alert http any any -> $HOME_NET any (
msg:"ET WEB_SPECIFIC_APPS SysAid On-Prem Authenticated updateApi Arbitrary OS Command Injection (CVE-2025-2778)";
flow:established,to_server;
http.uri;
content:"/API.jsp";
http.request_body;
content:"updateApiSettings|3d|true"; fast_pattern;
content:"javaLocation|3d|";
pcre:"/^[^&]*?(?:[\x3b\x24\x60\x7c]|\x25(?:0[aA]|3[bB]|24|60|7[cC]))/R";
reference:url,www.sonicwall.com/blog/critical-sysaid-xxe-vulnerabilities-expose-systems-to-remote-exploitation-cve-2025-2775-2777-;
reference:cve,2025-2778;
classtype:web-application-attack;
sid:2066207; rev:1;
metadata:affected_product SysAid, attack_target Server, tls_state TLSDecrypt, created_at 2025_12_09, cve CVE_2025_2778, 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;
)