ET EXPLOIT Cisco Catalyst Remote Code Execution (CVE-2017-3881)

Query · suricata

flow:to_server,established;
content:"|ff fa 24 00 03|CISCO_KITS";
content:"|3a|"; distance:2; within:1;
isdataat:160,relative;
content:!"|3a|"; within:160;
Raw source ET EXPLOIT Cisco Catalyst Remote Code Execution (CVE-2017-3881) · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert tcp any any -> $HOME_NET 23 (
    msg:"ET EXPLOIT Cisco Catalyst Remote Code Execution (CVE-2017-3881)";
    flow:to_server,established;
    content:"|ff fa 24 00 03|CISCO_KITS";
    content:"|3a|"; distance:2; within:1;
    isdataat:160,relative;
    content:!"|3a|"; within:160;
    reference:url,artkond.com/2017/04/10/cisco-catalyst-remote-code-execution/;
    classtype:attempted-user;
    sid:2024194; rev:1;
    metadata:affected_product CISCO_Catalyst, attack_target IoT, created_at 2017_04_10, cve CVE_2017_3881, deployment Datacenter, performance_impact Low, confidence Medium, signature_severity Critical, tag CISA_KEV, updated_at 2019_07_26, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
)

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