alert http $EXTERNAL_NET any -> $HOME_NET any (
msg:"ET PHISHING Adobe Shared Document Phishing Landing M2 2016-08-31";
flow:to_client,established;
http.stat_code;
content:"200";
http.content_type;
content:"text/html"; startswith;
file.data;
content:"Adobe PDF Online"; nocase; fast_pattern;
content:"Authentication Is Required"; nocase; distance:0;
content:"For security reasons"; nocase; distance:0;
content:"confirm your email to view document"; nocase; distance:0;
classtype:social-engineering;
sid:2032066; rev:3;
metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2016_09_01, deployment Perimeter, performance_impact Low, confidence Medium, signature_severity Major, tag Phishing, updated_at 2020_07_27;
)