**This is an old revision of the document!** ----
====== Detecting covert channels in X.509 Digital Certificates using the Trisul LUA API ====== I saw a couple of blogs about a new way to create a C2 (Command and Control) channel using X.509 Certificates. This technique is described in _Abusing X.509 Certificates for Covert Data Exchange_ ((Dark Reading https://www.darkreading.com/attacks-breaches/abusing-x509-digital-certificates-for-covert-data-exchange/d/d-id/1330984?_mc=sm_dr&hootPostID=a10970e131beaf9b5a7ac86b0564b114))