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Linux For InfoSec Professionals 

Getting started with Linux
Linux file system and basic commands
Log parsing & malware analysis
Nmap NSE Scripting (using and writing your own NSE scripts)
Scapy (using and writing your own scapy scanning scripts)
Metasploit auxilliary and post modules

Linux+ Exam Prep 

CompTIA Linux+ covers common tasks in major distributions of Linux, including the Linux command line, basic maintenance, installing and configuring workstations, and networking. Linux+ is comprised of two exams – LX0-103 and LX0-104. Candidates must pass LX0-103 before taking LX0-104. 

Lessons

C1L1: InfoSecAddicts Intro to Linux & Comptia Linux+

Author: Joseph McCray

VMWare For this workshop, you'll need the latest version of VMWare Workstation (Windows), Fusion (Mac), or Player. http://www.vmware.com/ap/products/player.html Although you can get the VM to run in VirtualBox, I will not be supporting this configuration for this class. you can go to the following link and download and create your own virtual machine. https://s3.amazonaws.com/infosecaddicts-vms/Ubuntu-17-10-InfoSecAddictsVM.zip username: [...]

C1L3: Files

Author: Joseph McCray

FILES   cd ~ pwd ls cd LinuxBasics pwd cd ~ pwd cd LinuxBasics ls mkdir files cp one files/ ls files/ cd files/ cp ../two . ls cp ../three…

C1L4: VIM Demo

Author: Joseph McCray

VIM DEMO cd ~ sudo apt install -y vim infosecaddicts cd LinuxBasics mkdir vimlesson cd vimlesson vi lesson1.sh i(press “i” to get into INSERT mode and then paste in the…

C1L5: Permissions

Author: Joseph McCray

PERMISSIONS   We can determine a lot from examining the results of this command. The file “one” is owned by user “me.” Now “me” has the right to read and…

C1L6: Process Management

Author: Joseph McCray

PROCESS MANAGEMENT   You can list all of the signals that are possible to send with kill by typing: kill -l sudo kill -HUP pid_of_apache   The pkill command works…

C1L7: MD5 Hashing Demo

Author: Joseph McCray

MD5 HASHING DEMO cd ~/LinuxBasics 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 ..

C1L8: Symmetric Key Encryption Demo

Author: Joseph McCray

SYMMETRIC KEY ENCRYPTION DEMO cd ~/LinuxBasics 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…

C1L9: Asymmetric Key Encryption Demo

Author: Joseph McCray

Configure random number generator https://www.howtoforge.com/helping-the-random-number-generator-to-gain-enough-entropy-with-rng-tools-debian-lenn sudo apt install -y rng-tools infosecaddicts sudo /etc/init.d/rng-tools start sudo rngd -r /dev/urandom infosecaddicts echo hello > file1.txt echo goodbye > file2.txt echo green >…

C1L10: Encryption using OpenSSL

Author: Joseph McCray

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…

C1L11: Secure File/Folder Deletion

Author: Joseph McCray

SECURE FILE/FOLDER DELETION sudo apt install -y secure-delete wipe wget https://www.sans.org/security-resources/tcpip.pdf file tcpip.pdf sudo srm tcpip.pdf wget https://www.sans.org/security-resources/tcpip.pdf shred tcpip.pdf wget https://www.sans.org/security-resources/tcpip.pdf wipe tcpip.pdf

C1L13: Cisco Logs

Author: Joseph McCray

CISCO LOGS wget https://s3.amazonaws.com/infosecaddictsfiles/cisco.log AWK Basics To quickly demonstrate the print feature in awk, we can instruct it to show only the 5th word of each line. Here we will…

C1L14: The Scenario

Author: Joseph McCray

You’ve come across a file that has been flagged by one of your security products (AV Quarantine, HIPS, Spam Filter, Web Proxy, or digital forensics scripts). The fastest thing you…

C1L16: Yara Ninja

Author: Joseph McCray

YARA NINJA cd ~/Desktop sudo apt-get remove -y yara sudo apt -y install libtool wget https://github.com/VirusTotal/yara/archive/v3.6.0.zip unzip v3.6.0.zip cd yara-3.6.0 ./bootstrap.sh ./configure make sudo make install yara -v cd ~/Desktop…

C1L17: External DB Lookups

Author: Joseph McCray

Creating a malware database (sqlite) sudo apt install -y python-simplejson python-simplejson-dbg wget https://raw.githubusercontent.com/mboman/mart/master/bin/avsubmit.py python avsubmit.py -f wannacry.exe -e Analysis of the file can be found at: http://www.threatexpert.com/report.aspx?md5=84c82835a5d21bbcf75a61706d8ab549

C1L18: Creating a Malware Database

Author: Joseph McCray

Step 1: Installing MySQL database Run the following command in the terminal: sudo apt install -y mysql-server infosecaddicts Step 2: Installing Python MySQLdb module Run the following command in the…

C1L19: Linux For InfoSec Homework

Author: Joseph McCray

In order to receive your certificate of attendance, you must complete the all of the quizzes on the http://linuxsurvival.com/linux-tutorial-introduction/ website. Submit the results via email in an MS Word document with (naming…

C1L20: Linux For InfoSec Challenge

Author: Joseph McCray

In order to receive your certificate of proficiency you must complete all of the tasks covered in the Linux For InfoSec pastebin (http://pastebin.com/eduSfPy3). Submit the results via email in an…