nuclei-templates/network/jarm/c2/merlin-c2-jarm.yaml

id: merlin-c2-jarm

info:
  name: Merlin C2 JARM - Detect
  author: pussycat0x
  severity: info
  description: |
    Merlin is a post-exploit Command & Control (C2) tool, also known as a Remote Access Tool (RAT), that communicates using the HTTP/1.1, HTTP/2, and HTTP/3 protocols. HTTP/3 is the combination of HTTP/2 over the Quick UDP Internet Connections (QUIC) protocol. This tool was the result of my work evaluating HTTP/2 in a paper titled Practical Approach to Detecting and Preventing Web Application Attacks over HTTP/2. Merlin is also my first attempts at learning Golang.
  reference:
    - https://github.com/cedowens/C2-JARM
    - https://merlin-c2.readthedocs.io/en/latest/
  metadata:
    max-request: 1
  tags: jarm,network,c2,ir,osint,cti,merlin
tcp:
  - inputs:
      - data: 2E
        type: hex
    host:
      - "{{Hostname}}"
    matchers:
      - type: dsl
        dsl:
          - "jarm(Hostname) == '29d21b20d29d29d21c41d21b21b41d494e0df9532e75299f15ba73156cee38'"
# digest: 4b0a00483046022100f923e9dd8144b153f0ea582bdf36de335b932fecd34251d3b513be9220d4d92d022100938e1516572557386dc79b392644932d0f378c9ed15388312afac648ab055dba:922c64590222798bb761d5b6d8e72950
C2 Jarm - Detect 2023-07-14 08:02:24 +00:00			`id: merlin-c2-jarm`

			`info:`
			`name: Merlin C2 JARM - Detect`
			`author: pussycat0x`
			`severity: info`
			`description: \|`
			`Merlin is a post-exploit Command & Control (C2) tool, also known as a Remote Access Tool (RAT), that communicates using the HTTP/1.1, HTTP/2, and HTTP/3 protocols. HTTP/3 is the combination of HTTP/2 over the Quick UDP Internet Connections (QUIC) protocol. This tool was the result of my work evaluating HTTP/2 in a paper titled Practical Approach to Detecting and Preventing Web Application Attacks over HTTP/2. Merlin is also my first attempts at learning Golang.`
			`reference:`
			`- https://github.com/cedowens/C2-JARM`
			`- https://merlin-c2.readthedocs.io/en/latest/`
TemplateMan Update [Tue Jul 18 08:23:15 UTC 2023] :robot: 2023-07-18 08:23:15 +00:00			`metadata:`
			`max-request: 1`
Revert "TemplateMan Update [Mon Apr 8 11:30:07 UTC 2024] :robot:" This reverts commit 433dda4ae5b824564b44075bb95a96ecdbe263a6. 2024-04-08 11:34:33 +00:00			`tags: jarm,network,c2,ir,osint,cti,merlin`
C2 Jarm - Detect 2023-07-14 08:02:24 +00:00			`tcp:`
			`- inputs:`
			`- data: 2E`
			`type: hex`
			`host:`
			`- "{{Hostname}}"`
			`matchers:`
			`- type: dsl`
			`dsl:`
templateman update 2023-10-14 11:27:55 +00:00			`- "jarm(Hostname) == '29d21b20d29d29d21c41d21b21b41d494e0df9532e75299f15ba73156cee38'"`
Auto Template Signing [Fri Jan 26 08:31:11 UTC 2024] :robot: 2024-01-26 08:31:11 +00:00			`# digest: 4b0a00483046022100f923e9dd8144b153f0ea582bdf36de335b932fecd34251d3b513be9220d4d92d022100938e1516572557386dc79b392644932d0f378c9ed15388312afac648ab055dba:922c64590222798bb761d5b6d8e72950`