ET PHISHING Successful Generic Email Account Phish 2019-12-10

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:".php?yasse="; fast_pattern;
content:"&upw="; distance:0;
content:"&hidCflag="; distance:0;
http.header_names;
content:!"Referer";
Raw source ET PHISHING Successful Generic Email Account Phish 2019-12-10 · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET PHISHING Successful Generic Email Account Phish 2019-12-10";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:".php?yasse="; fast_pattern;
    content:"&upw="; distance:0;
    content:"&hidCflag="; distance:0;
    http.header_names;
    content:!"Referer";
    reference:url,isc.sans.edu/forums/diary/Phishing+with+a+selfcontained+credentialsstealing+webpage/25580/;
    classtype:credential-theft;
    sid:2029105; rev:1;
    metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2019_12_10, deployment Perimeter, confidence Medium, signature_severity Critical, tag Phishing, updated_at 2019_12_10, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1566, mitre_technique_name Phishing;
)

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