--- title: "#adventofcyber2025 articles | Hashnode" description: "Explore 36 articles tagged #adventofcyber2025 on Hashnode. Tutorials, guides, and how-tos from the community." url: "https://hashnode.com/tag/adventofcyber2025" --- Tag # #adventofcyber2025 36 posts · 0 followers [Jebitok](https://hashnode.com/@w1t3r) · [Dec 29, 2025](https://hashnode.com/posts/aws-security-s3cret-santa-tryhackme/6952de7c6afdb8cb959dae80) ### [AWS Security - S3cret Santa (TryHackMe) 🧑‍🎄🎉](https://www.sharonjebitok.com/aws-security-s3cret-santa-tryhackme?utm_source=hashnode&utm_medium=feed) Cloud environments are often seen as abstract and untouchable, but at their core, they rely on identities, permissions, and trust. When those elements are mismanaged, even a single leaked set of credentials can open the door to far more than intended... 10 min read · [sharonjebitok.com](https://www.sharonjebitok.com/aws-security-s3cret-santa-tryhackme?utm_source=hashnode&utm_medium=feed) [Jebitok](https://hashnode.com/@w1t3r) · [Dec 29, 2025](https://hashnode.com/posts/exploitation-with-curl-hoperation-eggsploit-tryhackme/6952ed32b02c232018baa553) ### [Exploitation with cURL - Hoperation Eggsploit (TryHackMe) 🧑‍🎄🎉](https://www.sharonjebitok.com/exploitation-with-curl-hoperation-eggsploit-tryhackme?utm_source=hashnode&utm_medium=feed) After twenty-three days of exploits, investigations, and saving Wareville from disaster, Advent of Cyber reaches its final challenge. There are no flashy tools left. No browser. No Burp Suite. Just a terminal, raw HTTP, and the skills we’ve built thr... 10 min read · [sharonjebitok.com](https://www.sharonjebitok.com/exploitation-with-curl-hoperation-eggsploit-tryhackme?utm_source=hashnode&utm_medium=feed) [Jebitok](https://hashnode.com/@w1t3r) · [Dec 29, 2025](https://hashnode.com/posts/c2-detection-command-and-carol-tryhackme/695298ba863bee559ba95cd0) ### [C2 Detection - Command & Carol (TryHackMe) 🧑‍🎄🎉](https://www.sharonjebitok.com/c2-detection-command-and-carol-tryhackme?utm_source=hashnode&utm_medium=feed) Introduction The Story The TBFC is very wary since the last series of attacks by the underlings of King Malhare. They are on full alert for anything happening. But they are getting restless; it is too quiet. Sir Elfo of the TBFC takes the initiative... 10 min read · [sharonjebitok.com](https://www.sharonjebitok.com/c2-detection-command-and-carol-tryhackme?utm_source=hashnode&utm_medium=feed) [Jebitok](https://hashnode.com/@w1t3r) · [Dec 28, 2025](https://hashnode.com/posts/malware-analysis-malhareexe-tryhackme/695185f2451dda12ff0ab3b2) ### [Malware Analysis - Malhare.exe (TryHackMe) 🧑‍🎄🎉](https://www.sharonjebitok.com/malware-analysis-malhareexe-tryhackme?utm_source=hashnode&utm_medium=feed) In modern environments, not every threat arrives as an obvious executable. Some hide in plain sight, disguised as everyday documents or trusted internal tools. In Wareville, where elves process countless files daily — surveys, reports, spreadsheets, ... 12 min read · [sharonjebitok.com](https://www.sharonjebitok.com/malware-analysis-malhareexe-tryhackme?utm_source=hashnode&utm_medium=feed) [Jebitok](https://hashnode.com/@w1t3r) · [Dec 27, 2025](https://hashnode.com/posts/obfuscation-the-egg-shell-file-tryhackme/695047f92ecdaeccd7da9f10) ### [Obfuscation - The Egg Shell File (TryHackMe) 🎉🧑‍🎄](https://www.sharonjebitok.com/obfuscation-the-egg-shell-file-tryhackme?utm_source=hashnode&utm_medium=feed) Modern malware rarely arrives in plain sight. Instead, it hides behind layers of confusion—strings that look meaningless, symbols that defy readability, and scripts that appear harmless at first glance. This deliberate chaos is not accidental; it is ... 