Chisel (bd2b2375-4f16-42b2-a862-959b5b41c2af)
Chisel is an open source tool that can be used for networking tunneling.[U.S. CISA AvosLocker October 11 2023] According to its GitHub project page, "Chisel is a fast TCP/UDP tunnel, transported over HTTP, secured via SSH".[GitHub Chisel] Threat actors including ransomware operators and nation-state-aligned espionage actors have used Chisel as part of their operations.[U.S. CISA AvosLocker October 11 2023][CISA AA20-259A Iran-Based Actor September 2020]