ET EXPLOIT Citrix Application Delivery Controller Arbitrary Code Execution Attempt Scanner Attempt (CVE-2019-19781)

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"/vpns/cfg/smb.con"; nocase; fast_pattern;
http.uri.raw;
pcre:"/(?:(?:%2F|\/)(?:\.|%2E){2}(?:%2F|\/))/i";
Raw source ET EXPLOIT Citrix Application Delivery Controller Arbitrary Code Execution Attempt Scanner Attempt (CVE-2019-19781) · 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 -> $HTTP_SERVERS any (
    msg:"ET EXPLOIT Citrix Application Delivery Controller Arbitrary Code Execution Attempt Scanner Attempt (CVE-2019-19781)";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/vpns/cfg/smb.con"; nocase; fast_pattern;
    http.uri.raw;
    pcre:"/(?:(?:%2F|\/)(?:\.|%2E){2}(?:%2F|\/))/i";
    reference:url,github.com/trustedsec/cve-2019-19781;
    reference:cve,2019-19781;
    classtype:attempted-admin;
    sid:2035110; rev:2;
    metadata:created_at 2022_02_05, cve CVE_2019_19781, confidence High, signature_severity Major, tag CISA_KEV, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_02_05;
)

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