ET MALWARE [PTsecurity] Bladabindi/njRAT (HAMAD versions)

Query · suricata

flow:established,to_server;
dsize:<200;
content:"|00|"; depth:4;
content:"HAMAD"; fast_pattern; within:10;
pcre:"/^(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=|[A-Za-z0-9+/]{4})$/R";
Raw source ET MALWARE [PTsecurity] Bladabindi/njRAT (HAMAD versions) · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert tcp $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE [PTsecurity] Bladabindi/njRAT (HAMAD versions)";
    flow:established,to_server;
    dsize:<200;
    content:"|00|"; depth:4;
    content:"HAMAD"; fast_pattern; within:10;
    pcre:"/^(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=|[A-Za-z0-9+/]{4})$/R";
    reference:md5,cc18ad38eccdf096f0ac5840f380ef4f;
    classtype:trojan-activity;
    sid:2025074; rev:2;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2017_11_28, deployment Perimeter, malware_family Bladabindi, malware_family njrat, performance_impact Low, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_08_19;
)

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.