如何与Klassmaster混淆胖子

问题描述

我有一个用gradle脚本生成的胖子。当我运行以下命令时,发布gradle脚本:-

java -jar fileName.jar

它正在运行main方法,一切正常。但是,当我尝试混淆该jar时,生成的jar抱怨:-

错误:jarfile ObfusactedTest.jar无效或损坏

我的代码如下:-

build.gradle:-

    buildscript {
    repositories {
        mavenLocal()
        mavenCentral()
    }

    dependencies {
        classpath files("E:\\softs\\ZKM\\ZKMEval\\ZKM.jar") //ZKM_JAR_PATH must be set to point to your ZKM.jar
        classpath 'com.zelix.gradle:plugin:1.0.0'
    }
}

apply plugin: 'java'
apply plugin: 'maven'
apply plugin: 'com.zelix.gradle.plugin'

group = 'com.github.jitpack'

sourceCompatibility = 1.8 // java 8
targetCompatibility = 1.8

repositories {
    mavenLocal()
    mavenCentral()
}

dependencies {
    compile group: 'org.apache.commons',name: 'commons-lang3',version: '3.11'
    compile group: 'org.apache.commons',name: 'commons-collections4',version: '4.4'
}

jar {
    manifest {
        attributes "Main-Class": "com.github.jitpack.Hello"
    }
    zip64 = true
    from {
        configurations.compile.collect { it.isDirectory() ? it : zipTree(it) }
    }
}


zkmSetting {
    scriptName = "Obfuscate.txt" //Must be set to point to the ZKM Script to execute.
}

Obfuscate.txt:-

print "Obfuscating fatJar.....";

classpath
          "C:\Program Files\Java\jdk-10.0.2\lib\jrt-fs.jar"
          ".\obfuscateFatJar.jar";

open ".\obfuscateFatJar.jar" {"*.class"};

exclude org.apache.commons.*.*;
exclude com.github.jitpack.Hello.*;

obfuscate keepInnerClassInfo=false
           keepGenericsInfo=true
           exceptionObfuscation=heavy
           encryptStringLiterals=flowObfuscate;

saveAll archiveCompression=asIs
        deleteEmptyDirectories=true
        deleteXMLComments=false
        "ObfusactedTest.jar";

通过Hello.java获得主要方法的方式。

解决方法

您的ZKM脚本“ open”语句指定{“ * .class”}文件过滤器。因此,您正在过滤掉所有非类文件,包括MANIFEST.MF。参见https://www.zelix.com/klassmaster/docs/openStatement.html#filter

缺少MANIFEST.MF将给您一个“无效或损坏的jarfile”错误。请注意,您的Zelix KlassMaster日志文件将包含类似以下的消息。

消息:过滤出路径'obfuscateFatJar.jar!META-INF / MANIFEST.MF',因为它与指定的过滤器'{“ .class”}>'(D)*不匹配” * >

您可以通过不使用文件过滤器(在这种情况下为最安全的选项)或扩展文件过滤器以包括其他文件类型来解决此问题。例如。 {“ .class” || “ .MF”}

,

更新类路径中的过滤器。现在的代码看起来像这样。就像魅力一样。

execute "del ObfusactedTest.jar";

classpath
          "C:\Program Files\Java\jdk-10.0.2\lib\jrt-fs.jar"
          ".\obfuscateFatJar.jar";

open ".\obfuscateFatJar.jar" {"*.class" || "*.MF"};

exclude org.apache.commons.*.*;

obfuscate keepInnerClassInfo=false
           keepGenericsInfo=true
           exceptionObfuscation=heavy
           encryptStringLiterals=flowObfuscate;

saveAll archiveCompression=asIs
        deleteEmptyDirectories=true
        deleteXMLComments=false
        "ObfusactedTest.jar";

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