ET MALWARE [ANY.RUN] Possible Meduza Stealer Exfiltration (TCP)

Query · suricata

flow:established,to_server;
stream_size:server, =, 1;
content:"ewogICAg"; depth:8; fast_pattern;
Raw source ET MALWARE [ANY.RUN] Possible Meduza Stealer Exfiltration (TCP) · 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 15666 (
    msg:"ET MALWARE [ANY.RUN] Possible Meduza Stealer Exfiltration (TCP)";
    flow:established,to_server;
    stream_size:server, =, 1;
    content:"ewogICAg"; depth:8; fast_pattern;
    reference:md5,d1c95dfd50744b0133abd72801b8a0f3;
    reference:url,community.emergingthreats.net/t/medusa-stealer;
    classtype:trojan-activity;
    sid:2050807; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2024_02_13, deployment Perimeter, malware_family Meduza, confidence Low, signature_severity Critical, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_02_13;
)

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