Sigma rule: Internet Explorer Autorun Keys Modification

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-7e5401fcc0ba, updated 2023-08-17T00:00:00.000Z.

Rule

Title
Internet Explorer Autorun Keys Modification
Status
test
Level
medium
Author
Victor Sergeev, Daniil Yugoslavskiy, Gleb Sukhodolskiy, Timur Zinniatullin, oscd.community, Tim Shelton, frack113 (split)
Date
2019-10-25
Modified
2023-08-17
File
rules/windows/registry/registry_set/registry_set_asep_reg_keys_modification_internet_explorer.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects modification of autostart extensibility point (ASEP) in registry.

Log source

product
windows
category
registry_set

Detection

ie:
    TargetObject|contains:
        - '\Software\Wow6432Node\Microsoft\Internet Explorer'
        - '\Software\Microsoft\Internet Explorer'
ie_details:
    TargetObject|contains:
        - '\Toolbar'
        - '\Extensions'
        - '\Explorer Bars'
filter_empty:
    Details: '(Empty)'
filter_extensions:
    TargetObject|contains:
        - '\Extensions\{2670000A-7350-4f3c-8081-5663EE0C6C49}'
        - '\Extensions\{31D09BA0-12F5-4CCE-BE8A-2923E76605DA}'
        - '\Extensions\{789FE86F-6FC4-46A1-9849-EDE0DB0C95CA}'
        - '\Extensions\{A95fe080-8f5d-11d2-a20b-00aa003c157a}'
filter_toolbar:
    TargetObject|endswith:
        - '\Toolbar\ShellBrowser\ITBar7Layout'
        - '\Toolbar\ShowDiscussionButton'
        - '\Toolbar\Locked'
condition: ie and ie_details and not 1 of filter_*

False positives (as the rule lists them)

  • Legitimate software automatically (mostly, during installation) sets up autorun keys for legitimate reason
  • Legitimate administrator sets up autorun keys for legitimate reason

Tags

  • attack.privilege-escalation
  • attack.persistence
  • attack.t1547.001

MITRE ATT&CK ids this rule names

Related rules

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/registry/registry_set/registry_set_asep_reg_keys_modification_internet_explorer.yml

Sources and licences

  • SigmaHQ

    "Internet Explorer Autorun Keys Modification" by Victor Sergeev, Daniil Yugoslavskiy, Gleb Sukhodolskiy, Timur Zinniatullin, oscd.community, Tim Shelton, frack113 (split) (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/registry/registry_set/registry_set_asep_reg_keys_modification_internet_explorer.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: Internet Explorer Autorun Keys Modification",
entity page, dataset version ref-7e5401fcc0ba, updated 2023-08-17T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/a80f662f-022f-4429-9b8c-b1a41aaa6688 (accessed 2026-11-03).
Underlying source: SigmaHQ rule a80f662f-022f-4429-9b8c-b1a41aaa6688, 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.