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 ##############################
 # Linux For InfoSec Pros     #
 # By Joe McCray              #
 ##############################
 
 
 ##########################
 # Download the attack VM #
 ##########################
 https://s3.amazonaws.com/StrategicSec-VMs/StrategicsecUbuntu14.zip
 user: strategicsec
 pass: strategicsec
 
 
 ########################################
 # Boot up the StrategicSec Ubuntu host #
 ########################################
 
 - Log in to your Ubuntu host with the following credentials:
 	user: strategicsec
 	pass: strategicsec
 
 
 
 - I prefer to use Putty to SSH into my Ubuntu host on pentests and I'll be teaching this class in the same manner that I do pentests.
 - You can download Putty from here:
 - http://the.earth.li/~sgtatham/putty/latest/x86/putty.exe
 
 
 
 ########################
 # Basic Linux Commands #
 ########################
 
 pwd
 
 whereis pwd
 
 which pwd
 
 sudo find / -name pwd
      strategicsec
 
 /bin/pwd
 
 mkdir test
 
 cd test
 
 touch one two three
 
 ls -l t		(without pressing the Enter key, press the Tab key twice. What happens?)
 
 h		(and again without pressing the Enter key, press the Tab key twice. What happens?)
 
 Press the 'Up arrow key'	(What happens?)
 
 Press 'Ctrl-A'			(What happens?)
 
 ls
 
 clear				(What happens?)
 
 echo one > one
 
 cat one				(What happens?)
 
 man cat				(What happens?)
 	q
 
 cat two
 
 cat one > two
 
 cat two
 
 cat one two > three
 
 cat three
 
 echo four >> three
 
 cat three 			(What happens?)
 
 wc -l three
 
 man wc
 	q
 
 cat three | grep four
 
 cat three | grep one
 
 man grep
 	q
 
 
 sudo grep eth[01] /etc/*	(What happens?)
 	strategicsec
 
 cat /etc/iftab
 
 
 man ps
 	q
 
 ps
 
 ps aux
 
 ps aux | less
 
 Press the 'Up arrow key'	(What happens?)
 
 Press the 'Down arrow key'	(What happens?)
 	q
 
 top
 
 ############
 # VIM Demo #
 ############
 http://www.thegeekstuff.com/2009/03/8-essential-vim-editor-navigation-fundamentals/
 
 
 
 ###################
 # Common commands #
 ###################
 http://www.thegeekstuff.com/2009/03/15-practical-linux-find-command-examples/
 
 http://www.thegeekstuff.com/2009/03/15-practical-unix-grep-command-examples/
 http://www.thegeekstuff.com/2010/01/awk-introduction-tutorial-7-awk-print-examples/
 http://www.thegeekstuff.com/2009/10/unix-sed-tutorial-advanced-sed-substitution-examples/
 
 
 http://www.thegeekstuff.com/2010/11/50-linux-commands/
 http://www.thegeekstuff.com/2009/10/debian-ubuntu-install-upgrade-remove-packages-using-apt-get-apt-cache-apt-file-dpkg/
 http://www.thegeekstuff.com/2010/11/modprobe-command-examples/
 http://www.thegeekstuff.com/2009/06/useradd-adduser-newuser-how-to-create-linux-users/
 http://www.thegeekstuff.com/2009/04/chage-linux-password-expiration-and-aging/
 http://www.thegeekstuff.com/2010/08/how-to-create-lvm/
 http://www.thegeekstuff.com/2010/10/dmesg-command-examples/
 http://www.thegeekstuff.com/2010/03/netstat-command-examples/
 http://www.thegeekstuff.com/2009/10/debian-ubuntu-install-upgrade-remove-packages-using-apt-get-apt-cache-apt-file-dpkg/
 
 #################
 # IPTables Demo #
 #################
 Reference:
 http://www.thegeekstuff.com/2011/06/iptables-rules-examples/
 
 Delete Existing Rules
 ---------------------
 sudo /sbin/iptables -F
 	strategicsec
 
 	(or)
 
 sudo /sbin/iptables --flush
 	strategicsec
 
 
 
 Set Default Chain Policies
 --------------------------
 sudo /sbin/iptables -P INPUT DROP
 sudo /sbin/iptables -P FORWARD DROP
 sudo /sbin/iptables -P OUTPUT DROP
 
 
 Block a Specific ip-address
 ---------------------------
 BLOCK_THIS_IP="x.x.x.x"
 sudo /sbin/iptables -A INPUT -s "$BLOCK_THIS_IP" -j DROP
 
 
 sudo /sbin/iptables -A INPUT -i eth0 -s "$BLOCK_THIS_IP" -j DROP
 sudo /sbin/iptables -A INPUT -i eth0 -p tcp -s "$BLOCK_THIS_IP" -j DROP
 
 
 Allow ALL Incoming SSH
 ----------------------
 sudo /sbin/iptables -A INPUT -i eth0 -p tcp --dport 22 -m state --state NEW,ESTABLISHED -j ACCEPT
 sudo /sbin/iptables -A OUTPUT -o eth0 -p tcp --sport 22 -m state --state ESTABLISHED -j ACCEPT
 
 
 Allow Incoming SSH only from a Sepcific Network
 -----------------------------------------------
 sudo /sbin/iptables -A INPUT -i eth0 -p tcp -s 192.168.100.0/24 --dport 22 -m state --state NEW,ESTABLISHED -j ACCEPT
 sudo /sbin/iptables -A OUTPUT -o eth0 -p tcp --sport 22 -m state --state ESTABLISHED -j ACCEPT
 
