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    SesameOp OpenAI C2 Activity

    avatar
    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/)
    Tim Peck@timpeck
    •updated Nov 3, 2025•30•0•143

    Detects outbound network connections to the OpenAI API from unusual processes, a TTP used by the SesameOp backdoor for command and control (C2).

    YARA-L

    Tags

    S1027 - Heyoka BackdoorS0129 - AutoIt backdoorS0093 - Backdoor.OldreaT1071 - Application Layer ProtocolT1071.001 - Web ProtocolsTA0011 - Command and ControlNetwork Connection OutboundWindowsWindows SysmonCRIMEWAREBACKDOORSESAMEOPC2NETWORK

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