ET MALWARE Win32/TrojanDownloader.Small.AWO CnC Activity

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"boxfid.php?&mac="; fast_pattern;
content:"&action="; distance:12; within:8;
content:"&disk="; distance:0;
content:"&md5="; distance:0;
isdataat:!33,relative;
Raw source ET MALWARE Win32/TrojanDownloader.Small.AWO 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 MALWARE Win32/TrojanDownloader.Small.AWO CnC Activity";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"boxfid.php?&mac="; fast_pattern;
    content:"&action="; distance:12; within:8;
    content:"&disk="; distance:0;
    content:"&md5="; distance:0;
    isdataat:!33,relative;
    reference:md5,047719e7aae5c1466db7c82a18726828;
    classtype:command-and-control;
    sid:2031605; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2021_02_04, deployment Perimeter, malware_family Win32_TrojanDownloader_Small_AWO, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_02_04;
)

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