ET PHISHING Observed DeviceCode Phishing Domain (microsoft .customers-365 .com in TLS SNI)
Sourceet/open
CreatedMay 4, 2026
UpdatedMay 4, 2026
Classificationsocial-engineering
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET PHISHING Observed DeviceCode Phishing Domain (microsoft .customers-365 .com in TLS SNI)"; flow:established,to_server; tls.sni; dotprefix; content:".microsoft.customers-365.com"; endswith; fast_pattern; classtype:social-engineering; sid:2069120; rev:1; metadata:attack_target Client_Endpoint, created_at 2026_05_04, deployment Perimeter, confidence High, signature_severity Major, updated_at 2026_05_04;)
Metadata
attack targetClient_Endpoint
created at2026_05_04
deploymentPerimeter
confidenceHigh
signature severityMajor
updated at2026_05_04
Comments (0)
Please sign in to leave a comment.
Sign inNo comments yet. Be the first to comment!