 
 Allow Incoming HTTP and HTTPS
 -----------------------------
 sudo /sbin/iptables -A INPUT -i eth0 -p tcp --dport 80 -m state --state NEW,ESTABLISHED -j ACCEPT
 sudo /sbin/iptables -A OUTPUT -o eth0 -p tcp --sport 80 -m state --state ESTABLISHED -j ACCEPT
 
 
 sudo /sbin/iptables -A INPUT -i eth0 -p tcp --dport 443 -m state --state NEW,ESTABLISHED -j ACCEPT
 sudo /sbin/iptables -A OUTPUT -o eth0 -p tcp --sport 443 -m state --state ESTABLISHED -j ACCEPT
 
 
 
 Combine Multiple Rules Together using MultiPorts
 ------------------------------------------------
 sudo /sbin/iptables -A INPUT -i eth0 -p tcp -m multiport --dports 22,80,443 -m state --state NEW,ESTABLISHED -j ACCEPT
 sudo /sbin/iptables -A OUTPUT -o eth0 -p tcp -m multiport --sports 22,80,443 -m state --state ESTABLISHED -j ACCEPT
 
 
 Allow Outgoing SSH
 ------------------
 sudo /sbin/iptables -A OUTPUT -o eth0 -p tcp --dport 22 -m state --state NEW,ESTABLISHED -j ACCEPT
 sudo /sbin/iptables -A INPUT -i eth0 -p tcp --sport 22 -m state --state ESTABLISHED -j ACCEPT
 
 
 
 Allow Outgoing SSH only to a Specific Network
 
 
 
 
 
 ####################
 # MD5 Hashing Demo #
 ####################
 mkdir ~/demo
 cd ~/demo
 
 
 
 mkdir hashdemo
 cd hashdemo
 echo test > test.txt
 cat test.txt
 md5sum test.txt
 echo hello >> test.txt
 cat test.txt
 md5sum test.txt
 cd ..
 
 
 
 Reference:
 https://www.howtoforge.com/tutorial/linux-commandline-encryption-tools/
 
 
 #################################
 # Symmetric Key Encryption Demo #
 #################################
 md5sum test.txt
 mkdir gpgdemo
 cd gpgdemo
 echo test > test.txt
 cat test.txt
 gpg -c test.txt
 	password
 	password
 ls | grep test
 cat test.txt
 cat test.txt.gpg
 rm -rf test.txt
 ls | grep test
 gpg -o output.txt test.txt.gpg
 
 
 #########################################################################################################################
 # Asymmetric Key Encryption Demo 											#
 #															#
 # Configure random number generator 											#
 # https://www.howtoforge.com/helping-the-random-number-generator-to-gain-enough-entropy-with-rng-tools-debian-lenny	#
 #########################################################################################################################
 
 sudo apt-get install rng-tools
 	strategicsec
 
 /etc/init.d/rng-tools start
 
 sudo rngd -r /dev/urandom
 	strategicsec
 
 
 echo hello > file1.txt
 echo goodbye > file2.txt
 echo green > file3.txt
 echo blue > file4.txt
 
 tar czf files.tar.gz *.txt
 
 gpg --gen-key
 	1
 	1024
 	0
 	y
 	John Doe
 	john@doe.com
 	--blank comment--
 	O
 		password
 		password
 
 
 
 gpg --armor --output file-enc-pubkey.txt --export 'John Doe'
 
 cat file-enc-pubkey.txt
 
 gpg --armor --output file-enc-privkey.asc --export-secret-keys 'John Doe'
 
 cat file-enc-privkey.asc
 
 gpg --encrypt --recipient 'John Doe' files.tar.gz
 
 rm -rf files.tar.gz *.txt
 
 tar -zxvf files.tar.gz.gpg
 
 gpg --output output.tar.gz --decrypt files.tar.gz.gpg
 	password
 
 tar -zxvf output.tar.gz
 
 
 Reference:
 http://linoxide.com/security/gpg-comand-linux-how-to-encrypt-and-decrypt-file/
 
 
 
 ############################
 # Encryption using OpenSSL #
 ############################
 openssl genrsa -out private_key.pem 1024
 openssl rsa -in private_key.pem -out public_key.pem -outform PEM -pubout
 
 
 echo hello > encrypt.txt
 openssl rsautl -encrypt -inkey public_key.pem -pubin -in encrypt.txt -out encrypt.dat
 
 cat encrypt.dat
 
 rm -rf encrypt.txt
 
 openssl rsautl -decrypt -inkey private_key.pem -in encrypt.dat -out decrypt.txt
 
 cat decrypt.txt
 
 
 ##################
 # SELinux Basics #
 ##################
 
 sudo apt-get install selinux selinux-utils
 	strategicsec
 
 
 - Change the SELinux mode in /etc/selinux/config (optional):
 
 - Enforcing
 sudo sed -i 's/SELINUX=.*/SELINUX=enforcing/' /etc/selinux/config
 	strategicsec
 
 - Permissive
 sudo sed -i 's/SELINUX=.*/SELINUX=permissive/' /etc/selinux/config
 	strategicsec
 
 - Reboot
 
 Reference:
 http://www.techrepublic.com/blog/linux-and-open-source/practical-selinux-for-the-beginner-contexts-and-labels/
 
 
 ############
 # AppArmor #
 ############
 Reference:
 http://www.thegeekstuff.com/2014/03/apparmor-ubuntu/
 
 
 
 
 ########################
 # Bash Shell Scripting #
 ########################
 http://www.thegeekstuff.com/2011/07/bash-for-loop-examples/
 http://www.thegeekstuff.com/2010/07/bash-string-manipulation/
 http://www.thegeekstuff.com/2012/05/encrypt-bash-shell-script/
 
 
 
 
 ############################
 # Ubuntu Server Build Task #
 ############################
 https://www.howtoforge.com/tutorial/perfect-server-ubuntu-16.04-with-apache-php-myqsl-pureftpd-bind-postfix-doveot-and-ispconfig/
 
