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feat: support simple obfuscation (#13)

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ReaJason
2025-03-30 15:33:31 +08:00
parent e228065aa0
commit ad05c8f2da
19 changed files with 78 additions and 34 deletions
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generator/build.gradle
+1
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@@ -39,6 +39,7 @@ dependencies {
implementation project(":memshell-java8")
implementation 'net.bytebuddy:byte-buddy'
implementation 'org.ow2.asm:asm-commons'
implementation 'com.github.jar-analyzer:class-obf'
implementation 'javax.servlet:javax.servlet-api'
implementation 'javax.websocket:javax.websocket-api'
generator/src/main/java/com/reajason/javaweb/memshell/MemShellGenerator.java
+29
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@@ -4,6 +4,8 @@ import com.reajason.javaweb.memshell.config.*;
import com.reajason.javaweb.memshell.generator.*;
import com.reajason.javaweb.memshell.server.AbstractShell;
import com.reajason.javaweb.memshell.utils.CommonUtil;
import me.n1ar4.clazz.obfuscator.api.ClassObf;
import me.n1ar4.clazz.obfuscator.config.BaseConfig;
import org.apache.commons.lang3.StringUtils;
import org.apache.commons.lang3.tuple.Pair;
@@ -46,12 +48,39 @@ public class MemShellGenerator {
byte[] shellBytes = generateShellBytes(shellConfig, shellToolConfig);
if (shellConfig.isObfuscate()) {
BaseConfig config = BaseConfig.Default();
config.setIgnorePublic(true);
config.setEnableMethodName(false);
config.setEnableFieldName(false);
config.setEnableAES(false);
config.setEnableAdvanceString(false);
config.setQuiet(true);
ClassObf classObf = new ClassObf(config);
shellBytes = classObf.run(shellBytes).getData();
}
injectorConfig.setInjectorClass(injectorClass);
injectorConfig.setShellClassName(shellToolConfig.getShellClassName());
injectorConfig.setShellClassBytes(shellBytes);
InjectorGenerator injectorGenerator = new InjectorGenerator(shellConfig, injectorConfig);
byte[] injectorBytes = injectorGenerator.generate();
if (shellConfig.isObfuscate()) {
BaseConfig config = BaseConfig.Default();
config.setIgnorePublic(true);
config.setEnableMethodName(false);
config.setEnableFieldName(false);
config.setEnableAES(false);
config.setEnableAdvanceString(false);
config.setQuiet(true);
ClassObf classObf = new ClassObf(config);
injectorBytes = classObf.run(injectorBytes).getData();
}
Map<String, byte[]> innerClassBytes = injectorGenerator.getInnerClassBytes();
return GenerateResult.builder()