alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Kimsuky APT PebbleDash Related Activity (GET)"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"/test.php"; bsize:9; fast_pattern; http.accept; content:"|2a 2f 2a|"; http.connection; content:"Keep-Alive"; http.header_names; content:!"Referer"; http.request_body; content:"sep="; startswith; content:"&uid="; distance:0; reference:md5,946f787c129bf469298aa881fb0843f4; classtype:trojan-activity; sid:2036509; rev:3; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_05_04, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_03_14;)