ET CURRENT_EVENTS [Fireeye] Backdoor.HTTP.GORAT.[SID1]

Query · suricata

flow:established,to_server;
http.start;
content:"|0d 0a|Cookie: SID1="; fast_pattern;
http.method;
content:"GET";
http.header_names;
content:!"Referer";
content:!"Accept";
Raw source ET CURRENT_EVENTS [Fireeye] Backdoor.HTTP.GORAT.[SID1] · 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 CURRENT_EVENTS [Fireeye] Backdoor.HTTP.GORAT.[SID1]";
    flow:established,to_server;
    http.start;
    content:"|0d 0a|Cookie: SID1="; fast_pattern;
    http.method;
    content:"GET";
    http.header_names;
    content:!"Referer";
    content:!"Accept";
    reference:url,github.com/fireeye/red_team_tool_countermeasures;
    classtype:trojan-activity;
    sid:2031278; rev:3;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_12_08, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_12_09;
)

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