alert http any any -> $HTTP_SERVERS any (
msg:"ET WEB_SPECIFIC_APPS [eSentire] Drupalgeddon2 <8.3.9 <8.4.6 <8.5.1 RCE Through Registration Form (CVE-2018-7600)";
flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"user/password&name"; nocase; fast_pattern;
content:"markup|5d 3d|"; nocase; distance:0;
pcre:"/^\[(?:%(?:25)?23|#)\s*(?:access_callback|pre_render|post_render|lazy_builder)/Ri";
reference:cve,2018-7600;
reference:url,research.checkpoint.com/uncovering-drupalgeddon-2;
classtype:attempted-admin;
sid:2025646; rev:2;
metadata:affected_product Drupal_Server, attack_target Client_Endpoint, created_at 2018_07_10, deployment Perimeter, performance_impact Moderate, confidence High, signature_severity Major, tag CISA_KEV, updated_at 2020_08_25;
)