ET MALWARE PNScan.2 Inbound Status Check Response

Query · suricata

flow:established,from_server;
flowbits:isset,ET.PNScan.2;
http.header;
content:"Content-Length|3a 20|12|0d 0a|";
file.data;
content:"{|22|status|22 3a|1}"; 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 PNScan.2 Inbound Status Check Response · Suricata
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Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $HOME_NET 9000 -> $EXTERNAL_NET any (
    msg:"ET MALWARE PNScan.2 Inbound Status Check Response";
    flow:established,from_server;
    flowbits:isset,ET.PNScan.2;
    http.header;
    content:"Content-Length|3a 20|12|0d 0a|";
    file.data;
    content:"{|22|status|22 3a|1}"; fast_pattern;
    reference:url,blog.malwaremustdie.org/2016/08/mmd-0054-2016-pnscan-elf-worm-that.html;
    reference:url,vms.drweb.com/virus/?_is=1&i=7299536;
    classtype:trojan-activity;
    sid:2023088; rev:4;
    metadata:affected_product Linux, attack_target Client_Endpoint, created_at 2016_08_25, deployment Perimeter, deployment Datacenter, malware_family PNScan_2, performance_impact Low, signature_severity Major, updated_at 2020_10_06;
)

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