# Sagan msapi-microsoftteams-bluedot.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 are for the Office 365 Management API
# https://docs.microsoft.com/en-us/office/office-365-management-api/office-365-management-apis-overview
#
# These rules work best with a JSON input map.  See the "msapi" mapping.  See the Sagan
# JSON documentation for more information
#

alert any $HOME_NET any -> $EXTERNAL_NET any (msg: "[MSAPI-MICROSOFTTEAMS-BLUEDOT] Teams session started from Bluedot listed IP address"; json_content: ".Workload","MicrosoftTeams"; json_content: ".Operation", "TeamsSessionStarted"; bluedot: type ip_reputation, track by_src, none, Malicious,Tor,Honeypot,Proxy; classtype: suspicious-traffic; reference: url,wiki.quadrantsec.com/bin/view/Main/5004894; sid:5004894; rev: 1;)