ET MALWARE Possible GoBruteforcer Payload Retrieval Attempt

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"/.x/";
pcre:"/^(?:64|32|arm)/R";
content:"/cache_init"; fast_pattern; endswith;
Raw source ET MALWARE Possible GoBruteforcer Payload Retrieval Attempt · 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 Possible GoBruteforcer Payload Retrieval Attempt";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/.x/";
    pcre:"/^(?:64|32|arm)/R";
    content:"/cache_init"; fast_pattern; endswith;
    reference:url,unit42.paloaltonetworks.com/gobruteforcer-golang-botnet/;
    classtype:trojan-activity;
    sid:2044632; rev:1;
    metadata:affected_product Linux, attack_target Linux_Unix, created_at 2023_03_15, deployment Perimeter, performance_impact Low, confidence Low, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_03_15;
)

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