Detectionmediumtest

Potential Chrome Frame Helper DLL Sideloading

Detects potential DLL sideloading of "chrome_frame_helper.dll"

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Launch
Nasreddine Bencherchali (Nextron Systems), Wietze Beukema (project and research)Created Wed Aug 17Updated Mon May 1572ca7c75-bf85-45cd-aca7-255d360e423cwindows
Log Source
WindowsImage Load (DLL)
ProductWindows← raw: windows
CategoryImage Load (DLL)← raw: image_load
Detection Logic
Detection Logic3 selectors
detection:
    selection:
        ImageLoaded|endswith: '\chrome_frame_helper.dll'
    filter_main_path:
        ImageLoaded|startswith:
            - 'C:\Program Files\Google\Chrome\Application\'
            - 'C:\Program Files (x86)\Google\Chrome\Application\'
    filter_optional_user_path:
        ImageLoaded|contains: '\AppData\local\Google\Chrome\Application\'
    condition: selection and not 1 of filter_main_* and not 1 of filter_optional_*
False Positives
Unknown

False positive likelihood has not been assessed. Additional context may be needed during triage.

Rule Metadata
Rule ID
72ca7c75-bf85-45cd-aca7-255d360e423c
Status
test
Level
medium
Type
Detection
Created
Wed Aug 17
Modified
Mon May 15
Path
rules/windows/image_load/image_load_side_load_chrome_frame_helper.yml
Raw Tags
attack.defense-evasionattack.persistenceattack.privilege-escalationattack.t1574.001
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