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write YARA rules · scan any file · string · hex · regex patterns
[
YARA rules
]
rule MZ_Executable { strings: $mz = { 4D 5A } condition: $mz at 0 } rule ELF_Binary { strings: $elf = { 7F 45 4C 46 } condition: $elf at 0 } rule PDF_Document { strings: $pdf = "%PDF-" condition: $pdf at 0 } rule PowerShell_InMemory { strings: $ps1 = "powershell" nocase $ps2 = "-encodedcommand" nocase $ps3 = "FromBase64String" nocase condition: any of them } rule Suspicious_Base64_Blob { strings: $b64 = /[A-Za-z0-9+\/]{80,}={0,2}/ condition: $b64 }
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