From 4cb44525dc7b4acdda3574f70280d8dae2456ce0 Mon Sep 17 00:00:00 2001
From: JoYo <>
Date: Tue, 19 Feb 2019 03:33:56 +0000
Subject: [PATCH] reorganizing functions

---
 sins/mutation.py | 49 +++++++++++++++++++++++++++++++++++++++++++++
 sins/run.py      | 52 +++---------------------------------------------
 2 files changed, 52 insertions(+), 49 deletions(-)
 create mode 100644 sins/mutation.py

diff --git a/sins/mutation.py b/sins/mutation.py
new file mode 100644
index 0000000..7c3d290
--- /dev/null
+++ b/sins/mutation.py
@@ -0,0 +1,49 @@
+#! /usr/bin/env python3
+from multiprocessing import Queue
+from random import randint
+import ctypes
+import mmap
+
+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 flip(shellcode: bytes):
+    shellcode = bytearray(shellcode)
+    offset = randint(0, len(shellcode) - 1)
+    flip = randint(0, 255)
+    shellcode[offset] ^= flip
+    return bytes(shellcode)
+
+
+def generation(queue: Queue, shellcode: bytes):
+    prot = mmap.PROT_READ | mmap.PROT_WRITE | mmap.PROT_EXEC
+    flags = mmap.MAP_ANONYMOUS | mmap.MAP_PRIVATE
+    exec_mem = mmap.mmap(-1, len(shellcode), prot=prot, flags=flags)
+
+    exec_mem.write(shellcode)
+    ctypes_buffer = ctypes.c_int.from_buffer(exec_mem)
+    addr = ctypes.addressof(ctypes_buffer)
+
+    function = ctypes.CFUNCTYPE(ctypes.c_uint, ctypes.c_uint)(addr)
+    function._avoid_gc_for_mmap = exec_mem
+
+    shellcode_len = ctypes.c_uint(len(shellcode))
+    result = function(shellcode_len)
+
+    queue.put(result)
diff --git a/sins/run.py b/sins/run.py
index 836d654..3f7fdc7 100755
--- a/sins/run.py
+++ b/sins/run.py
@@ -1,58 +1,12 @@
 #! /usr/bin/env python3
 from argparse import ArgumentParser
 from datetime import datetime
-from pathlib import Path
-from random import randint
 from multiprocessing import Process, Queue
+from pathlib import Path
 from queue import Empty
-import binascii
-import ctypes
 import logging
-import mmap
 
-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 flip(shellcode: bytes):
-    shellcode = bytearray(shellcode)
-    offset = randint(0, len(shellcode) -1)
-    flip = randint(0, 255)
-    shellcode[offset] ^= flip
-    return bytes(shellcode)
-
-
-def generation(queue: Queue, shellcode: bytes):
-    prot = mmap.PROT_READ | mmap.PROT_WRITE | mmap.PROT_EXEC
-    flags = mmap.MAP_ANONYMOUS | mmap.MAP_PRIVATE
-    exec_mem = mmap.mmap(-1, len(shellcode), prot=prot, flags=flags)
-
-    exec_mem.write(shellcode)
-    ctypes_buffer = ctypes.c_int.from_buffer(exec_mem)
-    addr = ctypes.addressof(ctypes_buffer)
-
-    function = ctypes.CFUNCTYPE(ctypes.c_uint, ctypes.c_uint)(addr)
-    function._avoid_gc_for_mmap = exec_mem
-
-    shellcode_len = ctypes.c_uint(len(shellcode))
-    result = function(shellcode_len)
-
-    queue.put(result)
+from .mutation import generation, flip, seed_shell
 
 
 def sins():
@@ -63,7 +17,7 @@ def sins():
     parser.add_argument('-s', '--seed', help='path to PIC image.')
     parser.add_argument('-o', '--output', help='path to results directory.')
     parser.add_argument('-l', '--lineage', default=10,
-        help='max count of unsuccessful generation.')
+                        help='max count of unsuccessful generation.')
     args = parser.parse_args()
 
     log_level = logging.INFO