azure-eventhub-ad-geoip.rules

# Sagan azure-eventhub-ad-geoip.rules
# Copyright (c) 2009-2020. Quadrant Information Security <www.quadrantsec.com>
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# Please submit any custom rules or ideas to sagan-submit@quadrantsec.com or the sagan-sigs mailing list
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# These rules read JSON,  so Sagan message JSON processing needs to be enabled within your sagan.yaml

alert any $HOME_NET any -> $EXTERNAL_NET any (msg: "[AZURE EVENTHUB AD GEOIP] Account lockout from outside HOME_COUNTRY"; program: azureEventHub; json_content:"resultType","50053"; classtype: unsuccessful-user;  country_code: track by_src, isnot $HOME_COUNTRY; reference: url,https://docs.microsoft.com/en-us/azure/active-directory/reports-monitoring/reference-sign-ins-error-codes; sid:5004775; rev: 1;)

alert any $HOME_NET any -> $EXTERNAL_NET any (msg: "[AZURE EVENTHUB AD GEOIP] Brute Force [2]"; program: azureEventHub; json_content:"category","AuditLogs"; json_nocase; json_content:"result","failure"; classtype: unsuccessful-user;  country_code: track by_src, isnot $HOME_COUNTRY; reference: url,https://docs.microsoft.com/en-us/azure/active-directory/reports-monitoring/reference-azure-monitor-audit-log-schema; sid:5004778; rev: 1;)