ET EXPLOIT_KIT Terror EK Payload URI T1 Jun 02 2017 M2

Query · suricata

flow:established,from_server;
http.header;
content:"Content-Description|3a 20|File Transfer";
content:"Expires|3a 20|0";
pcre:"/Content-Disposition\x3a[^\r\n]+\.exe-rc4\.exe\r\n/i";
http.cookie;
content:"ci_session";
file.data;
content:!"MZ"; within:2;
Raw source ET EXPLOIT_KIT Terror EK Payload URI T1 Jun 02 2017 M2 · 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 EXPLOIT_KIT Terror EK Payload URI T1 Jun 02 2017 M2";
    flow:established,from_server;
    http.header;
    content:"Content-Description|3a 20|File Transfer";
    content:"Expires|3a 20|0";
    pcre:"/Content-Disposition\x3a[^\r\n]+\.exe-rc4\.exe\r\n/i";
    http.cookie;
    content:"ci_session";
    file.data;
    content:!"MZ"; within:2;
    classtype:exploit-kit;
    sid:2024345; rev:3;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Web_Browser_Plugins, attack_target Client_Endpoint, created_at 2017_06_02, deployment Perimeter, malware_family Exploit_Kit_Terror, confidence High, signature_severity Major, tag Exploit_Kit_Terror, updated_at 2020_08_06;
)

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