Description
This module searches for rootkits which use signals to elevate process privileges to UID 0 (root).
Some rootkits install signal handlers which listen for specific signals to elevate process privileges. This module identifies these rootkits by sending signals and observing UID switching to root.
This module has been tested successfully with:
Singularity 5b6c4b6 (2025-10-19) on Ubuntu 24.04 kernel 6.14.0-33-generic (x64); Diamorphine 2337293 (2023-09-20) on Ubuntu 22.04 kernel 5.19.0-38-generic (x64); Codeine 9644336 (2025-09-02) on Ubuntu 22.04 kernel 5.19.0-38-generic (x64).
Module options
To display the available options, load the module within the Metasploit console and run the commands 'show options' or 'show advanced':
msf > use exploit/linux/local/rootkit/privesc_signal_huntermsf undefined(privesc_signal_hunter) > show actions ...actions...msf undefined(privesc_signal_hunter) > set ACTION < action-name >msf undefined(privesc_signal_hunter) > show options ...show and set options...msf undefined(privesc_signal_hunter) > runPrioritise with Active Threat Intelligence
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