Threat actor profiling
Cyber Threat Intelligence Skills for each stage of the CTI Lifecycle.
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Use when the user asks to build or update a threat-actor profile, "tell me about actor X" / "profile actor Y", or another skill needs the canonical profile template (attribution, TTPs, campaigns, infrastructure patterns, intelligence gaps).
SKILL.md
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Threat Actor Profiling
A threat actor profile is a living document that consolidates everything known about a threat group. It grows over time as new intelligence is collected.
Profile Template
## Threat Actor Profile: [Primary Name]
### Summary
| Field | Value |
|-------|-------|
| **Primary Name** | [Most commonly used name] |
| **Aliases** | [All known aliases across vendors] |
| **Attribution** | [State sponsor / Criminal group / Hacktivist — with confidence level] |
| **Affiliation** | [Specific agency/unit if known, e.g., GRU Unit 26165] |
| **Motivation** | [Espionage / Financial / Disruption / Hacktivism / Mixed] |
| **Active Since** | [Year of first known activity] |
| **Status** | [Active / Dormant / Disbanded] |
| **Sophistication** | [Low / Medium / High / Advanced] |
| **Primary Targets** | [Sectors and geographies] |
| **Assessment Date** | [Date of this profile version] |
### Attribution Assessment
[Detailed attribution discussion with confidence level. Who attributes this group and based on what evidence? Where do vendors disagree?]
### Targeting
**Sectors**: [List targeted sectors with evidence]
**Geographies**: [Targeted countries/regions]
**Selection criteria**: [How does this group choose targets? Opportunistic vs targeted?]
**Evolution**: [How has targeting changed over time?]
### TTPs (MITRE ATT&CK)
| Tactic | Technique | ID | Notes |
|--------|-----------|-----|-------|
| Initial Access | Spearphishing Attachment | T1566.001 | Primary delivery method |
| Execution | PowerShell | T1059.001 | Used for download and execute |
| ... | ... | ... | ... |
### Tooling
| Tool | Type | Custom/Commodity | First Seen | Status | Notes |
|------|------|-----------------|-----------|--------|-------|
| [Tool 1] | Backdoor | Custom | 2024 | Active | Primary implant |
| Cobalt Strike | C2 | Commodity | 2023 | Active | Used with modified profiles |
### Infrastructure Patterns
- **Hosting preferences**: [Cloud providers, bulletproof hosting, compromised infrastructure]
- **Registrars**: [Preferred domain registrars]
- **TLS patterns**: [Self-signed? Let's Encrypt? Specific CAs?]
- **C2 protocols**: [HTTP/HTTPS, DNS, custom protocols]
- **IP ranges**: [Known IP blocks or ASNs]
### Campaign History
#### [Campaign 1] (YYYY-MM to YYYY-MM)
- **Targets**: [Who was targeted]
- **TTPs**: [Specific techniques used]
- **Outcome**: [Impact, attribution confidence]
- **References**: [Vendor reports]
### Relationships
- **Related groups**: [Parent/child groups, shared infrastructure, shared tools]
- **Overlap with**: [Groups that share TTPs or infrastructure]
- **Distinction from**: [Commonly confused groups and how to distinguish]
### Intelligence Gaps
- [What we don't know and need to collect]
- [Specific questions for future collection]
### Sources
| Date | Source | Reliability | Key Contribution |
|------|--------|-------------|-----------------|
| YYYY-MM-DD | [Source] | [Admiralty] | [What this source contributed to the profile] |
Alias Mapping
Different vendors use different names for the same group:
| Vendor | Naming Convention | Example |
|---|---|---|
| Microsoft | Weather + element | Forest Blizzard |
| CrowdStrike | Animal + adjective | Fancy Bear |
| Mandiant/Google | APT + number | APT28 |
| MITRE | Group ID | G0007 |
| Kaspersky | Varies | Sofacy |
| Recorded Future | TAG-XX | TAG-110 |
Always list all known aliases and cross-reference when building profiles.
Profile Maintenance
- Update when new campaigns are attributed
- Update when new tools are discovered
- Update when targeting patterns change
- Review quarterly for staleness
- Move concluded campaigns from Active to Historical
- Update intelligence gaps as gaps are filled or new ones identified
Related skills
- Vendor finished intelligence (highest leverage for state-sponsored / espionage actors) — when CrowdStrike credentials are configured,
/lookup-crowdstrike actor "<name>"returns the Falcon Intel adversary profile (origins, target countries/industries, motivations, capability, aliases);/lookup-crowdstrike ttps "<name>"returns the actor's MITRE ATT&CK technique set (feed into the TTPs section);/lookup-crowdstrike reports --actor "<name>" --latestsurfaces the newest finished reporting. Use these as a primary feed for the profile, then enrich. Resolve the returnedtechnique_idsagainst/mitre-attack. - Ransomware-group profiles (highest leverage for ransomware actors) —
/lookup-ransomwarelive group <name>andgroup-profile <name>return curated TTPs, leak-site.onioninfrastructure, vulnerabilities exploited, and per-group IOC + YARA dumps. Use these as the primary feed for any ransomware actor profile, then enrich. - Community attribution —
/lookup-otx pulse-search "<actor-or-alias>"for community-tagged indicators;/lookup-misp search-events --tag "actor=<name>"for prior internal cataloguing - Internal knowledge base —
/lookup-opencti search "<actor-or-alias>"surfaces the intrusion sets, reports, campaigns, and malware your OpenCTI instance already links to the actor;get <id>walks the relationships. Check this before rebuilding a profile from scratch. - Build the infrastructure cluster —
/indicator-pivotingwalks the IOC graph (hand offpivot_candidatesfrom the lookups above) - Underground-forum and Telegram footprint —
/darkweb-collectionfor forum/channel monitoring of an actor's known aliases - Campaigns attributed to the actor —
/campaign-trackingfor per-campaign records that roll up into the profile - Knowledge cells the profile may feed into —
/ransomware-ecosystem,/initial-access-brokers,/infostealers, plus any country/sector knowledge cells (e.g.,/iran-cyber-espionage) - Apply rigor —
/score-source,/apply-tlp,/confidence-language,/likelihood-language,/intelligence-writing