All things Linux
Use this command when looking for open ports on a machine (flags not necessary).
netstat or ss
What is the file extension for a file which contains a program that windows will be able to run?
This service maintains entire domains by managing users, computers, groups, and more.
Active Directory (AD)
What tool allows for a user to securely connect to and control a remote machine via the terminal?
SSH / Secure Shell
This attack consists of an attacker making use of many other systems, all of which spam a victim system, causing it to overload its resources and crash.
Distributed Denial of Service
This tool is a terminal multiplexer which allows you to open and manage several terminal 'panes', even on a headless machine.
Tmux
What is the name of the windows shell which allows the user to better control and automate tasks within their windows machine?
PowerShell
What type of authentication do many FTP servers support which allows users to connect without any real authentication?
Anonymous Authentication
This type of tool monitors for anomalous or malicious packets coming though a firewall or machine, but does not actively block the packets. What is this tool?
Intrusion Detection System
Once discreetly installed on a victims system, this type of malware monitors user input and sends this information back to the attacker. What type of malware is this?
Keylogger / Keystroke logger
This tool allows you to render files and directories immutable, meaning they cannot be changed or modified in anyway by anyone - not even root.
chattr
On a windows server, IIS is the web server package and can be used to manage websites, FTP sites, and more. What does IIS stand for?
Internet Information Services
What are the 3 main protocols used by email services?
IMAP, POP3, SMTP
What type of access control list would you use if you wanted only those that are on the list to have access to a resource?
White List
This linux tool/command is commonly used maliciously in order to transfer data from a system back to an attacker. What is the name of this tool/command?
Netcat (nc)
What branch of the unix family is pfSense built on?
FreeBSD
This storage medium is responsible for containing all of the low-level setting in a windows system, many of which are directly related to security. What is the name of this storage medium?
Registry / Windows Registry
What type of lookup zone is used to convert IPs into domain names?
Reverse Lookup Zones
This linux tool is a wrapper for iptables and allows for users to easily configure a host based firewall on their machine. What is this tool?
Uncomplicated Firewall / ufw
This famous attack came in the form of a worm which targeted Iranian Nuclear facilities and is allegedly the result of a joint effort between USA and Israel.
Stuxnet
This vulnerability was found in 2019 and allows root access to any user by using a single short command. What was the command and accompanying flag and flag-value?
Format: <command> <flag> <value>
sudo -u#-1
or
sudo -u#4294967295
What is the name of the key that allows a file to execute every time on startup?
Run
What command would you run to enable a website within an Apache web server?
a2ensite
This type of tool searches a system in an attempt to find any malware or otherwise suspicious files. What type of tool is this?
Antimalware
This vulnerability, which was seen in the WannaCry ransomeware, exploited a vulnerability in the SMB protocol. What is the name of this vulnerability?
Eternal Blue