alert tcp-pkt $HOME_NET any -> $EXTERNAL_NET 1024: (msg:"ET MALWARE RisePro TCP Heartbeat Packet"; flow:established,to_server; dsize:11<>50; content:"|ad da ba ab|"; startswith; fast_pattern; content:"|27 00 00|"; distance:5; within:3; threshold:type both,track by_src, count 1, seconds 30; reference:md5,dbd32d02e980ceffdce16697edd62673; classtype:trojan-activity; sid:2049060; rev:3; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Windows_11, attack_target Client_Endpoint, created_at 2023_11_03, deployment Perimeter, malware_family Stealer, confidence High, signature_severity Major, updated_at 2024_01_10, reviewed_at 2023_11_03, mitre_tactic_id TA0009, mitre_tactic_name Collection, mitre_technique_id T1005, mitre_technique_name Data_from_local_system; target:src_ip;)