40 lines
1.5 KiB
Text
40 lines
1.5 KiB
Text
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import "pe"
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rule Mal_Infostealer_Win32_BlackGuard
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{
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meta:
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description = "Detects W32 BlackGuard Infostealer"
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author = "BlackBerry Threat Research team "
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reference = "https://blogs.blackberry.com/en/2022/04/threat-thursday-blackguard-infostealer"
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date = "2022-14-04"
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sha256 = "6AB3B21FA7CB638ED68509BE1ED6302284E8A9CD1A10F9B6837C057154AA6162"
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license = "This Yara rule is provided under the Apache License 2.0 (https://www.apache.org/licenses/LICENSE-2.0) and open to any user or organization, as long as you use it under this license and ensure originator credit in any derivative to The BlackBerry Research & Intelligence Team"
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strings:
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$a1 = { 06 91 06 61 20 AA 00 00 00 61 D2 9C 06 17 58 0A }
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$a2 = "System.Data.SQLite"
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$a3 = "FromBase64String"
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$a4 = "BlockInput"
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$a5 = "UploadFile"
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$a6 = "Passwords"
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$a7 = "Discord"
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$a8 = "GetVolumeInformationA"
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$a9 = "NordVPN"
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$a10 = "OpenVPN"
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$a11 = "ProtonVPN"
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$a12 = "OperaCookies"
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$a13 = "EdgeCookies"
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$a14 = "ChromeCookies"
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$b1 = "upche" wide
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condition:
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uint16(0) == 0x5a4d and
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pe.imphash() == "f34d5f2d4577ed6d9ceec516c1f5a744" and
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pe.number_of_sections == 3 and
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pe.section_index(".text") == 0 and
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pe.section_index(".rsrc") == 1 and
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pe.section_index(".reloc") == 2 and
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((all of ($a*)) or ((12 of ($a*) and all of ($b*))))
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}
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