Posts tagged with "reverse engineering" | b4r

bypassing pairip with manual modification

bypassing java-side pairip checks in a modded android app by removing manifest-registered components, rebuilding, and signing again

b b4r
June 17, 2026
3 min read

android mobile modding reverse engineering
the type of an ordinary ransomware challs

a writeup of ara7ctf 2026 for/horseman

b b4r
February 7, 2026
4 min read

digital forensic reverse engineering ransomware ctf
reversing linux kernel is easy (?)

a writeup of astroctf 2025 rev/ghost

b b4r
December 19, 2025
1 min read

reverse engineering linux kernel ctf