 ############################
 # CentOS Server Build Task #
 ############################
 https://www.howtoforge.com/tutorial/perfect-server-centos-7-1-apache-mysql-php-pureftpd-postfix-dovecot-and-ispconfig3/
 
 
 
 
 #########################################################################
 # What kind of Linux am I on and how can I find out? 			#
 # Great reference: 							#
 # https://blog.g0tmi1k.com/2011/08/basic-linux-privilege-escalation/ 	#
 #########################################################################
 What’s the distribution type? What version?
 -------------------------------------------
 cat /etc/issue
 cat /etc/*-release
 cat /etc/lsb-release      		# Debian based
 cat /etc/redhat-release   		# Redhat based
 
 
 
 What’s the kernel version? Is it 64-bit?
 -------------------------------------------
 cat /proc/version
 uname -a
 uname -mrs
 rpm -q kernel
 dmesg | grep Linux
 ls /boot | grep vmlinuz-
 
 
 
 What can be learnt from the environmental variables?
 ----------------------------------------------------
 cat /etc/profile
 cat /etc/bashrc
 cat ~/.bash_profile
 cat ~/.bashrc
 cat ~/.bash_logout
 env
 set
 
 
 What services are running? Which service has which user privilege?
 ------------------------------------------------------------------
 ps aux
 ps -ef
 top
 cat /etc/services
 
 
 Which service(s) are been running by root? Of these services, which are vulnerable - it’s worth a double check!
 ---------------------------------------------------------------------------------------------------------------
 ps aux | grep root
 ps -ef | grep root
 
 
 
 What applications are installed? What version are they? Are they currently running?
 ------------------------------------------------------------------------------------
 ls -alh /usr/bin/
 ls -alh /sbin/
 dpkg -l
 dpkg --get-selections | grep -v deinstall
 rpm -qa
 ls -alh /var/cache/apt/archives
 ls -alh /var/cache/yum/
 
 
 Any of the service(s) settings misconfigured? Are any (vulnerable) plugins attached?
 ------------------------------------------------------------------------------------
 cat /etc/syslog.conf
 cat /etc/chttp.conf
 cat /etc/lighttpd.conf
 cat /etc/cups/cupsd.conf
 cat /etc/inetd.conf
 cat /etc/apache2/apache2.conf
 cat /etc/my.conf
 cat /etc/httpd/conf/httpd.conf
 cat /opt/lampp/etc/httpd.conf
 ls -aRl /etc/ | awk '$1 ~ /^.*r.*/'
 
 
 
 What jobs are scheduled?
 ------------------------
 crontab -l
 ls -alh /var/spool/cron
 ls -al /etc/ | grep cron
 ls -al /etc/cron*
 cat /etc/cron*
 cat /etc/at.allow
 cat /etc/at.deny
 cat /etc/cron.allow
 cat /etc/cron.deny
 cat /etc/crontab
 cat /etc/anacrontab
 cat /var/spool/cron/crontabs/root
 
 
 Any plain text usernames and/or passwords?
 ------------------------------------------
 grep -i user [filename]
 grep -i pass [filename]
 grep -C 5 "password" [filename]
 find . -name "*.php" -print0 | xargs -0 grep -i -n "var $password"   		# Search for Joomla passwords
 
 
 What NIC(s) does the system have? Is it connected to another network?
 ---------------------------------------------------------------------
 /sbin/ifconfig -a
 cat /etc/network/interfaces
 cat /etc/sysconfig/network
 
 
 What are the network configuration settings? What can you find out about this network? DHCP server? DNS server? Gateway?
 ------------------------------------------------------------------------------------------------------------------------
 cat /etc/resolv.conf
 cat /etc/sysconfig/network
 cat /etc/networks
 sudo iptables -L
 hostname
 dnsdomainname
 
 What other users & hosts are communicating with the system?
 -----------------------------------------------------------
 lsof -i
 lsof -i :80
 grep 80 /etc/services
 netstat -antup
 netstat -antpx
 netstat -tulpn
 chkconfig --list
 chkconfig --list | grep 3:on
 last
 w
 
 
 
 Whats cached? IP and/or MAC addresses
 -------------------------------------
 arp -e
 route
 /sbin/route -nee
 
 
 Who are you? Who is logged in? Who has been logged in? Who else is there? Who can do what?
 ------------------------------------------------------------------------------------------
 id
 who
 w
 last
 cat /etc/passwd | cut -d:    # List of users
 grep -v -E "^#" /etc/passwd | awk -F: '$3 == 0 { print $1}'   # List of super users
 awk -F: '($3 == "0") {print}' /etc/passwd   # List of super users
 sudo cat /etc/sudoers
 sudo -l
 
 
 
 What sensitive files can be found?
 ----------------------------------
 cat /etc/passwd
 cat /etc/group
 sudo cat /etc/shadow
 ls -alh /var/mail/
 
 
 
 Anything “interesting” in the home directorie(s)? If it’s possible to access
 ----------------------------------------------------------------------------
 ls -ahlR /root/
 ls -ahlR /home/
 
 
 Are there any passwords in; scripts, databases, configuration files or log files? Default paths and locations for passwords
 ---------------------------------------------------------------------------------------------------------------------------
 cat /var/apache2/config.inc
 cat /var/lib/mysql/mysql/user.MYD
 sudo cat /root/anaconda-ks.cfg
 
 
 What has the user being doing? Is there any password in plain text? What have they been edting?
 -----------------------------------------------------------------------------------------------
 cat ~/.bash_history
 cat ~/.nano_history
 cat ~/.atftp_history
 cat ~/.mysql_history
 cat ~/.php_history
 
 
 
 What user information can be found?
 -----------------------------------
 cat ~/.bashrc
 cat ~/.profile
 cat /var/mail/root
 cat /var/spool/mail/root
 
