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import sys
import androguard
from karton.core import Karton, Task
from .__version__ import __version__
class Android(Karton):
"""
Augment apk files with various information.
"""
identity = "karton.android"
version = __version__
filters = [
{"type": "sample", "extension": "apk"},
]
def process(self, task: Task) -> None:
sample = task.get_resource("sample")
a = androguard.core.bytecodes.apk.APK(sample)
if not a.is_valid_APK():
self.log.info("Not a valid APK file.")
return
metadata = {
'package': a.package,
'sample': sample,
'activities': a.get_activites(),
'main_activity': a.get_main_activity(),
'permissions': a.get_permissions(),
}
if a.is_signed() or a.is_signed_v3():
metadata['certificate'] = a.get_certificates()[0].sha1_fingerprint.replace(" ", "")
self.send_task(
Task(
headers={"type": "sample", "stage": "analyzed"},
payload=metadata)
)
if __name__ == "__main__":
Android().loop()
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