alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET ADWARE_PUP UBar Trojan/Adware Checkin 1"; flow:established,to_server; http.uri; content:"?gname="; content:"&pid="; content:"&m="; http.header; content:"|20|from|3a 20|http|3a|//www.bsalsa.com/ EmbeddedWB|20|"; reference:md5,81a119f7f47663c03053e76146f54fe9; classtype:pup-activity; sid:2013556; rev:5; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2011_09_10, deployment Perimeter, signature_severity Minor, updated_at 2020_08_31;)