alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET PHISHING Possible Generic Credential Phish with Obfuscated Javascript"; flow:established,to_client; http.stat_code; content:"200"; file.data; content:"var erp = new Array|3b|"; fast_pattern; content:"erp["; distance:0; content:"String.fromCharCode(Math.floor((tmp/Math.pow(256,0))))"; distance:0; content:"document.write("; distance:0; reference:url,trendmicro.com/en_us/research/23/k/threat-actors-leverage-file-sharing-service-and-reverse-proxies.html; classtype:credential-theft; sid:2049178; rev:3; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_11_14, deployment Perimeter, deprecation_reason Duplicate, confidence Low, signature_severity Major, tag Phishing, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_12_13, mitre_tactic_id TA0005, mitre_tactic_name Defense_Evasion, mitre_technique_id T1027, mitre_technique_name Obfuscated_Files_or_Information;)