Emerging Threatmediumexperimental

Potential CVE-2024-35250 Exploitation Activity

Detects potentially suspicious loading of "ksproxy.ax", which may indicate an attempt to exploit CVE-2024-35250.

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Isaac FernandesCreated Wed Feb 1917ce9373-2163-4a2c-90ba-f91e9ef7a8c12024

Emerging Threat

Active Threat

Developed to detect an active or emerging threat. Prioritize investigation of any alerts and correlate with threat intelligence.

Log Source

WindowsImage Load (DLL)

ProductWindows← raw: windows

CategoryImage Load (DLL)← raw: image_load

Detection Logic

detection:
    selection:
        ImageLoaded|endswith: '\ksproxy.ax'
    filter_main_system_paths:
        Image|startswith:
            - 'C:\Program Files\'
            - 'C:\Program Files (x86)\'
            - 'C:\Windows\System32\'
            - 'C:\Windows\SysWOW64\'
    filter_optional_teams:
        Image|endswith: '\AppData\Local\Microsoft\Teams\current\Teams.exe'
    filter_optional_zoom:
        Image|endswith: '\AppData\Roaming\Zoom\bin\Zoom.exe'
    filter_optional_firefox:
        Image|endswith: '\AppData\Local\Mozilla Firefox\firefox.exe'
    filter_optional_chrome:
        Image|endswith: '\AppData\Local\Google\Chrome\Application\chrome.exe'
    filter_optional_opera:
        Image|endswith: '\AppData\Local\Programs\Opera\opera.exe'
    filter_optional_discord:
        Image|endswith: '\AppData\Local\Discord\app-*\Discord.exe'
    condition: selection and not 1 of filter_main_* and not 1 of filter_optional_*