Change GPOs to specify the maximum amount of time that a disconnected session stays active on the RD session host server. Remove unnecessary accounts and groups from Remote Desktop Users groups.ĭisable the RDP service if it is unnecessary.Įnable firewall rules to block RDP traffic between network security zones within a network.Ĭhange GPOs to define shorter timeouts sessions and maximum amount of time any single session can be active. Īudit the Remote Desktop Users group membership regularly. WannaCry enumerates current remote desktop sessions and tries to execute the malware on each session.
Īxiom has targeted victims with remote administration tools including RDP.
All of this can be done by using native Windows commands, but it has also been added as a feature in red teaming tools. It can also lead to Remote System Discovery and Privilege Escalation by stealing a Domain Admin or higher privileged account session. This can be done remotely or locally and with active or disconnected sessions. With System permissions and using Terminal Services Console, c:\windows\system32\tscon.exe, an adversary can hijack a session without the need for credentials or prompts to the user. Typically, a user is notified when someone else is trying to steal their session. Īdversaries may perform RDP session hijacking which involves stealing a legitimate user's remote session. Microsoft refers to its implementation of the Remote Desktop Protocol (RDP) as Remote Desktop Services (RDS). It allows a user to log into an interactive session with a system desktop graphical user interface on a remote system.
Remote desktop is a common feature in operating systems. Adversaries may hijack a legitimate user’s remote desktop session to move laterally within an environment.
0 kommentar(er)
