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apkinfo.py
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apkinfo.py
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import argparse
import os
import sys
import zipfile
import subprocess
from apkutils import APK
import platform
import re
import json
class APKInfo():
def __init__(self, apk_path):
self.apk_path = os.path.abspath(apk_path)
self.base_path = os.path.abspath(os.path.dirname(__file__))
self.apk = None
self.result_path = None
self.apk_name = None
self.shell_type = None
self.patterns = None
self.pattern_file = None
self.shellfeatures = None
self.check()
def shell_detect(self):
try:
zipfiles = zipfile.ZipFile(self.apk_path)
namelist = zipfiles.namelist() # 得到压缩包里所有文件
# zipfiles.extractall(path=os.path.join(
# self.result_path, "files")) # 解压zip到result目录下
for filename in namelist:
for k, v in self.shellfeatures.items():
for shell in v:
if shell in filename:
shell_type = k
return True, shell_type
except:
pass
return False, "未加壳"
def dex2jar(apk_path, savePath):
try:
subprocess.run(
f"{dex2jar_path} --force {apk_path} --output {os.path.join(savePath, 'classed-dex2jar.jar')}",
shell=True)
return True
except:
pass
return False
def manifest(self):
with open(os.path.join(self.result_path, "AndroidManifest.xml"),
"w",
encoding='utf-8') as f:
f.write(self.apk.get_manifest())
print(
f"{self.apkname}基础信息:package: {self.apk.package_name} Version: {self.apk._version_name} MainActivity: {self.apk.get_manifest_main_activities()}"
)
def signinfo(self):
try:
# 获取签名信息
for k, _ in self.apk.get_certs():
print(f"{self.apkname}签名信息:Signer:{k}")
except:
pass
def finder(self, name, pattern, strings):
matcher = re.compile(pattern)
found = []
for string in strings:
mo = matcher.search(string)
if mo:
found.append(mo.group())
return sorted(list(set(found)))
def save(self, name, found):
if not found:
return
with open(os.path.join(self.result_path, name), "a",
encoding='utf-8') as f:
f.write("\n".join(found))
def detect_strings(self):
strings = set()
for string in self.apk.get_dex_strings():
try:
strings.add(string.decode(encoding="UTF-8"))
except:
pass
with open(os.path.join(self.result_path, "strings.txt"),
"w",
encoding='utf-8') as f:
for string in strings:
f.write(f"{string}\n")
for name, pattern in self.patterns.items():
if isinstance(pattern, list):
for p in pattern:
found = self.finder(name, p, strings)
self.save(name, found)
else:
found = self.finder(name, pattern, strings)
self.save(name, found)
def check(self):
print(f"下面开始分析:{self.apk_path}")
if not os.path.exists(self.apk_path):
raise (f"当前文件不存在")
_, self.apkname = os.path.split(apk_path)
self.result_path = os.path.join(self.base_path, "result", self.apkname)
if not os.path.exists(self.result_path):
os.makedirs(self.result_path)
else:
print(f"{self.apkname}: 检测到文件已经分析过,将会覆盖")
self.pattern_file = os.path.join(self.base_path, "config", "keys.json")
with open(self.pattern_file, encoding='utf-8') as f:
self.patterns = json.load(f)
shell_path = os.path.join(self.base_path, "config", "shell.json")
with open(shell_path, encoding='utf-8') as f:
self.shellfeatures = json.load(f)
def analyse(self):
# 先解压 + 查壳
print(f"{self.apkname}: 开始查壳...")
flag, self.shell_type = self.shell_detect()
if flag:
print(f"{self.apkname}: 经检测,该apk使用了{self.shell_type}进行加固")
return
else:
print(f"{self.apkname}: 未检测到壳")
self.apk = APK.from_file(self.apk_path)
print(f"{self.apkname}: 下面开始解析apk...")
# 解析manifest获取apk信息
self.manifest()
# 查看签名
self.signinfo()
# 字符串解析,查找敏感字符串
self.detect_strings()
print(f"{self.apkname}: 分析结束,结果保存在{self.result_path}")
if __name__ == '__main__':
parser = argparse.ArgumentParser(description='apk信息提取')
parser.add_argument('-a', '--apk', help='指定apk路径')
parser.add_argument('-d', '--dir', help='指定apk路径')
args = parser.parse_args()
apks = []
if args.apk:
apks.append(args.apk)
if args.dir:
for filename in os.listdir(args.dir):
if filename.endswith(".apk"):
apks.append(os.path.join(args.dir, filename))
if not apks:
print(f"请使用-a或者-f指定apk")
sys.exit()
for apk_path in apks:
try:
apk = APKInfo(apk_path)
apk.analyse()
except Exception as e:
print(f"{apk_path}出错: {e}")
import traceback
traceback.print_exc()