Files
SnakeAppleSecurityFiles/I. Mach-O/python/MachOFileFinder.py

83 lines
3.3 KiB
Python
Executable File

#!/usr/bin/env python3
import os
import magic
import sys
import argparse
# Mapping for known file types based on `python-magic` output strings
FILE_TYPE_MAP = {
"bundle": "BUNDLE",
"dSYM companion file": "DSYM",
"dynamic linker": "DYLINKER",
"kext bundle": "KEXT_BUNDLE",
"dynamically linked shared library": "DYLIB",
"dynamically linked shared library stub": "DYLIB_STUB",
"preload executable": "PRELOAD",
"fixed virtual memory shared library": "FVMLIB",
"core": "CORE",
"object": "OBJECT",
"executable": "EXECUTE"
}
class MachOFileFinder:
'''Class for finding Mach-O binaries in a given directory, with an option to filter for ARM64 architecture only.'''
def __init__(self, directory_path, recursive=False, only_arm64=False):
'''Initialize the directory path, recursive flag, and architecture filter.'''
self.directory_path = directory_path
self.recursive = recursive
self.only_arm64 = only_arm64
def is_mach_o(self, file_path):
'''Check if a file is a Mach-O binary and optionally filter by ARM64 architecture.'''
try:
mime = magic.Magic()
file_type = mime.from_file(file_path)
# Check if it's a Mach-O file and filter by ARM64 if needed
if "Mach-O" in file_type:
if self.only_arm64 and "arm64" not in file_type:
return None
return file_type
except Exception:
pass # Ignore errors for non-Mach-O files or inaccessible files
return None
def map_file_type(self, file_type):
'''Map the file type string from python-magic to the required output format.'''
for key, label in FILE_TYPE_MAP.items():
if key in file_type:
return label
return "UNKNOWN" # Default to UNKNOWN if no known type is found
def process_directory(self, root, files):
'''Process all files in the specified directory.'''
for file_name in files:
file_path = os.path.abspath(os.path.join(root, file_name))
file_type = self.is_mach_o(file_path)
if file_type:
mapped_type = self.map_file_type(file_type)
print(f"{mapped_type}:{file_path}")
def process_files(self):
'''Process files based on the specified search type.'''
for root, dirs, files in os.walk(self.directory_path):
self.process_directory(root, files)
if not self.recursive:
break # Stop if not searching recursively
if __name__ == "__main__":
parser = argparse.ArgumentParser(description='Find Mach-O binaries in a directory with an option to filter for ARM64.')
parser.add_argument('path', metavar='PATH', type=str, help='the directory path to search for Mach-O binaries')
parser.add_argument('-r', '--recursive', action='store_true', help='search recursively (default: false)')
parser.add_argument('--only_arm64', action='store_true', help='only match ARM64 architecture binaries')
args = parser.parse_args()
directory_path = args.path
if not os.path.isdir(directory_path):
print(f"Error: {directory_path} is not a valid directory.")
sys.exit(1)
macho_finder = MachOFileFinder(directory_path, recursive=args.recursive, only_arm64=args.only_arm64)
macho_finder.process_files()