import logging FORMAT = "[%(levelname)s] %(name)s %(filename)s:%(lineno)d: %(message)s" logging.basicConfig(format=FORMAT) logging.getLogger().setLevel(logging.DEBUG) import androscalpel as asc import zipfile as z from androscalpel import * # APK_NAME = "test.apk" APK_NAME = __file__.removesuffix("test.py") + "/apk_frauder/app-release.apk" DEX_NAME = "classes.dex" with z.ZipFile(APK_NAME) as zipf: with zipf.open(DEX_NAME, "r") as dex: dex = dex.read() apk = asc.Apk() apk.add_dex_file(dex) clazz_id = IdType("Lcom/example/testapplication/ui/home/HomeViewModel;") proto_id = IdMethodType(IdType("Ljava/lang/String;"), []) method_id = IdMethod("text_gen", proto_id, clazz_id) clazz = apk.classes[clazz_id] method = clazz.virtual_methods[method_id] code = method.code # logging.getLogger().setLevel(logging.ERROR) # # print(f"Code of {method_id}") # for i in code.insns: # print(i) # # new_insns = [] # for i in code.insns: # if isinstance(i, asc.ins.ConstString): # if i.lit == "Hello": # i = asc.ins.ConstString(i.reg, DexString("Degemer Mat")) # elif i.lit == "Bye": # i = asc.ins.ConstString(i.reg, DexString("Kenavo")) # new_insns.append(i) # ## This need improving! # code = asc.Code(code.registers_size, code.ins_size, code.outs_size, new_insns) # apk.set_method_code(method_id, code) ## apk.set_method_code(method.descriptor, code) # # clazz = apk.classes[clazz_id] # method = clazz.virtual_methods[method_id] # code = method.code # # print(f"Code of {method_id}") # for i in code.insns: # print(i) # # dex_raw = apk.gen_raw_dex() # assert len(dex_raw) == 1 # with open(DEX_NAME, "wb") as file: # file.write(dex_raw[0]) # # # with open(DEX_NAME, "rb") as file: # dex = file.read() # new_apk = asc.Apk() # new_apk.add_dex_file(dex) # # clazz = new_apk.classes[clazz_id] # method = clazz.virtual_methods[method_id] # code = method.code # # print(f"Code of {method_id} in new apk") # for i in code.insns: # print(i)