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detecting-malicious-scheduled-tasks-with-sysmon

100 / 100 · Low risk

Fine to try.

By plurigrid/asi (GitHub) · productivity · 72 stars · scanned at commit 293ce9f

Detect malicious scheduled task creation and modification using Sysmon Event IDs 1 (Process Create for schtasks.exe), 11 (File Create for task XML), and Windows Security Event 4698/4702. The analyst correlates task creation with suspicious parent processes, public directory paths, and encoded command arguments to identify persistence and lateral movement via scheduled tasks. Activates for requests involving scheduled task detection, Sysmon persistence hunting, or T1053.005 Scheduled Task/Job an…

Works with any agent that supports SKILL.md skills.

What this skill can do

We found nothing in the files we read that matches our rules. That does not prove the skill is safe: see the limits of static scanning.

Install

Paste this into your terminal. It downloads exactly the version we scanned, not whatever is newest.

if [ -e ~/.agents/skills/'detecting-malicious-scheduled-tasks-with-sysmon' ] || [ -L ~/.agents/skills/'detecting-malicious-scheduled-tasks-with-sysmon' ]; then echo 'A skill folder named detecting-malicious-scheduled-tasks-with-sysmon already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/plurigrid/asi' "$d" && git -C "$d" checkout --quiet '293ce9f76e3abcd5ba18db284688bc0d9ac6691d' -- 'plugins/asi/skills/detecting-malicious-scheduled-tasks-with-sysmon' && mkdir -p ~/.agents/skills && cp -R "$d"/'plugins/asi/skills/detecting-malicious-scheduled-tasks-with-sysmon' ~/.agents/skills/'detecting-malicious-scheduled-tasks-with-sysmon' && rm -rf "$d"; fi

Codex reads ~/.agents/skills directly. For Claude Code, Cursor, Copilot, Gemini CLI, Antigravity or OpenCode, also link it. For Claude Code: ln -s ~/.agents/skills/'detecting-malicious-scheduled-tasks-with-sysmon' ~/.claude/skills/'detecting-malicious-scheduled-tasks-with-sysmon' (other agents: ~/.cursor/skills, ~/.copilot/skills, ~/.gemini/skills, ~/.gemini/config/skills, ~/.config/opencode/skills). Or install through the finder skill, which does both.

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