alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE [401TRG] PS/PowDesk Checkin (APT34)"; flow:to_server,established; http.uri; content:".php?devicename="; fast_pattern; content:"&result="; pcre:"/^(?:Sucessful|Failed|Missing\x20CBA8|Missing\x20LANDesk\x20Agent)$/R"; reference:url,www.clearskysec.com/powdesk-apt34/; reference:md5,2de2e528991ac2d85aa8f12fce5351ad; classtype:targeted-activity; sid:2029253; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_01_10, deployment Perimeter, malware_family PS_PowDesk, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_10_27;)