BIOCs

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

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1 BIOC match the current filters. tactic: TA0004 ✕ technique: T1087 ✕

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  • Sudoers discovery Informational Discovery

    Attackers may enumerate the sudoers file or use the 'sudo -l' command to discover user privileges.

    Indicator:

    Process action type = execution AND target process cmd = */etc/sudoers* , *sudo *-l* , *sudo *--list* Process initiator cmd != *chef* AND *puppet* AND *salt-minion* AND cgo cmd != *chef* AND *puppet* AND *salt-minion* AND initiated by != chef-client AND BESClient AND crod AND crond AND cgo name != chef-client AND BESClient AND crod AND crond

    ATT&CK tactics: Discovery (TA0007) Privilege Escalation (TA0004)
    ATT&CK techniques: Account Discovery (T1087) Abuse Elevation Control Mechanism: Sudo and Sudo Caching (T1548.003)
    Preventable:
    Yes
    Source:
    Palo Alto Networks
    Updated:
    2026-08-23