Learn about PCAP files using Wireshark and crontab. Very intersting sudo exploit.
Learn about FTP and its connections, look through PCAP files using Wireshark and exploit some shady scripts.
Learn about sub-domain enumeration using wfuzz, explore LFI, brute-forcing and exploit shady scripts.
Learn about SQL Injection and hash cracking using hashcat.
Learn about common stego tools and methods, break ciphers, crack passwords and exploit shady scripts.
Learn about a specific tomcat exploit and how to work with gpg credentials.
Learn about set-uid bits and a very interesting priv-esc - involving systemctl.
Learn how to exploit LFI, combine it with FTP to get RCE. Learn about crontab and understand SSH.
Learn about directory enumeration, library hijacking and set-uid bits.
Dig into web stuff, brute-forcing and some dash of steganography. Learn about a neat sudo exploit.