Rule History

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Win32/Fosniw MacTryCnt CnC Style Checkin"; flow:established,to_server; http.uri; content:"&logdata=MacTryCnt|3a|"; fast_pattern; reference:url,www.microsoft.com/security/portal/Threat/Encyclopedia/Entry.aspx?Name=TrojanDownloader%3AWin32%2FFosniw.B; classtype:command-and-control; sid:2013202; rev:4; metadata:created_at 2011_07_06, malware_family Win32_Fosniw, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_08_17;)