ET ATTACK_RESPONSE Obfuscated Eval String 4

Query · suricata

flow:established,from_server;
file_data;
content:"|22|e|22|+|22|v|22|+|22|a|22|+|22|l|22|";
Raw source ET ATTACK_RESPONSE Obfuscated Eval String 4 · 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 ATTACK_RESPONSE Obfuscated Eval String 4";
    flow:established,from_server;
    file_data;
    content:"|22|e|22|+|22|v|22|+|22|a|22|+|22|l|22|";
    classtype:bad-unknown;
    sid:2017209; rev:3;
    metadata:created_at 2013_07_27, deployment alert_only, confidence Medium, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_04_19, mitre_tactic_id TA0005, mitre_tactic_name Defense_Evasion, mitre_technique_id T1027, mitre_technique_name Obfuscated_Files_or_Information;
)

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