ET MALWARE Generic PHP Backdoor CnC Response

Query · suricata

flow:established,to_client;
flowbits:isset,ET.misc.phpbackdoor;
http.response_body;
content:"6a59bb58c6c03d5103d44f3b7e5ebf07"; fast_pattern;

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 Generic PHP Backdoor CnC 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 [$HOME_NET,$HTTP_SERVERS] any -> $EXTERNAL_NET any (
    msg:"ET MALWARE Generic PHP Backdoor CnC Response";
    flow:established,to_client;
    flowbits:isset,ET.misc.phpbackdoor;
    http.response_body;
    content:"6a59bb58c6c03d5103d44f3b7e5ebf07"; fast_pattern;
    reference:url,bartbroere.eu/2023/12/31/php-backdoor-malware/;
    reference:url,seclists.org/snort/2024/q1/0;
    classtype:web-application-activity;
    sid:2049900; rev:1;
    metadata:affected_product Wordpress, attack_target Web_Server, created_at 2024_01_03, deployment Perimeter, confidence High, signature_severity Critical, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_01_03;
)

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