ET MALWARE TA457 Backdoor CnC Response

Query · suricata

flow:established,to_client;
content:"200000|7c|YXV0bw|3d 3d|"; startswith; fast_pattern;
dsize:15;
Raw source ET MALWARE TA457 Backdoor CnC Response · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert tcp $EXTERNAL_NET 1024: -> $HOME_NET any (
    msg:"ET MALWARE TA457 Backdoor CnC Response";
    flow:established,to_client;
    content:"200000|7c|YXV0bw|3d 3d|"; startswith; fast_pattern;
    dsize:15;
    reference:url,twitter.com/RedDrip7/status/1537389704374431744;
    reference:md5,29b6b195cf0671901b75b7d2ac6814f6;
    classtype:command-and-control;
    sid:2037017; rev:2;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_06_16, deployment Perimeter, malware_family TA457, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_08_29;
)

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