28 lines
867 B
Text
28 lines
867 B
Text
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/*
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Yara Rule Set
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Author: Florian Roth
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Date: 2015-05-07
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Identifier: Kraken_Malware
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*/
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rule Kraken_Bot_Sample {
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meta:
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description = "Kraken Bot Sample - file inf.bin"
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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://blog.gdatasoftware.com/blog/article/dissecting-the-kraken.html"
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date = "2015-05-07"
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hash = "798e9f43fc199269a3ec68980eb4d91eb195436d"
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score = 90
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id = "508bb581-9dad-5201-af3d-7da17d905dc9"
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strings:
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$s2 = "%s=?getname" fullword ascii
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$s4 = "&COMPUTER=^" fullword ascii
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$s5 = "xJWFwcGRhdGElAA=" fullword ascii /* base64 encoded string '%appdata%' */
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$s8 = "JVdJTkRJUi" fullword ascii /* base64 encoded string '%WINDIR' */
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$s20 = "btcplug" fullword ascii
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condition:
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uint16(0) == 0x5a4d and all of them
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}
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