Sigma rule: Suspicious Service Installation Script

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-1a66889f15b0, updated 2024-03-05T00:00:00.000Z.

Rule

Title
Suspicious Service Installation Script
Status
test
Level
high
Author
pH-T (Nextron Systems)
Date
2022-03-18
Modified
2024-03-05
File
rules/windows/builtin/system/service_control_manager/win_system_susp_service_installation_script.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects suspicious service installation scripts

Log source

product
windows
service
system

Detection

selection_eid:
    Provider_Name: 'Service Control Manager'
    EventID: 7045
selection_cmd_flags:
    ImagePath|contains|windash:
        - ' -c '
        - ' -r '
        - ' -k '
selection_binaries:
    ImagePath|contains:
        - 'cscript'
        - 'mshta'
        - 'powershell'
        - 'pwsh'
        - 'regsvr32'
        - 'rundll32'
        - 'wscript'
condition: all of selection_*

False positives (as the rule lists them)

  • Unknown

Tags

  • attack.persistence
  • attack.privilege-escalation
  • car.2013-09-005
  • attack.t1543.003

MITRE ATT&CK ids this rule names

References

  • Internal Research

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/builtin/system/service_control_manager/win_system_susp_service_installation_script.yml

Sources and licences

  • SigmaHQ

    "Suspicious Service Installation Script" by pH-T (Nextron Systems) (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/builtin/system/service_control_manager/win_system_susp_service_installation_script.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: Suspicious Service Installation Script",
entity page, dataset version ref-1a66889f15b0, updated 2024-03-05T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/70f00d10-60b2-4f34-b9a0-dc3df3fe762a (accessed 2026-11-03).
Underlying source: SigmaHQ rule 70f00d10-60b2-4f34-b9a0-dc3df3fe762a, 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.