111 lines
3.2 KiB
Java
111 lines
3.2 KiB
Java
package info.sigterm.deob;
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import info.sigterm.deob.deobfuscators.IllegalStateExceptions;
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import info.sigterm.deob.deobfuscators.Jumps;
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import info.sigterm.deob.deobfuscators.ModularArithmeticDeobfuscation;
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import info.sigterm.deob.deobfuscators.RuntimeExceptions;
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import info.sigterm.deob.deobfuscators.UnusedBlocks;
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import info.sigterm.deob.deobfuscators.UnusedFields;
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import info.sigterm.deob.deobfuscators.UnusedMethods;
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import info.sigterm.deob.deobfuscators.UnusedParameters;
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import info.sigterm.deob.execution.Execution;
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import info.sigterm.deob.execution.Frame;
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import info.sigterm.deob.pool.NameAndType;
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import info.sigterm.deob.signature.Signature;
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import info.sigterm.deob.attributes.Code;
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import info.sigterm.deob.attributes.code.Block;
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import info.sigterm.deob.attributes.code.Instruction;
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import info.sigterm.deob.attributes.code.Instructions;
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import info.sigterm.deob.attributes.code.instructions.Goto;
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import info.sigterm.deob.attributes.code.instructions.GotoW;
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import info.sigterm.deob.attributes.code.instructions.Return;
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import java.io.ByteArrayOutputStream;
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import java.io.DataInputStream;
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import java.io.DataOutputStream;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.util.ArrayList;
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import java.util.Enumeration;
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import java.util.List;
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import java.util.jar.JarEntry;
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import java.util.jar.JarFile;
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import java.util.jar.JarOutputStream;
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import java.util.jar.Manifest;
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public class Deob
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{
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public static void main(String[] args) throws IOException
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{
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long start = System.currentTimeMillis();
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ClassGroup group = loadJar(args[0]);
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// remove except RuntimeException
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new RuntimeExceptions().run(group);
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// remove unused methods
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new UnusedMethods().run(group);
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// remove illegal state exceptions, frees up some parameters
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new IllegalStateExceptions().run(group);
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// remove code blocks that used to be the runtime exception handlers
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new UnusedBlocks().run(group);
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// remove unused parameters
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new UnusedParameters().run(group);
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// remove jump obfuscation
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new Jumps().run(group);
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new UnusedFields().run(group);
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new ModularArithmeticDeobfuscation().run(group);
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saveJar(group, args[1]);
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long end = System.currentTimeMillis();
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System.out.println("Done in " + ((end - start) / 1000L) + "s");
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}
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private static ClassGroup loadJar(String jarfile) throws IOException
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{
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ClassGroup group = new ClassGroup();
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JarFile jar = new JarFile(jarfile);
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for (Enumeration<JarEntry> it = jar.entries(); it.hasMoreElements();)
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{
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JarEntry entry = it.nextElement();
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if (!entry.getName().endsWith(".class"))
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continue;
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InputStream is = jar.getInputStream(entry);
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group.addClass(entry.getName(), new DataInputStream(is));
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}
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jar.close();
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return group;
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}
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private static void saveJar(ClassGroup group, String jarfile) throws IOException
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{
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JarOutputStream jout = new JarOutputStream(new FileOutputStream(jarfile), new Manifest());
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for (ClassFile cf : group.getClasses())
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{
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JarEntry entry = new JarEntry(cf.getName() + ".class");
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jout.putNextEntry(entry);
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ByteArrayOutputStream bout = new ByteArrayOutputStream();
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cf.write(new DataOutputStream(bout));
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jout.write(bout.toByteArray());
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jout.closeEntry();
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}
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jout.close();
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}
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} |