pin demonstration

pin_break.py

import os

def testChar(_char):
	os.system("echo '"+_char+"' | ../../../pin -t obj-intel64/inscount0.so -- ~/Downloads/break")

def getInstr():
	return os.popen("cat inscount.out").read()

ascii_list = [chr(x) for x in range(48,127)]
ans = ""

while ans[-1] != '}':
	curr_instr = 0
	max_instr = 0
	max_char = ''

	for j,char in enumerate(ascii_list):
		testChar(ans + char)
		curr_instr = int(getInstr()[6:-1])

		if (curr_instr > max_instr):
			max_instr = curr_instr
			max_char = char

	ans = ans + max_char
	print(">>> Current Answer:", ans)