ET MALWARE Known Sinkhole Response Header CERT.PL

Query · suricata

flow:established,from_server;
http.content_len;
byte_test:0,=,24,0,string,dec;
file.data;
content:"Sinkholed by CERT.PL"; within:24; fast_pattern;
Raw source ET MALWARE Known Sinkhole Response Header CERT.PL · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET MALWARE Known Sinkhole Response Header CERT.PL";
    flow:established,from_server;
    http.content_len;
    byte_test:0,=,24,0,string,dec;
    file.data;
    content:"Sinkholed by CERT.PL"; within:24; fast_pattern;
    classtype:trojan-activity;
    sid:2020172; rev:4;
    metadata:created_at 2015_01_13, confidence High, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_11_17;
)

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