New “SessionManager” backdoor for Microsoft IIS servers in the wild
Newly discovered malware has been used in the wild since at least March 2021 to use Microsoft Exchange servers belonging to a wide range of entities around the world, with persistent infections in 20 organizations until June 2022. Called SessionManager, the malicious tool masquerades as a module for Internet Information Services (IIS), a web server …
New “SessionManager” backdoor for Microsoft IIS servers in the wild Read More »