ET WEB_SPECIFIC_APPS Zoho ManageEngine OpManager Directory Traversal Attempt (CVE-2020-12116)

Query · suricata

flow:established,to_server;
http.request_line;
content:"GET /cachestart/"; startswith;
pcre:"/^\d{1,6}/R";
content:"/cacheend/apiclient/fluidicv2/javascript/jquery/"; fast_pattern; within:53;
pcre:"/^.{0,10}(?:(?:\x2e|%2[Ee]){1,2}(?:\x2f|\x5c|%5[Cc]|%2[Ff]){1,}){2,}/R";
target:dest_ip;
Raw source ET WEB_SPECIFIC_APPS Zoho ManageEngine OpManager Directory Traversal Attempt (CVE-2020-12116) · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http any any -> $HOME_NET any (
    msg:"ET WEB_SPECIFIC_APPS Zoho ManageEngine OpManager Directory Traversal Attempt (CVE-2020-12116)";
    flow:established,to_server;
    http.request_line;
    content:"GET /cachestart/"; startswith;
    pcre:"/^\d{1,6}/R";
    content:"/cacheend/apiclient/fluidicv2/javascript/jquery/"; fast_pattern; within:53;
    pcre:"/^.{0,10}(?:(?:\x2e|%2[Ee]){1,2}(?:\x2f|\x5c|%5[Cc]|%2[Ff]){1,}){2,}/R";
    reference:url,github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2020/CVE-2020-12116.yaml;
    reference:cve,2020-12116;
    classtype:web-application-attack;
    sid:2056376; rev:2;
    metadata:affected_product Zoho_ManageEngine, created_at 2024_10_01, cve CVE_2020_12116, deployment Perimeter, deployment Internal, deployment SSLDecrypt, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_11_26, mitre_tactic_id TA0006, mitre_tactic_name Credential_Access, mitre_technique_id T1552, mitre_technique_name Unsecured_Credentials;
    target:dest_ip;
)

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