update to master

Detections/MultipleDataSources/ExchangeServerVulnerabilitiesMarch2021IoCs.yaml

@@ -45,7 +45,7 @@ relevantTechniques:
   - T1190
 query: |
   let iocs = externaldata(DateAdded:string,FirstSeen:string,IoC:string,Type:string,TLP:string)
-  [@"https://raw.githubusercontent.com/Azure/Azure-Sentinel/e2113c709e692229cefe7fa43da3979c543d0945/Sample%20Data/Feeds/MSTICIoCs-ExchangeServerVulnerabilitiesDisclosedMarch2021.csv"] with (format="csv", ignoreFirstRecord=True);
+  [@"https://raw.githubusercontent.com/Azure/Azure-Sentinel/master/Sample%20Data/Feeds/MSTICIoCs-ExchangeServerVulnerabilitiesDisclosedMarch2021.csv"] with (format="csv", ignoreFirstRecord=True);
   let file_paths = (iocs | where Type =~ "filepath");
   let sha256s = (iocs | where Type =~ "sha256");
   let ips = (iocs | where Type =~ "ip");