Announcing Beacon: Self-improving memory for coding agents
← All skills
Skill

performing-log-analysis-for-forensic-investigation

skill:mukul975/anthropic-cybersecurity-skills#performing-log-analysis-for-forensic-investigation

Collect, parse, and correlate system, application, and security logs to reconstruct events and establish timelines during forensic investigations.

Verdict
Suspicious

Risky behavior the analysis could not rule out.

Analyzed Oct 27, 2026, 23:52 UTC at 54a7988

Dispute security verdict

If you believe this verdict is incorrect, submit a dispute and we'll review it.

2
findings
medium
highest severity
2
threat classes
4,532
files scanned
65/65
checks satisfied
0
package advisories

Why this verdict

  • suspicious: finding skill:skills/performing-log-analysis-for-forensic-investigation:skills/performing-log-analysis-for-forensic-investigation/SKILL.md:84:SUPPLY
  • suspicious: finding skill:skills/performing-log-analysis-for-forensic-investigation:skills/performing-log-analysis-for-forensic-investigation/SKILL.md:97:PRIVESC

Security findings 2

Supply chain

mediumContextual risklow confidence

The skill instructs the agent to run an unpinned 'pip install python-evtx', fetching and installing a third-party package from PyPI at setup time with no version constraint.

pip install python-evtx
vector:instruction
Counter-argument considered

The skill body explicitly instructs an unpinned PyPI install ('pip install python-evtx' with no version constraint), which falls outside the pinned-official-registry carve-out, and no declared claim covers fetching third-party code; the installed package is then imported and executed, giving a concrete source-to-sink chain. No evidence in the artifact mitigates or pins this, so the contextual supply finding stands.

Privilege escalation

mediumContextual risklow confidence

The skill's Step 2 instructs the agent to run 'sudo apt-get install libevtx-utils', elevating to root to install a system package as a setup prerequisite for EVTX parsing.

sudo apt-get install libevtx-utils
vector:instruction
Counter-argument considered

The quote means exactly what the finding claims: Step 2 concretely instructs a root-elevated install with no version pin, which is not covered by the pinned official-registry or vendor-installer carve-outs, is more than broad permissions alone (a specific instructed privileged action), and no declared claim or mitigation covers privileged system installation. As a low-confidence contextual risk it survives; I find no cited evidence that neutralizes it.