Detect UEFI Secure Boot bypasses and bootkits such as BlackLotus and Bootkitty by verifying Secure Boot state, checking dbx revocation currency, and hashing EFI boot binaries against known-bad sets using mokutil, efi-readvar/dbxtool, CHIPSEC, sbverify/pesign, and Windows Confirm-SecureBootUEFI.
Install
npx skills add mukul975/Anthropic-Cybersecurity-Skills --skill detecting-secure-boot-bypassnpx skills add mukul975/Anthropic-Cybersecurity-Skills --skill detecting-secure-boot-bypass -a claude-code -gnpx skills add mukul975/Anthropic-Cybersecurity-Skills --skill detecting-secure-boot-bypass -a codex -ggemini skills install https://github.com/mukul975/Anthropic-Cybersecurity-Skills.git --path skills/detecting-secure-boot-bypassgh skill install mukul975/Anthropic-Cybersecurity-Skills detecting-secure-boot-bypassgit clone --depth 1 https://github.com/mukul975/Anthropic-Cybersecurity-Skills /tmp/mukul975__Anthropic-Cybersecurity-Skills
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/mukul975__Anthropic-Cybersecurity-Skills/skills/detecting-secure-boot-bypass ~/.claude/skills/detecting-secure-boot-bypass # Claude Code
cp -R /tmp/mukul975__Anthropic-Cybersecurity-Skills/skills/detecting-secure-boot-bypass ~/.agents/skills/detecting-secure-boot-bypass # Codex, Cursor, Gemini CLI, Copilot, OpenCode