Most operators spend days engineering the perfect shellcode loader and ship the payload naked. This blog takes you from how C2 payloads actually work under the hood all the way to building a fully evasive reflective loader that bypasses one of the best EDR's, covering module overloading with .pdata registration, NtContinue entry transfer, API call stack spoofing with Draugr, sleep masking, and Crystal Palace YARA signature removal. Every technique explained from why it exists, not just how it works.
Rusty DoublePulsar - Cobalt Strike User-Defined Reflective Loader (UDRL) in Rust (Codename: DoublePulsar) - memN0ps/doublepulsar-rs
Ignorantia Invinciblis
I have a challenge for you: How much beaconing agent functionality can you fit into 4KB PIC? How do you do it? This isn’t a shellcode golf challenge. It’s about elegant ways to build common agent s…