ET MALWARE Win32/Numando Banker CnC Activity

Query · suricata

flow:established,to_server;
content:"<|7c|>1<|7c|>"; offset:7;
content:"<|7c|>Microsoft|20|Windows"; distance:0;
content:"<|7c|>0<|7c|>"; distance:0;
Raw source ET MALWARE Win32/Numando Banker CnC Activity · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert tcp $HOME_NET any -> $EXTERNAL_NET [!80,!443] (
    msg:"ET MALWARE Win32/Numando Banker CnC Activity";
    flow:established,to_server;
    content:"<|7c|>1<|7c|>"; offset:7;
    content:"<|7c|>Microsoft|20|Windows"; distance:0;
    content:"<|7c|>0<|7c|>"; distance:0;
    reference:md5,fec2f560619b88d9846fe03db6841e91;
    reference:url,www.welivesecurity.com/2021/09/17/numando-latam-banking-trojan/;
    classtype:trojan-activity;
    sid:2033983; rev:2;
    metadata:attack_target Client_Endpoint, created_at 2021_09_17, deployment Perimeter, malware_family Win32_Numando, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_04_18, reviewed_at 2023_08_22;
)

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