ET MALWARE MEME#4CHAN Redirect Activity to Payload

Query · suricata

flow:established,to_server;
http.uri;
content:"/atom.xml"; endswith; fast_pattern;
http.user_agent;
content:"Microsoft Office"; startswith;
http.header_names;
content:!"Referer|0d 0a|";
http.host;
content:".blogspot.com"; endswith;
Raw source ET MALWARE MEME#4CHAN Redirect Activity to Payload · 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 MEME#4CHAN Redirect Activity to Payload";
    flow:established,to_server;
    http.uri;
    content:"/atom.xml"; endswith; fast_pattern;
    http.user_agent;
    content:"Microsoft Office"; startswith;
    http.header_names;
    content:!"Referer|0d 0a|";
    http.host;
    content:".blogspot.com"; endswith;
    reference:url,securonix.com/blog/securonix-threat-labs-security-meme4chan-advisory/;
    reference:md5,df7148650d18ee87e9abe3abaa51e650;
    classtype:trojan-activity;
    sid:2046157; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_06_07, deployment Perimeter, malware_family Xworm, confidence High, signature_severity Major, tag MEME_4CHAN, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_06_07;
)

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