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Create link_appspot_cred_theft.yml - #5780

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missingn0pe.fn.ESC-31339.create_link_appspot_cred_theft
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missingn0pe.fn.ESC-31339.create_link_appspot_cred_theft

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Description

Rule flags on any message that is a r.appspot.com link, combined with cred theft intent. Negating high trust sender root domain senders for FP mitigation, which allows it to cover a wide scope of attack types while remaining profile & historic context neutral.

Associated samples

Associated hunts

Rule flags any message that is a r.appspot.com link that has cred theft intent within the body and negates high trust domain senders.
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missingn0pe requested a review from a team November 2, 2026 18:52
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missingn0pe requested a review from a team as a code owner November 2, 2026 18:52
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Hunts running slow. See ESC for prior hunts if needed.

@github-actions github-actions Bot added the in-test-rules PR is in our testing suite to collect telemetry label Nov 2, 2026
github-actions Bot added a commit that referenced this pull request Nov 2, 2026
github-actions Bot added a commit that referenced this pull request Nov 2, 2026
@missingn0pe missingn0pe added the review-needed Indicates that a PR is waiting for review label Nov 2, 2026
@IndiaAce
IndiaAce requested review from IndiaAce and removed request for a team November 3, 2026 13:39
@IndiaAce IndiaAce self-assigned this Nov 3, 2026

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