ET PHISHING Successful IRS Phish 2016-01-23

Query · suricata

flow:to_client,established;
flowbits:isset,ET.irs.phish;
http.stat_code;
content:"302";
http.location;
content:"http"; depth:4;
content:"irs.gov"; distance:0; nocase; fast_pattern;
http.content_type;
content:"text/html"; depth:9;

Rule dependencies

⚠ Higher-order rule. It fires on other rules' alerts, not on raw events, so it cannot fire on its own. Deploy the rules it depends on too.

Depends on

Raw source ET PHISHING Successful IRS Phish 2016-01-23 · 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 Successful IRS Phish 2016-01-23";
    flow:to_client,established;
    flowbits:isset,ET.irs.phish;
    http.stat_code;
    content:"302";
    http.location;
    content:"http"; depth:4;
    content:"irs.gov"; distance:0; nocase; fast_pattern;
    http.content_type;
    content:"text/html"; depth:9;
    classtype:credential-theft;
    sid:2032672; rev:6;
    metadata:attack_target Client_Endpoint, created_at 2016_01_23, deployment Perimeter, confidence Medium, signature_severity Critical, tag Phishing, updated_at 2020_12_11, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1566, mitre_technique_name Phishing;
)

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