 
 Can private-key information be found?
 -------------------------------------
 cat ~/.ssh/authorized_keys
 cat ~/.ssh/identity.pub
 cat ~/.ssh/identity
 cat ~/.ssh/id_rsa.pub
 cat ~/.ssh/id_rsa
 cat ~/.ssh/id_dsa.pub
 cat ~/.ssh/id_dsa
 cat /etc/ssh/ssh_config
 cat /etc/ssh/sshd_config
 cat /etc/ssh/ssh_host_dsa_key.pub
 cat /etc/ssh/ssh_host_dsa_key
 cat /etc/ssh/ssh_host_rsa_key.pub
 cat /etc/ssh/ssh_host_rsa_key
 cat /etc/ssh/ssh_host_key.pub
 cat /etc/ssh/ssh_host_key
 
 
 Any settings/files (hidden) on website? Any settings file with database information?
 ------------------------------------------------------------------------------------
 ls -alhR /var/www/
 ls -alhR /srv/www/htdocs/
 ls -alhR /usr/local/www/apache22/data/
 ls -alhR /opt/lampp/htdocs/
 ls -alhR /var/www/html/
 
 
 Is there anything in the log file(s) (Could help with “Local File Includes”!)
 -----------------------------------------------------------------------------
 cat /etc/httpd/logs/access_log
 cat /etc/httpd/logs/access.log
 cat /etc/httpd/logs/error_log
 cat /etc/httpd/logs/error.log
 cat /var/log/apache2/access_log
 cat /var/log/apache2/access.log
 cat /var/log/apache2/error_log
 cat /var/log/apache2/error.log
 cat /var/log/apache/access_log
 cat /var/log/apache/access.log
 cat /var/log/auth.log
 cat /var/log/chttp.log
 cat /var/log/cups/error_log
 cat /var/log/dpkg.log
 cat /var/log/faillog
 cat /var/log/httpd/access_log
 cat /var/log/httpd/access.log
 cat /var/log/httpd/error_log
 cat /var/log/httpd/error.log
 cat /var/log/lastlog
 cat /var/log/lighttpd/access.log
 cat /var/log/lighttpd/error.log
 cat /var/log/lighttpd/lighttpd.access.log
 cat /var/log/lighttpd/lighttpd.error.log
 cat /var/log/messages
 cat /var/log/secure
 cat /var/log/syslog
 cat /var/log/wtmp
 cat /var/log/xferlog
 cat /var/log/yum.log
 cat /var/run/utmp
 cat /var/webmin/miniserv.log
 cat /var/www/logs/access_log
 cat /var/www/logs/access.log
 ls -alh /var/lib/dhcp3/
 ls -alh /var/log/postgresql/
 ls -alh /var/log/proftpd/
 ls -alh /var/log/samba/
 
 Note: auth.log, boot, btmp, daemon.log, debug, dmesg, kern.log, mail.info, mail.log, mail.warn, messages, syslog, udev, wtmp
 
 
 ###########################
 # Target IP Determination #
 ###########################
 - This portion starts the actual workshop content
 - Zone Transfer fails on most domains, but here is an example of one that works:
 dig axfr heartinternet.co.uk  @ns.heartinternet.co.uk
 
 
 - Usually you will need to do a DNS brute-force with something like blindcrawl or fierce
 perl blindcrawl.pl -d motorola.com
 	Look up the IP addresses at:
 	http://www.networksolutions.com/whois/index.jsp
 
 
 - Note: If you are on a different machine and need to download blindcrawl can you download it this way:
 wget dl.packetstormsecurity.net/UNIX/scanners/blindcrawl.pl
 chmod +x blindcrawl.pl
 
 
 
 cd ~/toolz/fierce2
 sudo apt-get install -y cpanminus cpan-listchanges cpanoutdated libappconfig-perl libyaml-appconfig-perl libnetaddr-ip-perl libnet-cidr-perl vim subversion
 	strategicsec
 
 
 - Note: Only run this 'svn co' command below if you are NOT on the strategicsec VM:
 svn co https://svn.assembla.com/svn/fierce/fierce2/trunk/ fierce2/
 
 
 cd ~/toolz/fierce2
 wget http://search.cpan.org/CPAN/authors/id/A/AB/ABW/Template-Toolkit-2.14.tar.gz
 tar -zxvf Template-Toolkit-2.14.tar.gz
 cd Template-Toolkit-2.14/
 perl Makefile.PL
 	y
 	y
 	n
 	y
 sudo make install
      strategicsec
 
 cd ..
 
 sudo bash install.sh
      strategicsec
 
 ./fierce
 
 ./fierce -dns motorola.com
 
 cd ~/toolz/
 
 - Note: Only run these 'wget, gcc, chmod' commands below if you are NOT on the strategicsec VM:
 wget https://raw.githubusercontent.com/BenDrysdale/ipcrawl/master/ipcrawl.c
 gcc -o ipcrawl ipcrawl.c
 chmod +x ipcrawl
 
 
 
 - Here we do a forward lookup against an entire IP range. Basically take every IP in the range and see what it's hostname is
 cd ~/toolz/
 ./ipcrawl 148.87.1.1 148.87.1.254				(DNS forward lookup against an IP range)
 
 
 sudo nmap -sL 148.87.1.0-255
      strategicsec
 
 sudo nmap -sL 148.87.1.0-255 | grep oracle
      strategicsec
 
 - Reference: http://blog.depthsecurity.com/2012/01/obtaining-hostdomain-names-through-ssl.html
 sudo nmap -p 443,444,8443,8080,8088 --script=ssl-cert --open 144.189.100.1-254
      strategicsec
 
 
 
 
 ###########################
 # Load Balancer Detection #
 ###########################
 
