Sigma rule: Equation Group C2 Communication

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-84fd672f294f, updated 2021-11-27T00:00:00.000Z.

Rule

Title
Equation Group C2 Communication
Status
test
Level
high
Author
Florian Roth (Nextron Systems)
Date
2017-04-15
Modified
2021-11-27
File
rules-emerging-threats/2017/TA/Equation-Group/net_firewall_apt_equationgroup_c2.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects communication to C2 servers mentioned in the operational notes of the ShadowBroker leak of EquationGroup C2 tools

Log source

category
firewall

Detection

selection:
    - dst_ip:
          - '69.42.98.86'
          - '89.185.234.145'
    - src_ip:
          - '69.42.98.86'
          - '89.185.234.145'
condition: selection

False positives (as the rule lists them)

  • Unknown

Tags

  • attack.exfiltration
  • attack.command-and-control
  • attack.g0020
  • attack.t1041
  • detection.emerging-threats

MITRE ATT&CK ids this rule names

References

Read on 2026-11-03T00:58:21.399Z under licence sigma-drl-1.1@d5f4c36a from https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules-emerging-threats/2017/TA/Equation-Group/net_firewall_apt_equationgroup_c2.yml

Sources and licences

  • SigmaHQ

    "Equation Group C2 Communication" by Florian Roth (Nextron Systems) (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules-emerging-threats/2017/TA/Equation-Group/net_firewall_apt_equationgroup_c2.yml.
    Licensed under the Detection Rule License (DRL) 1.1: https://github.com/SigmaHQ/Detection-Rule-License

    Detection Rule License (DRL) 1.1

Cite this page

Dragons Eye Ransomware Tracker, "Sigma rule: Equation Group C2 Communication",
entity page, dataset version ref-84fd672f294f, updated 2021-11-27T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/881834a4-6659-4773-821e-1c151789d873 (accessed 2026-11-03).
Underlying source: SigmaHQ rule 881834a4-6659-4773-821e-1c151789d873, commit ccbb0369507f796db0b0ae6854c8a2be471b9d84.

Pages change. The dataset version identifies the data, but no archive of old versions is kept, so this citation cannot be replayed later.