ET MALWARE Storm-0978 RomCom RAT CnC Checkin

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"/api/v1.5/subscriptiontoken=eyJ"; fast_pattern; startswith;
content:".eyJ"; distance:0;
target:src_ip;
Raw source ET MALWARE Storm-0978 RomCom RAT CnC Checkin · 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 MALWARE Storm-0978 RomCom RAT CnC Checkin";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/api/v1.5/subscriptiontoken=eyJ"; fast_pattern; startswith;
    content:".eyJ"; distance:0;
    reference:url,blogs.blackberry.com/en/2023/07/romcom-targets-ukraine-nato-membership-talks-at-nato-summit;
    classtype:trojan-activity;
    sid:2046812; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_07_12, deployment Perimeter, malware_family ROMCOM_RAT, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_07_12;
    target:src_ip;
)

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