Examples with Deobfuscator net.runelite.deob.Deobfuscator used on opensource projects

Example 6 with Deobfuscator

use of net.runelite.deob.Deobfuscator in project runelite by runelite.

the class DupDeobfuscatorTest method test.

@Test
public void test() {
    ClassGroup group = ClassGroupFactory.generateGroup();
    Code code = group.findClass("test").findMethod("func").getCode();
    Instructions ins = code.getInstructions();
    code.setMaxStack(5);
    Instruction[] prepareVariables = { new LDC(ins, 1), new IStore(ins, 0) };
    for (Instruction i : prepareVariables) {
        ins.addInstruction(i);
    }
    LDC constant1 = new LDC(ins, 1129258489), constant2 = new LDC(ins, -1692330935), constant3 = new LDC(ins, 1641298955), constant4 = new LDC(ins, 1043501435);
    Instruction[] body = { // this
    new AConstNull(ins), // this
    new AConstNull(ins), new ILoad(ins, 0), constant1, new IMul(ins), new Dup_X1(ins), constant2, new IMul(ins), // putfield
    new Pop2(ins), constant3, new IMul(ins), constant4, new IMul(ins), // putfield
    new Pop2(ins), new VReturn(ins) };
    for (Instruction i : body) {
        ins.addInstruction(i);
    }
    Execution e = new Execution(group);
    e.populateInitialMethods();
    e.run();
    assert constant1.getConstantAsInt() * constant2.getConstantAsInt() == 1;
    assert constant3.getConstantAsInt() * constant4.getConstantAsInt() * constant1.getConstantAsInt() == 1;
    Deobfuscator d = new DupDeobfuscator();
    d.run(group);
    // assert the dup_x1 was removed
    long dupCount = ins.getInstructions().stream().filter(i -> i instanceof Dup_X1).count();
    Assert.assertEquals(0, dupCount);
}

Example 7 with Deobfuscator

use of net.runelite.deob.Deobfuscator in project runelite by runelite.

the class DupDeobfuscatorTest method test2.

// 035   aload_0               // this
// 036   dup                   // this this
// 037   getfield              class153/field2097 I // this I
// 038   ldc                   830083863
// 039   imul                                      // this I
// 040   ldc                   830083863
// 041   iadd                                      // this I
// 042   dup_x1                                    // I this I
@Test
public void test2() {
    ClassGroup group = ClassGroupFactory.generateGroup();
    Code code = group.findClass("test").findMethod("func").getCode();
    Instructions ins = code.getInstructions();
    code.setMaxStack(3);
    Instruction[] body = { // this
    new AConstNull(ins), // this this
    new Dup(ins), new GetField(ins, new Field(new Class("test"), "field", Type.INT)), // this this I I
    new LDC(ins, 830083863), // this this I
    new IMul(ins), new LDC(ins, 830083863), new IAdd(ins), new Dup_X1(ins), new LDC(ins, 636900519), // pops dup
    new IMul(ins), new VReturn(ins) };
    for (Instruction i : body) {
        ins.addInstruction(i);
    }
    Execution e = new Execution(group);
    e.populateInitialMethods();
    e.run();
    Deobfuscator d = new DupDeobfuscator();
    d.run(group);
    // assert the dup wasn't duplicated
    long dupCount = ins.getInstructions().stream().filter(i -> i instanceof Dup).count();
    Assert.assertEquals(1, dupCount);
    // assert the dup_x1 was removed
    dupCount = ins.getInstructions().stream().filter(i -> i instanceof Dup_X1).count();
    Assert.assertEquals(0, dupCount);
}

Example 8 with Deobfuscator

use of net.runelite.deob.Deobfuscator in project runelite by runelite.

the class MultiplicationDeobfuscatorTest method test3.

