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SID: 2033162 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 1Jun 22, 2021, 12:00 PM

ET MALWARE Linux DarkRadiation Ransomware Activity Attack Check

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Linux DarkRadiation Ransomware Activity Attack Check"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/check_attack/0.txt"; bsize:19; fast_pattern; http.user_agent; content:"Wget/"; startswith; http.host; pcre:"/^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$/"; reference:url,www.trendmicro.com/en_us/research/21/f/bash-ransomware-darkradiation-targets-red-hat--and-debian-based-linux-distributions.html; classtype:trojan-activity; sid:2033162; rev:1; metadata:affected_product Linux, attack_target Client_Endpoint, created_at 2021_06_22, deployment Perimeter, confidence High, signature_severity Major, tag Ransomware, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_06_22, mitre_tactic_id TA0040, mitre_tactic_name Impact, mitre_technique_id T1486, mitre_technique_name Data_Encrypted_for_Impact;)

Jun 22, 2021, 12:00 PM

Jun 22, 2021, 12:00 PM

Sep 21, 2024, 3:00 AM

Sep 10, 2025, 9:34 PM

rules/emerging-malware.rules