16 lines
380 B
Text
16 lines
380 B
Text
import "pe"
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rule research_pe_signed_outside_timestamp {
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meta:
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author = "David Cannings"
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description = "PE linker timestamp is outside the Authenticode validity period"
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strings:
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$mz = "MZ"
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condition:
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$mz at 0 and pe.number_of_signatures > 0 and not for all i in (0..pe.number_of_signatures - 1):
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(
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pe.signatures[i].valid_on(pe.timestamp)
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)
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}
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