 - Here are some options to use for identifying load balancers:
 	- http://toolbar.netcraft.com/site_report/
 	- Firefox LiveHTTP Headers
 
 
 - Here are some command-line options to use for identifying load balancers:
 
 dig google.com
 
 cd ~/toolz
 ./lbd-0.1.sh google.com
 
 
 halberd microsoft.com
 halberd motorola.com
 halberd oracle.com
 
 
 
 
 
 ######################################
 # Web Application Firewall Detection #
 ######################################
 
 cd ~/toolz/wafw00f
 python wafw00f.py http://www.oracle.com
 python wafw00f.py http://www.strategicsec.com
 
 
 cd ~/toolz/
 sudo nmap -p 80 --script http-waf-detect.nse oracle.com
      strategicsec
 
 sudo nmap -p 80 --script http-waf-detect.nse healthcare.gov
      strategicsec
 
 
 #########################
 # Playing with Nmap NSE #
 #########################
 
 nmap -Pn -p80 --script ip-geolocation-* strategicsec.com
 
 nmap -p80 --script dns-brute strategicsec.com
 
 nmap --script http-robtex-reverse-ip secore.info
 
 nmap -Pn -p80 --script=http-headers strategicsec.com
 
 
 ls /usr/share/nmap/scripts | grep http
 nmap -Pn -p80 --script=http-* strategicsec.com
 
 ############
 # Nmap NSE #
 ############
 
 - Reference for this tutorial is:
 https://thesprawl.org/research/writing-nse-scripts-for-vulnerability-scanning/
 
 ----------------------------------------------------------------------
 sudo vi /usr/share/nmap/scripts/intro-nse.nse
      strategicsec
 
 
 
 -- The Head Section --
 -- The Rule Section --
 portrule = function(host, port)
     return port.protocol == "tcp"
             and port.number == 80
             and port.state == "open"
 end
 
 -- The Action Section --
 action = function(host, port)
     return "I love Linux!"
 end
 ----------------------------------------------------------------------
 
 - Ok, now that we've made that change let's run the script
 sudo nmap --script=/usr/share/nmap/scripts/intro-nse.nse strategicsec.com -p 22,80,443
 
 
 
 
 
 
 ----------------------------------------------------------------------
 sudo vi /usr/share/nmap/scripts/intro-nse.nse
 
 -- The Head Section --
 local shortport = require "shortport"
 
 -- The Rule Section --
 portrule = shortport.http
 
 
 -- The Action Section --
 action = function(host, port)
     return "I still love Linux!"
 end
 ----------------------------------------------------------------------
 
 - Ok, now that we've made that change let's run the script
 sudo nmap --script=/usr/share/nmap/scripts/intro-nse.nse strategicsec.com -p 22,80,443
 
 
 
 
 
 
 
 OK, now let's have some fun with my buddy Carlos Perez's website which you should have been looking at quite a lot if you were trying to get Ruby 2.1.5 working.
 
 ----------------------------------------------------------------------
 sudo vi /usr/share/nmap/scripts/intro-nse.nse
 
 -- The Head Section --
 local shortport = require "shortport"
 local http = require "http"
 
 -- The Rule Section --
 portrule = shortport.http
 
 -- The Action Section --
 action = function(host, port)
 
     local uri = "/installing-metasploit-in-ubunt/"
     local response = http.get(host, port, uri)
     return response.status
 
 end
 ----------------------------------------------------------------------
 
 - Ok, now that we've made that change let's run the script
 sudo nmap --script=/usr/share/nmap/scripts/intro-nse.nse darkoperator.com -p 22,80,443
 
 
 
 
 ----------------------------------------------------------------------
 sudo vi /usr/share/nmap/scripts/intro-nse.nse
 
 -- The Head Section --
 local shortport = require "shortport"
 local http = require "http"
 
 -- The Rule Section --
 portrule = shortport.http
 
 -- The Action Section --
 action = function(host, port)
 
     local uri = "/installing-metasploit-in-ubunt/"
     local response = http.get(host, port, uri)
 
     if ( response.status == 200 ) then
         return response.body
     end
 
 end
 ----------------------------------------------------------------------
 
 - Ok, now that we've made that change let's run the script
 sudo nmap --script=/usr/share/nmap/scripts/intro-nse.nse darkoperator.com -p 22,80,443
 
 
 
 
 
 
 
 
 
 ----------------------------------------------------------------------
 sudo vi /usr/share/nmap/scripts/intro-nse.nse
 
 -- The Head Section --
 local shortport = require "shortport"
 local http = require "http"
 local string = require "string"
 
 -- The Rule Section --
 portrule = shortport.http
 
 -- The Action Section --
 action = function(host, port)
 
     local uri = "/installing-metasploit-in-ubunt/"
     local response = http.get(host, port, uri)
 
     if ( response.status == 200 ) then
         local title = string.match(response.body, "Installing Metasploit in Ubuntu and Debian")
         return title
     end
 
 end
 ----------------------------------------------------------------------
 
 - Ok, now that we've made that change let's run the script
 sudo nmap --script=/usr/share/nmap/scripts/intro-nse.nse darkoperator.com -p 22,80,443
 
 
 
 
 
 
 
 ----------------------------------------------------------------------
 sudo vi /usr/share/nmap/scripts/intro-nse.nse
 
 -- The Head Section --
 local shortport = require "shortport"
 local http = require "http"
 local string = require "string"
 
 -- The Rule Section --
 portrule = shortport.http
 
 -- The Action Section --
 action = function(host, port)
 
     local uri = "/installing-metasploit-in-ubunt/"
     local response = http.get(host, port, uri)
 
     if ( response.status == 200 ) then
         local title = string.match(response.body, "Installing Metasploit in Ubuntu and Debian")
 
         if (title) then
             return "Vulnerable"
         else
             return "Not Vulnerable"
         end
     end
 end
 
