alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Steam Steal0r"; flow:established,to_server; http.uri; content:"info=Steam|20|Steal0r|20|"; fast_pattern; content:"&acc="; content:"&pw="; http.user_agent; content:"Mozilla/4.0 (compatible|3b 20|MSIE 6.0|3b 20|Windows NT 5.1|3b 20|SV1)"; depth:55; nocase; classtype:trojan-activity; sid:2008360; rev:7; metadata:created_at 2010_07_30, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_10_19;)