ET WEB_CLIENT [eSentire] Fake Flash Update 2018-07-09

Query · suricata

flow:established,to_client;
file_data;
content:"<title>Critical error!"; nocase; fast_pattern;
content:"Your player version"; nocase; distance:0;
content:"has a critical vulnerability"; nocase; distance:0;
content:"FlashPlayer.exe"; nocase; distance:0;
Raw source ET WEB_CLIENT [eSentire] Fake Flash Update 2018-07-09 · 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 WEB_CLIENT [eSentire] Fake Flash Update 2018-07-09";
    flow:established,to_client;
    file_data;
    content:"<title>Critical error!"; nocase; fast_pattern;
    content:"Your player version"; nocase; distance:0;
    content:"has a critical vulnerability"; nocase; distance:0;
    content:"FlashPlayer.exe"; nocase; distance:0;
    classtype:trojan-activity;
    sid:2025647; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2018_07_10, deployment Perimeter, performance_impact Moderate, signature_severity Major, updated_at 2019_07_26;
)

Detection rules belong to the projects that publish them and remain under their own licenses. This site indexes and links to them; it claims no rights in them.