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implement method code setter in apk struct

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This commit is contained in:
Jean-Marie 'Histausse' Mineau 2024-01-23 17:08:37 +01:00
parent 8dce87d569
commit 3a6edf1aa2
Signed by: histausse
GPG key ID: B66AEEDA9B645AD2
3 changed files with 37 additions and 12 deletions
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29
test.py
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@ -9,7 +9,7 @@ import zipfile as z
from androscalpel import *
# APK_NAME = "test.apk"
APK_NAME = "/home/histausse/workspace/androscalpel/apk_frauder/app-release.apk"
APK_NAME = __file__.removesuffix("test.py") + "/apk_frauder/app-release.apk"
DEX_NAME = "classes.dex"
with z.ZipFile(APK_NAME) as zipf:
@ -25,13 +25,16 @@ method_id = IdMethod("text_gen", proto_id, clazz_id)
clazz = apk.classes[clazz_id]
method = clazz.virtual_methods[method_id]
code = method.code
print("Code of {method_id}")
for i in method.code.insns:
logging.getLogger().setLevel(logging.ERROR)
print(f"Code of {method_id}")
for i in code.insns:
print(i)
new_insns = []
for i in method.code.insns:
for i in code.insns:
if isinstance(i, asc.ins.ConstString):
if i.lit == "Hello":
i.lit = DexString("Degemer Mat")
@ -40,11 +43,19 @@ for i in method.code.insns:
new_insns.append(i)
# This need improving!
new_code = method.code
new_code.insns = new_insns
method.code = new_code
clazz.virtual_methods[method_id] = method
apk.classes[clazz_id] = clazz
code.insns = 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 + ".out", "wb") as file:
file.write(dex_raw[0])