ET PHISHING [eSentire] Successful 163 Webmail Phish 2018-07-25

Query · suricata

flow:from_server,established;
flowbits:isset,ET.genericphish;
http.stat_code;
content:"200";
http.content_type;
content:"application/json";
file.data;
content:"{|22|user_id|22|:|22|"; nocase; within:20;
content:"|22|,|22|ip|22|:|22|"; nocase; within:15;
content:"|22|,|22|add_time|22|:|22|"; nocase; distance:0;
content:".163.com|5c 2f 22 2c 22|code|22 3a 22|ok|22|}"; nocase; endswith; fast_pattern;

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

  • correlates · Suricata flowbits ET.genericphish
    104 rules · view all
Raw source ET PHISHING [eSentire] Successful 163 Webmail Phish 2018-07-25 · 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 [eSentire] Successful 163 Webmail Phish 2018-07-25";
    flow:from_server,established;
    flowbits:isset,ET.genericphish;
    http.stat_code;
    content:"200";
    http.content_type;
    content:"application/json";
    file.data;
    content:"{|22|user_id|22|:|22|"; nocase; within:20;
    content:"|22|,|22|ip|22|:|22|"; nocase; within:15;
    content:"|22|,|22|add_time|22|:|22|"; nocase; distance:0;
    content:".163.com|5c 2f 22 2c 22|code|22 3a 22|ok|22|}"; nocase; endswith; fast_pattern;
    classtype:credential-theft;
    sid:2025893; rev:4;
    metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2018_07_25, deployment Perimeter, confidence Medium, signature_severity Critical, tag Phishing, updated_at 2022_03_24, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1566, mitre_technique_name Phishing;
)

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