Ryan Zagrodnik

DEF CON 33 and Meshtastic on the LILYGO T-Deck Plus Real-world testing with 2,000+ nodes at the world's largest hacker conference.

Check out my latest blog post blog.shellntel.com/p/def-con-33...

Just claimed my quadrant for #DEFCON33’s World War Drive!
I’ll be wardriving the Madison isthmus – campus, Capitol, State St, and everything in between.
APs beware. Logs incoming. 📡🚗💥
Join the hunt: wigle.net/contest/DC33
#WiGLE #WWWD #cybersecurity #wardriving

Code Execution Through Email: How I Used Claude to Hack This is the story of how I used a Gmail message to trigger code execution through Claude Desktop, and how Claude itself (!) helped me plan the attack.

Used Claude's context resets + its own advice to bypass safeguards via email, leading to RCE through chained trust in Gmail, Claude Desktop, and a shell agent. Wild LLM composability flaw.
www.pynt.io/blog/llm-sec...

Building a Meshtastic Node Encrypted Messaging for the Apocalypse (or Your Next Camping Trip)

Check out my latest blog blog.shellntel.com/p/building-a...

Russia-aligned threat groups dupe Ukrainian targets via Signal Google researchers say multiple Russian state threat groups have conducted remote phishing operations to target and compromise Signal accounts.

Don't scan those QR codes cyberscoop.com/russia-threa...

Building a Bjorn Learn How to Build, Configure, and Connect to a Raspberry Pi Zero 2 Based Network Scanning and Offensive Security Tool

Wrote a blog on building a Bjorn. blog.shellntel.com/p/building-a...

Some nice phishing templates www.microsoft.com/en-us/downlo...

Microsoft is enabling EPA by default for ADCS as well as LDAP msrc.microsoft.com/blog/2024/12...