Add detection rule for suspicious ICS attachments#4797
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This rule flags messages with ICS calendar file attachments that contain a suspicious non-standard application identifier in the PRODID field.
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Jul 3, 2026
…h suspicious application identifier
github-actions Bot
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this pull request
Jul 3, 2026
…lendar file with suspicious application identifier
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Description
This rule flags messages with ICS calendar file attachments that contain a suspicious non-standard application identifier in the PRODID field.
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