alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Win32/Ymacco.AA67 CnC Activity"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/?v="; content:"&g="; distance:0; http.user_agent; content:"Mozilla/5.0 Gecko/41.0 Firefox/41.0"; bsize:35; fast_pattern; http.header_names; content:!"Referer"; reference:md5,3e5d4de6c6e2c18da8c1f75b10ca9cac; classtype:trojan-activity; sid:2031146; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_10_30, deployment Perimeter, malware_family Win32_Ymacco_AA67, confidence High, signature_severity Major, updated_at 2020_10_30;)