Delphos Labs Blog

Delphos Labs Selected by AFWERX for SBIR Phase I to Advance AI-Powered Analysis of Software Artifacts
Delphos Labs selected by AFWERX for an SBIR Phase I to advance AI-powered analysis of source-denied software for Air Force cybersecurity and assurance.






Threat Intel: ValleyRAT. A Zero-Detection Stager Classified 24 Hours Before Its First Signature
A Chinese-language ValleyRAT stager, zero AV detections, pulling a second-stage payload from AWS S3, classified in 5 minutes, 24 hours before first signature.


Threat Intel: libpsl-5.dll. A Sideloading DLL Padded to 55MB, Undetected by 60+ AV Engines for Six Days
The real payload is 3.3MB. The other 52MB is junk padding, appended to slip past scanners. Its code overlaps several known info-stealer families.


fast16: From Stripped Binary to Sabotage Finding in Minutes
The Delphos Labs agent analyzed fast16, a 2005 nation-state sabotage framework, starting from two stripped binaries and no context.


DirtyCBC: When Linux Kernel Decrypt-Before-MAC Turns Authenticated Encryption Into a Page-Cache Write
Linux kernel page-cache poisoning via AES-256 chosen-plaintext on the RxGK RESPONSE path and why authenticated encryption did not stop it.


Introducing Delphos Labs: Securing the Software That Actually Runs
Revealing hidden threats in compiled software without source code.

