ET WEB_SPECIFIC_APPS Possible CVE-2020-8518 (Horde Groupware RCE)

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:"data.php"; endswith;
http.request_body;
content:"|22 3b 20|filename=|22|";
content:"|2e|passthru|28|";
content:"|2e|die|28 29 3b|"; distance:0;
http.header_names;
content:"horde_secret_key|0d 0a|"; nocase; fast_pattern;
Raw source ET WEB_SPECIFIC_APPS Possible CVE-2020-8518 (Horde Groupware RCE) · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET WEB_SPECIFIC_APPS Possible CVE-2020-8518 (Horde Groupware RCE)";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:"data.php"; endswith;
    http.request_body;
    content:"|22 3b 20|filename=|22|";
    content:"|2e|passthru|28|";
    content:"|2e|die|28 29 3b|"; distance:0;
    http.header_names;
    content:"horde_secret_key|0d 0a|"; nocase; fast_pattern;
    reference:url,cardaci.xyz/advisories/2020/03/10/horde-groupware-webmail-edition-5.2.22-rce-in-csv-data-import/;
    reference:cve,2020-8518;
    classtype:attempted-admin;
    sid:2029636; rev:3;
    metadata:attack_target Web_Server, created_at 2020_03_13, cve CVE_2020_8518, deployment Perimeter, performance_impact Low, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_11_07;
)

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