alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE PowerTrick download ver2 bot"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"?a=irs&x="; reference:url,labs.sentinelone.com/top-tier-russian-organized-cybercrime-group-unveils-fileless-stealthy-powertrick-backdoor-for-high-value-targets/; classtype:trojan-activity; sid:2029273; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_01_14, deployment Perimeter, malware_family PowerTrick, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_01_14;)