ET MALWARE Winter Vivern APT Aperetif Payload Retrieval Attempt M2

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"signatures.php?id=1"; fast_pattern;
Raw source ET MALWARE Winter Vivern APT Aperetif Payload Retrieval Attempt M2 · 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 Winter Vivern APT Aperetif Payload Retrieval Attempt M2";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"signatures.php?id=1"; fast_pattern;
    reference:url,www.sentinelone.com/labs/winter-vivern-uncovering-a-wave-of-global-espionage/;
    classtype:trojan-activity;
    sid:2044664; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_03_16, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_03_16;
)

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