ExtraBed is a 64-bit Linux ELF binary designed as a post-exploitation module for Cisco ASA devices. It typically works alongside other leaked tools like EPICBANANA to achieve persistence and administrative access by hooking functions in the ASA's lina process. Authoritative Technical Resources

When reviewing these papers, focus on these specific ExtraBed mechanisms:

: Cisco Talos released a detailed Technical Analysis of Shadow Brokers Exploits, which covers how ExtraBed acts as an installable backdoor module to manipulate the ASA's configuration and authentication logic.