Int32 emu_cpu_step(emu_cpu *hCpu);
UInt32 emu_cpu_eip_set(emu_cpu *hCpu, UInt32 eip);
UInt32 emu_cpu_eip_get(emu_cpu *hCpu);
Int32 emu_cpu_parse(emu_cpu *hCpu);
UInt32 emu_cpu_run(emu_cpu *hCpu);
UInt32 emu_disasm_addr(emu_cpu *hCpu, UInt32 eip, StringBuilder buf99);
UInt32 emu_cpu_reg32_set(emu_cpu *hCpu, emu_reg32 reg32, UInt32 val);
UInt32 emu_cpu_reg32_get(emu_cpu *hCpu, emu_reg32 reg32);
static void Main(string[] args)
{
e = emu_new();
cpu = emu_cpu_get(e);
mem = emu_memory_get(e);
env = emu_env_new(e);
Console.WriteLine("hEmu=" + e.ToString("X") + " hMem=" + mem.ToString("X") + " hEnv=" + env.ToString("X"));
//emu_cpu_reg32_set( cpu, emu_reg32.esp , 0x12FE00);
//emu_cpu_reg32_set( cpu, emu_reg32.ebp, 0x12FFF0);
cpu->esp = 0x12FE00;
cpu->ebp = 0x12FFF0;
//ApiHookProc ahp = new ApiHookProc(hook_LoadLibraryA);
UInt32 r = emu_env_w32_export_new_hook(env, "LoadLibraryA", hook_LoadLibraryA, 0);
Console.WriteLine("SetHook returned: " + r+"\n");
//mov eax, 0; inc eax, int 3
//byte[] b = { 0xb8, 0x00, 0x00, 0x00, 0x00, 0x40, 0xcc, 0xcc };
//00436A3D 68 6C333200 PUSH 32336C
//00436A42 68 7368656C PUSH 6C656873
//00436A47 54 PUSH ESP
//00436A48 68 771D807C PUSH 7C801D77 ;LoadLibrary address
//00436A4D 59 POP ECX
//00436A4E FFD1 CALL ECX
//00436A48 68 A0AD807C PUSH 7c80ada0 ;GetProcAddress (stack not setup properly though for legit call)
//00436A4D 59 POP ECX
//00436A4E FFD1 CALL ECX
byte[] b = {0x68, 0x6C, 0x33, 0x32, 0x00, 0x68, 0x73, 0x68, 0x65, 0x6C, 0x54,
0x68, 0x77, 0x1D, 0x80, 0x7C, 0x59, 0xFF, 0xD1,0x68, 0xa0, 0xad,
0x80, 0x7c, 0x59, 0xFF, 0xD1, 0xCC };
WriteShellcode(0x401000, b);
//emu_cpu_eip_set(cpu, 0x401000);
cpu->eip = 0x401000;
Console.WriteLine("Eip = " + emu_cpu_eip_get(cpu));
for (int i = 0; i < 100; i++)
{
emu_env_w32_dll_export* export = emu_env_w32_eip_check(env);
if ( (int)export != 0)
{
if (export->lpfnHook == 0){ //then it is an api start address, but its not hooked..
Console.WriteLine("\nUnhooked api: " + CString(export->lpfnName,256));
break;
}
}
else
{
print_disasm();
if (!Step()) break;
}
}
Console.WriteLine("\nError: " + emu_strerror(e));
Console.WriteLine("Run Complete eax=" + emu_cpu_reg32_get(cpu, emu_reg32.eax).ToString("X") );
Console.ReadKey();
}
