{"slug":"elementalsouls-hunt-aspnet","name":"hunt-aspnet","description":"Hunt ASP.NET-specific surface — ViewState deserialization (signed-only vs encrypted), machineKey recovery, dual-parser MAC-bypass anti-pattern, request-validator bypass, trace.axd/elmah.axd disclosure, load-balanced ViewState cross-node failures, SafeControl enumeration via reflection, customErrors mode=Off stack-trace leaks, classic Webforms .aspx/.asmx/.svc surface. Built for ASP.NET Webforms + WCF + SharePoint farms.","long_description":"---\nname: hunt-aspnet\ndescription: Hunt ASP.NET-specific surface — ViewState deserialization (signed-only vs encrypted), machineKey recovery, dual-parser MAC-bypass anti-pattern, request-validator bypass, trace.axd/elmah.axd disclosure, load-balanced ViewState cross-node failures, SafeControl enumeration via reflection, customErrors mode=Off stack-trace leaks, classic Webforms .aspx/.asmx/.svc surface. Built for ASP.NET Webforms + WCF + SharePoint farms.\nsources: github, authorized-engagement\nreport_count: 1\n---\n\n## Crown Jewel Targets\n\nASP.NET deserialization bugs pay among the highest amounts in bug bounty when they reach RCE. Even when patched, the disclosure-tier findings (signed-only ViewState, dual-parser differential, request-validator quirks) reliably pay Low-Medium.\n\n**Highest-value targets:**\n\n- **SharePoint farms** (any version — 2013/2016/2019/SE) — sign-only ViewState + permissive ToolPane.aspx + anonymous FormDigest creates the CVE-2025-53770 ToolShell precondition chain\n- **Telerik UI for ASP.NET AJAX** — `Telerik.Web.UI.WebResource.axd` is a documented RCE sink when keys leak (CVE-2017-11317, CVE-2017-11357, CVE-2019-18935)\n- **Classic ASP.NET Webforms enterprise apps** — banking portals, dealer portals, HR systems left on .NET Framework 4.x\n- **WCF services** (`*.svc?WSDL`) — often forgotten admin endpoints with looser auth than the main app\n- **Sitecore CMS** — ViewState + Sitecore-specific deserialization chains (CVE-2021-42237)\n- **DotNetNuke (DNN)** — historic ViewState RCE chains\n- **Umbraco CMS** — ViewState + custom deserialization sinks\n\n**Asset types that pay most:** internet-reachable ASP.NET Webforms apps > WCF admin services > Telerik-integrated sites > Classic ASP.NET MVC with VSF (very rare)\n\n---\n\n## Attack Surface Signals\n\n**Response headers indicating ASP.NET:**\n```\nX-AspNet-Version: 4.0.30319          (classic — disclosure on its own)\nX-Powered-By: ASP.NET\nX-AspNetMvc-Version: 5.2\nServer: Microsoft-IIS/10.0\nSet-Cookie: ASP.NET_SessionId=...\nSet-Cookie: .ASPXAUTH=...            (Forms auth cookie)\nSet-Cookie: .ASPXFORMSAUTH=...\nSet-Cookie: ASP.NET_SessionId=...; SameSite=None  (suggests cross-origin embedding)\n```\n\n**Body signals (in form HTML):**\n```\n<input type=\"hidden\" name=\"__VIEWSTATE\" id=\"__VIEWSTATE\" value=\"...\" />\n<input type=\"hidden\" name=\"__VIEWSTATEGENERATOR\" id=\"__VIEWSTATEGENERATOR\" value=\"...\" />\n<input type=\"hidden\" name=\"__VIEWSTATEENCRYPTED\" id=\"__VIEWSTATEENCRYPTED\" value=\"\" />\n                                        ↑ EMPTY = signed-only, not encrypted = exploitable if key leaks\n<input type=\"hidden\" name=\"__EVENTVALIDATION\" id=\"__EVENTVALIDATION\" value=\"...\" />\n<input type=\"hidden\" name=\"__REQUESTDIGEST\" id=\"__REQUESTDIGEST\" value=\"0x...,...\">\n                                        ↑ SharePoint CSRF token; if anon-issued, see hunt-sharepoint\n```\n\n**URL patterns to probe:**\n```\n/trace.axd                            (per-app trace viewer; sometimes anon-accessible)\n/elmah.axd                            (ELMAH error log viewer)\n/elmah.axd/?id=...                    (ELMAH RCE / stack-trace leak)\n/*.svc                                (WCF services)\n/*.svc?wsdl                           (WCF WSDL)\n/*.svc/mex                            (Metadata Exchange)\n/*.asmx                               (legacy SOAP)\n/*.asmx?WSDL                          (legacy SOAP description)\n/*.asmx?disco                         (legacy discovery)\n/Telerik.Web.UI.WebResource.axd       (Telerik AJAX components)\n/ChartImg.axd                         (DataVisualization controls; historic deserialization)\n/ScriptResource.axd                   (script resource handler; sometimes leaks paths)\n/WebResource.axd                      (web resource handler)\n/_vti_bin/*                           (SharePoint Web Service Forwarder)\n/api/                                 (Web API 2.x is ASP.NET on classic framework)\n/signin                               (often FedAuth / WS-Federation)\n```\n\n**Tech-stack signals:**\n- `Server: Microsoft-IIS/10.0` (or `/8.5`, `/7.5`) — confirmed Windows + IIS\n- `X-AspNet-Version` header — classic .NET Framework (4.x); .NET Core/5+ does NOT emit this\n- Cookies with `ASP.NET_SessionId`, `.ASPXAUTH`, `FedAuth` — Forms or claims auth\n- `__VIEWSTATE` in form bodies — Webforms (NOT MVC, NOT Razor Pages, NOT Blazor)\n- `MicrosoftSharePointTeamServices` header (sometimes stripped by ELB but leaks in `start.aspx` body) — SharePoint\n\n---\n\n## Step-by-Step Hunting Methodology\n\n1. **Fingerprint the framework version.** Trigger any 500 error (stale ViewState POST is a reliable way) and look for `Version Information: Microsoft .NET Framework Version:X.X.XXXXX; ASP.NET Version:X.X.XXXX.X` in the error body. This banner discloses both the runtime and ASP.NET-version-specific patch level. .NET 4.0.30319 + ASP.NET 4.8.x is the most common modern combination.\n\n2. **Locate every form with `__VIEWSTATE`.** Spider the target and grep for `name=\"__VIEWSTATE\"`. Each is a candidate sink for deserialization attacks if MAC / encryption is bypassable.\n\n3. **Check `__VIEWSTATEENCRYPTED` value.** Empty (`value=\"\"`) means ViewState is signed-only via `<machineKey>` but NOT encrypted. Recovery of the validation key → arbitrary deserialization. Non-empty (`value=\"something\"`) means ViewState is BOTH signed and encrypted; both keys needed to forge.\n\n4. **Test the ViewState parser-error differential** (the dual-parser anti-pattern). Send 7+ ViewState shapes and classify responses:\n   - Trivial garbage (`AAAA`) → `\"Validation of viewstate MAC failed\"`\n   - Real prefix from current page → `\"Validation of viewstate MAC failed\"`\n   - Flipped-bit real ViewState → `\"Validation of viewstate MAC failed\"`\n   - Oversize (`A * 100000`) → `\"Validation of viewstate MAC failed\"`\n   - XML-shaped (`<xss/>`) → **\"The state information is invalid for this page and might be corrupted\"** ← different parser path\n   - LosFormatter-style prefix (`/wEPDwUKMTcxNzgyOTQwMmRkkz9p4lzA...`) → **\"The state information is invalid for this page and might be corrupted\"**\n\n   The differential proves there are **two distinct deserialization entry points**, one of which dispatches BEFORE the MAC check on some payload shapes. Historically this enables MAC-before-parse-bypass exploits.