ET PHISHING Observed Let's Encrypt Certificate containing Instagram
Sourceet/open
CreatedJuly 30, 2020
UpdatedJuly 30, 2020
Classificationsocial-engineering
alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET PHISHING Observed Let's Encrypt Certificate containing Instagram"; flow:established,to_client; tls.cert_subject; content:"instagram"; nocase; fast_pattern; tls.cert_issuer; content:"Let's Encrypt"; classtype:social-engineering; sid:2030619; rev:2; metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2020_07_30, deployment Perimeter, confidence Medium, signature_severity Major, tag Phishing, updated_at 2020_07_30;)
Metadata
affected productWeb_Browsers
attack targetClient_Endpoint
created at2020_07_30
deploymentPerimeter
confidenceMedium
signature severityMajor
tagPhishing
updated at2020_07_30
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