ET MALWARE Win32/Phorpiex UDP Peer-to-Peer CnC

Query · suricata

dsize:36;
content:"|20 00 00 00|"; fast_pattern; startswith;
pcre:"/^[\x20-\x7e\r\n]{0,13}[^\x20-\x7e\r\n]/R";
threshold:type limit, track by_src, count 5, seconds 30;
Raw source ET MALWARE Win32/Phorpiex UDP Peer-to-Peer CnC · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert udp $HOME_NET any -> $EXTERNAL_NET 40500 (
    msg:"ET MALWARE Win32/Phorpiex UDP Peer-to-Peer CnC";
    dsize:36;
    content:"|20 00 00 00|"; fast_pattern; startswith;
    pcre:"/^[\x20-\x7e\r\n]{0,13}[^\x20-\x7e\r\n]/R";
    threshold:type limit, track by_src, count 5, seconds 30;
    reference:md5,461f422870426748cc3e24111532472b;
    classtype:trojan-activity;
    sid:2044077; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_and_Server, created_at 2023_02_02, deployment Perimeter, malware_family Win32_Phorpiex, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_02_02;
)

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.