ET EXPLOIT Citrix App Delivery Controller and Citrix Gateway M1 (CVE-2019-19781)

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:"/newbm.pl"; nocase; fast_pattern; endswith;
http.header_names;
content:"|0d 0a|NSC_USER|0d 0a|"; nocase;
content:"|0d 0a|NSC_NONCE|0d 0a|"; nocase;
http.request_body;
content:"template.new"; nocase;
content:"url="; nocase;
Raw source ET EXPLOIT Citrix App Delivery Controller and Citrix Gateway M1 (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 -> [$HOME_NET,$HTTP_SERVERS] any (
    msg:"ET EXPLOIT Citrix App Delivery Controller and Citrix Gateway M1 (CVE-2019-19781)";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:"/newbm.pl"; nocase; fast_pattern; endswith;
    http.header_names;
    content:"|0d 0a|NSC_USER|0d 0a|"; nocase;
    content:"|0d 0a|NSC_NONCE|0d 0a|"; nocase;
    http.request_body;
    content:"template.new"; nocase;
    content:"url="; nocase;
    reference:url,github.com/trustedsec/cve-2019-19781;
    reference:cve,2019-19781;
    classtype:attempted-admin;
    sid:2034279; rev:2;
    metadata:attack_target Server, created_at 2021_10_28, cve CVE_2019_19781, deployment Perimeter, deployment Internal, confidence High, signature_severity Major, tag Exploit, tag CISA_KEV, updated_at 2022_02_04, reviewed_at 2023_08_22, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
)

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