\n\n5. **Look for load-balanced cross-node ViewState MAC failures.** If POST gets a 500 with `\"Validation of viewstate MAC failed. If this application is hosted by a Web Farm or cluster, ensure that <machineKey> configuration specifies the same validationKey...\"`, the farm has multiple WFEs WITHOUT machineKey sync, or without sticky-session affinity. Operationally this breaks legit users; security-wise it confirms farm topology.\n\n6. **Probe `trace.axd` and `elmah.axd`.** If either returns 200 anonymously, it's a Critical finding (trace leaks every request + headers + form data; ELMAH leaks every server error including stack traces).\n\n7. **Enumerate WCF services (`.svc`).** For each, fetch `?wsdl` and `?mex` (metadata exchange). MEX endpoints sometimes return full service contracts including admin operations.\n\n8. **Test request-validator bypass.** ASP.NET's request validator blocks `<` in query strings by default. Bypass categories that may still get through:\n   - HTML-entity-encoded payloads (`&lt;script&gt;` — but these don't execute)\n   - Encoded inside JSON / XML POST bodies (different content-type ≠ same validator)\n   - In path segments (not query) — validator scope depends on framework version\n   - In Cookie / Referer headers (varies)\n   - Inside `<%@ ... %>` ASP directives if reached via WebDAV PUT (rare)\n\n9. **Check `customErrors` mode.** If 500s expose full stack traces, framework versions, file paths, internal method names → `customErrors mode=\"Off\"` is set. Should be `RemoteOnly` for production.\n\n10. **Look for Telerik components.** `Telerik.Web.UI.WebResource.axd?type=rau` is the historic upload-to-RCE chain (CVE-2017-11317). The `dialogParametersHolder` parameter chain (CVE-2019-18935) requires the encryption key but is otherwise RCE.\n\n11. **SharePoint-specific deserialization paths** — see `hunt-sharepoint` skill for the ToolPane.aspx + anonymous FormDigest + unencrypted ViewState chain.\n\n12. **SafeControl enumeration via reflection.** SharePoint's `Picker.aspx?PickerDialogType=<TypeName>` (and DNN-equivalent endpoints) accept class names and return DIFFERENT error messages for \"type exists but not whitelisted\" vs \"type does not exist.\" Feed a wordlist of `Microsoft.SharePoint.*.WebControls.*` types to enumerate the SafeControl list — useful for CVE-2019-0604-family hunting.\n\n---\n\n## Payload & Detection Patterns\n\n**Stack-trace fingerprint (trigger via stale ViewState POST):**\n```bash\ncurl -sk -X POST \"https://target.example/page.aspx\" \\\n  --data \"__VIEWSTATE=AAAA&__VIEWSTATEGENERATOR=AAAA\"\n# Inspect body for:\n#  - \"Validation of viewstate MAC failed\" → confirms signed ViewState\n#  - \"The state information is invalid for this page\" → confirms ALTERNATE parser path\n#  - \"Version Information: Microsoft .NET Framework Version:X.X.XXXXX\" → exact patch level\n#  - \"Microsoft.SharePoint.Client.ServerStub...\" → SharePoint farm\n```\n\n**ViewState parser-error differential probe (Python):**\n```python\nimport requests, re, json\nS = requests.Session(); S.verify = False\n# Get fresh form\nr = S.get(\"https://target.example/path/page.aspx\")\nreal_vs = re.search(r'__VIEWSTATE\" id=\"__VIEWSTATE\" value=\"([^\"]+)', r.text).group(1)\nreal_vsg = re.search(r'__VIEWSTATEGENERATOR\" id=\"__VIEWSTATEGENERATOR\" value=\"([^\"]+)', r.text).group(1)\n\n# Test 7 payload shapes\nfor label, vs in [\n    (\"trivial\",      \"AAAA\"),\n    (\"real\",         real_vs),\n    (\"flipped-bit\",  real_vs[:50] + \"X\" + real_vs[51:]),\n    (\"oversize\",     \"A\" * 100000),\n    (\"base64\",       \"VGVzdE1hcmtlcjY3OFhZWg==\"),\n    (\"xml-shaped\",   \"<xss/>\"),\n    (\"losformatter\", \"/wEPDwUKMTcxNzgyOTQwMmRkkz9p4lzA\" + \"A\"*50),\n]:\n    r = S.post(\"https://target.example/path/page.aspx\",\n               data={\"__VIEWSTATE\": vs, \"__VIEWSTATEGENERATOR\": real_vsg})\n    title = re.search(r'<title>([^<]+)</title>', r.text)\n    title = title.group(1)[:100] if title else \"—\"\n    print(f\"  [{label:14s}] {r.status_code}  {title}\")\n```\n\n**`trace.axd` anonymous check:**\n```bash\ncurl -sk -o /dev/null -w \"%{http_code}\\n\" \"https://target.example/trace.axd\"\n# 200 = full trace dump exposed → Critical\n# 403 = mod set to localhost-only → check via X-Forwarded-For: 127.0.0.1\n```\n\n**WCF service enumeration:**\n```bash\n# Find all .svc files\ncurl -sk \"https://target.example/\" -o body.html\ngrep -oE '/[a-zA-Z0-9/_-]+\\.svc' body.html | sort -u\n# For each found:\ncurl -sk \"https://target.example/Service.svc?wsdl\" | xmllint --format - | head -60\n```\n\n**Request-validator bypass categories:**\n```\n# Default: <script>alert(1)</script> in ?q= → \"Potentially dangerous Request.QueryString value detected\"\n# Bypasses that sometimes work:\n?q=%3cscript%3e            (URL-encoded — depends on validator config)\n?q=<svg/onload=alert(1)>  (depends on validator version)\n?q=<%00script>             (NUL-byte; older validators)\n?q=javascript:alert(1)     (no < at all — passes validator)\nCookie: foo=<script>       (cookie body not validated by default)\nReferer: http://x.com/<script>  (referer not validated in classic ASP.NET)\n```\n\n**Telerik exploit gate (CVE-2019-18935 — requires encryption keys):**\n```bash\n# Fingerprint Telerik\ncurl -sk \"https://target.example/Telerik.Web.UI.WebResource.axd?type=rau\" -X POST\n# If response is RadAsyncUploadHandler-style → Telerik present; try keys\n# Public exploits require leaked machineKey AND telerikEncryptionKey\n```\n\n---\n\n## Common Root Causes\n\n1. **`viewStateEncryption=\"Auto\"` defaults to signed-only on pages without sensitive ViewState data.** Many SharePoint pages are configured this way. When `__VIEWSTATEENCRYPTED` is empty, ViewState is signed-only — recovery of `validationKey` alone enables forgery.\n\n2. **`<machineKey>` AutoGenerate in a Web Farm.** Each WFE generates a different key on first boot; ViewSt","tagline":"Hunt ASP.NET-specific surface — ViewState deserialization (signed-only vs encrypted), machineKey recovery, dual-parser MAC-bypass anti-pattern, request-validator bypass, trace.axd/elmah.axd disclosure, load-balanced ViewState cross-node failures, SafeControl enumeration via refle","category":"research","tags":["agent-skill"],"author":"elementalsouls","verified":false,"attribution":{"status":"registry_indexed","statusLabel":"Registry indexed","shortLabel":"REGISTRY INDEXED","sourceLabel":"github candidate review","sourceDetail":"elementalsouls/Claude-BugHunter","creatorName":"elementalsouls","creatorUrl":"https://github.com/elementalsouls","sourceUrl":"https://github.com/elementalsouls/Claude-BugHunter/tree/main/skills/hunt-aspnet","indexedBy":"OpenAgentSkill community index","claimUrl":"https://www.openagentskill.com/skills/elementalsouls-hunt-aspnet#claim-this-skill","claimCta":"Claim this skill","trustNote":"This listing was indexed from public sources and is not marked official until a maintainer claim is approved.","publicNote":"Attribution links to the public repository or creator profile. Creators can claim the listing to update ownership signals."