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Verify Exploit Mitigations

Category: Security  ·  Sub-category: red-team  ·  Last updated:
Verification methodology to prove exploit mitigations are both PRESENT (compiled in and policy-configured) and EFFECTIVE (enforced at runtime, on every loaded module, not silently disabled). Answers the gap attackers rely on: a mitigation a baseline claims is on that is off on the live process. Covers ASLR, DEP/NX, CFG, CET shadow stack, stack canaries, and RELRO. Maps to MITRE ATT&CK T1203, T1190, T1068, T1211, T1210, mitigation M1050, and the tampering it detects (T1562.001, T1112). Signals: Windows Get-ProcessMitigation configured-vs-running delta, bcdedit nx, MitigationOptions registry, Sysmon 13, Security 4657; Linux randomize_va_space, proc maps, readelf, checksec, systemd-analyze security, auditd. Use when you need to attest ASLR DEP CFG or CET are truly enforced and not just configured, verify every loaded DLL is mitigated not just the main EXE, gate a CI build on hardening flags, or detect a mitigation turned off via IFEO.
Security AStatic scan found no risk patternsHow grading works ›

From the source SKILL.md

This skill is the verification loop that sits beside [defend-exploit-mitigations](../defend-exploit-mitigations/SKILL.md). That sibling owns coverage-gap scanning and crash-cluster hunting for ASLR, DEP, CFG, and CET; do not duplicate it. This skill answers a narrower, sharper question: is the mitigation that your baseline claims is on actually enforced on the running process, on every module it loaded, and has nobody quietly switched it off since. A mitigation that is configured but not effective is worth nothing, and the delta between the two states is where this skill lives.

What this skill does

Verify Exploit Mitigations is a community-contributed Claude Code skill in the red-team sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/verify-exploit-mitigations/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use when you need to attest ASLR DEP CFG or CET are truly enforced and not just configured, verify every loaded DLL is mitigated not just the main EXE, gate a CI build on hardening flags, or detect a mitigation turned off via IFEO.

Who uses this skill

The Verify Exploit Mitigations Claude Code skill is built for security engineers, penetration testers, DevSecOps practitioners, and development teams hardening codebases and infrastructure. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 211,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/verify-exploit-mitigations
curl -L https://claudskills.com/skills/verify-exploit-mitigations/SKILL.md \
  -o ~/.claude/skills/verify-exploit-mitigations/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/verify-exploit-mitigations/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/verify-exploit-mitigations/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\verify-exploit-mitigations\SKILL.md on Windows. See the full install guide for step-by-step instructions.

Telegram

📱 Install from your phone or desktop Telegram

Open @claudskills_bot on Telegram, tap Open Desktop App, and the desktop app installs this skill for you. Or share the bot link with a colleague — they get the same one-tap install. Learn more →

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

Pro

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See pricing → Download desktop app

Frequently asked questions

How do I install the Verify Exploit Mitigations Claude Code skill?
Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/verify-exploit-mitigations/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.
What does the Verify Exploit Mitigations skill do?
Verification methodology to prove exploit mitigations are both PRESENT (compiled in and policy-configured) and EFFECTIVE (enforced at runtime, on every loaded module, not silently disabled). Answers the gap attackers rely on: a mitigation a baseline claims is on that is off on the live process. Covers ASLR, DEP/NX, CFG, CET shadow stack, stack canaries, and RELRO. Maps to MITRE ATT&CK T1203, T1190, T1068, T1211, T1210, mitigation M1050, and the tampering it detects (T1562.001, T1112). Signals: Windows Get-ProcessMitigation configured-vs-running delta, bcdedit nx, MitigationOptions registry, Sysmon 13, Security 4657; Linux randomize_va_space, proc maps, readelf, checksec, systemd-analyze security, auditd. Use when you need to attest ASLR DEP CFG or CET are truly enforced and not just configured, verify every loaded DLL is mitigated not just the main EXE, gate a CI build on hardening flags, or detect a mitigation turned off via IFEO.
Is this skill free to install?
Yes. ClaudSkills is an open registry — every skill keeps its source repository's license, and manual install via copy is free. ClaudSkills Pro ($9/mo, $79/yr, or $149 one-time) adds one-click install via the desktop app and a multi-signal Quality Score.
When should I use the Verify Exploit Mitigations skill?
Use Verify Exploit Mitigations when your Claude Code task falls under the Security category — specifically in the red team area. Claude Code auto-discovers installed skills and invokes the right one based on the task description, so you can also ask Claude directly (e.g. "use Verify Exploit Mitigations" or describe the task and let Claude pick). Browse related skills at /category/security/.
What is a Claude Code skill and how does the Verify Exploit Mitigations skill fit in?
A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Verify Exploit Mitigations is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Security category. Learn more at /learn/what-is-a-claude-skill/.

Attribution & license

Cite this skill

If you reference this skill in a blog post, paper, or documentation, you can cite it as:

APA
umbrasec-labs. (2026). Verify Exploit Mitigations [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/verify-exploit-mitigations/
BibTeX
@misc{verify-exploit-mitigations-2026,
  author    = {umbrasec-labs},
  title     = {Verify Exploit Mitigations [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/verify-exploit-mitigations/}
}

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Security scan

Grade A · scanned 2026-10-25 — free static scan against the OWASP Agentic Skills Top 10.

No risk patterns were found in any of the ten OWASP-aligned categories. How grading works ›

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