ET MALWARE Win32/Backdoor.Daxin CnC Activity

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:"/index.php?htpmgcid="; startswith; fast_pattern;
http.header_names;
content:"Content-Type|0d 0a|Host|0d 0a|Content-Length|0d 0a|";
content:!"Referer";
Raw source ET MALWARE Win32/Backdoor.Daxin CnC Activity · 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 Win32/Backdoor.Daxin CnC Activity";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:"/index.php?htpmgcid="; startswith; fast_pattern;
    http.header_names;
    content:"Content-Type|0d 0a|Host|0d 0a|Content-Length|0d 0a|";
    content:!"Referer";
    reference:md5,fb7c61ef427f9b2fdff3574ee6b1819b;
    reference:url,symantec-enterprise-blogs.security.com/blogs/threat-intelligence/daxin-backdoor-espionage;
    classtype:command-and-control;
    sid:2035365; rev:2;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_03_01, deployment Perimeter, malware_family Win32_Backdoor_Daxin, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_03_01, reviewed_at 2024_06_26;
)

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.