ET MALWARE Suspected ExtraPulsar Backdoor

Query · suricata

flow:established,to_server;
content:"ExPu"; depth:11; offset:4;
content:"|90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90|"; distance:0;
Raw source ET MALWARE Suspected ExtraPulsar Backdoor · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert tcp any any -> $HOME_NET [139,445] (
    msg:"ET MALWARE Suspected ExtraPulsar Backdoor";
    flow:established,to_server;
    content:"ExPu"; depth:11; offset:4;
    content:"|90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90|"; distance:0;
    reference:url,github.com/zerosum0x0/smbdoor;
    classtype:trojan-activity;
    sid:2027370; rev:3;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2019_05_21, deployment Internal, malware_family ExtraPulsar, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_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.