ET HUNTING Observed ConnectWise ScreenConnect SSL Certificate
Sourceet/open
CreatedJune 23, 2025
UpdatedJune 24, 2025
Classificationmisc-activity
alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET HUNTING Observed ConnectWise ScreenConnect SSL Certificate"; flow:established,to_client; tls.cert_serial; content:"04:D9:B5:33:8E:A0:FA:57:29:E8:56:CF:F2:00:60:F2"; classtype:misc-activity; sid:2063135; rev:3; metadata:attack_target Client_Endpoint, created_at 2025_06_23, deployment Perimeter, confidence High, signature_severity Informational, tag SSL_Malicious_Cert, tag Generated_by_Proofpoint_Nexus, updated_at 2025_06_24;)
Metadata
attack targetClient_Endpoint
created at2025_06_23
deploymentPerimeter
confidenceHigh
signature severityInformational
tagGenerated_by_Proofpoint_Nexus
updated at2025_06_24
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