 ----------------------------------------------------------------------
 
 - Ok, now that we've made that change let's run the script
 sudo nmap --script=/usr/share/nmap/scripts/intro-nse.nse darkoperator.com -p 22,80,443
 
 
 
 ####################
 # Installing Scapy #
 ####################
 
 sudo apt-get update
 sudo apt-get install python-scapy python-pyx python-gnuplot
 
 
 - Reference Page For All Of The Commands We Will Be Running:
 http://samsclass.info/124/proj11/proj17-scapy.html
 
 
 
 
 
 - To run Scapy interactively
 
 	sudo scapy
 
 
 
 #####################################
 # Sending ICMPv4 Packets with scapy #
 #####################################
 
 - In the Linux machine, in the Terminal window, at the >>> prompt, type this command, and then press the Enter key:
 
     i = IP()
 
 
 
 
 - This creates an object named i of type IP. To see the properties of that object, use the display() method with this command:
 
     i.display()
 
 
 
 
 - Use these commands to set the destination IP address and display the properties of the i object again. Replace the IP address in the first command with the IP address of your target Windows machine:
 
     i.dst="192.168.54.184"
 
     i.display()
 
 
 
 
 - Notice that scapy automatically fills in your machine's source IP address.
 
 - Use these commands to create an object named ic of type ICMP and display its properties:
 
 
     ic = ICMP()
 
     ic.display()
 
 
 
 
 
 - Use this command to send the packet onto the network and listen to a single packet in response. Note that the third character is the numeral 1, not a lowercase L:
 
     sr1(i/ic)
 
 
 
 
 
 - This command sends and receives one packet, of type IP at layer 3 and ICMP at layer 4.
 
 
 - The Padding section shows the portion of the packet that carries higher-level data. In this case it contains only zeroes as padding.
 
 - Use this command to send a packet that is IP at layer 3, ICMP at layer 4, and that contains data with your name in it (replace YOUR NAME with your own name):
 
 
     sr1(i/ic/"YOUR NAME")
 
 
 - You should see a reply with a Raw section containing your name.
 
 
 
 ###################################
 # Sending a UDP Packet with Scapy #
 ###################################
 
 
 - Preparing the Target
 $ ncat -ulvp 4444
 
 
 
 
 --open another terminal--
 In the Linux machine, in the Terminal window, at the >>> prompt, type these commands, and then press the Enter key:
 
     u = UDP()
 
     u.display()
 
 
 
 - This creates an object named u of type UDP, and displays its properties.
 
 - Execute these commands to change the destination port to 4444 and display the properties again:
 
     i.dst="192.168.54.184"				<--- replace this with a host that you can run netcat on (ex: another VM or your host computer)
 
     u.dport = 4444
 
     u.display()
 
 
 
 - Execute this command to send the packet to the Windows machine:
 
     send(i/u/"YOUR NAME SENT VIA UDP\n")
 
 
 
 - On the Windows target, you should see the message appear
 
 
 p = sr1(IP(dst="8.8.8.8")/UDP()/DNS(rd=1,qd=DNSQR(qname="strategicsec.com")))
 
 
 p=sr(IP(dst="192.168.230.2")/TCP(dport=[23,80,53,443]))
 
 
 p=sr(IP(dst="192.168.230.2")/TCP(dport=[80]))
 
 
 traceroute (["strategicsec.com"], maxttl=20)
 	This is actually an ICMP & TCP traceroute, default destination is port 80
 
 
 traceroute (["strategicsec.com"], dport=443, maxttl=20)
 
 
 
 ############################
 # Ping Sweeping with Scapy #
 ############################
 
 ----------------------------------------------------------------------
 vi scapy-pingsweep.py
 
 
 #!/usr/bin/python
 from scapy.all import *
 
 TIMEOUT = 2
 conf.verb = 0
 for ip in range(0, 256):
     packet = IP(dst="192.168.1." + str(ip), ttl=20)/ICMP()
     reply = sr1(packet, timeout=TIMEOUT)
     if not (reply is None):
          print reply.dst, "is online"
     else:
          print "Timeout waiting for %s" % packet[IP].dst
 ----------------------------------------------------------------------
 
 
 ###############################################
 # Checking out some scapy based port scanners #
 ###############################################
 
 wget https://s3.amazonaws.com/SecureNinja/Python/rdp_scan.py
 
 cat rdp_scan.py
 
 sudo python rdp_scan.py 192.168.1.250
 
 
 
 Log in to your Ubuntu system with the username 'malware' and the password 'malware'.
 
 After logging please open a terminal window and type the following commands:
 
 cd Desktop/
 
 
 This is actual Malware (remmeber to run it in a VM - the password to extract it is 'infected':
 
 wget https://s3.amazonaws.com/StrategicSec-Files/MalwareAnalysis/malware-password-is-infected.zip
 wget http://www.beenuarora.com/code/analyse_malware.py
 
 unzip malware-password-is-infected.zip
         infected
 
 file malware.exe
 
 mv malware.exe malware.pdf
 
 file malware.pdf
 
 mv malware.pdf malware.exe
 
 hexdump -n 2 -C malware.exe
 
 ***What is '4d 5a' or 'MZ'***
 Reference: http://www.garykessler.net/library/file_sigs.html
 
 
 objdump -x malware.exe
 
 strings malware.exe
 
 strings --all malware.exe | head -n 6
 
 strings malware.exe | grep -i dll
 
 strings malware.exe | grep -i library
 
 strings malware.exe | grep -i reg
 
 strings malware.exe | grep -i hkey
 
 strings malware.exe | grep -i hku
 
                                                         - We didn't see anything like HKLM, HKCU or other registry type stuff
 
 strings malware.exe | grep -i irc
 
 strings malware.exe | grep -i join
 
 strings malware.exe | grep -i admin
 
 strings malware.exe | grep -i list
 
 
                                                         - List of IRC commands: https://en.wikipedia.org/wiki/List_of_Internet_Relay_Chat_commands
 sudo apt-get install -y python-pefile
 
 vi analyse_malware.py
 
 python analyse_malware.py malware.exe
 
 
 Here is a 2 million sample malware DB created by Derek Morton that you can use to start your DB with:
 http://derekmorton.name/files/malware_12-14-12.sql.bz2
 
