alert http any any -> $HOME_NET any (msg:"ET WEB_SPECIFIC_APPS phpGACL acl_admin acl_id Parameter Reflected Cross-Site Scripting (CVE-2020-13564)"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"admin/acl_admin.php|3f|"; fast_pattern; content:"acl_id|3d|"; distance:0; pcre:"/^.+(script|onmouse[a-z]+|onkey[a-z]+|onerror|onload|onunload|ondragdrop|onblur|onfocus|onclick|ondblclick|onsubmit|onreset|onselect|onchange|style\x3d)/Ri"; reference:url,talosintelligence.com/vulnerability_reports/TALOS-2020-1177; reference:cve,2020-13564; classtype:web-application-attack; sid:2059301; rev:1; metadata:affected_product phpGACL, attack_target Web_Server, tls_state TLSDecrypt, created_at 2025_01_17, cve CVE_2020_13564, deployment Perimeter, deployment Internal, deployment Datacenter, deployment SSLDecrypt, performance_impact Low, confidence High, signature_severity Major, tag Exploit, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_01_17, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application; target:dest_ip;)