alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE Possible SharpShooter Framework Generated VBS Script"; flow:established,to_client; file_data; content:"RC4|28|byteMessage, strKey|29|"; nocase; content:"function decodeBase64|28|base64|29|"; nocase; distance:0; content:".createElement|28 22|tmp|22 29|"; nocase; distance:0; content:"decoded = decodeBase64|28|"; nocase; distance:0; reference:url,www.mdsec.co.uk/2018/03/payload-generation-using-sharpshooter/; reference:url,blog.morphisec.com/sharpshooter-pen-testing-framework-used-in-attacks; classtype:trojan-activity; sid:2026919; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_and_Server, created_at 2019_02_18, deployment Perimeter, performance_impact Low, confidence Medium, signature_severity Major, updated_at 2019_07_26;)