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

Example 66 with Instruction

use of net.runelite.asm.attributes.code.Instruction in project runelite by runelite.

the class MultiplicationDeobfuscatorTest method test2.

// aload_0
// dup
// getfield              class118/field2201 I
// ldc_w                 -2079217519
// imul
// ldc                   -2079217519
// iadd
// dup_x1
// ldc_w                 561453169
// imul
// putfield              class118/field2201 I
// ldc                   561453169
// imul
@Test
public void test2() {
    ClassGroup group = ClassGroupFactory.generateGroup();
    Code code = group.findClass("test").findMethod("func").getCode();
    Instructions ins = code.getInstructions();
    code.setMaxStack(4);
    // 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, -2079217519), constant2 = new LDC(ins, -2079217519), constant3 = new LDC(ins, 561453169), constant4 = new LDC(ins, 561453169);
    Instruction[] body = { // for dup_x1 to place before this
    new LDC(ins, 0), new ILoad(ins, 0), constant1, new IMul(ins), constant2, new IAdd(ins), // result, 0, result
    new Dup_X1(ins), constant3, new IMul(ins), new Pop(ins), new Pop(ins), constant4, new IMul(ins), new VReturn(ins) };
    for (Instruction i : body) {
        ins.addInstruction(i);
    }
    Execution e = new Execution(group);
    e.populateInitialMethods();
    e.run();
    assert constant1.getConstantAsInt() * constant3.getConstantAsInt() == 1;
    assert constant2.getConstantAsInt() * constant4.getConstantAsInt() == 1;
    Deobfuscator d = new MultiplicationDeobfuscator();
    d.run(group);
    Assert.assertEquals(1, constant1.getConstantAsInt());
    Assert.assertEquals(1, constant2.getConstantAsInt());
    Assert.assertEquals(1, constant3.getConstantAsInt());
    Assert.assertEquals(1, constant4.getConstantAsInt());
}

Example 67 with Instruction

use of net.runelite.asm.attributes.code.Instruction in project runelite by runelite.

the class MultiplicationDeobfuscatorTest method test11.

// 020   aload_0
// 021   aload_0
// 022   iload_1
// 023   ldc                   1129258489
// 024   imul
// 025   dup_x1
// 026   ldc                   -1692330935
// 027   imul
// 028   putfield              class81/field1351 I
// 029   ldc                   1641298955
// 030   imul                                         // this pops other side of dup_x1
// 031   ldc                   1043501435
// 032   imul
// 033   putfield              class81/field1326 I
@Test
public void test11() {
    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 MultiplicationDeobfuscator();
    d.run(group);
    Assert.assertEquals(1, constant1.getConstantAsInt());
    Assert.assertEquals(1, constant2.getConstantAsInt());
    Assert.assertEquals(1, constant3.getConstantAsInt());
    Assert.assertEquals(1, constant4.getConstantAsInt());
}

Example 68 with Instruction

use of net.runelite.asm.attributes.code.Instruction in project runelite by runelite.

the class MultiplicationDeobfuscatorTest method test8.

@Test
public void test8() {
    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, -1616202347);
    LDC constant2 = new LDC(ins, 2747837);
    Label label1 = new Label(ins), label2 = new Label(ins), label3 = new Label(ins);
    Instruction[] body = { constant1, constant2, new IMul(ins), new ILoad(ins, 0), new LDC(ins, 42), new IfEq(ins, label1), new Goto(ins, label2), label1, new LDC(ins, -1), new Goto(ins, label3), label2, new LDC(ins, 0), new Goto(ins, label3), label3, new InvokeStatic(ins, group.findClass("test").findMethod("func2").getPoolMethod()), 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 69 with Instruction

use of net.runelite.asm.attributes.code.Instruction in project runelite by runelite.

the class MultiplicationDeobfuscatorTest method test5.

@Test
public void test5() {
    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, -2079217519), constant2 = new LDC(ins, -2079217519), constant3 = new LDC(ins, 561453169);
    Instruction[] body = { new ILoad(ins, 0), constant1, new IMul(ins), new IStore(ins, 2), new ILoad(ins, 2), new ILoad(ins, 1), constant2, new IMul(ins), new IAdd(ins), constant3, new IMul(ins), new VReturn(ins) };
    for (Instruction i : body) {
        ins.addInstruction(i);
    }
    Execution e = new Execution(group);
    e.populateInitialMethods();
    e.run();
    assert constant1.getConstantAsInt() * constant3.getConstantAsInt() == 1;
    Deobfuscator d = new MultiplicationDeobfuscator();
    d.run(group);
    Assert.assertEquals(1, constant1.getConstantAsInt());
    Assert.assertEquals(1, constant2.getConstantAsInt());
    Assert.assertEquals(1, constant3.getConstantAsInt());
}

Example 70 with Instruction

use of net.runelite.asm.attributes.code.Instruction in project runelite by runelite.

the class MultiplyOneDeobfuscatorTest method test.

@Test
public void test() {
    ClassGroup group = ClassGroupFactory.generateGroup();
    Code code = group.findClass("test").findMethod("func").getCode();
    Instructions ins = code.getInstructions();
    code.setMaxStack(2);
    // vars[0] = 3
    Instruction[] prepareVariables = { new LDC(ins, 3), new IStore(ins, 0) };
    for (Instruction i : prepareVariables) ins.addInstruction(i);
    Label label = new Label(ins), label2 = new Label(ins);
    LDC one = new LDC(ins, 1);
    IMul mul = new IMul(ins);
    Instruction[] body = { new SiPush(ins, (short) 256), new ILoad(ins, 0), new IfEq(ins, label), label, one, label2, mul, new VReturn(ins) };
    for (Instruction i : body) ins.addInstruction(i);
    // check execution runs ok
    Execution e = new Execution(group);
    e.populateInitialMethods();
    e.run();
    Deobfuscator d = new MultiplyOneDeobfuscator(false);
    d.run(group);
    Assert.assertTrue(one.getInstructions() == null);
    Assert.assertTrue(mul.getInstructions() == null);
}