Thank you to everyone who attended tonight’s meeting! We introduced several different CTF categories and what challenges usually look like within those categories. Then, we went over some of the challenges on the CTF Practice Range at https://ctf.osusec.org. The slides for the meeting are available here (ONID Login Required): 2/23/2022 Slides Later this week, we…
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Thank you to everyone who attended tonight’s meeting! We chatted some more about reverse engineering, discussing the stack layout, function preambles and local variables on the stack. We introduced the rev02 challenge on the CTF Practice Range at https://ctf.osusec.org. The slides for the meeting are available here (ONID Login Required): 2/9/2022 Slides We have an…
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Thank you to everyone who attended tonight’s meeting! We chatted about reverse engineering and binary exploitation (pwn) tools and how to use them, and I demonstrated how to solve the rev01 challenge on the CTF Practice Range at https://ctf.osusec.org. The slides for the meeting are available here (ONID Login Required): 2/2/2022 Slides There are some…
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Thank you to everyone who attended! This meeting covered an introduction to reverse engineering on x86 64-bit. We covered some key differences between x86 and x86-64, then we examined how typical control flows are compiled to assembly based on the C source code. Here are the slides (requires ONID login): Google Slides for 1/26/2021 The binary…
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Thank you to everyone who attended! This meeting covered a presentation called “CS271 for Pwning”, an introduction to assembly and shellcoding with a focus on the useful aspects to pwning / binary exploitation. Here are the slides (requires ONID login): Google Slides for 1/19/2021 The next meeting this week is for CTF League on Friday 1/21/2021 @…
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Thank you to everyone who attended! This meeting covered the solutions to all NSA Codebreaker 2021 Tasks. I hope everyone enjoyed, questions can always be tossed into the #nsacc-21 channel. Here are the slides (requires ONID login): Google Slides for 1/12/2021 The next meeting this week is for CTF League on Friday 1/14/2021 @ 6:00pm –…
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OSUSEC placed 3rd nationally with a score of 133,337 points at NSA Codebreaker Challenge 2021
OSUSEC placed 1st regionally and 7th overall in the Department of Energy Cyber Defense Competition
Thank you to everyone who attended! This meeting covered an introduction to NSA Codebreaker Challenge, including some common tools and strategies used to solve challenges 0-6. Here are the slides (requires ONID login): Google Slides for 10/27/2021 The next couple meetings will be as follows: CTF League on Friday 10/29/2021 @ 6:00pm – 8:00pm in…
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Thank you to all the members that attended this meeting! We covered lockpicking basics, legality and ethics, before Ryan presented a live demonstration of picking a lock. Then, each table had a selection of locks of increasing difficulty and tools to try to pick them with. Here are the slides (requires ONID login): Google Slides…
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