alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Suspected Kimsuky Related Activity (set)"; flow:established,to_server; flowbits:set,ET.kimsukymisc; flowbits:noalert; http.method; content:"GET"; http.uri; content:".php?query="; pcre:"/^[0-9]{1,2}$/R"; http.user_agent; content:!"Android"; content:!"Linux"; http.header_names; content:!"Referer"; reference:md5,9e71586d1a773dcf30f8fe1f6855a259; reference:url,twitter.com/StopMalvertisin/status/1669379332547186690; classtype:trojan-activity; sid:2046618; rev:1; metadata:attack_target Client_Endpoint, created_at 2023_06_22, deployment Perimeter, performance_impact Moderate, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_06_22; target:src_ip;)