},"stats":{"stars":4098,"forks":637,"verified_installs":0,"successful_runs":0,"total_outcomes":0,"rating":0,"review_count":0,"quality_score":48.69},"quality":{"score":83,"tier":"strong","label":"Strong","summary":"Solid option that is likely worth shortlisting for production workflows.","signals":[{"label":"GitHub stars","value":"4.1K","tone":"positive"},{"label":"Freshness","value":"3d ago","tone":"positive"},{"label":"Install ready","value":"Yes","tone":"positive"},{"label":"License","value":"MIT","tone":"neutral"}],"warnings":[]},"trust":{"version":"trust-score-v5","score":69,"base_score":77,"outcome_confidence":0,"tier":"review","label":"Sandbox only","summary":"Useful candidate with missing or mixed trust signals. Keep it in an isolated workspace until the outcome loop proves task fit.","recommendedAction":"Run only in a sandbox and compare close alternatives before using it for real work.","decision":{"install_policy":"human_review_before_install","auto_install_allowed":false,"human_review_required":true,"sandbox_first":true,"agent_action":"Compare alternatives before installing.","reasoning":["69/100 Trust Score v5","77/100 Trust Score v4 baseline","Needs more real agent outcomes before unattended install","Install path is available","Review before production"],"review_required_when":["The workspace contains production secrets, payments, private customer data, or irreversible actions.","The install command requests shell, network, credential, database, or broad filesystem access.","Outcome evidence is missing, recently failed, or required human review.","Production credentials, payments, or irreversible account changes without explicit human review","Sensitive private data before reviewing repository code, license, and permission surface","Automatic installation in a production workspace"]},"dimensions":[{"id":"github_adoption","label":"GitHub adoption","score":86,"weight":0.13,"status":"pass","detail":"4.1K GitHub stars"},{"id":"repo_activity","label":"Stars/forks activity","score":83,"weight":0.08,"status":"pass","detail":"4.1K stars, 637 forks; 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require human review before any live investment decision.","Quality score needs review","Permission surface needs review: secrets or environment access, shell or command execution","Dependency/runtime risk: command execution surface, credential or environment access","Permission surface: secrets or environment access, shell or command execution","No real agent outcome reports yet","Human review required before unattended installation"],"evidence":{"stars":"4.1K GitHub stars","repoActivity":"4.1K stars, 637 forks","lastPushed":"3d since push","license":"MIT","repository":"https://github.com/elementalsouls/Claude-BugHunter/tree/main/skills/hunt-aspnet","install":"npx skills add elementalsouls/Claude-BugHunter --skill hunt-aspnet","installSafety":"standard package or runtime install path","permissionSurface":"secrets or environment access, shell or command execution","documentation":"Strong README/SKILL.md context","agentOutcomes":"No agent outcome data yet","agentProvenScore":0,"outcomeConfidence":"0%","installPolicy":"human_review_before_install"},"installReadiness":{"ready":true,"command":"npx skills add elementalsouls/Claude-BugHunter --skill hunt-aspnet","policy":"human_review_before_install","label":"Human review before install","notes":["Install path is available","Repository evidence is available","License is declared","No Agent Proven outcome evidence yet","3d since push","Financial domain: human review is required before use in a live investment workflow.","Trust Score v5 requires review or sandbox-only use before install."]},"agentCompatibility":["Codex","Claude Code","Cursor","OpenAgentSkill CLI"],"riskSummary":{"level":"medium","label":"Review before production","notes":["Financial research output is not financial advice; require human review before any live investment decision.","Quality score needs review","Permission surface needs review: secrets or environment access, shell or command execution","Dependency/runtime risk: command execution surface, credential or environment access","Permission surface: secrets or environment access, shell or command execution"]},"outcomeEvidence":{"total":0,"successes":0,"failures":0,"notRelevant":0,"successRate":null,"installAttempts":0,"riskBlocked":0,"setupRequired":0,"installSuccessRate":null,"avgOutputQuality":null,"avgTimeToUsefulMs":null,"productionOutcomes":0,"humanReviewRequired":0,"recentSuccessRate":null,"recentFailureRate":null,"uniqueAgents":0,"agentProvenScore":0,"agentProvenLabel":"Needs first agent run","lastOutcomeAt":null,"label":"No agent outcome data yet"},"autoInstall":{"allowed":false,"sandboxRequired":true,"policy":"human_review_before_install","reason":"Compare alternatives before installing."},"outcome_loop":{"version":"openagentskill-agent-outcome-v4","required_after_install":true,"endpoint":"/api/agent/outcome","method":"POST","event_id_source":"feedback.event_id, install_receipt.resolve_event_id, or decision_packet.outcome_feedback.event_id","expected_outcomes":["success","failed","not_relevant","blocked_by_risk","setup_required"],"required_fields":["event_id","skill_slug","task"],"quality_fields":["task_success","output_quality","error_type","human_review_required","used_in_production","workspace","evidence_url","time_to_useful_ms","source_version"],"ranking_inputs_updated":["Trust Score v5 outcome confidence","Agent Proven Score","Resolve ranking task-fit evidence","Skill detail machine-readable metadata","Outcome leaderboard"]},"agent_contract":{"suited_tasks":["research","agent-skill"],"suited_agents":["Codex","Claude Code","Cursor","OpenAgentSkill CLI"],"install_command":"npx skills add elementalsouls/Claude-BugHunter --skill hunt-aspnet","trust_score":69,"trust_version":"trust-score-v5","risk_level":"medium","do_not_use_when":["Production credentials, payments, or irreversible account changes without explicit human review","Sensitive private data before reviewing repository code, license, and permission surface","Automatic installation in a production workspace","Autonomous investment, trading, tax, or suitability decisions without a qualified human review"],"before_install":["Read the audit page and machine-readable metadata.","Confirm the install command, license, and permission surface fit the workspace.","Get explicit human approval or choose an alternative before installing."],"after_run":["Report the outcome to /api/agent/outcome using the resolve event id.","Include output_quality, workspace, human_review_required, and evidence_url when available.","Re-resolve before broad production rollout."]