Sigma rule: Disable Powershell Command History

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-bb77e60ddd50, updated 2022-08-21T00:00:00.000Z.

Rule

Title
Disable Powershell Command History
Status
test
Level
high
Author
Ali Alwashali
Date
2022-08-21
File
rules/windows/powershell/powershell_script/posh_ps_disable_psreadline_command_history.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects scripts or commands that disabled the Powershell command history by removing psreadline module

Log source

product
windows
category
ps_script
definition
Requirements: Script Block Logging must be enabled

Detection

selection:
    ScriptBlockText|contains|all:
        - Remove-Module
        - psreadline
condition: selection

False positives (as the rule lists them)

  • Legitimate script that disables the command history

Tags

  • attack.stealth
  • attack.t1070.003

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/powershell/powershell_script/posh_ps_disable_psreadline_command_history.yml

Sources and licences

  • SigmaHQ

    "Disable Powershell Command History" by Ali Alwashali (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/powershell/powershell_script/posh_ps_disable_psreadline_command_history.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: Disable Powershell Command History",
entity page, dataset version ref-bb77e60ddd50, updated 2022-08-21T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/602f5669-6927-4688-84db-0d4b7afb2150 (accessed 2026-11-03).
Underlying source: SigmaHQ rule 602f5669-6927-4688-84db-0d4b7afb2150, 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.