ET MALWARE Win32/Syndicasec Encoded Response Embedded in HTML Title Tags Inbound

alert http $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET MALWARE Win32/Syndicasec Encoded Response Embedded in HTML Title Tags Inbound";
    flow:established,to_client;
    http.response_body;
    content:"|3c|title|3e 40|";
    content:!"|40|"; within:1;
    content:"|40 3c 2f|title|3e|"; distance:3; within:150; fast_pattern;
    reference:url,www.mcafee.com/blogs/other-blogs/mcafee-labs/operation-mangal-win32syndicasec-used-targeted-attacks-indian-organizations/;
    reference:md5,f339bbca8e7a5d0f1629212f61b7d351;
    classtype:command-and-control;
    sid:2033905; rev:3;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2021_09_07, deployment Perimeter, malware_family Win32_Syndicasec, performance_impact Low, confidence High, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_06_24;
)