Rule History

alert smtp $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE AgentTesla Exfil Via SMTP"; flow:established,to_server; content:"|0d 0a|Time|3a 20|"; content:"<br>User Name|3a 20|"; distance:0; content:"<br>OSFullName|3a 20|"; distance:0; fast_pattern; reference:md5,b8b71fc1124765b75b3aa3be805e9d12; classtype:trojan-activity; sid:2030171; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_05_18, deployment Perimeter, malware_family AgentTesla, confidence High, signature_severity Major, updated_at 2020_05_18;)