Sigma rule: Shell Context Menu Command Tampering

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-aae0c77b8722, updated 2024-03-06T00:00:00.000Z.

Rule

Title
Shell Context Menu Command Tampering
Status
test
Level
low
Author
Nasreddine Bencherchali (Nextron Systems)
Date
2024-03-06
File
rules-threat-hunting/windows/registry/registry_set/registry_set_shell_context_menu_tampering.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects changes to shell context menu commands. Use this rule to hunt for potential anomalies and suspicious shell commands.

Log source

product
windows
category
registry_set

Detection

selection:
    TargetObject|contains|all:
        - '\Software\Classes\'
        - '\shell\'
        - '\command\'
condition: selection

False positives (as the rule lists them)

  • Likely from new software installation suggesting to add context menu items. Such as "PowerShell", "Everything", "Git", etc.

Tags

  • attack.persistence
  • detection.threat-hunting

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-threat-hunting/windows/registry/registry_set/registry_set_shell_context_menu_tampering.yml

Sources and licences

  • SigmaHQ

    "Shell Context Menu Command Tampering" by Nasreddine Bencherchali (Nextron Systems) (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules-threat-hunting/windows/registry/registry_set/registry_set_shell_context_menu_tampering.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: Shell Context Menu Command Tampering",
entity page, dataset version ref-aae0c77b8722, updated 2024-03-06T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/868df2d1-0939-4562-83a7-27408c4a1ada (accessed 2026-11-03).
Underlying source: SigmaHQ rule 868df2d1-0939-4562-83a7-27408c4a1ada, 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.