ET HUNTING Terse Request for WordPress Site ending in all digits

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"/wp-"; startswith; fast_pattern;
pcre:"/\/\d+$/";
http.header_names;
content:!"|0d 0a|Referer|0d 0a|";
content:!"|0d 0a|Accept";
content:!"|0d 0a|User-Agent|0d 0a|";
content:!"|0d 0a|Cookie|0d 0a|";
content:!"|0d 0a|Referer|0d 0a|";
Raw source ET HUNTING Terse Request for WordPress Site ending in all digits · 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 -> $EXTERNAL_NET any (
    msg:"ET HUNTING Terse Request for WordPress Site ending in all digits";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/wp-"; startswith; fast_pattern;
    pcre:"/\/\d+$/";
    http.header_names;
    content:!"|0d 0a|Referer|0d 0a|";
    content:!"|0d 0a|Accept";
    content:!"|0d 0a|User-Agent|0d 0a|";
    content:!"|0d 0a|Cookie|0d 0a|";
    content:!"|0d 0a|Referer|0d 0a|";
    classtype:trojan-activity;
    sid:2037880; rev:1;
    metadata:created_at 2022_08_02, performance_impact Moderate, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_08_02;
)

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