ET ADWARE_PUP Win32/Hao123.C Variant CnC Activity

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.content_type;
content:"multipart/form-data|3b 20|boundary="; startswith;
http.request_body;
content:"Content|2d|Disposition|3a 20|form|2d|data|3b 20|name|3d 22|ufile01|22 3b 20|filename|3d 22|boundary|22 0d 0a|Content|2d|Type|3a 20|application|2f|octet|2d|stream|0d 0a 0d 0a 2f 78 ec 05 67|"; fast_pattern;
Raw source ET ADWARE_PUP Win32/Hao123.C Variant CnC Activity · 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 http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET ADWARE_PUP Win32/Hao123.C Variant CnC Activity";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.content_type;
    content:"multipart/form-data|3b 20|boundary="; startswith;
    http.request_body;
    content:"Content|2d|Disposition|3a 20|form|2d|data|3b 20|name|3d 22|ufile01|22 3b 20|filename|3d 22|boundary|22 0d 0a|Content|2d|Type|3a 20|application|2f|octet|2d|stream|0d 0a 0d 0a 2f 78 ec 05 67|"; fast_pattern;
    reference:md5,dd2a33d25cea02f25513940751a36649;
    classtype:pup-activity;
    sid:2034908; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2022_01_13, deployment Perimeter, confidence High, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_01_13;
)

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