 
 Malware Repositories:
 http://malshare.com/index.php
 http://www.malwareblacklist.com/
 http://www.virusign.com/
 http://virusshare.com/
 http://www.tekdefense.com/downloads/malware-samples/
 
 ###############################
 # Creating a Malware Database #
 ###############################
 
 Creating a malware database (sqlite)
 ------------------------------------
 wget https://malwarecookbook.googlecode.com/svn/trunk/4/4/avsubmit.py
 wget https://s3.amazonaws.com/StrategicSec-Files/MalwareAnalysis/malware-password-is-infected.zip
 unzip malware-password-is-infected.zip
         infected
 python avsubmit.py --init
 python avsubmit.py -f malware.exe -e
 
 
 
 
 
 Creating a malware database (mysql)
 -----------------------------------
 Step 1: Installing MySQL database
 Run the following command in the terminal:
 
 sudo apt-get install mysql-server
 
 Step 2: Installing Python MySQLdb module
 Run the following command in the terminal:
 
 sudo apt-get build-dep python-mysqldb
 sudo apt-get install python-mysqldb
 
 Step 3: Logging in
 Run the following command in the terminal:
 
 mysql -u root -p                                        (set a password of 'malware')
 
 Then create one database by running following command:
 
 create database malware;
 
 
 
 wget https://raw.githubusercontent.com/dcmorton/MalwareTools/master/mal_to_db.py
 
 vi mal_to_db.py -i                      (fill in database connection information)
 
 python mal_to_db.py -i
 
 python mal_to_db.py -i -f malware.exe -u
 
 
 mysql -u root -p
         malware
 
 mysql> use malware;
 
 select id,md5,sha1,sha256,time FROM files;
 
 mysql> quit;
 
 
 
 
 
 ##############################
 # Lesson 32: Setting up Yara #
 ##############################
 
 
 sudo apt-get install clamav clamav-freshclam
 
 sudo freshclam
 
 sudo Clamscan
 
 sudo apt-get install libpcre3 libpcre3-dev
 
 wget https://github.com/plusvic/yara/archive/v3.1.0.tar.gz
 
 wget http://yara-project.googlecode.com/files/yara-python-1.4.tar.gz
 
 tar -zxvf v3.1.0.tar.gz
 
 cd yara-3.1.0/
 
 ./bootstrap.sh
 
 ./configure
 
 make
 
 make check
 
 sudo make install
 
 cd yara-python/
 
 python setup.py build
 
 sudo python setup.py install
 
 cd ..
 
 yara -v
 
 wget https://malwarecookbook.googlecode.com/svn-history/r5/trunk/3/3/clamav_to_yara.py
 
 sigtool -u /var/lib/clamav/main.cvd
 
 python clamav_to_yara.py -f main.ndb -o clamav.yara
 
 wget https://s3.amazonaws.com/StrategicSec-Files/MalwareAnalysis/malware-password-is-infected.zip
 
 unzip malware-password-is-infected.zip
         infected
 
 mkdir malcode/
 
 mv malware.exe malcode/
 
 vi testrule.yara
 ----------------
 rule IsPE
 {
 meta:
 description = "Windows executable file"
 
 condition:
 // MZ signature at offset 0 and ...
 uint16(0) == 0x5A4D and
 // ... PE signature at offset stored in MZ header at 0x3C
 uint32(uint32(0x3C)) == 0x00004550
 }
 
 rule has_no_DEP
 {
 meta:
 description = "DEP is not enabled"
 
 condition:
 IsPE and
 uint16(uint32(0x3C)+0x5E) & 0x00100 == 0
 }
 
 rule has_no_ASLR
 {
 meta:
 description = "ASLR is not enabled"
 
 condition:
 IsPE and
 uint16(uint32(0x3C)+0x5E) & 0x0040 == 0
 }
 ----------------
 
 
 yara testrule.yara malcode/malware.exe
 
 mkdir rules/
 
 cd rules/
 
 wget https://malwarecookbook.googlecode.com/svn-history/r5/trunk/3/5/capabilities.yara
 
 wget https://malwarecookbook.googlecode.com/svn-history/r5/trunk/3/6/magic.yara
 
 wget https://malwarecookbook.googlecode.com/svn-history/r5/trunk/3/4/packer.yara
 
 cd ..
 
 yara rules/ malcode/malware.exe
 
 wget https://github.com/Xen0ph0n/YaraGenerator/archive/master.zip
 
 unzip master.zip
 
 cd YaraGenerator-master/
 
 python yaraGenerator.py ../malcode/ -r Test-Rule-2 -a "Joe McCray" -d "Test Rule Made With Yara Generator" -t "TEST" -f "exe"
 
 cat Test-Rule-2.yar
 
 wget http://the.earth.li/~sgtatham/putty/latest/x86/putty.exe
 
 yara Test-Rule-2.yar putty.exe
 
 
 
 
 ####################
 # Additional Tasks #
 ####################
 
 - PE Scanner:
 https://malwarecookbook.googlecode.com/svn/trunk/3/8/pescanner.py
 http://www.beenuarora.com/code/analyse_malware.py
 
