Created
April 10, 2024 07:24
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Batch script to decompile an extracted dyld_shared_cache with IDA Pro
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| import os | |
| from multiprocessing.pool import ThreadPool | |
| IDA_DIR_PATH = "C:/Users/user/Desktop/ida77" | |
| FILES_PATH = "C:/Users/user/Desktop/dsc_extract_16.6.1" | |
| class Context: | |
| def __init__(self, command, dir): | |
| self.command = command | |
| self.dir = dir | |
| analysis_contexts = [] | |
| decompile_contexts = [] | |
| macho64_magic = bytes([0xcf, 0xfa, 0xed, 0xfe]) | |
| for dirpath, dirnames, filenames in sorted(os.walk(FILES_PATH)): | |
| for filename in filenames: | |
| os.chdir(dirpath) | |
| # Analyze files without an extension | |
| with open(filename, 'rb') as fd: | |
| first_4_bytes = fd.read(4) | |
| is_macho64 = first_4_bytes == macho64_magic | |
| if is_macho64: | |
| analyze_cmd = f"{IDA_DIR_PATH}/idat64 -B {filename}" | |
| analysis_contexts.append(Context(analyze_cmd, dirpath)) | |
| decompile_cmd = f"{IDA_DIR_PATH}/idat64 -Ohexrays:{filename}.c:ALL -A {filename}" | |
| decompile_contexts.append(Context(decompile_cmd, dirpath)) | |
| def analyze(ctx): | |
| os.chdir(ctx.dir) | |
| print("Analyzing", ctx.command, end="\n\n") | |
| os.system(ctx.command) | |
| def decompile(ctx): | |
| os.chdir(ctx.dir) | |
| print(f"Decompiling {ctx.command}", end="\n\n") | |
| os.system(ctx.command) | |
| # Create max amount of threads | |
| pool = ThreadPool(None) | |
| pool.map(analyze, analysis_contexts) | |
| pool.map(decompile, decompile_contexts) | |
| print("Batch decompile complete") | |
| wait = input() |
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