Security
3 posts filed under category “Security”.
Defeating code virtualization: a keygen for a VM-protected crackme
Inside the virtual machine: an anti-single-step trap, a decoy that corrupts the value you are watching but only when your serial is right, and the fifteen lines of...
Unpacking a self-defending Windows crackme
Every section empty on disk, a three layer packer, hash-resolved imports, and a background thread that kills the process 200 ms after you patch the branch. Part one...
The git hook trojan: a client sent me malware hidden in .git/hooks
An inbound sales lead, a couple of discovery calls, a zip file with a 'healthcare supply chain' repo inside. The working tree was clean. The malware was in...