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ctf

ftp Complete Tutorial in 10 Examples – Must-know Command for CTF

February 18, 2026 by pentestguides
FTP packets captured by Wireshark

Learn FTP in 10 simple examples, from connecting to uploading and downloading files. See how hackers steal FTP password and what are the secure alternatives

Categories Linux Commands Tags ctf, ftp, FTP protocol, ftps, linux command, pentest, scp, sftp Leave a comment

Netcat (nc) Full Tutorial – Easy TCP/UDP Guide

February 16, 2026February 15, 2026 by pentestguides
nc reverse shell illustration

Practical netcat (nc) guide for Linux: reverse shells, TCP/UDP connections, port scanning, file transfers, and key options for CTF and Pentesting.

Categories Linux Commands Tags ctf, exfiltration, file transfer, linux, linux command, nc, ncat, netcat, nmap, penetration testing, pentest, port scanning, reverse shell, ssh, tcp, udp Leave a comment

nmap Tutorial – the Ultimate Network Scanner

February 14, 2026 by pentestguides
nmap results running a NSE script

Master nmap with thist tutorial, from basic host discovery, port and service scanning to more advanced techniques like firewall evasion

Categories Pentest Tools - Networking Tags bug bounty, ctf, dns, enumeration, hackthebox, icmp, ip, network, nmap, penetration testing, pentest, port scan, reconnaissance, tcp, tryhackme, udp Leave a comment

Solving Lookup – TryHackMe Challenge Writeup

February 16, 2026February 12, 2026 by pentestguides
Lookup TryHackme cover image

Complete walkthrough of Lookup room on TryHackMe: form brute-forcing, elFinder CVE and 2 Linux misconfigurations lead us to the root flag.

Categories TryHackMe Challenge Tags ctf, curl, ffuf, hydra, linux, nmap, path hijacking, php, python, reverse shell, ssh, sudo, suid, tryhackme, web Leave a comment

Solving Basic Pentesting – TryHackMe Challenge Writeup

February 17, 2026February 11, 2026 by pentestguides
Basic Pentesting THM cover image

Full walkthrough of the TryHackMe Basic Pentesting room: web enumeration, SMB usernames, SSH access and SSH private key brute-force.

Categories TryHackMe Challenge Tags brute forcing, brute-force, ctf, ffuf, hydra, john, nmap, private key, privilege escalation, rockyou, smb, ssh, tryhackme, web Leave a comment

RootMe Writeup – Full TryHackMe CTF Solution

February 16, 2026February 8, 2026 by pentestguides
TryHackMe RootMe room official image

Full walkthrough of RootMe: reconnaissance, getting a PHP shell then a reverse shell, and elevating our privileges through a SUID misconfiguration

Categories TryHackMe Challenge Tags apache, ctf, ffuf, find, gobuster, nmap, php, privesc, privilege escalation, reconnaissance, reverse shell, suid, tryhackme, web, web shell Leave a comment

Corridor Writeup – TryHackMe IDOR Challenge

February 16, 2026February 7, 2026 by pentestguides
Corridor TryHackMe official image

Full walkthrough of the Corridor Challenge on TryHackMe. We find the flag by exploiting IDOR through a MD5 id in the URL of the web app.

Categories TryHackMe Challenge Tags ctf, curl, ffuf, hash, hashes, idor, MD5, md5sum, nmap, tryhackme, web Leave a comment

Lo-Fi Writeup on TryHackMe – File Inclusion

February 16, 2026February 6, 2026 by pentestguides
Lo-Fi TryHackMe official image

This writeup covers the solution of Lo-Fi room on TryHackMe. A PHP File Inclusion along with path traversal allow us to read the flag.

Categories TryHackMe Challenge Tags arbitrary file read, ctf, file inclusion, lfi, path traversal, php, tryhackme, web Leave a comment

TryHackMe TakeOver Writeup – Subdomain Challenge

February 16, 2026February 5, 2026 by pentestguides
TakeOver TryHackMe challenge official image

Full writeup of TakeOver from TryHackMe. Subdomain enumeration and TLS certificate inspection leads to the discovery of a secret subdomain

Categories TryHackMe Challenge Tags ctf, ffuf, https, nmap, ssl, ssl certificate, subdomain takeover, takeover, tls, tls certificate, tryhackme Leave a comment

TryHackMe “Agent T” Writeup – Easy Challenge

February 16, 2026February 4, 2026 by pentestguides
TryHackMe Agent T official image

Writeup of TryHackMe challenge “Agent T”. We exploit the backdoored version of PHP 8.1.0-dev to get Code Execution and read the flag.

Categories TryHackMe Challenge Tags backdoor, backdoored php, ctf, nc, nmap, php, reverse shell, tryhackme, web Leave a comment
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