mitre_attack_T1546_001_windows_change_default_file_association

rule mitre_attack_T1546_001_windows_change_default_file_association
{
  meta:
    author = "Google Cloud Security"
    description = "Manipulation of the default program used for a given extension"
    reference = "https://attack.mitre.org/techniques/T1546/001/"
    yara_version = "YL2.0"
    rule_version = "1.0"

  events:
    $e1.metadata.event_type = "PROCESS_LAUNCH"
    re.regex($e1.principal.process.command_line, `cmd\.exe /c assoc`) nocase

  condition:
    $e1
}