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scrap-is-not-scrap
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minor doc

master
JoYo 2019-02-19 00:15:48 +00:00
parent 001641dfb9
commit 908248905a
1 changed files with 22 additions and 5 deletions
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27
sins/run.py
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@ -6,10 +6,26 @@ from random import randint
import binascii
import ctypes
import logging
import subprocess
import mmap
seed_shell = b'\x55\x90\x48\x89\xe5\x90\x48\x89\x7d\xf8\x90\x48\x8b\x45\xf8\x90\x5d\x90\xc3'
template_shell = b''.join([
b'\x55', # push rbp
b'\x48\x89\xe5', # mov rbp,rsp
b'\x48\x89\x7d\xf8', # mov QWORD [rbp-0x8],rdi
b'\x48\x8b\x45\xf8', # mov rax,QWORD [rbp-0x8]
b'\x5d', # pop rbp
b'\xc3']) # ret
seed_shell = b''.join([
b'\x55',
b'\x48\x89\xe5',
b'\x90' * randint(8, 64),
b'\x48\x89\x7d\xf8',
b'\x90' * randint(8, 64),
b'\x48\x8b\x45\xf8',
b'\x5d',
b'\xc3'])
def shell_func(shellcode: bytes):
prot = mmap.PROT_READ | mmap.PROT_WRITE | mmap.PROT_EXEC
@ -68,10 +84,11 @@ def sins():
with seed.open('rb') as seed_file:
seed_data = seed_file.read()
logger.info(f'seed_data\n{seed_data}')
logger.info(f'seed_len: {len(seed_data)}')
seed_len = ctypes.c_uint(len(seed_data))
logger.info(f'seed_data\n{binascii.b2a_hex(seed_data)}')
logger.info(f'seed_len: {seed_len}')
seed = shell_func(seed_shell)
ret_val = seed(ctypes.c_uint(len(seed_data)))
ret_val = seed(seed_len)
logger.info(f'ret_val: {ret_val}')