public void patchVerify(){
int patchCode = 0x4FF00100;
emulator.getMemory().pointer(module.base + 0x1E86).setInt(0,patchCode);
}
public void HookMDStringold(){
IHookZz hookZz = HookZz.getInstance(emulator);
hookZz.wrap(module.base + 0x1BD0 + 1, new WrapCallback<HookZzArm32RegisterContext>() {
@Override
public void preCall(Emulator<?> emulator, HookZzArm32RegisterContext ctx, HookEntryInfo info) {
Pointer input = ctx.getPointerArg(0);
System.out.println("input:" + input.getString(0));
};
@Override
public void postCall(Emulator<?> emulator, HookZzArm32RegisterContext ctx, HookEntryInfo info) {
Pointer result = ctx.getPointerArg(0);
System.out.println("input:" + result.getString(0));
}
});
}
package com.dta.lesson2;
import com.github.unidbg.AndroidEmulator;
import com.github.unidbg.Emulator;
import com.github.unidbg.Module;
import com.github.unidbg.arm.HookStatus;
import com.github.unidbg.arm.backend.DynarmicFactory;
import com.github.unidbg.arm.context.RegisterContext;
import com.github.unidbg.debugger.BreakPointCallback;
import com.github.unidbg.debugger.DebuggerType;
import com.github.unidbg.hook.HookContext;
import com.github.unidbg.hook.ReplaceCallback;
import com.github.unidbg.hook.hookzz.*;
import com.github.unidbg.hook.xhook.IxHook;
import com.github.unidbg.linux.android.AndroidEmulatorBuilder;
import com.github.unidbg.linux.android.AndroidResolver;
import com.github.unidbg.linux.android.XHookImpl;
import com.github.unidbg.linux.android.dvm.DalvikModule;
import com.github.unidbg.linux.android.dvm.DvmObject;
import com.github.unidbg.linux.android.dvm.StringObject;
import com.github.unidbg.linux.android.dvm.VM;
import com.github.unidbg.linux.android.dvm.jni.ProxyDvmObject;
import com.github.unidbg.memory.Memory;
import com.github.unidbg.pointer.UnidbgPointer;
import com.github.unidbg.utils.Inspector;
import com.sun.jna.Pointer;
import net.dongliu.apk.parser.Main;
import unicorn.ArmConst;
import java.io.File;
import java.util.ArrayList;
import java.util.List;
import static com.dta.lesson2.AesKeyFinder.readFuncFromIDA;
public class MainActivity {
private final AndroidEmulator emulator;
private final VM vm;
private final Memory memory;
private final Module module;
public MainActivity(){
emulator = AndroidEmulatorBuilder
.for32Bit()
.build();
vm = emulator.createDalvikVM();
memory = emulator.getMemory();
memory.setLibraryResolver(new AndroidResolver(23));
DalvikModule dalvikModule = vm.loadLibrary(new File("unidbg-android/src/test/java/com/dta/lesson2/libtest-lib.so"), true);
module = dalvikModule.getModule();
vm.callJNI_OnLoad(emulator,module);
}
public void callAes(){
DvmObject obj = ProxyDvmObject.createObject(vm,this);
obj.callJniMethod(emulator, "aes(II)V");
}
public static void main(String[] args) {
long start = System.currentTimeMillis();
MainActivity mainActivity = new MainActivity();
mainActivity.keyFinder();
System.out.println("load the vm "+( System.currentTimeMillis() - start )+ "ms");
mainActivity.callAes();
}
private void consoleDebugger() {
emulator.attach().addBreakPoint(module.base + 0x20ad, new BreakPointCallback() {
@Override
public boolean onHit(Emulator<?> emulator, long address) {
return false;
}
});
}
private void hookZz() {
HookZz hookZz = HookZz.getInstance(emulator);
hookZz.wrap(module.base + 0x20ad, new WrapCallback<HookZzArm32RegisterContextImpl>() {
@Override
public void preCall(Emulator<?> emulator, HookZzArm32RegisterContextImpl ctx, HookEntryInfo info) {
UnidbgPointer arg0 = ctx.getPointerArg(0);
UnidbgPointer arg1 = ctx.getPointerArg(1);
System.out.println("0x20ad_OnEnter: arg0=>"+arg0.getString(0));
Inspector.inspect(arg1.getByteArray(0,200),"0x20ad_OnEnter_arg1");
ctx.push(arg1);
}
@Override
public void postCall(Emulator<?> emulator, HookZzArm32RegisterContextImpl ctx, HookEntryInfo info) {
UnidbgPointer arg1 = ctx.pop();
Inspector.inspect(arg1.getByteArray(0,200),"0x20ad_OnLeave_arg1");
super.postCall(emulator, ctx, info);
}
});
}
private void keyFinder() {
List<String> funclist = readFuncFromIDA("unidbg-android/src/test/java/com/dta/lesson2/libtest-lib_functionlist_1636779320.txt");
AesKeyFinder aesKeyFinder = new AesKeyFinder(emulator);
aesKeyFinder.searchEveryFunction(module.base, funclist);
}
}