COVID-19 themed fraud with sender and reply-to mismatch or compensation award

type.inbound

// mismatched sender (From) and Reply-to + freemail
and any(headers.reply_to,
        length(headers.reply_to) > 0
        and all(headers.reply_to,
                .email.domain.root_domain != sender.email.domain.root_domain
                and .email.domain.root_domain in $free_email_providers
        )
)

// use of honorific
and regex.icontains(body.current_thread.text,
                    '(?:Mr|Mrs|Ms|Miss|Dr|Prof|Sir|Lady|Rev)\.?[ \t]+',
                    'Dear Sir'
)

// mention of covid or an international organization
and regex.icontains(body.current_thread.text,
                    'international (court of justice|monetary fund)',
                    'united nations',
                    'western union',
                    'world bank',
                    'world health organization',
                    'interpol',
                    'treasury',
                    '\bFEMA\b',
                    '\bIMF\b'
)

// and mention of covid in subject or body
and (
  regex.icontains(subject.subject, 'covid(.{0,5}19)?\b')
  or regex.icontains(body.current_thread.text, 'covid(.{0,5}19)?\b')
)

// Check for compensation or award related language
and (
  2 of (
    any(ml.nlu_classifier(body.current_thread.text).entities,
        .name == "urgency"
    ),
    any(ml.nlu_classifier(body.current_thread.text).entities,
        .name == "request"
    ),
    any(ml.nlu_classifier(body.current_thread.text).entities,
        .name == "financial"
    )
  )
  or regex.icontains(subject.subject,
                     'compensation.{0,20}(award|fund)',
                     'covid.{0,20}(compensation|award)',
                     'selected.{0,30}(compensation|award)',
                     'claim your award',
                     'reference no'
  )
  or regex.icontains(body.current_thread.text,
                     'compensation.{0,20}(award|fund)',
                     'covid.{0,20}(compensation|award)',
                     'selected.{0,30}(compensation|award)',
                     'claim your award',
                     'reference no\W\s*[^\s]*cov(?:id)?(?:.{0,5}19)?\b'
  )
)

// negate highly trusted sender domains unless they fail DMARC authentication
and (
  (
    sender.email.domain.root_domain in $high_trust_sender_root_domains
    and not headers.auth_summary.dmarc.pass
  )
  or sender.email.domain.root_domain not in $high_trust_sender_root_domains
)