ET MALWARE W32/Snojan.BNQKZQH CnC Activity

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:".php?action=";
content:"&id="; distance:0;
isdataat:!18,relative;
http.header_names;
content:!"|0d 0a|Referer|0d 0a|";
http.request_body;
content:"eyJwYXNzIjoi"; startswith; fast_pattern;
Raw source ET MALWARE W32/Snojan.BNQKZQH 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 http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE W32/Snojan.BNQKZQH CnC Activity";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:".php?action=";
    content:"&id="; distance:0;
    isdataat:!18,relative;
    http.header_names;
    content:!"|0d 0a|Referer|0d 0a|";
    http.request_body;
    content:"eyJwYXNzIjoi"; startswith; fast_pattern;
    reference:md5,83d2fa0e16b39ee2280dea9d8f89aa48;
    classtype:command-and-control;
    sid:2034537; rev:2;
    metadata:attack_target Client_Endpoint, created_at 2021_11_23, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_11_23;
)

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