Browser Domains - DeviceNetworkEvents

raw.githubusercontent.com/jkerai1/SoftwareCertificates/refs/heads/main/Bulk-IOC-CSVs/Browser%20IOCs.csv"] with (format="csv", ignoreFirstRecord=True);

Detection Query

let BrowserDomains = externaldata(type: string, IndicatorValue: string)[@"https://raw.githubusercontent.com/jkerai1/SoftwareCertificates/refs/heads/main/Bulk-IOC-CSVs/Browser%20IOCs.csv"] with (format="csv", ignoreFirstRecord=True);
let DomainList = BrowserDomains
| project IndicatorValue;
DeviceNetworkEvents
| where TimeGenerated > ago(90d)
| where RemoteUrl in~(DomainList)
//| where RemoteUrl != "dl.google.com" // if you allow google chrome, comment in this line
| extend VT_domain = iff(isnotempty(RemoteUrl),strcat(@"https://www.virustotal.com/gui/domain/",RemoteUrl),RemoteUrl)
| summarize count() by RemoteUrl, VT_domain
// After Hunting visit https://github.com/jkerai1/SoftwareCertificates/tree/main/Bulk-IOC-CSVs, download the CSV and consider uploading to MDE to block all domains. Remove any results that are legitimate usage.

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