android apk 逆向中常用工具一览

关于apk 逆向中的一些工具的使用，看了不少文章，也使用过有很长一段时间了，今天对此做一总结：

几种文件之间的转换命令：

1. odex -> smali

　　java -jar baksmali.jar -a <api_level> -x <odex_file> -d <framework_dir>

2.smali ->dex

　　java -Xmax512M -jar samli-2.0.jar <smali_dir> -o classes.dex

3.dex ->odex

　　在android平台下使用命令dexopt-wrapper实现：

　　dexopt-wrapper 123.apk 123.odex

4. 对odex的签名，用于对修改后的odex文件，使用源文件的一部分文件头：

busybox dd if=android.policy.odex.bak of=android.policy.odex bs=1 count=20 skip=52 seek=52 conv=notrunc

5. 对apk的签名使用专门的签名工具：

　　java -jar signapk.jar platform.x509.pem platform.pk8 input.apk output.apk

6. Apktools的使用

Apktool 是apk的逆向分析工具，可用于对apk的打包解包。

APKtool 软件包有 2 个程序组成：apktool.jar 和 aapt 运行 apktools.jar 需要 java 环境（1.6.0 版本以上）。

apktool.jar 用于解包，apktool.jar 和 aapt.exe 联合用于打包。

frank@ubuntu-troxy:~$ java -jar /data/dtgy.package/bin/apktool.jar

Apktool v1.4.3 - a tool for reengineering Android apk files

Apache License 2.0 (http://www.apache.org/licenses/LICENSE-2.0)

Usage: apktool [-q|--quiet OR -v|--verbose] COMMAND [...]

COMMANDs are:

d[ecode] [OPTS] <file.apk> [<dir>]

Decode <file.apk> to <dir>.

OPTS:

-s, --no-src

Do not decode sources.

-r, --no-res

Do not decode resources.

-d, --debug

Decode in debug mode. Check project page for more info.

-f, --force

Force delete destination directory.

-t <tag>, --frame-tag <tag>

Try to use framework files tagged by <tag>.

--keep-broken-res

Use if there was an error and some resources were dropped, e.g.:

"Invalid config flags detected. Dropping resources", but you

want to decode them anyway, even with errors. You will have to

fix them manually before building.

b[uild] [OPTS] [<app_path>] [<out_file>]

Build an apk from already decoded application located in <app_path>.

It will automatically detect, whether files was changed and perform

needed steps only.

If you omit <app_path> then current directory will be used.

If you omit <out_file> then <app_path>/dist/<name_of_original.apk>

will be used.

OPTS:

-f, --force-all

Skip changes detection and build all files.

-d, --debug

Build in debug mode. Check project page for more info.

if|install-framework <framework.apk> [<tag>]

Install framework file to your system.

java -jar /data/dtgy.package/bin/apktool.jar d -f -s --keep-broken-res $APK_FILE $APK_DIR

For additional info, see: http://code.google.com/p/android-apktool/

Apktool工具下载链接：https://code.google.com/p/android-apktool/

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android apk 逆向中常用工具一览

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