android第三方库检测器源码

适用于 Android 应用程序的抗混淆、高精度和可靠的库检测器。LibPecker 采用签名匹配来给出给定库和应用程序之间的相似度分数。通过充分利用库内的内部类依赖关系,LibPecker 为每个类生成严格的签名。为了尽可能容忍库代码定制和消除,LibPecker在计算库相似度时引入了自适应类相似度阈值和加权类相似度分数。为了定量评估 LibPecker 的精确度和召回率,我们使用大量库和应用程序进行了第一个此类实验

快速开始

LibPecker 接受两个输入:Android 应用程序(.apk 文件)和库(.dex 文件)。LibPecker 返回一个相似度来描述可以在应用程序中找到多少库代码。

java -jar LibPecker.jar <apk_path> <lib_path>

要转换库文件(如.jar/.aar文件),可以在bin目录下使用dx命令。

#####Linux

./bin/dx --dex --output=<lib_dex> <lib_jar_path>

#####视窗

./bin/dx.sh --dex --output=<lib_dex> <lib_jar_path>

测试

我们还在测试目录中提供了一些测试用例。要测试这些情况,您可以运行此命令。

java -cp LibPecker.jar -Xmx4G cn.fudan.libpecker.main.TestDriver

预期输出如下所示。

=== pass test: test/apk/3f217d600168e62b062b4c424ef4224d.apk test/lib/7f799553d1957873a92a2cf96b85ef2625195788ebbf6d7ae83ff3263c114c53.dex
similarity: 0.5920433145009416
=== pass test: test/apk/3f217d600168e62b062b4c424ef4224d.apk test/lib/9798a656af89d4f6e6c0d7ad60e4863347d89503a795381e51f6e463dc32fd6d.dex
similarity: 0.14186450492182975
=== pass test: test/apk/3f217d600168e62b062b4c424ef4224d.apk test/lib/a4564e66bacf765a2cd403d274c49380dc067c4ca2449e68fa6201da2ea783d9.dex
similarity: 0.35957322333349556
=== pass test: test/apk/3f217d600168e62b062b4c424ef4224d.apk test/lib/5277a56f0c4f8a18a35a2d7e020b0546436eb81c4b5c4e492dc3cfa36436e0b4.dex
similarity: 0.5954615408654523
=== pass test: test/apk/482c5db677fbf14040c93ddeb3714526.apk test/lib/163f8315a054e25db69d7b2b8aa6097804d1d4d30003dda4ff07be21678b9587.dex
similarity: 0.33905778602924114
=== pass test: test/apk/482c5db677fbf14040c93ddeb3714526.apk test/lib/af5b684ea74defaea3a8cdc5e67bebd9ed527673c6d00b691365e7c23319da67.dex
similarity: 0.0626696274364668
=== pass test: test/apk/482c5db677fbf14040c93ddeb3714526.apk test/lib/a873ffc1d69a6d38fff2bc9b17250963f09ee934aa8f86d2abb0ba80a4d4a38f.dex
similarity: 0.5981256669903423
=== pass test: test/apk/d11006c50e299a18539c6411285660a4.apk test/lib/e466ea56ddb39d05c43912dbafcd42ae5e178e80f5ebd1e7c0c3682e040ef4a6.dex
similarity: 0.9995280792826807
=== pass test: test/apk/d11006c50e299a18539c6411285660a4.apk test/lib/1ddc4f3804cdf219ae7feaf4647a5e1d79bfc1863208fac98cba54bf4b282994.dex
similarity: 1.0
=== pass test: test/apk/bb1ae8661d82b36fa26f9fe9801943c7.apk test/lib/bdabe04fa6179d13e590f6173acbc94d9ffdbc4b4a9310a989e30820c27b94e8.dex
similarity: 1.0
=== pass test: test/apk/bb1ae8661d82b36fa26f9fe9801943c7.apk test/lib/b46bf10c7a9e4dfa24c88f87d34a9dfb5248f7718f392e1518099f8d9f69cca5.dex
similarity: 0.9490735206216379
=== pass test: test/apk/b75eef27fd4b3f5c65a8a1c7eb677d05.apk test/lib/b42266a9b224e604911716c43bf2516cce03ad551d7db213747297efd866182c.dex
similarity: 1.0
=== pass test: test/apk/b75eef27fd4b3f5c65a8a1c7eb677d05.apk test/lib/967af7be58c4efde245efea26e544d4dabb351f09f396f41b40c78d32c2723a0.dex
similarity: 0.9999999999999998
=== pass test: test/apk/b75eef27fd4b3f5c65a8a1c7eb677d05.apk test/lib/cf0d095b6db6ecedd56654228db442f152c1445d07d9cca14c6a147b2c730f5a.dex
similarity: 0.9672300793377027
=== pass test: test/apk/b75eef27fd4b3f5c65a8a1c7eb677d05.apk test/lib/bc626e62b8783e095b3fd857423ef7713de12b2a9e89fa3280e45f5a9fdd7de7.dex
similarity: 0.9708244371118012
=== pass test: test/apk/b75eef27fd4b3f5c65a8a1c7eb677d05.apk test/lib/e466ea56ddb39d05c43912dbafcd42ae5e178e80f5ebd1e7c0c3682e040ef4a6.dex
similarity: 1.0
=== pass test: test/apk/6f35b5e01899df4cc91a31f2773b7217.apk test/lib/cf819dbfef851e6f21def64d3f4b4cc5d7425104b4830ec765dc5157c4453831.dex
similarity: 1.0
=== pass test: test/apk/6f35b5e01899df4cc91a31f2773b7217.apk test/lib/7cc2314e50de4dc66de7c108ab9c429f3122c6056855fac016fe2a00a9e4ee08.dex
similarity: 0.9999999999999993
=== pass test: test/apk/b75eef27fd4b3f5c65a8a1c7eb677d05.apk test/lib/44555093604035841f936e76428e8bc2087737d58387d2718c3878481332220b.dex
similarity: 1.0
=== pass test: test/apk/b75eef27fd4b3f5c65a8a1c7eb677d05.apk test/lib/798f6bed0fca807e9b47e2f3a0a2f99e4a0618e6cf0639b3444eb72f8a4933cf.dex
similarity: 0.9999999999999997

发展

要设置开发环境,您可以直接在IntelliJ IDEA中打开LibPecker.iml。请注意,需要 JDK 1.7。如果您还有其他疑问,请联系yuanxzhang [AT] fudan.edu.cn

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