ET MALWARE Arechclient2 Backdoor/SecTopRAT Related Activity

Query · suricata

flow:established,to_server;
dsize:26;
content:"|00 00 00 00 15 00 7b 22 54 79 70 65 22 3a 22 41 66 6b 53 79 73 74 65 6d 22 7d|"; fast_pattern;
target:src_ip;
Raw source ET MALWARE Arechclient2 Backdoor/SecTopRAT Related Activity · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert tcp-pkt $HOME_NET any -> $EXTERNAL_NET 1024: (
    msg:"ET MALWARE Arechclient2 Backdoor/SecTopRAT Related Activity";
    flow:established,to_server;
    dsize:26;
    content:"|00 00 00 00 15 00 7b 22 54 79 70 65 22 3a 22 41 66 6b 53 79 73 74 65 6d 22 7d|"; fast_pattern;
    reference:md5,befd0a5f55e4b7ee61490100f71db919;
    reference:md5,c14742d3e34478e71f9a701392d97967;
    reference:md5,befd0a5f55e4b7ee61490100f71db919;
    reference:md5,e366af3563aaa5cb7d8f61b028bb6905;
    classtype:trojan-activity;
    sid:2051910; rev:1;
    metadata:attack_target Client_Endpoint, tls_state plaintext, created_at 2024_04_03, deployment Perimeter, performance_impact Low, confidence High, signature_severity Critical, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_04_03;
    target:src_ip;
)

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