45 lines
1.6 KiB
Text
45 lines
1.6 KiB
Text
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/*
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Yara Rule Set
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Author: Florian Roth
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Date: 2017-05-31
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Identifier: TA 459 - April 2017
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Reference: https://goo.gl/RLf9qU
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*/
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/* Rule Set ----------------------------------------------------------------- */
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rule TA459_Malware_May17_1 {
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meta:
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description = "Detects TA459 related malware"
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license = "Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE"
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author = "Florian Roth (Nextron Systems)"
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reference = "https://goo.gl/RLf9qU"
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date = "2017-05-31"
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hash1 = "5fd61793d498a395861fa263e4438183a3c4e6f1e4f098ac6e97c9d0911327bf"
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id = "eb5d2464-ab95-5f5d-8b20-fa023da53130"
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strings:
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$s3 = "xtsewy" fullword ascii
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$s6 = "CW&mhAklnfVULL" ascii
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condition:
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( uint16(0) == 0x6152 and filesize < 800KB and all of them )
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}
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rule TA459_Malware_May17_2 {
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meta:
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description = "Detects TA459 related malware"
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license = "Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE"
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author = "Florian Roth (Nextron Systems)"
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reference = "https://goo.gl/RLf9qU"
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date = "2017-05-31"
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hash1 = "4601133e94c4bc74916a9d96a5bc27cc3125cdc0be7225b2c7d4047f8506b3aa"
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id = "62954422-4657-5ded-9883-bb78eac697fb"
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strings:
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$a1 = "Mcutil.dll" fullword ascii
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$a2 = "mcut.exe" fullword ascii
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$s1 = "Software\\WinRAR SFX" fullword ascii
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$s2 = "AYou may need to run this self-extracting archive as administrator" fullword wide
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condition:
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( uint16(0) == 0x5a4d and filesize < 900KB and all of ($a*) and 1 of ($s*) )
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}
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