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    GhostContainer Backdoor Deployment on Exchange via w3wp.exe

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    GlassDiceBearhttps://www.dicebear.comhttps://creativecommons.org/publicdomain/zero/1.0/„Glass” (https://www.dicebear.com) by „DiceBear”, licensed under „CC0 1.0” (https://creativecommons.org/publicdomain/zero/1.0/)
    Ibrahim Saud@tektrix
    •updated 22 days ago•1•0•2

    Detects the deployment of the GhostContainer backdoor, which masquerades as an IIS server component loaded within w3wp.exe. The rule monitors for command-line arguments associated with web shells and known exploitation tools like reGeorg, indicating an attempt to maintain persistence following an Exchange server compromise.

    YARA-L

    Tags

    T1505.003 - Web ShellTA0003 - PersistenceProcess CreationCommand ExecutionWindowsMicrosoft Exchange ServerMicrosoft Iis

    Found in

    • Three Threat Groups Target Russian Enterprises with BackdoorsLast updated 23 days ago
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    • Three Threat Groups Target Russian Enterprises with BackdoorsLast updated 23 days ago
    • Three Threat Groups Target Russian Enterprises with BackdoorsLast updated 23 days ago

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