2017-03-24

[public] 51.3K views, 1.27K likes, 6.00 dislikes audio only

LiveOverflow

We are using radare2 together with avr-gdb and simavr to reverse engineer the challenge "Jumpy" which implemets a password checking algorithm.

(?s)lds r24[a-Z, 0-9;\.$^]+\n[a-Z, 0-9;\.$^│]+\n[a-Z, 0-9;\.$^│]+\n[a-Z, 0-9;\.$^│]+lds r24

Challenge files: https://github.com/Riscure/Rhme-2016

The .gdbinit from this video: https://github.com/cyrus-and/gdb-dashboard

-=[ 🔴 Stuff I use ]=-

→ Microphone:* https://geni.us/ntg3b

→ Graphics tablet:* https://geni.us/wacom-intuos

→ Camera#1 for streaming:* https://geni.us/sony-camera

→ Lens for streaming:* https://geni.us/sony-lense

→ Connect Camera#1 to PC:* https://geni.us/cam-link

→ Keyboard:* https://geni.us/mech-keyboard

→ Old Microphone:* https://geni.us/mic-at2020usb

US Store Front:* https://www.amazon.com/shop/liveoverflow

-=[ ❤️ Support ]=-

→ per Video: https://www.patreon.com/join/liveoverflow

→ per Month: https://www.youtube.com/channel/UClcE-kVhqyiHCcjYwcpfj9w/join

-=[ 🐕 Social ]=-

→ Twitter: https://twitter.com/LiveOverflow/

→ Website: https://liveoverflow.com/

→ Subreddit: https://www.reddit.com/r/LiveOverflow/

→ Facebook: https://www.facebook.com/LiveOverflow/

-=[ 📄 P.S. ]=-

All links with "*" are affiliate links.

LiveOverflow / Security Flag GmbH is part of the Amazon Affiliate Partner Programm.

#ReverseEngineering #CTF