Detectionmediumtest

Internet Explorer Autorun Keys Modification

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

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Victor Sergeev, Daniil Yugoslavskiy, Gleb Sukhodolskiy, Timur Zinniatullin, oscd.community, Tim Shelton, François HubautCreated Fri Oct 25Updated Thu Aug 17a80f662f-022f-4429-9b8c-b1a41aaa6688windows
Log Source
WindowsRegistry Set
ProductWindows← raw: windows
CategoryRegistry Set← raw: registry_set
Detection Logic
Detection Logic5 selectors
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

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

Legitimate administrator sets up autorun keys for legitimate reason

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Rule not found
Rule Metadata
Rule ID
a80f662f-022f-4429-9b8c-b1a41aaa6688
Status
test
Level
medium
Type
Detection
Created
Fri Oct 25
Modified
Thu Aug 17
Path
rules/windows/registry/registry_set/registry_set_asep_reg_keys_modification_internet_explorer.yml
Raw Tags
attack.privilege-escalationattack.persistenceattack.t1547.001
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