Psi Beta Rho Practice 1

Spring Quarter 2023 - Week 2

PBR’s got spirit!!!

👏Welcome back!👏

• Schedule
• https://bit.ly/PBRS2023
• Guest Speaker
• Liveoverflow; cybersecurity Youtuber https://www.youtube.com/channel/UClcE-kVhqyiHCcjYwcpfj9w
• Writeups
• Only one required for the quarter. Preferably from a CTF we have attended. Due date is last practice of the quarter.
• *new this quarter* CTF attendance
• Participate in at least one CTF in-person this quarter
• We will be doing ångstromCTF during practice week 4 after working on it Saturday of week 3

📣 Announcements 📣

• PBR Practices
• Same as last quarter: 6-8PM Ackerman Union 3517
• Sign up in our discord! https://discord.gg/j9dgf2q in #pbr-announcements
• Cyber Spring GM: Tomorrow (Wednesday 4/12)
• 6-8PM @ MS 5200
• ACM Cyber officer apps
• Due Tomorrow 11:59pm
• Cylab:
• Sign up by Sunday, 4/16!
• http://bit.ly/cyber-lab-s23-application
• Unofficial PBR minecraft server (started during cursedCTF): see #private-chatter pins

⛳️CTFs⛳️

• cursedCTF 2023 (last weekend)
• https://ctftime.org/event/1887
• bucketCTF 2023 (last weekend)
• https://ctftime.org/event/1892
• (optional) PlaidCTF 2023 (Week 2)
• https://ctftime.org/event/1770
• ångstromCTF (Week 3)
• https://ctftime.org/event/1859
• Also during practice week 4
• San Diego CTF (Week 6)
• https://ctftime.org/event/1910
• DEFCON CTF Quals (Week 8)
• https://ctftime.org/event/1871

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Practice Focus:

Python Pickles

by Ronak

What is pickle

• Serializer of objects mainly for python

What is pickle

Deep dive

Deep Dive Disassembly

Elit Hax0ring

Amogus

• Seems very convenient, is this actually applicable anywhere??????
• ACTUALLY USED EVERYWHERE AAAAAA

How not get hac

• Use json

Live Demo

Lets pwn benson 😳

Kalmar CTF

• Will do in pickle group maybe

Focus groups

• Practice “log”: https://docs.google.com/spreadsheets/d/1rUuJZsRqKbtBvZgdEYfKDVJ9KOgeQc_cRn-WXLR1IiY/edit?usp=sharing
• Choose any group; learn something new or hone your skills

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Thanks for coming! :)