ET HUNTING [ANY.RUN] DARKCLOUD Style External IP Check

Query · suricata

flow:established,to_server;
http.start;
content:"GET|20 2f 20|HTTP|2f|1|2e|1|0d 0a|User|2d|Agent|3a 20|Project1|0d 0a|Host|3a 20|showip|2e|net|0d 0a 0d 0a|"; bsize:58; fast_pattern;
Raw source ET HUNTING [ANY.RUN] DARKCLOUD Style External IP Check · 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 HUNTING [ANY.RUN] DARKCLOUD Style External IP Check";
    flow:established,to_server;
    http.start;
    content:"GET|20 2f 20|HTTP|2f|1|2e|1|0d 0a|User|2d|Agent|3a 20|Project1|0d 0a|Host|3a 20|showip|2e|net|0d 0a 0d 0a|"; bsize:58; fast_pattern;
    reference:url,community.emergingthreats.net/t/darkcloud/844;
    classtype:external-ip-check;
    sid:2047083; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2023_08_08, deployment Perimeter, deployment SSLDecrypt, malware_family DarkCloud, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_08_08;
)

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