Sigma rule: Ps.exe Renamed SysInternals Tool

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-140c4d3d0ea2, updated 2023-05-02T00:00:00.000Z.

Rule

Title
Ps.exe Renamed SysInternals Tool
Status
test
Level
high
Author
Florian Roth (Nextron Systems)
Date
2017-10-22
Modified
2023-05-02
File
rules-emerging-threats/2017/TA/Dragonfly/proc_creation_win_apt_ta17_293a_ps.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects renamed SysInternals tool execution with a binary named ps.exe as used by Dragonfly APT group and documented in TA17-293A report

Log source

product
windows
category
process_creation

Detection

selection:
    CommandLine|contains|all:
        - 'ps.exe -accepteula'
        - '-s cmd /c netstat'
condition: selection

False positives (as the rule lists them)

  • Renamed SysInternals tool

Tags

  • attack.stealth
  • attack.g0035
  • attack.t1036.003
  • car.2013-05-009
  • 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/Dragonfly/proc_creation_win_apt_ta17_293a_ps.yml

Sources and licences

  • SigmaHQ

    "Ps.exe Renamed SysInternals Tool" by Florian Roth (Nextron Systems) (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules-emerging-threats/2017/TA/Dragonfly/proc_creation_win_apt_ta17_293a_ps.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: Ps.exe Renamed SysInternals Tool",
entity page, dataset version ref-140c4d3d0ea2, updated 2023-05-02T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/18da1007-3f26-470f-875d-f77faf1cab31 (accessed 2026-11-03).
Underlying source: SigmaHQ rule 18da1007-3f26-470f-875d-f77faf1cab31, 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.