 - AV submission:
 http://malwarecookbook.googlecode.com/svn/trunk/4/4/avsubmit.py
 https://raw.githubusercontent.com/dcmorton/MalwareTools/master/vtsubmit.py
 
 - Malware Database Creation:
 https://raw.githubusercontent.com/dcmorton/MalwareTools/master/mal_to_db.py
 
 
 
 
 cd /home/malware/Desktop/Browser\ Forensics
 
 ls | grep pcap
 
 perl chaosreader.pl suspicious-time.pcap
 
 firefox index.html
 
 cat index.text | grep -v '"' | grep -oE "([0-9]+\.){3}[0-9]+.*\)"
 
 cat index.text | grep -v '"' | grep -oE "([0-9]+\.){3}[0-9]+.*\)" | awk '{print $4, $5, $6}' | sort | uniq -c | sort -nr
 
 sudo tshark -i eth0 -r suspicious-time.pcap -qz io,phs
 
 
 
 
 for i in session_00[0-9]*.www.html; do srcip=`cat "$i" | grep 'www:\ ' | awk '{print $2}' |  cut -d ':' -f1`; dstip=`cat "$i" | grep 'www:\ ' | awk '{print $4}' |  cut -d ':' -f1`; host=`cat "$i" | grep 'Host:\ ' | sort -u | sed -e 's/Host:\ //g'`; echo "$srcip --> $dstip = $host";  done | sort -u
 
 
 tshark -r suspicious-time.pcap | grep 'NB.*20\>' | sed -e 's/<[^>]*>//g' | awk '{print $3,$4,$9}' | sort -u
 
 
 tshark -r suspicious-time.pcap | grep 'NB.*1e\>' | sed -e 's/<[^>]*>//g' | awk '{print $3,$4,$9}' | sort -u
 
 
 tshark -r suspicious-time.pcap arp | grep has | awk '{print $3," -> ",$9}' | tr -d '?'
 
 
 tshark –r suspicious-time.pcap -Tfields -e “eth.src” | sort | uniq
 
 
 tshark -r suspicious-time.pcap -R "browser.command==1" -Tfields -e "ip.src" -e "browser.server" | uniq
 
 tshark -r suspicious-time.pcap -Tfields -e "eth.src" | sort |uniq
 
 tshark -r suspicious-time.pcap -qz ip_hosts,tree
 
 tshark -r suspicious-time.pcap -R "http.request" -Tfields -e "ip.src" -e "http.user_agent" | uniq
 
 tshark -r suspicious-time.pcap -R "dns" -T fields -e "ip.src" -e "dns.flags.response" -e "dns.qry.name"
 
 
 whois rapidshare.com.eyu32.ru
 
 whois sploitme.com.cn
 
 
 
 
 
 tshark -r suspicious-time.pcap -R http.request  -T fields -e ip.src -e ip.dst -e http.host -e http.request.uri | awk '{print $1," -> ",$2, "\t: ","http://"$3$4}'
 
 tshark -r suspicious-time.pcap -R http.request  -T fields -e ip.src -e ip.dst -e http.host -e http.request.uri | awk '{print $1," -> ",$2, "\t: ","http://"$3$4}' | grep -v -e '\/image' -e '.css' -e '.ico' -e google -e 'honeynet.org'
 
 tshark -r suspicious-time.pcap -qz http_req,tree
 
 tshark -r suspicious-time.pcap -R "data-text-lines contains \"<script\"" -T fields -e frame.number -e ip.src -e ip.dst
 
 tshark -r suspicious-time.pcap -R http.request  -T fields -e ip.src -e ip.dst -e http.host -e http.request.uri | awk '{print $1," -> ",$2, "\t: ","http://"$3$4}' | grep -v -e '\/image' -e '.css' -e '.ico'  | grep 10.0.3.15 | sed -e 's/\?[^cse].*/\?\.\.\./g'
 
 
 
 
 
 cd /home/malware/Desktop/Banking\ Troubles/Volatility
 
 python volatility
 python volatility pslist -f ../hn_forensics.vmem
 python volatility connscan2 -f ../hn_forensics.vmem
 python volatility memdmp -p 888 -f ../hn_forensics.vmem
 python volatility memdmp -p 1752 -f ../hn_forensics.vmem
                                 ***Takes a few min***
 strings 1752.dmp | grep "^http://" | sort | uniq
 strings 1752.dmp | grep "Ahttps://" | uniq -u
 cd ..
 cd foremost-1.5.7/
 foremost -i ../Volatility/1752.dmp -t pdf -o output/pdf2
 cd /home/malware/Desktop/Banking\ Troubles/foremost-1.5.7/output/pdf2/
 cat audit.txt
 cd pdf
 ls
 grep -i javascript *.pdf
 
 
 
 cd /home/malware/Desktop/Banking\ Troubles/foremost-1.5.7/output/pdf5/pdf
 wget http://didierstevens.com/files/software/pdf-parser_V0_6_4.zip
 unzip pdf-parser_V0_6_4.zip
 python pdf-parser.py -s javascript --raw 00600328.pdf
 python pdf-parser.py --object 11 00600328.pdf
 python pdf-parser.py --object 1054 --raw --filter 00600328.pdf > malicious.js
 
 cat malicious.js
 
 
 *****Sorry - no time to cover javascript de-obfuscation today*****
 
 
 cd /home/malware/Desktop/Banking\ Troubles/Volatility/
 python volatility files -f ../hn_forensics.vmem > files
 cat files | less
 python volatility malfind -f ../hn_forensics.vmem -d out
 ls out/
 python volatility hivescan -f ../hn_forensics.vmem
 python volatility printkey -o 0xe1526748 -f ../hn_forensics.vmem Microsoft "Windows NT" CurrentVersion Winlogon
 for file in $(ls *.dmp); do echo $file; strings $file | grep bankofamerica; done