Sigma rule: New Service Uses Double Ampersand in Path

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-e3a29932eacb, updated 2023-11-15T00:00:00.000Z.

SigmaHQ marks this rule as deprecated.

Rule

Title
New Service Uses Double Ampersand in Path
Status
deprecated
Level
high
Author
Florian Roth (Nextron Systems)
Date
2022/07/05
Modified
2023/11/15
File
deprecated/windows/win_system_service_install_susp_double_ampersand.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects a service installation that uses a suspicious double ampersand used in the image path value

Log source

product
windows
service
system

Detection

selection:
    Provider_Name: 'Service Control Manager'
    EventID: 7045
    ImagePath|contains: '&&'
condition: selection

False positives (as the rule lists them)

  • Unknown

Tags

  • attack.defense_evasion
  • attack.t1027

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/deprecated/windows/win_system_service_install_susp_double_ampersand.yml

Sources and licences

  • SigmaHQ

    "New Service Uses Double Ampersand in Path" by Florian Roth (Nextron Systems) (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/deprecated/windows/win_system_service_install_susp_double_ampersand.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: New Service Uses Double Ampersand in Path",
entity page, dataset version ref-e3a29932eacb, updated 2023-11-15T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/ca83e9f3-657a-45d0-88d6-c1ac280caf53 (accessed 2026-11-03).
Underlying source: SigmaHQ rule ca83e9f3-657a-45d0-88d6-c1ac280caf53, 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.