ET PHISHING AES Crypto Observed in Javascript - Possible Phishing Landing

Query · suricata

flow:established,from_server;
file_data;
content:"hea2p"; distance:0; nocase;
content:"0123456789ABCDEFGHIJKLMNOPQRSTUVXYZabcdefghijklmnopqrstuvxyz"; fast_pattern; distance:0;
content:"hea2t"; distance:0; nocase;
content:"Aes"; nocase; distance:0;
pcre:"/^\s*?\.\s*?Ctr\s*?\.\s*?decrypt/Rsi";
Raw source ET PHISHING AES Crypto Observed in Javascript - Possible Phishing Landing · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET PHISHING AES Crypto Observed in Javascript - Possible Phishing Landing";
    flow:established,from_server;
    file_data;
    content:"hea2p"; distance:0; nocase;
    content:"0123456789ABCDEFGHIJKLMNOPQRSTUVXYZabcdefghijklmnopqrstuvxyz"; fast_pattern; distance:0;
    content:"hea2t"; distance:0; nocase;
    content:"Aes"; nocase; distance:0;
    pcre:"/^\s*?\.\s*?Ctr\s*?\.\s*?decrypt/Rsi";
    classtype:social-engineering;
    sid:2025656; rev:4;
    metadata:attack_target Client_Endpoint, created_at 2015_10_22, deployment Perimeter, confidence Medium, signature_severity Critical, tag Phishing, updated_at 2022_03_17, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1566, mitre_technique_name Phishing;
)

Detection rules belong to the projects that publish them and remain under their own licenses. This site indexes and links to them; it claims no rights in them.