Rule History

alert tcp $HOME_NET any -> $EXTERNAL_NET [25,587] (msg:"ET MALWARE Trojan/Downloader.Fosniw.sap Reporting via SMTP"; flow:established,to_server; content:"From|3a|"; content:"Subject|3a 20|keylogger(v0."; fast_pattern; nocase; content:"@UserName"; content:"@ComputerName"; reference:md5,e36469241764b8c954a700146ca4c43f; classtype:trojan-activity; sid:2019933; rev:2; metadata:created_at 2014_12_13, signature_severity Major, updated_at 2019_10_08;)