@Test
public void test3() {
    ClassGroup group = ClassGroupFactory.generateGroup();
    Code code = group.findClass("test").findMethod("func").getCode();
    Instructions ins = code.getInstructions();
    code.setMaxStack(2);
    Instruction[] prepareVariables = { new LDC(ins, 3), new IStore(ins, 0) };
    for (Instruction i : prepareVariables) {
        ins.addInstruction(i);
    }
    LDC constant1 = new LDC(ins, 1381104939), constant2 = new LDC(ins, 1381104939), constant3 = new LDC(ins, 981643079), constant4 = new LDC(ins, 1807370871), constant5 = new LDC(ins, 981643079);
    Label label1 = new Label(ins);
    Instruction[] body = { constant4, constant1, new ILoad(ins, 0), new IMul(ins), new LDC(ins, 0), new IfEq(ins, label1), constant2, new IMul(ins), label1, constant3, new IMul(ins), // constant4
    new IMul(ins), constant5, new IMul(ins), new Pop(ins), new VReturn(ins) };
    for (Instruction i : body) {
        ins.addInstruction(i);
    }
    Execution e = new Execution(group);
    e.populateInitialMethods();
    e.run();
    assert constant4.getConstantAsInt() * constant5.getConstantAsInt() == 1;
    // {
    // Collection<InstructionContext> ctxs = e.getInstructonContexts(body[3]);
    // assert ctxs.size() == 1;
    // 
    // InstructionContext ictx = ctxs.iterator().next();
    // boolean onlyPath = MultiplicationDeobfuscator.isOnlyPath(e, ictx);
    // Assert.assertFalse(onlyPath);
    // }
    Deobfuscator d = new MultiplicationDeobfuscator();
    d.run(group);
    Assert.assertEquals(1381104939, constant1.getConstantAsInt());
    Assert.assertEquals(1381104939, constant2.getConstantAsInt());
    Assert.assertEquals(1, constant3.getConstantAsInt());
    Assert.assertEquals(1, constant4.getConstantAsInt());
    // assumes result is moved to the end here.
    Assert.assertEquals(981643079, constant5.getConstantAsInt());
}

Example 9 with Deobfuscator

use of net.runelite.deob.Deobfuscator in project runelite by runelite.

the class MultiplicationDeobfuscatorTest method test9.

// aload                 0
// aload                 0
// aload                 1
// invokevirtual         class226/method4078()J
// ldc2_w                -81013729583719545
// lmul
// dup2_x1
// ldc2_w                -6236978337732675017
// lmul
// putfield              class227/field3204 J
// ldc2_w                -6236978337732675017
// lmul
// putfield              class227/field3196 J
@Test
public void test9() {
    ClassGroup group = ClassGroupFactory.generateGroup();
    Code code = group.findClass("test").findMethod("func").getCode();
    Instructions ins = code.getInstructions();
    code.setMaxStack(3);
    Instruction[] prepareVariables = { new LDC(ins, 1L), new LStore(ins, 0) };
    for (Instruction i : prepareVariables) {
        ins.addInstruction(i);
    }
    LDC constant1 = new LDC(ins, -81013729583719545L), constant2 = new LDC(ins, -6236978337732675017L), constant3 = new LDC(ins, -6236978337732675017L);
    Instruction[] body = { new LDC(ins, 0), new LLoad(ins, 0), constant1, new LMul(ins), // lmul, 0, lmul
    new Dup2_X1(ins), constant2, new LMul(ins), new Pop(ins), new Pop(ins), constant3, new LMul(ins), new Pop(ins), new VReturn(ins) };
    for (Instruction i : body) {
        ins.addInstruction(i);
    }
    Execution e = new Execution(group);
    e.populateInitialMethods();
    e.run();
    assert constant1.getConstantAsLong() * constant2.getConstantAsLong() == 1L;
    Deobfuscator d = new MultiplicationDeobfuscator();
    d.run(group);
    Assert.assertEquals(1L, constant1.getConstantAsLong());
    Assert.assertEquals(1L, constant2.getConstantAsLong());
    Assert.assertEquals(1L, constant3.getConstantAsLong());
}

Example 10 with Deobfuscator

use of net.runelite.deob.Deobfuscator in project runelite by runelite.

the class MultiplicationDeobfuscatorTest method test6.

@Test
public void test6() {
    ClassGroup group = ClassGroupFactory.generateGroup();
    Code code = group.findClass("test").findMethod("func").getCode();
    Instructions ins = code.getInstructions();
    code.setMaxStack(2);
    Instruction[] prepareVariables = { new LDC(ins, 3), new IStore(ins, 0), new LDC(ins, 2), new IStore(ins, 1) };
    for (Instruction i : prepareVariables) {
        ins.addInstruction(i);
    }
    LDC constant1 = new LDC(ins, 575391417);
    LDC constant2 = new LDC(ins, -497786999);
    Instruction[] body = { new ILoad(ins, 0), new ILoad(ins, 1), new Dup_X1(ins), new Pop(ins), new Pop(ins), constant1, new IMul(ins), constant2, new IMul(ins), new Pop(ins), new VReturn(ins) };
    for (Instruction i : body) {
        ins.addInstruction(i);
    }
    Execution e = new Execution(group);
    e.populateInitialMethods();
    e.run();
    assert constant1.getConstantAsInt() * constant2.getConstantAsInt() == 1;
    Deobfuscator d = new MultiplicationDeobfuscator();
    d.run(group);
    Assert.assertEquals(1, constant1.getConstantAsInt());
    Assert.assertEquals(1, constant2.getConstantAsInt());
}