},"bestFor":["research","agent-skill"],"doNotUseFor":["Production credentials, payments, or irreversible account changes without explicit human review","Sensitive private data before reviewing repository code, license, and permission surface","Automatic installation in a production workspace","Autonomous investment, trading, tax, or suitability decisions without a qualified human review"],"knownRisks":["Financial research output is not financial advice; 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issue activity unavailable in current metadata"},{"status":"pass","label":"Recent maintenance","detail":"3d since push"},{"status":"pass","label":"License clarity","detail":"MIT"},{"status":"pass","label":"README/SKILL.md completeness","detail":"Metadata includes enough usage and workflow context"},{"status":"warn","label":"Dependency/runtime risk","detail":"command execution surface, credential or environment access"},{"status":"pass","label":"Install availability","detail":"npx skills add elementalsouls/Claude-BugHunter --skill hunt-aspnet"},{"status":"pass","label":"Install command safety","detail":"standard package or runtime install path"},{"status":"fail","label":"Permission surface","detail":"secrets or environment access, shell or command execution"},{"status":"pass","label":"Repository evidence","detail":"https://github.com/elementalsouls/Claude-BugHunter/tree/main/skills/hunt-aspnet"},{"status":"pass","label":"Review status","detail":"AI review data available"},{"status":"info","label":"Agent Proven outcomes","detail":"No agent outcome data yet"},{"status":"warn","label":"Ownership","detail":"No approved owner claim yet"},{"status":"info","label":"OpenAgentSkill usage","detail":"No local usage activity yet"},{"status":"info","label":"Agent outcomes","detail":"No agent outcome data yet"}],"strengths":["AI review approved","Install path is available","Repository evidence is available","Recently maintained repository","Meaningful GitHub adoption signal","Install command has no obvious high-risk pattern","Outcome loop is ready but needs first real agent run"],"warnings":["Financial research output is not financial advice; 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Built for ASP.NET Webforms + WCF + SharePoint farms.","category":"research","url":"https://www.openagentskill.com/skills/elementalsouls-hunt-aspnet","repository":"https://github.com/elementalsouls/Claude-BugHunter/tree/main/skills/hunt-aspnet","github_repo":"elementalsouls/Claude-BugHunter"},"suited_tasks":["Research agents workflows","Claude Code teams","teams that value GitHub adoption signals","Search sources","Extract claims","Synthesize findings","Read uploaded files","Extract structured fields"],"suited_agents":["Codex","Claude Code","Cursor","OpenAgentSkill CLI","CLI"],"install":{"command":"npx skills add elementalsouls/Claude-BugHunter --skill hunt-aspnet","ready":true,"targets":[{"id":"openagentskill-cli","label":"CLI","kind":"command","value":"npx --yes https://github.com/Leon-Drq/openagentskill/releases/download/cli-v0.3.0/openagentskill-0.3.0.tgz add elementalsouls-hunt-aspnet"},{"id":"codex","label":"Codex","kind":"agent-prompt","value":"Install the \"hunt-aspnet\" agent skill from https://github.com/elementalsouls/Claude-BugHunter/tree/main/skills/hunt-aspnet. Read its SKILL.md or equivalent instructions first, install only the files needed for this workspace, and summarize any required setup before using it. Skill purpose: Hunt ASP.NET-specific surface — ViewState deserialization (signed-only vs encrypted), machineKey recovery, dual-parser MAC-bypass anti-pattern, request-validator bypass, trace.axd/elmah.axd disclosure, load-balanced ViewState cross-node failures, SafeControl enumeration via reflection, customErrors mode=Off stack-trace leaks, classic Webforms .aspx/.asmx/.svc surface. Built for ASP.NET Webforms + WCF + SharePoint farms. After the install attempt, report the result to https://www.openagentskill.com/api/agent/outcome with POST JSON {\"event_id\":\"install_<unique-id>\",\"skill_slug\":\"elementalsouls-hunt-aspnet\",\"task\":\"Install hunt-aspnet\",\"agent\":\"codex\",\"outcome\":\"success\",\"install_used\":true}. Replace event_id with a unique value and outcome with success or failed. Report success only after the skill is installed and a minimal verification passes."},{"id":"claude-code","label":"Claude Code","kind":"agent-prompt","value":"Add \"hunt-aspnet\" as a Claude Code skill from https://github.com/elementalsouls/Claude-BugHunter/tree/main/skills/hunt-aspnet. Inspect the skill instructions, place the reusable skill files in the appropriate local skills location for this project, and report the activation steps. Skill purpose: Hunt ASP.NET-specific surface — ViewState deserialization (signed-only vs encrypted), machineKey recovery, dual-parser MAC-bypass anti-pattern, request-validator bypass, trace.axd/elmah.axd disclosure, load-balanced ViewState cross-node failures, SafeControl enumeration via reflection, customErrors mode=Off stack-trace leaks, classic Webforms .aspx/.asmx/.svc surface. Built for ASP.NET Webforms + WCF + SharePoint farms. After the install attempt, report the result to https://www.openagentskill.com/api/agent/outcome with POST JSON {\"event_id\":\"install_<unique-id>\",\"skill_slug\":\"elementalsouls-hunt-aspnet\",\"task\":\"Install hunt-aspnet\",\"agent\":\"claude-code\",\"outcome\":\"success\",\"install_used\":true}. Replace event_id with a unique value and outcome with success or failed. Report success only after the skill is installed and a minimal verification passes."},{"id":"cursor","label":"Cursor","kind":"agent-prompt","value":"Turn \"hunt-aspnet\" from https://github.com/elementalsouls/Claude-BugHunter/tree/main/skills/hunt-aspnet into a reusable Cursor project rule or agent instruction. Preserve the core workflow, adapt paths to this repo, and keep the rule scoped to tasks where it is relevant. Skill purpose: Hunt ASP.NET-specific surface — ViewState deserialization (signed-only vs encrypted), machineKey recovery, dual-parser MAC-bypass anti-pattern, request-validator bypass, trace.axd/elmah.axd disclosure, load-balanced ViewState cross-node failures, SafeControl enumeration via reflection, customErrors mode=Off stack-trace leaks, classic Webforms .aspx/.asmx/.svc surface. Built for ASP.NET Webforms + WCF + SharePoint farms. After the install attempt, report the result to https://www.openagentskill.com/api/agent/outcome with POST JSON {\"event_id\":\"install_<unique-id>\",\"skill_slug\":\"elementalsouls-hunt-aspnet\",\"task\":\"Install hunt-aspnet\",\"agent\":\"cursor\",\"outcome\":\"success\",\"install_used\":true}. Replace event_id with a unique value and outcome with success or failed. Report success only after the skill is installed and a minimal verification passes."