alert tcp $HOME_NET any -> $EXTERNAL_NET 1024: (msg:"ET MALWARE Pandorahvnc/Pikolo RAT Checkin Activity"; flow:established,to_server; content:"|00 01 00 00 00|"; offset:8; content:"|7c|Windows|20|"; fast_pattern; distance:0; content:"|7c 0b|"; endswith; reference:url,www.fortinet.com/blog/threat-research/phishing-campaign-delivering-fileless-malware-part-two; reference:url,blog.nsfocus.net/darkcasino-apt-evilnum; classtype:trojan-activity; sid:2036741; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_06_01, deployment Perimeter, malware_family PandoraHVNC, confidence High, signature_severity Major, tag RAT, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_06_01;)