# RepusPing: MntcrlCTF 2026
4 min read
A nice exit function overwrite on the newest libc version.
Welcome to my blog. I’m David Hermes (Ub1k), a cybersecurity student at the University of Genoa specializing in binary exploitation. This site documents my work, research, and learning in security, systems, and technology.
Latest Posts
# exit_func: a general guide
8 min read
The beloved exit function exploitation technique but this time in a separate post.
# setjmp: jmp_buf exploitation
4 min read
about the internal structure of jmp_buf, pointer mangling and how to exploit it.