BIOCs

Browse the Cortex behavioral indicator of compromise (BIOC) detection rules.

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2 BIOCs match the current filters. tactic: TA0006 ✕ technique: T1110 ✕

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  • Execution of Fsociety tool pack Medium Discovery

    The Fsociety tool pack is an array of tools for information gathering, password attacks, exploitation, and more.

    Indicator:

    Process action type = execution AND target process cmd = *fsociety.py* , target process name = fsociety Host host os = linux

    ATT&CK tactics: Discovery (TA0007) Credential Access (TA0006)
    ATT&CK techniques: Network Service Discovery (T1046) Brute Force (T1110)
    Preventable:
    Yes
    Source:
    Palo Alto Networks
    Updated:
    2026-08-23
  • Kerberos brute-force attack using Kerbrute Informational Credential Access

    This is a known Kerbrute tool command, used to conduct Kerberos authentication brute-force attacks.

    Indicator:

    Process action type = execution AND target process cmd = *kerbrute* -domain * -users * -passwords * , *kerbrute* -domain * -passwords * -users * , *kerbrute* -users * -domain * -passwords * , *kerbrute* -users * -passwords * -domain * , *kerbrute* -passwords * -users * -domain * , *kerbrute* -passwords * -domain * -users * , *passwordspray * , *bruteforce * , *bruteuser *

    ATT&CK tactics: Credential Access (TA0006)
    ATT&CK techniques: Brute Force (T1110)
    Preventable:
    Yes
    Source:
    Palo Alto Networks
    Updated:
    2026-02-11