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85 lines
2.6 KiB
Python
85 lines
2.6 KiB
Python
# Mobile Verification Toolkit (MVT)
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# Copyright (c) 2021-2023 The MVT Authors.
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# Use of this software is governed by the MVT License 1.1 that can be found at
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# https://license.mvt.re/1.1/
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from .artifact import AndroidArtifact
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class DumpsysPackageActivitiesArtifact(AndroidArtifact):
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def check_indicators(self) -> None:
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if not self.indicators:
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return
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for activity in self.results:
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ioc = self.indicators.check_app_id(activity["package_name"])
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if ioc:
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activity["matched_indicator"] = ioc
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self.detected.append(activity)
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continue
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def parse(self, content: str):
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"""
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Parse the Dumpsys Package section for activities
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Adds results to self.results
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:param content: content of the package section (string)
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"""
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self.results = []
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in_activity_resolver_table = False
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in_non_data_actions = False
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intent = None
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for line in content.splitlines():
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if line.startswith("Activity Resolver Table:"):
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in_activity_resolver_table = True
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continue
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if not in_activity_resolver_table:
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continue
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if line.startswith(" Non-Data Actions:"):
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in_non_data_actions = True
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continue
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if not in_non_data_actions:
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continue
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# If we hit an empty line, the Non-Data Actions section should be
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# finished.
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if line.strip() == "":
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break
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# We detect the action name.
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if (
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line.startswith(" " * 6)
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and not line.startswith(" " * 8)
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and ":" in line
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):
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intent = line.strip().replace(":", "")
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continue
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# If we are not in an intent block yet, skip.
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if not intent:
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continue
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# If we are in a block but the line does not start with 8 spaces
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# it means the block ended a new one started, so we reset and
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# continue.
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if not line.startswith(" " * 8):
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intent = None
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continue
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# If we got this far, we are processing receivers for the
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# activities we are interested in.
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activity = line.strip().split(" ")[1]
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package_name = activity.split("/")[0]
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self.results.append(
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{
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"intent": intent,
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"package_name": package_name,
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"activity": activity,
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}
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)
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