david wong

Hey! I'm David, a security consultant at Cryptography Services, the crypto team of NCC Group . This is my blog about cryptography and security and other related topics that I find interesting.

Hack of the Day: How do I run untrusted shell code?

posted October 2014

I've run into a nice series of video called "hack of the day" from Vivek-Ramachandran.

In this first video he explains two techniques :

  • jump-call-pop
  • xor decoding

I also got nice tips like the examining string function in gdb : x/s $ebx or the folder usr/include/asm that contains plenty of information about assembly.

The full playlist can be found on securitytube.net

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