ET MALWARE Cryptowall docs campaign Sept 2015 encrypted binary (1)

Query · suricata

flow:established,to_client;
file_data;
content:"|23 31 f9 4f 62 57 73 67|"; within:8;
flowbits:set,et.exploitkitlanding;

Rule dependencies

Feeds into

  • 7 rules read et.exploitkitlanding · view all
Raw source ET MALWARE Cryptowall docs campaign Sept 2015 encrypted binary (1) · 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 Cryptowall docs campaign Sept 2015 encrypted binary (1)";
    flow:established,to_client;
    file_data;
    content:"|23 31 f9 4f 62 57 73 67|"; within:8;
    flowbits:set,et.exploitkitlanding;
    classtype:exploit-kit;
    sid:2021778; rev:2;
    metadata:created_at 2015_09_15, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;
)

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