Rule History

alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET PHISHING PerSwaysion Phishkit Javascript - Observed Repetitive Custom JS Components"; flow:established,to_client; http.stat_code; content:"200"; file.data; content:"themes/js/"; fast_pattern; pcre:"/^[a-f0-9]{42}\.js\x27\x29\.then\x28(?:.{1,1000}themes\/js\/[a-f0-9]{42}\.js\x27\x29\.then\x28){5,}/Rsi"; reference:url,blog.group-ib.com/perswaysion; classtype:credential-theft; sid:2034002; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2021_09_21, deployment Perimeter, performance_impact Moderate, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_09_21;)