The Advent of Cyber: Day 5: XXE - SOC-mas XX-what-ee? (TryHackMe)

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Link to the challenge on TryHackMe: Modern Web Stacks Introduction During a time-boxed engagement, the first tester to identify Apache/2.4.49 in a Server: header already knows the exact CVE before the

Link to the challenge/walkthrough on TryHackMe: Broken Authentication Introduction Authentication is the process by which a web application verifies the identity of the user making a request. It typic

Link to the HealthGPT AI security CTF challenge on TryHackMe. Meet HealthGPT, a well-meaning virtual assistant used by a busy healthcare team. It helps clinicians look up procedures, draft notes, and

Link to the section of the AI Odyssey CTF on TryHackMe: Token City. It covers challenges like: ML Sec: The Loan Arranger | AI Sec + DFIR: Rogue Commit | AI Sec + Web App Sec: Sealed Substation | Agent

Link to the Privilege Escalation Challenge on TryHackMe: Linux Privilege Escalation: Automation Introduction By now, you should have an understanding of basic privilege escalation techniques and how t

In this article, we’ll cover the XXE - SOC-mas XX-what-ee? write-up as the Day 5 challenge of the Advent of Cyber event challenge. It was interesting to navigate Web Security for an e-commerce gifting site using PortSwigger’s XML external entity (XXE) injection. We’re still at Wareville for SOC-mas!
What is the flag discovered after navigating through the wishes? THM{Brut3f0rc1n6_mY_w4y}









What is the flag seen on the possible proof of sabotage? THM{m4y0r_m4lw4r3_b4ckd00rs}

If you want to learn more about the XXE injection attack, check out the XXE room!
Following McSkidy's advice, Software recently hardened the server. It used to have many unneeded open ports, but not anymore. Not that this matters in any way.
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