23 lines
841 B
Text
23 lines
841 B
Text
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import "pe"
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rule VULN_PrinterDriver_PrivEsc_CVE_2021_3438_Jul21 {
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meta:
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description = "Detects affected drivers with PE timestamps older than the date of the initial report"
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author = "Florian Roth (Nextron Systems)"
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reference = "https://labs.sentinelone.com/cve-2021-3438-16-years-in-hiding-millions-of-printers-worldwide-vulnerable/"
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date = "2021-07-20"
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score = 70
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hash1 = "7cc9ba2df7b9ea6bb17ee342898edd7f54703b93b6ded6a819e83a7ee9f938b4"
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id = "34cd648a-3e3f-5832-8abe-18507931eb3d"
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strings:
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$s1 = "This String is from Device Driver@@@@@ !!!" ascii
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$s2 = "\\DosDevices\\ssportc" wide fullword
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condition:
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uint16(0) == 0x5a4d
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and filesize < 400KB
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and all of ($s*)
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/* date of the initial report by SentinelOne */
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and 1613606400 >= pe.timestamp
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}
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