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Bishop Fox to Present at FiestaCon

March 9-10, 2023
Embassy Suites by Hilton San Antonio Landmark
Fiestacon white logo on black background with skull.

ArcticCon has been rebranded to FiestaCon. Please join us for the inaugural Con in March 2023 in San Antonio, Texas. FiestaCon will take place in person (no virtual component at this time); the event is for Red Teamers, managed by Red Teamers. Bishop Fox Principal Joe DeMesy will present his session, "Offensive WASM," on Friday, March 10 at 11:00 a.m. CST.

"Offensive WASM"

A brief history of WASM/WASI and then dive into the upcoming Sliver v1.6 release, which includes a prototype feature that allows operators to encode C2 traffic using WASM-based callback functions. These WASM-based encoder functions can be dynamically loaded at runtime by both the server and the implant. We’ll discuss the limitations of the technology (e.g., performance), how the network encoder interface works, as well as potential future applications of the technology.

Joe demesy

About the speaker, Joe DeMesy


Joe DeMesy is a Principal at Bishop Fox. Joe is an expert in red teaming, secure development, proficient in several programming languages, and is a leading contributor to various open source projects. Joe is a noted expert in the field of information security, having been quoted in MarketWatch, NPR, InformationWeek, and Dark Reading. He has also presented his research at conferences such as BSidesLV, Kiwicon, BlackHat and private conferences hosted by the US Department of Defense.
More by Joe

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