id: cobalt-strike-c2-jarm

info:
  name: Cobalt Strike C2 JARM - Detect
  author: pussycat0x
  severity: info
  description: |
    Cobalt Strike gives you a post-exploitation agent and covert channels to emulate a quiet long-term embedded actor in your customer's network.
  reference:
    - https://blog.sekoia.io/hunting-and-detecting-cobalt-strike/
  metadata:
    verified: true
    max-request: 1
    shodan-query: ssl.jarm:07d14d16d21d21d07c42d41d00041d24a458a375eef0c576d23a7bab9a9fb1+port:443
  tags: jarm,network,c2,ir,osint,cti,cobalt-strike,tcp
tcp:
  - inputs:
      - data: 2E
        type: hex
    host:
      - "{{Hostname}}"
    matchers:
      - type: dsl
        dsl:
          - "jarm(Hostname) == '07d14d16d21d21d07c42d41d00041d24a458a375eef0c576d23a7bab9a9fb1'"
# digest: 4a0a00473045022060d769ab915cb242c67f88cca14737ab12f2a07d8f73144fb73757e6fe641020022100acaa86e70146f386315465aad940d9044415537df2f90567b28d14be52d2484d:922c64590222798bb761d5b6d8e72950