alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE Wide HTA with PowerShell Execution Inbound"; flow:established,from_server; http.stat_code; content:"200"; http.content_type; content:"application/hta"; file.data; content:"W|00|s|00|c|00|r|00|i|00|p|00|t"; nocase; content:"S|00|h|00|e|00|l|00|l|00|"; distance:0; nocase; content:"p|00|o|00|w|00|e|00|r|00|s|00|h|00|e|00|l|00|l|00|"; distance:0; nocase; fast_pattern; content:"h|00|i|00|d|00|d|00|e|00|n"; within:200; reference:md5,e5a9c413812b5217ef0da962668e9651; classtype:trojan-activity; sid:2027335; rev:3; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, created_at 2019_05_08, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag PowerShell, tag T1086, updated_at 2020_11_18;)