Title:
Internet Explorer Autorun Keys Modification
Status:
test
Description:Detects modification of autostart extensibility point (ASEP) in registry.
References:
-https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1547.001/T1547.001.md
-https://learn.microsoft.com/en-us/sysinternals/downloads/autoruns
-https://gist.github.com/GlebSukhodolskiy/0fc5fa5f482903064b448890db1eaf9d
Author: Victor Sergeev, Daniil Yugoslavskiy, Gleb Sukhodolskiy, Timur Zinniatullin, oscd.community, Tim Shelton, frack113 (split)
Date: 2019-10-25
modified:2023-08-17
Tags:
- -'attack.privilege-escalation'
- -'attack.persistence'
- -'attack.t1547.001'
Logsource:
- category: registry_set
- product: windows
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_*
Falsepositives:
-Legitimate software automatically (mostly, during installation) sets up autorun keys for legitimate reason
-Legitimate administrator sets up autorun keys for legitimate reason
Level:
medium
