Sigma rule: Disabled IE Security Features

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-fc3aef769f44, updated 2021-11-27T00:00:00.000Z.

Rule

Title
Disabled IE Security Features
Status
test
Level
high
Author
Florian Roth (Nextron Systems)
Date
2020-06-19
Modified
2021-11-27
File
rules/windows/process_creation/proc_creation_win_powershell_disable_ie_features.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects command lines that indicate unwanted modifications to registry keys that disable important Internet Explorer security features

Log source

product
windows
category
process_creation

Detection

selection1:
    CommandLine|contains|all:
        - ' -name IEHarden '
        - ' -value 0 '
selection2:
    CommandLine|contains|all:
        - ' -name DEPOff '
        - ' -value 1 '
selection3:
    CommandLine|contains|all:
        - ' -name DisableFirstRunCustomize '
        - ' -value 2 '
condition: 1 of selection*

False positives (as the rule lists them)

  • Unknown

Tags

  • attack.defense-impairment
  • attack.t1685

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_powershell_disable_ie_features.yml

Sources and licences

  • SigmaHQ

    "Disabled IE Security Features" by Florian Roth (Nextron Systems) (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/process_creation/proc_creation_win_powershell_disable_ie_features.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: Disabled IE Security Features",
entity page, dataset version ref-fc3aef769f44, updated 2021-11-27T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/fb50eb7a-5ab1-43ae-bcc9-091818cb8424 (accessed 2026-11-03).
Underlying source: SigmaHQ rule fb50eb7a-5ab1-43ae-bcc9-091818cb8424, 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.