ET MALWARE JS SpyPress Dropped Webshell Inbound Request (list.js.php)

Query · suricata

flow:established,to_server;
http.uri;
content:"/list.js.php?c="; fast_pattern;
http.method;
content:"GET";
target:dest_ip;
Raw source ET MALWARE JS SpyPress Dropped Webshell Inbound Request (list.js.php) · 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 any any -> [$HOME_NET,$SMTP_SERVERS] any (
    msg:"ET MALWARE JS SpyPress Dropped Webshell Inbound Request (list.js.php)";
    flow:established,to_server;
    http.uri;
    content:"/list.js.php?c="; fast_pattern;
    http.method;
    content:"GET";
    reference:url,www.proofpoint.com/us/blog/threat-insight/ta458-roundpress-exploits;
    classtype:web-application-attack;
    sid:2071254; rev:1;
    metadata:attack_target Server, created_at 2026_07_21, deployment Perimeter, malware_family SpyPress, confidence High, signature_severity Major, tag WebShell, updated_at 2026_07_21, mitre_tactic_id TA0003, mitre_tactic_name Persistence, mitre_technique_id T1505, mitre_technique_name Server_Software_Component;
    target:dest_ip;
)

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