ET WEB_CLIENT Suspicious PHP UNZIP Tool Accessed on External Possibly Compromised Server

Query · suricata

flow:established,to_client;
file_data;
content:"<head><title>PHP UnZIP"; nocase; fast_pattern;
content:"<div class=|22|header|22|>PHP UnZIP!!!</div>";
Raw source ET WEB_CLIENT Suspicious PHP UNZIP Tool Accessed on External Possibly Compromised Server · 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_CLIENT Suspicious PHP UNZIP Tool Accessed on External Possibly Compromised Server";
    flow:established,to_client;
    file_data;
    content:"<head><title>PHP UnZIP"; nocase; fast_pattern;
    content:"<div class=|22|header|22|>PHP UnZIP!!!</div>";
    classtype:web-application-attack;
    sid:2034336; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2021_11_03, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_11_03, reviewed_at 2024_06_26;
)

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