ET EXPLOIT_KIT SUSPICIOUS Grey Advertising Often Leading to EK

Query · suricata

flow:established,from_server;
file_data;
content:"|69 66 20 28 62 65 66 6f 72 65 53 63 72 69 70 74 53 72 63 20 26 26 20 74 79 70 65 6f 66 20 62 65 66 6f 72 65 53 63 72 69 70 74 53 72 63 20 3d 3d 3d 20 27 73 74 72 69 6e 67 27 29|";
content:"|66 75 6e 63 74 69 6f 6e 20 28 73 72 63 2c 20 61 73 79 6e 63 2c 20 62 65 66 6f 72 65 53 63 72 69 70 74 53 72 63 2c 20 63 61 6c 6c 62 61 63 6b 29|";
Raw source ET EXPLOIT_KIT SUSPICIOUS Grey Advertising Often Leading to EK · 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 SUSPICIOUS Grey Advertising Often Leading to EK";
    flow:established,from_server;
    file_data;
    content:"|69 66 20 28 62 65 66 6f 72 65 53 63 72 69 70 74 53 72 63 20 26 26 20 74 79 70 65 6f 66 20 62 65 66 6f 72 65 53 63 72 69 70 74 53 72 63 20 3d 3d 3d 20 27 73 74 72 69 6e 67 27 29|";
    content:"|66 75 6e 63 74 69 6f 6e 20 28 73 72 63 2c 20 61 73 79 6e 63 2c 20 62 65 66 6f 72 65 53 63 72 69 70 74 53 72 63 2c 20 63 61 6c 6c 62 61 63 6b 29|";
    reference:url,www.mysonicwall.com/sonicalert/searchresults.aspx?ev=article&id=854;
    classtype:exploit-kit;
    sid:2021763; rev:3;
    metadata:created_at 2015_09_12, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;
)

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