ET WEB_SPECIFIC_APPS SysAid On-Prem lshw XML External Entity Injection (CVE-2025-2777)

Query · suricata

flow:established,to_server;
http.uri;
content:"/lshw"; startswith;
http.request_body;
content:"|3c 21|ENTITY|20 25|"; fast_pattern;
content:"SYSTEM"; distance:0;
http.method;
content:"POST";
target:dest_ip;
Raw source ET WEB_SPECIFIC_APPS SysAid On-Prem lshw XML External Entity Injection (CVE-2025-2777) · Suricata
Esc
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 any (
    msg:"ET WEB_SPECIFIC_APPS SysAid On-Prem lshw XML External Entity Injection (CVE-2025-2777)";
    flow:established,to_server;
    http.uri;
    content:"/lshw"; startswith;
    http.request_body;
    content:"|3c 21|ENTITY|20 25|"; fast_pattern;
    content:"SYSTEM"; distance:0;
    http.method;
    content:"POST";
    reference:url,labs.watchtowr.com/sysowned-your-friendly-rce-support-ticket/;
    reference:cve,2025-2777;
    classtype:web-application-attack;
    sid:2066205; rev:1;
    metadata:affected_product SysAid, attack_target Server, tls_state TLSDecrypt, created_at 2025_12_09, cve CVE_2025_2777, deployment Perimeter, deployment Internal, deployment SSLDecrypt, confidence High, signature_severity Major, tag Exploit, updated_at 2025_12_09, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
    target:dest_ip;
)

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