ET MALWARE Observed GandCrab Ransomware Domain (zonealarm .bit in DNS Lookup)

Query · suricata

threshold:type both, track by_src, count 1, seconds 120;
dns.query;
content:"zonealarm.bit"; nocase; endswith;
Raw source ET MALWARE Observed GandCrab Ransomware Domain (zonealarm .bit in DNS Lookup) · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert dns $HOME_NET any -> any any (
    msg:"ET MALWARE Observed GandCrab Ransomware Domain (zonealarm .bit in DNS Lookup)";
    threshold:type both, track by_src, count 1, seconds 120;
    dns.query;
    content:"zonealarm.bit"; nocase; endswith;
    reference:md5,a85907638378377ff357242a7311244d;
    classtype:trojan-activity;
    sid:2025453; rev:4;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2018_04_02, deployment Perimeter, malware_family GandCrab, confidence High, signature_severity Major, tag Ransomware, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_09_16, mitre_tactic_id TA0040, mitre_tactic_name Impact, mitre_technique_id T1486, mitre_technique_name Data_Encrypted_for_Impact;
)

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