ET MALWARE Transparent Tribe APT Related Backdoor Sending System Information

Query · suricata

flow:established,to_server;
content:"|0c 00 00 00 00|in"; startswith; fast_pattern;
content:"fo="; distance:2; within:3;
content:"|7c|"; within:20;
content:"|7c 7c|"; within:20;
Raw source ET MALWARE Transparent Tribe APT Related Backdoor Sending System Information · Suricata
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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 1024: (
    msg:"ET MALWARE Transparent Tribe APT Related Backdoor Sending System Information";
    flow:established,to_server;
    content:"|0c 00 00 00 00|in"; startswith; fast_pattern;
    content:"fo="; distance:2; within:3;
    content:"|7c|"; within:20;
    content:"|7c 7c|"; within:20;
    reference:url,twitter.com/RedDrip7/status/1533659387277221888;
    reference:md5,70635541c80cd5a237ff789abcce4e27;
    reference:md5,30bc987b05c707e89f1a0b06e022459e;
    reference:md5,ac4944bec64b6d40f3bb16d6ed3f06e8;
    classtype:trojan-activity;
    sid:2036869; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2022_06_06, deployment Perimeter, malware_family TransparentTribe, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_06_06;
)

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