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SID: 2027913 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 3Aug 26, 2019, 12:00 PM

ET MALWARE Win32/Nemty Ransomware Style Geo IP Check M1

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Win32/Nemty Ransomware Style Geo IP Check M1"; flow:established,to_server; http.method; content:"GET"; http.user_agent; content:"Chrome"; fast_pattern; bsize:6; http.host; content:"api.db-ip.com"; endswith; http.header_names; content:!"Accept"; content:!"Referer"; reference:url,www.bleepingcomputer.com/news/security/new-nemty-ransomware-may-spread-via-compromised-rdp-conn; reference:md5,0e0b7b238a06a2a37a4de06a5ab5e615; classtype:trojan-activity; sid:2027913; rev:3; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2019_08_26, deployment Perimeter, malware_family Nemty, confidence High, signature_severity Major, tag Ransomware, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_09_17, reviewed_at 2024_02_20, mitre_tactic_id TA0040, mitre_tactic_name Impact, mitre_technique_id T1486, mitre_technique_name Data_Encrypted_for_Impact;)

Aug 26, 2019, 12:00 PM

Sep 17, 2020, 12:00 PM

Sep 21, 2024, 3:00 AM

Sep 23, 2025, 9:34 PM

rules/emerging-malware.rules