53 tagged threat intelligence, measured the same way as everything else here.
Browse within: ioc 16mitre-attack 16stix 15phishing 14threat-actor 14cybersecurity 10AbuseIPDB 8MISP 8MalwareBazaar 8NIST-CSF 8VirusTotal 8agentskills 7ai-security 7appsec 7
mukul975/Anthropic-Cybersecurity-Skills
Skill Claude CodeCodex
Monitor Certificate Transparency logs using crt.sh and Certstream to detect phishing domains, lookalike certificates, and unauthorized certificate issuance targeting your organization.
killvxk/cybersecurity-skills-zh
Skill Claude CodeCodex
A guide to monitoring Certificate Transparency logs, public records of issued website security certificates, to find suspicious or unauthorized domains and certificates. It uses crt.sh for historical searches and Certstream for live monitoring.
Skill Claude CodeCodex
Search the Tor dark web, fetch .onion hidden-service pages, rotate Tor identities, and run structured multi-step OSINT investigations. Use when the user asks to search the dark web, investigate .onion sites, check whether data appeared on the dark web, fetch a .onion URL, look up leaked credentials, investigate…
Skill Claude CodeCodex
SICRY gives you full access to the Tor network and .onion hidden services — the same way you can fetch URLs and search the regular internet, but now for the dark web.
Skill Claude CodeCodex
Analyzes indicators of compromise (IOCs) including IP addresses, domains, file hashes, URLs, and email artifacts to determine maliciousness confidence, campaign attribution, and blocking priority. Use when triaging IOCs from phishing emails, security alerts, or external threat feeds; enriching raw IOCs with…
Skill Claude CodeCodex
Monitor and analyze ransomware group data leak sites (DLS) to track victim postings, extract threat intelligence on group tactics, and assess sector-specific ransomware risk for proactive defense.
Skill Claude CodeCodex
Monitor Certificate Transparency logs using crt.sh and Certstream to detect phishing domains, lookalike certificates, and unauthorized certificate issuance targeting your organization.
Skill Claude CodeCodex
Comprehensive reference for the VirusTotal API v3, covering authentication, rate limits, endpoint usage, and the critical differences between Free (Public) and Premium (Enterprise) tiers. Use this skill whenever a user asks about VirusTotal, VT API, scanning files or URLs with VirusTotal, threat intelligence lookups…