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Description

From a runner. Wanted to test this out as a rule... looking for any mail from drive email addresses that contain an excessive amount of CCs that aren't all the same. With cred theft intent.

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  • Hunt 1
    More hunts can be found in the notion doc.

@IndiaAce IndiaAce requested a review from a team as a code owner December 17, 2025 18:17
'[email protected]',
'[email protected]',
)
// length of cc'd
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Suggested change
// length of cc'd
// length of cc'd recipients is > 30, not all the same, or unidsclosed recipients

length(recipients.cc) > 30
and not length(distinct(recipients.cc, .email.domain.root_domain)) == 1
)
or all(recipients.to, .display_name == "Undisclosed recipients")
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There's a better way to do this where you by checking for valid recipient domains... will look into adding that check.

@github-actions github-actions bot added the in-test-rules PR is in our testing suite to collect telemetry label Dec 17, 2025
github-actions bot added a commit that referenced this pull request Dec 17, 2025
…ive CC recipients and credential theft language
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