ET MALWARE AgentTesla Exfil Via SMTP

Query · suricata

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;
Raw source ET MALWARE AgentTesla Exfil Via SMTP · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
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;
)

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