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    NetScaler ADC Exploit Attempt CVE-2026-88771

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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/)
    Sunil Chikkala@Sunil2652000
    •updated 5 days ago•1•0•11

    Detects suspicious exploitation activity against NetScaler ADC/Gateway appliances, including requests to CGI, VPN, or authentication endpoints with command execution, webshell, or encoded payload behavior associated with CVE-2026-88771.

    Sigma

    Tags

    TA0002 - ExecutionTA0003 - PersistenceT1190 - Exploit Public-Facing ApplicationT1059 - Command and Scripting InterpreterT1505 - Server Software ComponentTA0001 - Initial AccessHTTP RequestCVE-2026-88771attack.initial_accessattack.executionattack.persistenceattack.t1190attack.t1059attack.t1505cve.2026-88771

    Found in

    • Critical Unpatched Citrix NetScaler RCE Zero-Days ExploitedLast updated 2 days ago
    • Citrix NetScaler Exploitation Analysis and Hunting GuideLast updated 10 days ago
    • Citrix NetScaler Flaws Exploited as Zero-DayLast updated 24 days ago

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