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analyzing-malware-family-relationships-with-malpedia

Use the Malpedia platform and API to research malware family relationships, track variant evolution, link families to threat actors, and integrate YARA rules for detection across malware lineages.

66

Quality

58%

Does it follow best practices?

Impact

Pending

No eval scenarios have been run

SecuritybySnyk

Risky

Do not use without reviewing

Optimize this skill with Tessl

npx tessl skill review --optimize ./skills/analyzing-malware-family-relationships-with-malpedia/SKILL.md
SKILL.md
Quality
Evals
Security

Security

2 findings — 1 high severity, 1 medium severity. You should review these findings carefully before considering using this skill.

High

W007: Insecure credential handling detected in skill instructions

What this means

The skill handles credentials insecurely by requiring the agent to include secret values verbatim in its generated output. This exposes credentials in the agent’s context and conversation history, creating a risk of data exfiltration.

Why it was flagged

Insecure credential handling detected (high risk: 0.90). The prompt's example and client code directly embed a Malpedia API key into request headers (client = MalpediaClient("YOUR_MALPEDIA_API_KEY") and headers = {"Authorization": f"apitoken {api_key}"}), which encourages placing secrets verbatim into generated code/requests and risks exfiltration.

Report incorrect finding
Medium

W011: Third-party content exposure detected (indirect prompt injection risk)

What this means

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.

Why it was flagged

Third-party content exposure detected (high risk: 0.90). The skill explicitly queries the public Malpedia API (see SKILL.md and scripts/agent.py calling https://malpedia.caad.fkie.fraunhofer.de/api endpoints such as /get/family and /get/yara) and ingests community/vendor-contributed, user-generated references and YARA rules which the agent parses and uses to build mappings and compile detection rules, so third-party content can materially influence its actions.

Repository
mukul975/Anthropic-Cybersecurity-Skills
Audited
Security analysis
Snyk

Is this your skill?

If you maintain this skill, you can claim it as your own. Once claimed, you can manage eval scenarios, bundle related skills, attach documentation or rules, and ensure cross-agent compatibility.