ET MALWARE CryptoLocker EXE Download

Query · suricata

flow:to_server,established;
http.uri;
content:"/crypt_";
content:"sell"; distance:0;
content:".exe"; distance:0;
pcre:"/\/crypt_[^\/]*?sell[^\/]*?\d\.exe$/";
Raw source ET MALWARE CryptoLocker EXE Download · 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 -> $EXTERNAL_NET any (
    msg:"ET MALWARE CryptoLocker EXE Download";
    flow:to_server,established;
    http.uri;
    content:"/crypt_";
    content:"sell"; distance:0;
    content:".exe"; distance:0;
    pcre:"/\/crypt_[^\/]*?sell[^\/]*?\d\.exe$/";
    classtype:trojan-activity;
    sid:2017583; rev:6;
    metadata:created_at 2013_10_12, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_04_27;
)

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