ET MALWARE Win32/a310Logger Data Exfil via SMTP

Query · suricata

flow:established,to_server;
content:"Subject|3a 20|Data|3a 3a 3a|"; fast_pattern;
content:".zip|22 0d 0a 0d 0a|UEsDB"; distance:0;
Raw source ET MALWARE Win32/a310Logger Data Exfil via SMTP · Suricata
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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 Win32/a310Logger Data Exfil via SMTP";
    flow:established,to_server;
    content:"Subject|3a 20|Data|3a 3a 3a|"; fast_pattern;
    content:".zip|22 0d 0a 0d 0a|UEsDB"; distance:0;
    reference:md5,5f04cfa0c174af13b9825337bfa7691f;
    classtype:trojan-activity;
    sid:2033780; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2021_08_24, deployment Perimeter, malware_family Win32_a310Logger, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_08_24;
)

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