ET RETIRED IIS-Raid Module Backdoor - Successful PING in HTTP Response (PONG)

Query · suricata

flow:established,to_client;
flowbits:isset,ET.IIS-Raid.PING;
http.stat_code;
content:"200";
http.header;
content:"|3a 20|UElORw==|0d 0a|"; fast_pattern;
target:src_ip;

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 RETIRED IIS-Raid Module Backdoor - Successful PING in HTTP Response (PONG) · 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 -> any any (
    msg:"ET RETIRED IIS-Raid Module Backdoor - Successful PING in HTTP Response (PONG)";
    flow:established,to_client;
    flowbits:isset,ET.IIS-Raid.PING;
    http.stat_code;
    content:"200";
    http.header;
    content:"|3a 20|UElORw==|0d 0a|"; fast_pattern;
    reference:url,github.com/0x09AL/IIS-Raid;
    classtype:trojan-activity;
    sid:2046175; rev:2;
    metadata:attack_target Web_Server, created_at 2023_06_09, deployment Perimeter, deployment Internal, deployment SSLDecrypt, former_category MALWARE, malware_family IIS_Raid, performance_impact Low, confidence High, signature_severity Critical, updated_at 2025_05_19;
    target:src_ip;
)

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.