ET SCAN Possible WordPress xmlrpc.php BruteForce in Progress - Response

Query · suricata

flow:established,from_server;
flowbits:isset,ET.XMLRPC.PHP;
file_data;
content:"<name>faultCode</name>";
content:"<int>403</int>";
content:"<string>Incorrect username or password.</string>";
threshold:type both, track by_src, count 5, seconds 120;

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 SCAN Possible WordPress xmlrpc.php BruteForce in Progress - Response · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $HTTP_SERVERS any -> $EXTERNAL_NET any (
    msg:"ET SCAN Possible WordPress xmlrpc.php BruteForce in Progress - Response";
    flow:established,from_server;
    flowbits:isset,ET.XMLRPC.PHP;
    file_data;
    content:"<name>faultCode</name>";
    content:"<int>403</int>";
    content:"<string>Incorrect username or password.</string>";
    threshold:type both, track by_src, count 5, seconds 120;
    reference:url,isc.sans.edu/diary/+WordPress+brute+force+attack+via+wp.getUsersBlogs/18427;
    classtype:attempted-admin;
    sid:2018755; rev:5;
    metadata:affected_product Wordpress, affected_product Wordpress_Plugins, attack_target Web_Server, created_at 2014_07_23, deployment Datacenter, confidence Medium, signature_severity Major, tag Wordpress, updated_at 2019_07_26;
)

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