Rule History

alert dns $HOME_NET any -> any any (msg:"ET MALWARE Hidden-Tear Ransomware Variant (.bloccato) DNS Request to CnC Domain"; dns_query; content:"ur232dkkwpdkwp.xyz"; depth:18; nocase; endswith; fast_pattern; reference:url,www.bleepingcomputer.com/forums/t/614456/bloccato-ransomware-bloccato-help-support-leggi-questo-filetxt/; reference:md5,e586f208a724ba84369b72bc43d92057; classtype:command-and-control; sid:2022831; rev:4; metadata:attack_target Client_Endpoint, created_at 2016_05_19, deployment Perimeter, confidence High, signature_severity Major, tag Ransomware, updated_at 2019_09_28, mitre_tactic_id TA0040, mitre_tactic_name Impact, mitre_technique_id T1486, mitre_technique_name Data_Encrypted_for_Impact;)