Sigma rule: Terminal Service Process Spawn

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-a92a0b4543ef, updated 2023-01-25T00:00:00.000Z.

Rule

Title
Terminal Service Process Spawn
Status
test
Level
high
Author
Florian Roth (Nextron Systems)
Date
2019-05-22
Modified
2023-01-25
File
rules/windows/process_creation/proc_creation_win_svchost_termserv_proc_spawn.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects a process spawned by the terminal service server process (this could be an indicator for an exploitation of CVE-2019-0708)

Log source

product
windows
category
process_creation

Detection

selection:
    ParentCommandLine|contains|all:
        - '\svchost.exe'
        - 'termsvcs'
filter_img:
    Image|endswith:
        - '\rdpclip.exe'
        - ':\Windows\System32\csrss.exe'
        - ':\Windows\System32\wininit.exe'
        - ':\Windows\System32\winlogon.exe'
filter_null:
    Image: null
condition: selection and not 1 of filter_*

False positives (as the rule lists them)

  • Unknown

Tags

  • attack.initial-access
  • attack.t1190
  • attack.lateral-movement
  • attack.t1210
  • car.2013-07-002

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/windows/process_creation/proc_creation_win_svchost_termserv_proc_spawn.yml

Sources and licences

  • SigmaHQ

    "Terminal Service Process Spawn" by Florian Roth (Nextron Systems) (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/process_creation/proc_creation_win_svchost_termserv_proc_spawn.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: Terminal Service Process Spawn",
entity page, dataset version ref-a92a0b4543ef, updated 2023-01-25T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/1012f107-b8f1-4271-af30-5aed2de89b39 (accessed 2026-11-03).
Underlying source: SigmaHQ rule 1012f107-b8f1-4271-af30-5aed2de89b39, 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.