}],"handoff_url":"https://www.openagentskill.com/api/skills/elementalsouls-hunt-aspnet/install","manifest_url":"https://www.openagentskill.com/api/registry/manifest/elementalsouls-hunt-aspnet"},"trust":{"score":77,"label":"Strong shortlist","version":"trust-score-v4","install_policy":"human_review_before_install","evidence":{"stars":"4.1K GitHub stars","repoActivity":"4.1K stars, 637 forks","lastPushed":"3d since push","license":"MIT","repository":"https://github.com/elementalsouls/Claude-BugHunter/tree/main/skills/hunt-aspnet","install":"npx skills add elementalsouls/Claude-BugHunter --skill hunt-aspnet","installSafety":"standard package or runtime install path","permissionSurface":"secrets or environment access, shell or command execution","documentation":"Strong README/SKILL.md context","agentOutcomes":"No agent outcome data yet"},"outcome_evidence":{"total":0,"successes":0,"failures":0,"not_relevant":0,"success_rate":null,"recent_success_rate":null,"recent_failure_rate":null,"install_attempts":0,"install_success_rate":null,"risk_blocked":0,"setup_required":0,"avg_output_quality":null,"production_outcomes":0,"last_outcome_at":null,"label":"No agent outcome data yet"},"auto_install":{"allowed":false,"sandbox_required":true,"reason":"Human review or sandbox validation is required before automatic installation."},"best_for":["research","agent-skill"],"known_risks":["Financial research output is not financial advice; require human review before any live investment decision.","Quality score needs review","Permission surface needs review: secrets or environment access, shell or command execution","Dependency/runtime risk: command execution surface, credential or environment access","Permission surface: secrets or environment access, shell or command execution"]},"agent_proven":{"version":"agent-proven-v1","score":0,"tier":"unproven","label":"Needs first agent run","summary":"No agent outcome reports yet. Use Resolve, run one narrow sandbox task, then report the result.","metrics":{"totalOutcomes":0,"successfulOutcomes":0,"failedOutcomes":0,"installAttempts":0,"installSuccessRate":null,"successRate":null,"recentSuccessRate":null,"recentFailureRate":null,"riskBlocked":0,"setupRequired":0,"notRelevant":0,"avgOutputQuality":null,"avgTimeToUsefulMs":null,"productionOutcomes":0,"humanReviewRequired":0,"uniqueAgents":0,"lastOutcomeAt":null},"signals":[],"penalties":["No real agent outcome evidence yet"]},"audit":{"score":83,"risk_level":"needs_review","risk_label":"Needs review","warnings":["Dependency or permission surface needs review","Permission surface may require sandboxing","Financial research output is not financial advice; require human review before any live investment decision","Financial research output is not financial advice; require human review before any live investment decision.","Quality score needs review","Permission surface needs review: secrets or environment access, shell or command execution","Dependency/runtime risk: command execution surface, credential or environment access","Permission surface: secrets or environment access, shell or command execution"]},"safety_gate":{"tier":"experimental","label":"Experimental","auto_install_policy":"review","auto_install_allowed":false,"human_review_required":true,"blocked":false,"recommended_action":"Test manually in an isolated workspace and compare against safer alternatives."},"quality":{"score":83,"label":"Strong"},"supply":{"track":"Research and knowledge work","scenario":"Research agents","maintenance":"3d since push","risk":"Needs review"},"alternative_skills":[],"do_not_use_when":["teams that need a vendor-supported SLA","high-compliance environments without internal security review","No OpenAgentSkill engagement data yet","High-risk permission hints: Shell or command execution, Secrets or environment access","Dependency or permission surface needs review","Permission surface may require sandboxing","Financial research output is not financial advice; require human review before any live investment decision","Financial research output is not financial advice; require human review before any live investment decision."],"agent_contract":{"task_input":"Use hunt-aspnet in an agent workflow","recommended_action":"Test manually in an isolated workspace and compare against safer alternatives.","install_policy":"review","minimum_review_before_use":["Trust: 77/100 Strong shortlist","Audit: 83/100 Needs review","Safety: 35/100 Avoid automatic install","Review repository, license, install command, and permission surface before production use."],"expected_agent_output":{"selected_skill":"elementalsouls-hunt-aspnet (hunt-aspnet)","install_command":"npx skills add elementalsouls/Claude-BugHunter --skill hunt-aspnet","risk_summary":"Needs review; Experimental; Review before production","verification_result":"Report the smallest successful task, files touched, warnings, and any missing setup."}},"outcome_feedback":{"endpoint":"https://www.openagentskill.com/api/agent/outcome","method":"POST","requires_resolve_event_id":true,"event_id_source":"Use install_receipt.outcome_feedback.event_id or feedback.event_id returned by /api/agent/resolve for the current task.","expected_outcomes":["success","failed","not_relevant","blocked_by_risk","setup_required"],"payload_template":{"event_id":"<install_receipt.outcome_feedback.event_id or feedback.event_id from /api/agent/resolve>","skill_slug":"elementalsouls-hunt-aspnet","task":"Use hunt-aspnet in an agent workflow","agent":"codex","outcome":"success","install_used":true,"risk_blocked":false,"setup_required":false,"task_success":true,"output_quality":4,"error_type":null,"human_review_required":false,"workspace":"sandbox","time_to_useful_ms":120000,"notes":"Report the smallest successful task, setup friction, files touched, and risk notes."