init

2.py

@@ -0,0 +1,70 @@
+import os
+import sys,re
+import pyinstxtractor
+
+exe_file=r"D:/xx.exe"
+sys.argv = ['pyinstxtractor', exe_file]
+pyinstxtractor.main()
+
+# 2. 预处理pyc文件修护校验头
+
+def find_main(pyc_dir):
+    for pyc_file in os.listdir(pyc_dir):
+        if not pyc_file.startswith("pyi-") and pyc_file.endswith("manifest"):
+            main_file = pyc_file.replace(".exe.manifest", "")
+            result = f"{pyc_dir}/{main_file}"
+            if os.path.exists(result):
+                return main_file
+
+pyc_dir = os.path.basename(exe_file)+"_extracted"
+main_file = find_main(pyc_dir)
+main_file
+
+# 读取从pyz目录抽取的pyc文件的前4个字节作基准：
+
+pyz_dir = f"{pyc_dir}/PYZ-00.pyz_extracted"
+for pyc_file in os.listdir(pyz_dir):
+    if pyc_file.endswith(".pyc"):
+        file = f"{pyz_dir}/{pyc_file}"
+        break
+with open(file, "rb") as f:
+    head = f.read(4)
+list(map(hex, head))
+
+# ['0x42', '0xd', '0xd', '0xa']
+
+# 校准入口类：
+
+import shutil
+if os.path.exists("pycfile_tmp"):
+    shutil.rmtree("pycfile_tmp")
+os.mkdir("pycfile_tmp")
+main_file_result = f"pycfile_tmp/{main_file}.pyc"
+with open(f"{pyc_dir}/{main_file}", "rb") as read, open(main_file_result, "wb") as write:
+    write.write(head)
+    write.write(b"\0"*12)
+    write.write(read.read())
+
+# 校准子类：
+
+pyz_dir = f"{pyc_dir}/PYZ-00.pyz_extracted"
+for pyc_file in os.listdir(pyz_dir):
+    pyc_file_src = f"{pyz_dir}/{pyc_file}"
+    pyc_file_dest = f"pycfile_tmp/{pyc_file}"
+    print(pyc_file_src, pyc_file_dest)
+    with open(pyc_file_src, "rb") as read, open(pyc_file_dest, "wb") as write:
+        write.write(read.read(12))
+        write.write(b"\0"*4)
+        write.write(read.read())
+
+# 3. 开始反编译
+
+from uncompyle6.bin import uncompile
+
+if not os.path.exists("py_result"):
+    os.mkdir("py_result")
+for pyc_file in os.listdir("pycfile_tmp"):
+    sys.argv = ['uncompyle6', '-o',
+                f'py_result/{pyc_file[:-1]}', f'pycfile_tmp/{pyc_file}']
+    uncompile.main_bin()
+

README.md

@@ -0,0 +1,15 @@
+## decompile-python
+
+反编译python项目
+
+
+### 步骤
+
+1、提取 exe 中的pyc文件
+
+
+2、pyc文件预处理
+
+
+3、pyc文件批量反编译
+

requirements.txt

@@ -0,0 +1,3 @@
+pyinstaller
+tinyaes        
+uncompyle6