Versions (2)
Version DetailsCurrent
Rev: 1 • Aug 24, 2023, 12:00 PMET INFO Abused Confluence/Jira External Sharing Site (external-share .com in TLS SNI)
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO Abused Confluence/Jira External Sharing Site (external-share .com in TLS SNI)"; flow:established,to_server; tls.sni; content:".external-share.com"; endswith; fast_pattern; threshold:type limit, count 1, seconds 600, track by_src; reference:url,urlscan.io/result/b3b6638b-76ed-48d5-b66f-a78d25d2a8c1/; classtype:misc-activity; sid:2047721; rev:1; metadata:created_at 2023_08_24, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, updated_at 2023_08_24, reviewed_at 2023_08_24;)
Aug 24, 2023, 12:00 PM
Aug 24, 2023, 12:00 PM
Aug 24, 2023, 9:00 PM
Aug 24, 2023, 9:00 PM
rules/emerging-info.rules