alert tcp $HOME_NET any -> $EXTERNAL_NET !$HTTP_PORTS (msg:"ET MALWARE [PTsecurity] pkt checker 0"; flow:established,to_server; flowbits:set,FB180732_0; flowbits:noalert; dsize:200<>513; stream_size:client,>,0; stream_size:server,=,1; stream_size:client, <,513; classtype:trojan-activity; sid:2024694; rev:4; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2017_09_11, deployment Perimeter, malware_family Remcos, performance_impact Moderate, confidence High, signature_severity Major, updated_at 2024_03_15;)