ET MALWARE Malicious XLS DDE rar Drop Fake 404 Response

Query · suricata

flow:established,to_client;
flowbits:isset,ET.xls.dde.drop;
http.stat_code;
content:"200";
file.data;
content:"<h1>404 Not Found</h1><span>The resource requested could not be found on this server!</span>"; endswith;

Rule dependencies

⚠ Higher-order rule. It fires on other rules' alerts, not on raw events, so it cannot fire on its own. Deploy the rules it depends on too.

Depends on

Raw source ET MALWARE Malicious XLS DDE rar Drop Fake 404 Response · 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 MALWARE Malicious XLS DDE rar Drop Fake 404 Response";
    flow:established,to_client;
    flowbits:isset,ET.xls.dde.drop;
    http.stat_code;
    content:"200";
    file.data;
    content:"<h1>404 Not Found</h1><span>The resource requested could not be found on this server!</span>"; endswith;
    reference:md5,63b070b222d170ef4cc35ad94d42a088;
    classtype:trojan-activity;
    sid:2026491; rev:4;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2018_10_16, deployment Perimeter, malware_family MalDocGeneric, malware_family Maldoc, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_09_16;
)

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.