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Jacob Krell Profile
Jacob Krell

@hackerfren

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Following
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Cybersec/AI expert | Hacker | Pilot | OSCE3, CISSP, CCNP, CSIE | CTF Reviews and Writeups | meme magic 🐸

NC, United States
Joined September 2023
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@hackerfren
Jacob Krell
10 days
Didnt quite get the first blood on this Hack the Box Sherlock yesterday. 4th.... So close yet so far... GhostTrace is an easy DFIR investigation created by Levi2210, released December 2025 on Hack The Box. It involves analyzing logs from three machines in an Active Directory
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@hackerfren
Jacob Krell
10 days
The POC of using Frida for game hacking seems to work pretty well! SokobanHTB is an easy rated Game Hacking challenge created by Cappybara, with over 770 solves and a community rating of 4.4. Released on November 7, 2025, it awards 30 points and took approximately 10 minutes to
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@Jr0dR87
Jarrod
12 days
I wrote a blog post titled Introduction to Deserialization Attacks. I put a lot of work into this one and I hope it provides value. https://t.co/wVxDHzqTzY #EthicalHacking #CyberSecurity
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@hackerfren
Jacob Krell
11 days
Mobile exploitation is always a fun thing for me and I love the Hack the Box challenges in the category i have done so far. Arno is an easy Mobile challenge by Z4ki with a 4.8 rating, 30 points, and a 17 minute first blood. The theme revolves around Arno Dorian and his memorable
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@hackerfren
Jacob Krell
12 days
WhyFind is an easy DFIR Sherlock created by VivisGhost, involving the analysis of KAPE output to track a political dissident across multiple cafe locations. The 24-question format covers Wi-Fi forensics, browser history analysis, registry examination, and user activity
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@hackerfren
Jacob Krell
14 days
Another day another challenge. I'm finally starting to understand the basic of quantum computing (or at least I think i do...) Phase Madness is an easy-rated quantum challenge created by DCryp7, released on October 31, 2025, with a first blood time of just 9 minutes, indicating
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@hackerfren
Jacob Krell
18 days
Todays Hack the Box challenge was a fun one centered around embeddings and a little bit of algorithms usage. Lost in Hyperspace is a medium AI/ML challenge by karamuz with 40 points and a first blood of 14 minutes. The challenge description about tesseracts casting shadows is
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@hackerfren
Jacob Krell
18 days
I couldn't find a Cheat Engine like MCP implementation that I liked so I created my own. Figured i would share, feel free to expand on it. I would love to see a fully fleshed out enterprise level game hacking ai agent someday. It is POC level still, use at your own risk.
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github.com
A MCP implementation of Frida that seeks to emulate Cheat Engine functionally to allow for seamless Game Hacking by AI agents - GitHub - 0xhackerfren/frida-game-hacking-mcp: A MCP implementation o...
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@hackerfren
Jacob Krell
18 days
Getting one in early this morning! Packet Puzzle is an easy SOC Sherlock created by Neetrox, released October 30th, 2025. The scenario drops you into a Japanese cryptocurrency trading company where suspicious activity has been flagged on the network. What I appreciated most
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@hackerfren
Jacob Krell
19 days
Finished another Hack the Box Sherlock. I am really enjoying my time with them overall. Dream Job-2 is a very easy Threat Intelligence Sherlock by ArthurWho, released November 27, 2025. This one felt like genuine analyst work, which I really appreciated. You're dropped into an
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@hackerfren
Jacob Krell
19 days
I now understand Quantum Computing a bit better then yesterday thanks to the Hack the Box Quantum challenges. QLotto is an easy Quantum challenge by DCry7 with a blazing fast first blood of just 3 minutes 34 seconds. The challenge presents a quantum lottery system where you need
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@hackerfren
Jacob Krell
19 days
Anyone have thoughts or experience with Georgia Techs online comsci masters? I am thinking of enrolling for next fall. I have reached the point in learning where I realize I need to level up my math and comsci/algrothim skills for true deeper understanding
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@hackerfren
Jacob Krell
1 month
Happy monday everyone! The secret to discipline is to do one more rep then last week. A mountain is climbed one step at a time....
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@hackerfren
Jacob Krell
1 month
Always fun to be in DC!
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@hackerfren
Jacob Krell
1 month
I just passed the securityX exam from comptia. I originally had the CASP, so to me, this counts as another certification to add to the list, haha. More importantly, I renewed my CSIE for another 3 years! This covers the a+,network+,security+, pentest+,cysa+ and the securityx
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@Jr0dR87
Jarrod
2 months
Interested in web pentesting? These resources are worth your time and money: PortSwigger Academy https://t.co/v8lz3aKCxW HTB CWES: https://t.co/3QELMjOJLN HTB CWEE: https://t.co/pmYYopAxz3 APISEC University: https://t.co/PfFIZ4AmjE Rana Khalil's Academy:
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@hackerfren
Jacob Krell
2 months
Since AI agents can solve captchas now, and they are effectively rendered useless, can we please start to phase them out? I'm tired of selecting bikes and bridges over and over....
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