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.
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Critical
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Security
1 critical severity finding. Installing this skill is not recommended: please review these findings carefully if you do intend to do so.
Detected high-risk code patterns in the skill content — including its prompts, tool definitions, and resources — such as data exfiltration, backdoors, remote code execution, credential theft, system compromise, supply chain attacks, and obfuscation techniques.
This document is an offensive exploitation guide with step-by-step probes, payloads, and chains to achieve remote code execution and credential/token exposure (ViewState/Telerik/SharePoint/trace/elmah), indicating intentional malicious behavior.
Low
Low-risk findings.
1 low severity finding. Worth noting, but not necessarily harmful.
The skill exposes the agent to untrusted, user-generated content from public third-party sources, creating a risk of indirect prompt injection. This includes browsing arbitrary URLs, reading social media posts or forum comments, and analyzing content from unknown websites.
This skill’s REQUIRED workflow is to probe arbitrary outsider-controlled web targets at runtime (e.g., fetch/parsing of `/page.aspx` to extract `__VIEWSTATE` and fetch `trace.axd`/`elmah.axd` responses), so the LLM context would likely ingest outsider-authored page/response text containing attacker-controlled content and potential prompt-injection strings.
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