Frolic easy linux ✓ ▶ ROP / ret2libc (root) Directory brute forcing Malicious file upload Public CVE exploitation Hash cracking SUID binaries ROP / ret2libc Stack buffer overflow
October medium linux ✓ ▶ ROP / ret2libc (root) CMS exploitation Default credentials Malicious file upload SUID binaries ROP / ret2libc Stack buffer overflow
Retired medium linux ✓ ▶ ROP / ret2libc (foothold) Directory brute forcing LFI / path traversal Reverse engineering ROP / ret2libc Stack buffer overflow Cron jobs and processes SSH keys Symlink abuse Linux capabilities