Examples with IStore net.runelite.asm.attributes.code.instructions.IStore used on opensource projects

Example 6 with IStore

use of net.runelite.asm.attributes.code.instructions.IStore 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 IStore

use of net.runelite.asm.attributes.code.instructions.IStore 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 8 with IStore

use of net.runelite.asm.attributes.code.instructions.IStore 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());
}

Example 9 with IStore

use of net.runelite.asm.attributes.code.instructions.IStore in project runelite by runelite.

the class MultiplicationDeobfuscatorTest method test10.

@Test
public void test10() {
    ClassGroup group = ClassGroupFactory.generateGroup();
    Code code = group.findClass("test").findMethod("func").getCode();
    Instructions ins = code.getInstructions();
    code.setMaxStack(5);
    // vars[0] = 3
    Instruction[] prepareVariables = { new LDC(ins, 3), new IStore(ins, 0) };
    for (Instruction i : prepareVariables) {
        ins.addInstruction(i);
    }
    LDC constant1 = new LDC(ins, -1729723287);
    LDC constant2 = new LDC(ins, -143176743);
    Instruction[] body = { new ILoad(ins, 0), constant1, new IMul(ins), constant2, new IMul(ins), new VReturn(ins) };
    for (Instruction i : body) {
        ins.addInstruction(i);
    }
    // check execution runs ok
    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());
}

Example 10 with IStore

use of net.runelite.asm.attributes.code.instructions.IStore in project runelite by runelite.

the class MultiplicationDeobfuscatorTest method test12.

// 020   aload_0
// 021   aload_0
// 022   iload_1
// 023   ldc                   1129258489
// 024   imul						// this, this, mul
// 025   swap						// this, mul s, this
// 026   iload_1
// 027   iconst_1
// 028   imul						// this, mul s, this, mul
// 029   iconst_1
// 030   imul
// 031   putfield              class81/field1351 I       // this, mul
// 032   iconst_1
// 033   imul
// 034   ldc                   -1692330935
// 035   imul
// 036   putfield              class81/field1326 I
@Test
public void test12() {
    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);
    LDC constant2 = new LDC(ins, -1692330935);
    Instruction[] body = { // this
    new AConstNull(ins), // this
    new AConstNull(ins), new ILoad(ins, 0), constant1, new IMul(ins), // null, mul, null
    new Swap(ins), new ILoad(ins, 0), // putfield
    new Pop2(ins), constant2, 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;
    Deobfuscator d = new MultiplicationDeobfuscator();
    d.run(group);
    Assert.assertEquals(1, constant1.getConstantAsInt());
    Assert.assertEquals(1, constant2.getConstantAsInt());
}