From eda974768d3137bc483240d109462166a7f9483b Mon Sep 17 00:00:00 2001 From: "Mariusz B. / mgeeky" Date: Sat, 23 Oct 2021 13:31:09 +0200 Subject: [PATCH] Fixed findSymbols.py --- windows/findSymbols.py | 22 ++++++++++++++++++++-- 1 file changed, 20 insertions(+), 2 deletions(-) diff --git a/windows/findSymbols.py b/windows/findSymbols.py index c3591e6..8cb2357 100644 --- a/windows/findSymbols.py +++ b/windows/findSymbols.py @@ -246,6 +246,14 @@ def processDir(args, regexes, path, results, uniqueSymbols, filesProcessed, symb for file in glob.glob(os.path.join(path, '**'), recursive=args.recurse): try: + if len(args.extension) > 0: + skip = False + for ext in args.extension: + if not file.lower().endswith(f'.{ext}'): + skip = True + if skip: + continue + if os.path.isfile(file): looks_like_pe = False with open(file, 'rb') as f: @@ -254,7 +262,9 @@ def processDir(args, regexes, path, results, uniqueSymbols, filesProcessed, symb looks_like_pe = (mz[0] == ord('M') and mz[1] == ord('Z')) or (mz[1] == ord('M') and mz[0] == ord('Z')) if looks_like_pe: filePaths.append(file) - except: + + except Exception as e: + verbose(args, f'[-] Could not open file: ({file}). Exception: {e}') continue cpu_count = multiprocessing.cpu_count() @@ -265,6 +275,9 @@ def processDir(args, regexes, path, results, uniqueSymbols, filesProcessed, symb arguments = [[args, regexes, _path, results, uniqueSymbols, filesProcessed, symbolsProcessed] for _path in filePaths] out(f'[.] Will scan {len(filePaths)} files...') + if len(filePaths) > 5000: + out(f'[.] Be patient that\'s gonna take a long while...') + res = pool.map(processFileWorker, arguments) except KeyboardInterrupt: @@ -283,6 +296,7 @@ def opts(argv): params.add_argument('-r', '--recurse', action='store_true', help='If is a directory, perform recursive scan.') params.add_argument('-v', '--verbose', action='store_true', help='Verbose mode.') params.add_argument('-f', '--format', choices=['text', 'json'], default='text', help='Output format. Text or JSON.') + params.add_argument('-E', '--extension', default=[], action='append', help='Extensions of files to scan. By default will scan all files. Can be repeated: -E exe -E dll') sorting = params.add_argument_group('Output sorting') sorting.add_argument('-u', '--unique', action='store_true', help = 'Return unique symbols only. The first symbol with a name that occurs in results, will be returned.') @@ -325,6 +339,10 @@ def opts(argv): for not_module in args.not_module: regexes['not-module'].append((not_module, re.compile(accomodate_rex(not_module), re.I))) + for i in range(len(args.extension)): + args.extension[i] = args.extension[i].lower() + if args.extension[i].startswith('.'): args.extension[i] = args.extension[i][1:] + return args, regexes def main(): @@ -334,7 +352,7 @@ def main(): symbolsProcessed = Manager().Value('i', 0) out(''' - :: scanSymbols.py - Searches PE Import/Exports based on supplied conditions. + :: findSymbols.py - Finds PE Import/Exports based on supplied filters. Mariusz B. / mgeeky, '21