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3CXBeaconingKQLQuery

KQL to detect beaconing to IOCs from the 3CX compromise

Sentinel DNSEvents query

let IOC = dynamic(["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"]);
DnsEvents
| where Name in~ (IOC)

MDE Advanced Hunting

let IOC = dynamic(["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"]);
DeviceNetworkEvents
| where RemoteUrl in~ (IOC)