Update: attachment_encrypted_pdf_cred_theft.yml - Small regex tweak#4920
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Update: attachment_encrypted_pdf_cred_theft.yml - Small regex tweak#4920missingn0pe wants to merge 1 commit into
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Updated the regex pattern in attachment_encrypted_pdf_cred_theft rule to detect both "PDF passcode" and "PDF password" variants. Changed from literal "passcode" to regex group pass(?:code|word) for broader coverage of credential theft lures. Fixes false negative where attacks use "password" instead of "passcode". Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
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…edential theft body
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…ted PDF with credential theft body
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Description
attachment_encrypted_pdf_cred_theftrulepasscodeto regex grouppass(?:code|word)Changes
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After:
Associated samples
- Sample 1
Associated hunts
- Hunt 1 (Shared samples) - L90D - PR logic
- Hunt 2 (Shared samples) - L90D - PR logic vs old logic
- Hunt 3 (Multi-hunt) - L30D - PR logic
- Hunt 4 (Multi-hunt) - L30D - PR logic vs old logic