voidsecurity

The binary simply reads integers from user, performs floating point operations on it and stores it in a mmap'ed region with RW...

butterfly is a 64 bit executable with NX and stack canaries enabled. [+] The binary reads 50 bytes through fgets, converts it t...

Cman is a 64 bit statically linked and stripped ELF without NX protection. I used IDA's sigmake to generate libc signatures f...

sandman is a 64 bit ELF without much memory protections $ checksec --file ./sandman RELRO STACK CANARY NX ...

The binary allocates memory using mmap as below: mmap(NULL, 12288, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0) = 0x7ffff7ff3000 ...

This challenge is about python pickle. The remote script fetches the flag as below: class Flag(object): def __init__(self): ...

My solutions for Flare-On reversing challenges is here FireEye published some statistics in there blog - Official Solutions an...