Skip to main content

CCDC 2022-23 Log #1

We've recently had our first CCDC meeting for the year. A small informational for interested students. It went well, we seem to have some good candidates already popping up. It's still too early to tell if they'll stick it out, but I'm hopeful we'll have a good team this year. 

I'm planning on doing semi-regular updates on our team this year, mainly covering my perspective as co-captain and as a mentor. I'm also planning on dropping some of the tools and labs I'm creating for our team and my masters capstone. The first set of labs covers active directory configuration and object management. After finishing those, I'll work on labs for Linux incident response and systems hardening. I'm lucky to be in a position where my university has allowed me to use these labs to meet the capstone requirement, so long as I allow them to use the labs in undergrad courses. I'll also be releasing and updating my CCDC toolset for Windows servers and doing some deep dives on how they work/what they're used for (Vynae post coming soon!). 

Part of our training this year will include hosting a live red team during our inject practices. Now that our university has relaxed its covid regulations, we'll be able to have more frequent in-person meetings. This will let us organize more advanced training sessions such as live red team practice. The current plan is to have team alumni come in and start poking around and shutting down insecure boxes during an in-person inject practice. We're trying to get an environment that is as close to the real thing as possible, and I'm excited to get the new members some hands-on practice. 

Beyond that, we also have increased faculty involvement this year. I've asked several professors to come and give training sessions or topic-related lectures to the team this year. Typically, we get a very good incident response lecture from our coach, but this year we'll also be getting some custom pen testing and red team lectures. I'm also trying to put together some networking labs, but this semester might be a tad too busy to get those in a working state. 

Labels:

Comments

Post a Comment

Popular posts from this blog

Using PGPy to encrypt and decrypt files and messages

 PGPy is a library for python that enables the creation, storage, and encryption/decryption of PGP keys and files in python. Recently, in a small project to reacquaint myself with python, I used PGPy for key generation and encryption and decryption. That project can be found in my github at  https://github.com/lpowell . The goal of the project was to use command-line switches to control the program, and to provide basic encryption and decryption capabilities, along with rot13 and base64 encoding.  First, to load in a key use key, _ = pgpy.PGPKey.from_file(keyfilename) . This loads the key from either a binary or ASCII armored file. You can swap out .from_file for .from_blob , if you plan on using a key stored in a string or bytes object rather than a file. In my example code, I pull the key from a file, as I found it to be the simpler method.  Next, you'll need to open a file or create a string or bytes object that contains the message you wish to encrypt. We'll cal...
3 comments
Read more

Huntress CTF Challenge Writeups: HumanTwo: MoveIt IoC Analysis Challenge

HumanTwo: MoveIT IoC Analysis Challenge The HumanTwo challenge is a malware CTF from the 2023 Huntress CTF. This write-up walks through the initial discovery, de-obfuscation, and solving of the challenge. The actual flag will be redacted from the document, but interested parties should be able to follow the steps and derive it themselves. While the write-up assumes a base level of knowledge regarding the command line and Linux. Most tools and commands will be accompanied by short explanations. Step 1: Initial Analysis To start off, we are given an archive with 1000 files named after their file hash. The hint we are given is that there are minor differences between each file. We also know that HumanTwo relates to the MoveIT vulnerability and exploit. The easy way to progress is to look up articles that tell you about the vulnerability and what stands out in each exploit script. However, I didn’t do that, so I’ll put the process I followed down instead. First, because I knew that...
Post a Comment
Read more

Huntress CTF Challenge Writeups: VeeBeeeee & Fetch

  VeeBeeeee: A Microsoft Script Forensics Challenge VeeBeeeee starts with an extensionless file. When attempting to open this file, we get a bunch of random junk. I used PowerShell to display the content of the file and then dropped the output into CyberChef to decode it. Using the “Magic” function on CyberChef told me that it was a Microsoft Script, and CyberChef applied the Microsoft Script Decoder function to the text blob. Copy/Pasting the cleartext code into VSCode lets us use the find and replace function to get rid of some of this junk data. While going through the script and getting rid of the tacked-on strings and characters, we can see that there is an array being built called Request. If we follow the link in this array, we get to a Pastebin file with the flag.   Fetch: A Prefetch and WIM File Analysis Challenge Fetch provided an unknown file with no extension. Like previous challenges, we can use the “file” command to determine the file type. Using ...
Post a Comment
Read more