Potential Compromised 3CXDesktopApp Beaconing Activity - Netcon

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About the rule

Rule Type

Standard

Rule Description

Detects potential beaconing activity to domains related to 3CX 3CXDesktopApp compromise

Severity

Trouble

Rule Requirement

Criteria

Action1: actionname = "sa_network_connection" AND PROCESSNAME endswith "\3CXDesktopApp.exe" AND DESTINATIONHOST contains "akamaicontainer.com,akamaitechcloudservices.com,azuredeploystore.com,azureonlinecloud.com,azureonlinestorage.com,dunamistrd.com,glcloudservice.com,journalide.org,msedgepackageinfo.com,msstorageazure.com,msstorageboxes.com,officeaddons.com,officestoragebox.com,pbxcloudeservices.com,pbxphonenetwork.com,pbxsources.com,qwepoi123098.com,sbmsa.wiki,sourceslabs.com,visualstudiofactory.com,zacharryblogs.com" select Action1.HOSTNAME,Action1.MESSAGE,Action1.USERNAME,Action1.PROCESSNAME,Action1.DESTINATIONHOST,Action1.DESTINATION_IPV6,Action1.DEST_IP,Action1.SOURCEHOST,Action1.SOURCE_IP,Action1.SOURCE_IPV6

Detection

Execution Mode

realtime

Log Sources

Windows

Author

Nasreddine Bencherchali (Nextron Systems)