}},"endpoints":{"web":"https://www.openagentskill.com/skills/elementalsouls-hunt-aspnet","api":"https://www.openagentskill.com/api/agent/skills/elementalsouls-hunt-aspnet","audit":"https://www.openagentskill.com/skills/elementalsouls-hunt-aspnet/audit","eval":"https://www.openagentskill.com/api/agent/evals?slug=elementalsouls-hunt-aspnet&task=Use%20hunt-aspnet%20in%20an%20agent%20workflow&max_risk=medium","resolve":"https://www.openagentskill.com/api/agent/resolve?task=Use%20hunt-aspnet%20in%20an%20agent%20workflow&agent=codex&max_risk=medium","receipt":"https://www.openagentskill.com/api/agent/receipt?task=Use%20hunt-aspnet%20in%20an%20agent%20workflow&agent=codex&max_risk=medium&format=text","install":"https://www.openagentskill.com/api/skills/elementalsouls-hunt-aspnet/install","manifest":"https://www.openagentskill.com/api/registry/manifest/elementalsouls-hunt-aspnet"}},"machine_metadata":{"version":"openagentskill-agent-metadata-v2","skill":{"slug":"elementalsouls-hunt-aspnet","name":"hunt-aspnet","description":"Hunt ASP.NET-specific surface — ViewState deserialization (signed-only vs encrypted), machineKey recovery, dual-parser MAC-bypass anti-pattern, request-validator bypass, trace.axd/elmah.axd disclosure, load-balanced ViewState cross-node failures, SafeControl enumeration via reflection, customErrors mode=Off stack-trace leaks, classic Webforms .aspx/.asmx/.svc surface. Built for ASP.NET Webforms + WCF + SharePoint farms.","category":"research","url":"https://www.openagentskill.com/skills/elementalsouls-hunt-aspnet","repository":"https://github.com/elementalsouls/Claude-BugHunter/tree/main/skills/hunt-aspnet","github_repo":"elementalsouls/Claude-BugHunter"},"suited_tasks":["Research agents workflows","Claude Code teams","teams that value GitHub adoption signals","Search sources","Extract claims","Synthesize findings","Read uploaded files","Extract structured fields"],"suited_agents":["Codex","Claude Code","Cursor","OpenAgentSkill CLI","CLI"],"install":{"command":"npx skills add elementalsouls/Claude-BugHunter --skill hunt-aspnet","ready":true,"targets":[{"id":"openagentskill-cli","label":"CLI","kind":"command","value":"npx --yes https://github.com/Leon-Drq/openagentskill/releases/download/cli-v0.3.0/openagentskill-0.3.0.tgz add elementalsouls-hunt-aspnet"},{"id":"codex","label":"Codex","kind":"agent-prompt","value":"Install the \"hunt-aspnet\" agent skill from https://github.com/elementalsouls/Claude-BugHunter/tree/main/skills/hunt-aspnet. Read its SKILL.md or equivalent instructions first, install only the files needed for this workspace, and summarize any required setup before using it. Skill purpose: Hunt ASP.NET-specific surface — ViewState deserialization (signed-only vs encrypted), machineKey recovery, dual-parser MAC-bypass anti-pattern, request-validator bypass, trace.axd/elmah.axd disclosure, load-balanced ViewState cross-node failures, SafeControl enumeration via reflection, customErrors mode=Off stack-trace leaks, classic Webforms .aspx/.asmx/.svc surface. Built for ASP.NET Webforms + WCF + SharePoint farms. After the install attempt, report the result to https://www.openagentskill.com/api/agent/outcome with POST JSON {\"event_id\":\"install_<unique-id>\",\"skill_slug\":\"elementalsouls-hunt-aspnet\",\"task\":\"Install hunt-aspnet\",\"agent\":\"codex\",\"outcome\":\"success\",\"install_used\":true}. Replace event_id with a unique value and outcome with success or failed. Report success only after the skill is installed and a minimal verification passes."},{"id":"claude-code","label":"Claude Code","kind":"agent-prompt","value":"Add \"hunt-aspnet\" as a Claude Code skill from https://github.com/elementalsouls/Claude-BugHunter/tree/main/skills/hunt-aspnet. Inspect the skill instructions, place the reusable skill files in the appropriate local skills location for this project, and report the activation steps. Skill purpose: Hunt ASP.NET-specific surface — ViewState deserialization (signed-only vs encrypted), machineKey recovery, dual-parser MAC-bypass anti-pattern, request-validator bypass, trace.axd/elmah.axd disclosure, load-balanced ViewState cross-node failures, SafeControl enumeration via reflection, customErrors mode=Off stack-trace leaks, classic Webforms .aspx/.asmx/.svc surface. Built for ASP.NET Webforms + WCF + SharePoint farms. After the install attempt, report the result to https://www.openagentskill.com/api/agent/outcome with POST JSON {\"event_id\":\"install_<unique-id>\",\"skill_slug\":\"elementalsouls-hunt-aspnet\",\"task\":\"Install hunt-aspnet\",\"agent\":\"claude-code\",\"outcome\":\"success\",\"install_used\":true}. Replace event_id with a unique value and outcome with success or failed. Report success only after the skill is installed and a minimal verification passes."},{"id":"cursor","label":"Cursor","kind":"agent-prompt","value":"Turn \"hunt-aspnet\" from https://github.com/elementalsouls/Claude-BugHunter/tree/main/skills/hunt-aspnet into a reusable Cursor project rule or agent instruction. Preserve the core workflow, adapt paths to this repo, and keep the rule scoped to tasks where it is relevant. Skill purpose: Hunt ASP.NET-specific surface — ViewState deserialization (signed-only vs encrypted), machineKey recovery, dual-parser MAC-bypass anti-pattern, request-validator bypass, trace.axd/elmah.axd disclosure, load-balanced ViewState cross-node failures, SafeControl enumeration via reflection, customErrors mode=Off stack-trace leaks, classic Webforms .aspx/.asmx/.svc surface. Built for ASP.NET Webforms + WCF + SharePoint farms. After the install attempt, report the result to https://www.openagentskill.com/api/agent/outcome with POST JSON {\"event_id\":\"install_<unique-id>\",\"skill_slug\":\"elementalsouls-hunt-aspnet\",\"task\":\"Install hunt-aspnet\",\"agent\":\"cursor\",\"outcome\":\"success\",\"install_used\":true}. Replace event_id with a unique value and outcome with success or failed. Report success only after the skill is installed and a minimal verification passes."}],"handoff_url":"https://www.openagentskill.com/api/skills/elementalsouls-hunt-aspnet/install","manifest_url":"https://www.openagentskill.com/api/registry/manifest/elementalsouls-hunt-aspnet"},"trust":{"score":77,"label":"Strong shortlist","version":"trust-score-v4","install_policy":"human_review_before_install","evidence":{"stars":"4.1K GitHub stars","repoActivity":"4.1K stars, 637 forks","lastPushed":"3d since push","license":"MIT","repository":"https://github.com/elementalsouls/Claude-BugHunter/tree/main/skills/hunt-aspnet","install":"npx skills add elementalsouls/Claude-BugHunter --skill hunt-aspnet","installSafety":"standard package or runtime install path","permissionSurface":"secrets or environment access, shell or command execution","documentation":"Strong README/SKILL.md context","agentOutcomes":"No agent outcome data yet"},"outcome_evidence":{"total":0,"successes":0,"failures":0,"not_relevant":0,"success_rate":null,"recent_success_rate":null,"recent_failure_rate":null,"install_attempts":0,"install_success_rate":null,"risk_blocked":0,"setup_required":0,"avg_output_quality":null,"production_outcomes":0,"last_outcome_at":null,"label":"No agent outcome data yet"},"auto_install":{"allowed":false,"sandbox_required":true,"reason":"Human review or sandbox validation is required before automatic installation."