ET EXPLOIT Possible Apache Text4shell RCE Attempt DNS Prefix (CVE-2022-42889) (Outbound)

Query · suricata

flow:established,to_server;
http.uri;
content:"|3d 24 7b|dns|3a|address|7c|"; fast_pattern;
content:"|7d|"; distance:0;
Raw source ET EXPLOIT Possible Apache Text4shell RCE Attempt DNS Prefix (CVE-2022-42889) (Outbound) · Suricata
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Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $HOME_NET any -> any any (
    msg:"ET EXPLOIT Possible Apache Text4shell RCE Attempt DNS Prefix (CVE-2022-42889) (Outbound)";
    flow:established,to_server;
    http.uri;
    content:"|3d 24 7b|dns|3a|address|7c|"; fast_pattern;
    content:"|7d|"; distance:0;
    reference:cve,2022-42889;
    reference:url,sysdig.com/blog/cve-2022-42889-text4shell;
    classtype:attempted-admin;
    sid:2039467; rev:2;
    metadata:affected_product Apache_HTTP_server, attack_target Web_Server, created_at 2022_10_19, cve CVE_2022_42889, deployment Perimeter, deployment SSLDecrypt, confidence Low, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_10_24;
)

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