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    Weak or Abused Passwords in CLI

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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/)
    SigmaHQ Detections@sigmaHQ
    •updated Aug 12, 2024•1•0•21

    This rule detects the use of weak or commonly abused passwords directly within command-line interfaces. Threat actors often use this method to create new user accounts with easily guessable or known compromised passwords. The rule specifically looks for a predefined list of weak passwords appearing in the command line of a process creation event.

    Sigma

    Tags

    T1059 - Command and Scripting InterpreterT1059.003 - Windows Command ShellT1110 - Brute ForceT1110.001 - Password GuessingT1078 - Valid AccountsTA0002 - ExecutionTA0006 - Credential AccessTA0005 - Defense EvasionTA0003 - PersistenceTA0004 - Privilege EscalationTA0001 - Initial AccessCommand ExecutionWindowsCVE-2024-1709CVE-2024-1708attack.defense-evasionattack.execution

    Found in

    • ConnectWise Cloud Backup Microsoft 365 Tenant CompromiseLast updated 9 days ago
    • Rogue ScreenConnect Worm Campaign and Vulnerability SynthesisLast updated Sep 8, 2026
    • Rogue ScreenConnect Worm Campaign and Vulnerability SynthesisLast updated Sep 7, 2026
    • Abuse of Faronics Deploy for ScreenConnect DistributionLast updated Sep 2, 2026

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