suidshow.c is a linux lkm that will log any non-root user doing a setuid(0) or a setreuid(0,0) system call. CyberPsychotic
You can download it from the following link: https://packetstormsecurity.com/files/download/11626/suidshow.c
Source: https://packetstormsecurity.com/files/11626/suidshow.c.html