RDP is a proprietary Microsoft communication protocol, which allows a client to connect with another computer using a graphical interface. Although the protocol is encrypted, access to the server can be gained if the attacker guesses the username and password.
It should be noted that the most common use of RDP is in social engineering. The user is contacted by a remote service technician who convinces the user that they need remote access to fix something on the user's system. Malware attacks that target the RDP protocol are also becoming more common.
From a tester's (or attacker's) perspective, the first step in compromising a target's RDP service is to locate the RDP server and characterize the ...
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