},"best_for":["research","agent-skill"],"known_risks":["Financial research output is not financial advice; require human review before any live investment decision.","Quality score needs review","Permission surface needs review: secrets or environment access, shell or command execution","Dependency/runtime risk: command execution surface, credential or environment access","Permission surface: secrets or environment access, shell or command execution"]},"agent_proven":{"version":"agent-proven-v1","score":0,"tier":"unproven","label":"Needs first agent run","summary":"No agent outcome reports yet. Use Resolve, run one narrow sandbox task, then report the result.","metrics":{"totalOutcomes":0,"successfulOutcomes":0,"failedOutcomes":0,"installAttempts":0,"installSuccessRate":null,"successRate":null,"recentSuccessRate":null,"recentFailureRate":null,"riskBlocked":0,"setupRequired":0,"notRelevant":0,"avgOutputQuality":null,"avgTimeToUsefulMs":null,"productionOutcomes":0,"humanReviewRequired":0,"uniqueAgents":0,"lastOutcomeAt":null},"signals":[],"penalties":["No real agent outcome evidence yet"]},"audit":{"score":83,"risk_level":"needs_review","risk_label":"Needs review","warnings":["Dependency or permission surface needs review","Permission surface may require sandboxing","Financial research output is not financial advice; require human review before any live investment decision","Financial research output is not financial advice; require human review before any live investment decision.","Quality score needs review","Permission surface needs review: secrets or environment access, shell or command execution","Dependency/runtime risk: command execution surface, credential or environment access","Permission surface: secrets or environment access, shell or command execution"]},"safety_gate":{"tier":"experimental","label":"Experimental","auto_install_policy":"review","auto_install_allowed":false,"human_review_required":true,"blocked":false,"recommended_action":"Test manually in an isolated workspace and compare against safer alternatives."},"quality":{"score":83,"label":"Strong"},"supply":{"track":"Research and knowledge work","scenario":"Research agents","maintenance":"3d since push","risk":"Needs review"},"alternative_skills":[],"do_not_use_when":["teams that need a vendor-supported SLA","high-compliance environments without internal security review","No OpenAgentSkill engagement data yet","High-risk permission hints: Shell or command execution, Secrets or environment access","Dependency or permission surface needs review","Permission surface may require sandboxing","Financial research output is not financial advice; require human review before any live investment decision","Financial research output is not financial advice; require human review before any live investment decision."],"agent_contract":{"task_input":"Use hunt-aspnet in an agent workflow","recommended_action":"Test manually in an isolated workspace and compare against safer alternatives.","install_policy":"review","minimum_review_before_use":["Trust: 77/100 Strong shortlist","Audit: 83/100 Needs review","Safety: 35/100 Avoid automatic install","Review repository, license, install command, and permission surface before production use."],"expected_agent_output":{"selected_skill":"elementalsouls-hunt-aspnet (hunt-aspnet)","install_command":"npx skills add elementalsouls/Claude-BugHunter --skill hunt-aspnet","risk_summary":"Needs review; Experimental; Review before production","verification_result":"Report the smallest successful task, files touched, warnings, and any missing setup."}},"outcome_feedback":{"endpoint":"https://www.openagentskill.com/api/agent/outcome","method":"POST","requires_resolve_event_id":true,"event_id_source":"Use install_receipt.outcome_feedback.event_id or feedback.event_id returned by /api/agent/resolve for the current task.","expected_outcomes":["success","failed","not_relevant","blocked_by_risk","setup_required"],"payload_template":{"event_id":"<install_receipt.outcome_feedback.event_id or feedback.event_id from /api/agent/resolve>","skill_slug":"elementalsouls-hunt-aspnet","task":"Use hunt-aspnet in an agent workflow","agent":"codex","outcome":"success","install_used":true,"risk_blocked":false,"setup_required":false,"task_success":true,"output_quality":4,"error_type":null,"human_review_required":false,"workspace":"sandbox","time_to_useful_ms":120000,"notes":"Report the smallest successful task, setup friction, files touched, and risk notes."}},"endpoints":{"web":"https://www.openagentskill.com/skills/elementalsouls-hunt-aspnet","api":"https://www.openagentskill.com/api/agent/skills/elementalsouls-hunt-aspnet","audit":"https://www.openagentskill.com/skills/elementalsouls-hunt-aspnet/audit","eval":"https://www.openagentskill.com/api/agent/evals?slug=elementalsouls-hunt-aspnet&task=Use%20hunt-aspnet%20in%20an%20agent%20workflow&max_risk=medium","resolve":"https://www.openagentskill.com/api/agent/resolve?task=Use%20hunt-aspnet%20in%20an%20agent%20workflow&agent=codex&max_risk=medium","receipt":"https://www.openagentskill.com/api/agent/receipt?task=Use%20hunt-aspnet%20in%20an%20agent%20workflow&agent=codex&max_risk=medium&format=text","install":"https://www.openagentskill.com/api/skills/elementalsouls-hunt-aspnet/install","manifest":"https://www.openagentskill.com/api/registry/manifest/elementalsouls-hunt-aspnet"}},"supply_profile":{"track":{"slug":"research","label":"Research and knowledge work","shortLabel":"Research","description":"Deep research, source comparison, literature review, RAG, knowledge search, and reports."},"scenario":{"label":"Research agents","description":"I need my agent to research a topic, compare sources, and produce a concise report.","useCases":[{"slug":"research-agents","title":"Research agents"},{"slug":"document-processing","title":"Document processing"},{"slug":"github-automation","title":"GitHub automation"}]},"applicableAgents":["Claude Code","CLI","Codex","Cursor"],"install":{"ready":true,"command":"npx skills add elementalsouls/Claude-BugHunter --skill hunt-aspnet","primaryTarget":"CLI","targetCount":4},"githubQuality":{"stars":4098,"starsLabel":"4.1K","forks":637,"license":"MIT","qualityScore":83,"trustScore":77,"auditScore":83},"maintenance":{"status":"fresh","label":"3d since push","daysSincePush":3,"lastPushedAt":"2026-09-02T08:49:05+00:00"},"risk":{"level":"needs_review","label":"Needs review","requiresReview":true,"notes":["Dependency or permission surface needs review","Permission surface may require sandboxing","Financial research output is not financial advice; require human review before any live investment decision","Financial research output is not financial advice; require human review before any live investment decision.","Quality score needs review"]},"coverageTags":["Research","Research agents","agent-skill"]},"audit":{"audit_score":83,"risk_level":"needs_review","risk_label":"Needs review","quality_score":83,"trust_score":77,"maintenance_score":100,"security_score":77,"install_score":92,"warnings":["Dependency or permission surface needs review","Permission surface may require