alert tcp [$HOME_NET,$HTTP_SERVERS] any -> any any (msg:"ET INFO ScreenConnect/ConnectWise Initial Checkin Packet M2"; dsize:<600; content:"|87 1C 10 00 00 00 00 00 00 00 00 00 00 00 00 00|"; startswith; fast_pattern; reference:url,community.emergingthreats.net/t/update-new-rule-needed-for-screenconnect-sid-2036627/938; classtype:misc-activity; sid:2048051; rev:3; metadata:attack_target Client_Endpoint, created_at 2023_09_13, deployment Perimeter, deployment Internal, performance_impact Low, confidence High, signature_severity Informational, tag RemoteAccessTool, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_09_21;)