

The author offered this product in one of the leading underground cybercrime markets."
#Check for infected mac mac os
The author of the thread announced a RAT dubbed Proton, intended for installation exclusively on MAC OS devices. " encountered a post in one of the leading, closed Russian cybercrime message boards. This 2 nd-stage component of Empyre is the persistent agent, that once installed will complete the infection and affords a remote attacker continuing access to an infected host.

However, this file was likely just the second-stage component of Empyre (though yes, the attackers could of course download and executed something else). Unfortunately this file is now inaccessible. Specifically the lib/common/stagers.py file:ĮmPyre is a "pure Python post-exploitation agent built on cryptologically-secure communications and a flexible architecture." Ok, so the attackers are using an open-source multi-stage post-exploitation agent.Īs mentioned above, the goal of the first stage python code is to download and execute a second stage component from. RC4 decrypts this payload (key: fff96aed07cb7ea65e7f031bd714607d)ĭoes python code look familiar? Yes! It's taken, almost verbatim from the open-source EmPyre project.