sandboxing","Financial research output is not financial advice; require human review before any live investment decision","Financial research output is not financial advice; require human review before any live investment decision.","Quality score needs review","Permission surface needs review: secrets or environment access, shell or command execution","Dependency/runtime risk: command execution surface, credential or environment access","Permission surface: secrets or environment access, shell or command execution"]},"quality_signals":{"model":"v2","star_score":25.29,"usage_score":0,"review_score":5.4,"metadata_score":3,"freshness_score":15},"platforms":["Claude Code"],"use_cases":[{"slug":"research-agents","title":"Research agents","url":"https://www.openagentskill.com/use-cases/research-agents"},{"slug":"document-processing","title":"Document processing","url":"https://www.openagentskill.com/use-cases/document-processing"},{"slug":"github-automation","title":"GitHub automation","url":"https://www.openagentskill.com/use-cases/github-automation"},{"slug":"rag-knowledge","title":"RAG and knowledge","url":"https://www.openagentskill.com/use-cases/rag-knowledge"}],"stacks":[{"slug":"research-report-agent","title":"Research report agent","url":"https://www.openagentskill.com/collections/research-report-agent"},{"slug":"rag-knowledge-base","title":"RAG knowledge base","url":"https://www.openagentskill.com/collections/rag-knowledge-base"},{"slug":"browser-qa-agent","title":"Browser QA agent","url":"https://www.openagentskill.com/collections/browser-qa-agent"}],"install":"npx skills add elementalsouls/Claude-BugHunter --skill hunt-aspnet","install_targets":[{"id":"openagentskill-cli","label":"CLI","title":"OpenAgentSkill CLI","kind":"command","value":"npx --yes https://github.com/Leon-Drq/openagentskill/releases/download/cli-v0.3.0/openagentskill-0.3.0.tgz add elementalsouls-hunt-aspnet","description":"Resolve policy, run the source installer safely, and report a verified install receipt.","copyLabel":"Copy command"},{"id":"codex","label":"Codex","title":"Codex install prompt","kind":"agent-prompt","value":"Install the \"hunt-aspnet\" agent skill from https://github.com/elementalsouls/Claude-BugHunter/tree/main/skills/hunt-aspnet. Read its SKILL.md or equivalent instructions first, install only the files needed for this workspace, and summarize any required setup before using it. Skill purpose: Hunt ASP.NET-specific surface — ViewState deserialization (signed-only vs encrypted), machineKey recovery, dual-parser MAC-bypass anti-pattern, request-validator bypass, trace.axd/elmah.axd disclosure, load-balanced ViewState cross-node failures, SafeControl enumeration via reflection, customErrors mode=Off stack-trace leaks, classic Webforms .aspx/.asmx/.svc surface. Built for ASP.NET Webforms + WCF + SharePoint farms. After the install attempt, report the result to https://www.openagentskill.com/api/agent/outcome with POST JSON {\"event_id\":\"install_<unique-id>\",\"skill_slug\":\"elementalsouls-hunt-aspnet\",\"task\":\"Install hunt-aspnet\",\"agent\":\"codex\",\"outcome\":\"success\",\"install_used\":true}. Replace event_id with a unique value and outcome with success or failed. Report success only after the skill is installed and a minimal verification passes.","description":"Give Codex a repo-aware install prompt when the skill is not available through a local CLI.","copyLabel":"Copy prompt"},{"id":"claude-code","label":"Claude Code","title":"Claude Code skill prompt","kind":"agent-prompt","value":"Add \"hunt-aspnet\" as a Claude Code skill from https://github.com/elementalsouls/Claude-BugHunter/tree/main/skills/hunt-aspnet. Inspect the skill instructions, place the reusable skill files in the appropriate local skills location for this project, and report the activation steps. Skill purpose: Hunt ASP.NET-specific surface — ViewState deserialization (signed-only vs encrypted), machineKey recovery, dual-parser MAC-bypass anti-pattern, request-validator bypass, trace.axd/elmah.axd disclosure, load-balanced ViewState cross-node failures, SafeControl enumeration via reflection, customErrors mode=Off stack-trace leaks, classic Webforms .aspx/.asmx/.svc surface. Built for ASP.NET Webforms + WCF + SharePoint farms. After the install attempt, report the result to https://www.openagentskill.com/api/agent/outcome with POST JSON {\"event_id\":\"install_<unique-id>\",\"skill_slug\":\"elementalsouls-hunt-aspnet\",\"task\":\"Install hunt-aspnet\",\"agent\":\"claude-code\",\"outcome\":\"success\",\"install_used\":true}. Replace event_id with a unique value and outcome with success or failed. Report success only after the skill is installed and a minimal verification passes.","description":"Use this prompt to ask Claude Code to add the skill and explain the local activation steps.","copyLabel":"Copy prompt"},{"id":"cursor","label":"Cursor","title":"Cursor rule prompt","kind":"agent-prompt","value":"Turn \"hunt-aspnet\" from https://github.com/elementalsouls/Claude-BugHunter/tree/main/skills/hunt-aspnet into a reusable Cursor project rule or agent instruction. Preserve the core workflow, adapt paths to this repo, and keep the rule scoped to tasks where it is relevant. Skill purpose: Hunt ASP.NET-specific surface — ViewState deserialization (signed-only vs encrypted), machineKey recovery, dual-parser MAC-bypass anti-pattern, request-validator bypass, trace.axd/elmah.axd disclosure, load-balanced ViewState cross-node failures, SafeControl enumeration via reflection, customErrors mode=Off stack-trace leaks, classic Webforms .aspx/.asmx/.svc surface. Built for ASP.NET Webforms + WCF + SharePoint farms. After the install attempt, report the result to https://www.openagentskill.com/api/agent/outcome with POST JSON {\"event_id\":\"install_<unique-id>\",\"skill_slug\":\"elementalsouls-hunt-aspnet\",\"task\":\"Install hunt-aspnet\",\"agent\":\"cursor\",\"outcome\":\"success\",\"install_used\":true}. Replace event_id with a unique value and outcome with success or failed. Report success only after the skill is installed and a minimal verification passes.","description":"Use this when installing as Cursor project rules or reusable agent instructions.","copyLabel":"Copy prompt"}],"repository":"https://github.com/elementalsouls/Claude-BugHunter/tree/main/skills/hunt-aspnet","github_repo":"elementalsouls/Claude-BugHunter","version":"1.0.0","license":"MIT","urls":{"web":"https://www.openagentskill.com/skills/elementalsouls-hunt-aspnet","repository":"https://github.com/elementalsouls/Claude-BugHunter/tree/main/skills/hunt-aspnet","api":"/api/agent/skills/elementalsouls-hunt-aspnet","install_api":"/api/skills/elementalsouls-hunt-aspnet/install"},"meta":{"created_at":"2026-09-02T16:41:07.90466+00:00","updated_at":"2026-09-02T16:41:08.046861+00:00","agent_friendly":true}}