alert tcp $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Java/QRat Variant Checkin"; flow:established,to_server; dsize:9; content:"|00 07|nemesis"; classtype:command-and-control; sid:2025552; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2018_05_01, deployment Perimeter, malware_family QRat, confidence High, signature_severity Major, updated_at 2019_07_26;)