alert tcp $HOME_NET any -> $EXTERNAL_NET 1024: (msg:"ET MALWARE Win32/Corrempa/HZRAT CnC Checkin"; flow:established,to_server; dsize:9; content:"|40 42 42 42 46|"; depth:5; reference:md5,8c20c5719a44d47173d98d0574dd1b9c; reference:md5,b3815b65619c39e597c0762c3659031c; reference:url,twitter.com/DCSO_CyTec/status/1592866591926255619; reference:md5,609c81dc8568d8a72d170b66a3146340; classtype:trojan-activity; sid:2039799; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_06_16, deployment Perimeter, malware_family HZRAT, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_11_17, former_sid 2843065;)