ET MALWARE Possible Puzzlemaker Remote Shell Activity (GET)

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"/analytics"; bsize:10;
http.header_names;
content:"|0d 0a|Connection|0d 0a|User-Agent|0d 0a|Host|0d 0a 0d 0a|"; bsize:34; fast_pattern;
http.user_agent;
content:"Win64|3b|";
content:"Chrome/";
Raw source ET MALWARE Possible Puzzlemaker Remote Shell Activity (GET) · 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 Possible Puzzlemaker Remote Shell Activity (GET)";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/analytics"; bsize:10;
    http.header_names;
    content:"|0d 0a|Connection|0d 0a|User-Agent|0d 0a|Host|0d 0a 0d 0a|"; bsize:34; fast_pattern;
    http.user_agent;
    content:"Win64|3b|";
    content:"Chrome/";
    reference:md5,d6b850c950379d5ee0f254f7164833e8;
    reference:url,securelist.com/puzzlemaker-chrome-zero-day-exploit-chain/102771/;
    classtype:trojan-activity;
    sid:2033128; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2021_06_09, deployment Perimeter, deployment SSLDecrypt, confidence Medium, signature_severity Major, tag RAT, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_06_09;
)

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