This "Swiss Army knife of networking" read and writes data over TCP/UDP from the command line. Used to connect to services on a given port.
What is netcat?
This insecure protocol uses port 23.
What is telnet?
This command changes a file's or folder's permissions. It is commonly used to make files executable.
What is chmod?
What is a DDOS?
This vulnerability is exploited before the vendor knows, and it has no immediate patch.
What is a zero-day?
This Linux Distribution is an alternative to a more well-known security focused distro.
What is Parrot OS?
Windows remote desktop runs on this port.
What is 3389?
This command lists all listening ports on a system. Don't forget to add tuna!
What is ss (or netstat)?
I know a website is vulnerable to path traversal. How can I do it?
What is ../..?
At this point, I'm rushing. What underlying web backend recently had a CVSS 10?
What is PHP?
For bonus points: Other than updating or turning the machine off, how can I remedy the issue?
This open-source tool disassembled and decompiles binaries.
What is Ghidra?
DHCP has a four step handshake. Name them in order.
What is Discover, Offer, Request, Accept?
I need to view my Linux kernel logs.
What is dmesg?
At a coffee shop, you connect to "Cafe Free WiFi". You notice someone is in the back with a USB WiFi antenna.
What is an evil twin?
In 2024, a developer noticed SSH logins running slightly slower than normal, and discovered a compromised utility used for compression.
What is XZ-Utils?
This online tool is used to search for Wi-Fi networks.
What is wigle?
This protocol maps IP addresses to MAC addresses.
What is ARP?
Something is using port 8090 and I need to know which process.
What is lsof?
You run a suspicious program, and suddenly your wallpaper changes and nothing works anymore. You get a pop-up saying your files are now useless, and being held for money.
What is ransomware?
This Java library let attackers run code by having a crafted string logged. It was most used on Minecraft servers.
What is Log4Shell?
I have been given Windows passwords. What tool that uses rainbow tables is made especially for this purpose?
What is Ophcrack?
SYN, SYN/ACK, ACK is the TCP three-way connection handshake. How do I cleanly close one?
What is FIN, FIN/ACK, FIN, FIN/ACK?
What is sort, uniq -c, sort -n?
Suddenly, your phone no longer can text or call. What might have happened, if the network is not down?
What is SIM swapping?
WHO discovered the WannaCry killswitch?
Who is Marcus Hutchins?