It's been extremely hard to keep this one under wraps.

I just published a new blog post, where one weird string that looks like a cookie value turned out to be a whole cryptostealer and database wiping operation.

https://www.labs.greynoise.io/grimoire/2026-02-24-whats-that-string/

I spent some late nights on this one, and am a little bit ridiculously proud of the work I did.

What’s That String? That Time a Weird String Revealed a Whole Operation – GreyNoise Labs

One weird payload turned out to be a loose thread on an active hacking operation.

GreyNoise Labs
@Dio9sys I have little interest in crypto, but the fact that you can just follow some convoluted breadcrumb all to where the largest sums of money are being transferred to. Are you mad? Do you need a hug? I hope you got paid well for this. 
@mrgrumpymonkey
I lost a bit of sleep on this one 😅