7 min read · [sharonjebitok.com](https://www.sharonjebitok.com/obfuscation-the-egg-shell-file-tryhackme?utm_source=hashnode&utm_medium=feed) [Jebitok](https://hashnode.com/@w1t3r) · [Dec 27, 2025](https://hashnode.com/posts/race-conditions-toy-to-the-world-tryhackme/695050164491255d41d44313) ### [Race Conditions - Toy to The World (TryHackMe) 🧑‍🎄🎉](https://www.sharonjebitok.com/race-conditions-toy-to-the-world-tryhackme?utm_source=hashnode&utm_medium=feed) High-traffic events are every attacker’s favourite playground. Flash sales, ticket drops, limited releases — all share one thing in common: pressure on timing. When systems are pushed to their limits, even a few milliseconds can mean the difference b... 8 min read · [sharonjebitok.com](https://www.sharonjebitok.com/race-conditions-toy-to-the-world-tryhackme?utm_source=hashnode&utm_medium=feed) [Jebitok](https://hashnode.com/@w1t3r) · [Dec 27, 2025](https://hashnode.com/posts/icsmodbus-claus-for-concern-tryhackme/69504cc1f4f5a79dfe12193a) ### [ICS/Modbus - Claus for Concern (TryHackMe) 🧑‍🎄🎉](https://www.sharonjebitok.com/icsmodbus-claus-for-concern-tryhackme?utm_source=hashnode&utm_medium=feed) Industrial systems are rarely associated with festive chaos, yet behind every seamless operation lies a complex web of automation that, if compromised, can cause real-world disruption. In Wareville, that disruption takes the form of delivery drones f... 27 min read · [sharonjebitok.com](https://www.sharonjebitok.com/icsmodbus-claus-for-concern-tryhackme?utm_source=hashnode&utm_medium=feed) [Jebitok](https://hashnode.com/@w1t3r) · [Dec 22, 2025](https://hashnode.com/posts/cyberchef-hoperation-save-mcskidy-tryhackme/694897e9c9cdb851bf4d70c0) ### [CyberChef - Hoperation Save McSkidy (TryHackMe) 🎉🧑‍🎄](https://www.sharonjebitok.com/cyberchef-hoperation-save-mcskidy-tryhackme?utm_source=hashnode&utm_medium=feed) Security controls are only as strong as the logic behind them. Many systems rely on encoding, hashing, and simple transformations to protect sensitive information, assuming that obscurity alone is enough to keep attackers out. However, when these mec... 11 min read · [sharonjebitok.com](https://www.sharonjebitok.com/cyberchef-hoperation-save-mcskidy-tryhackme?utm_source=hashnode&utm_medium=feed) [Jebitok](https://hashnode.com/@w1t3r) · [Dec 22, 2025](https://hashnode.com/posts/forensics-registry-furensics-tryhackme/694891121262d7c8b9f5a0ad) ### [Forensics - Registry Furensics (TryHackMe) 🎉🧑‍🎄](https://www.sharonjebitok.com/forensics-registry-furensics-tryhackme?utm_source=hashnode&utm_medium=feed) Introduction The Story TBFC is under attack. Systems are exhibiting weird behavior, and the company is now feeling the absence of its lead defender, McSkidy. However, McSkidy made sure the legacy continues. McSkidy’s team, determined and well-traine... 10 min read · [sharonjebitok.com](https://www.sharonjebitok.com/forensics-registry-furensics-tryhackme?utm_source=hashnode&utm_medium=feed) [Jebitok](https://hashnode.com/@w1t3r) · [Dec 15, 2025](https://hashnode.com/posts/web-attack-forensics-drone-alone-tryhackme/694079499ce843f61dbc68db) ### [Web Attack Forensics - Drone Alone (TryHackMe) 🎉🧑‍🎄](https://www.sharonjebitok.com/web-attack-forensics-drone-alone-tryhackme?utm_source=hashnode&utm_medium=feed) Modern web applications are a prime target for attackers because they sit at the boundary between users and internal systems. A single vulnerable endpoint can act as a gateway from harmless-looking HTTP traffic into full operating system compromise. ... 7 min read · [sharonjebitok.com](https://www.sharonjebitok.com/web-attack-forensics-drone-alone-tryhackme?utm_source=hashnode&utm_medium=feed)