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48 lines
1.9 KiB
Plaintext
48 lines
1.9 KiB
Plaintext
/*
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Yara Rule Set
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Author: Florian Roth
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Date: 2016-01-25
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Identifier: FakeM
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*/
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rule FakeM_Generic {
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meta:
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description = "Detects FakeM malware samples"
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license = "https://creativecommons.org/licenses/by-nc/4.0/"
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author = "Florian Roth"
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reference = "http://researchcenter.paloaltonetworks.com/2016/01/scarlet-mimic-years-long-espionage-targets-minority-activists/"
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date = "2016-01-25"
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score = 85
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hash1 = "631fc66e57acd52284aba2608e6f31ba19e2807367e33d8704f572f6af6bd9c3"
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hash2 = "3d9bd26f5bd5401efa17690357f40054a3d7b438ce8c91367dbf469f0d9bd520"
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hash3 = "53af257a42a8f182e97dcbb8d22227c27d654bea756d7f34a80cc7982b70aa60"
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hash4 = "4a4dfffae6fc8be77ac9b2c67da547f0d57ffae59e0687a356f5105fdddc88a3"
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hash5 = "7bfbf49aa71b8235a16792ef721b7e4195df11cb75371f651595b37690d108c8"
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hash6 = "12dedcdda853da9846014186e6b4a5d6a82ba0cf61d7fa4cbe444a010f682b5d"
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hash7 = "9adda3d95535c6cf83a1ba08fe83f718f5c722e06d0caff8eab4a564185971c5"
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hash8 = "3209ab95ca7ee7d8c0140f95bdb61a37d69810a7a23d90d63ecc69cc8c51db90"
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hash9 = "41948c73b776b673f954f497e09cc469d55f27e7b6e19acb41b77f7e64c50a33"
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hash10 = "53cecc0d0f6924eacd23c49d0d95a6381834360fbbe2356778feb8dd396d723e"
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hash11 = "523ad50b498bfb5ab688d9b1958c8058f905b634befc65e96f9f947e40893e5b"
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strings:
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$a1 = "\\system32\\kernel32.dll" fullword ascii
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$a2 = "\\boot.lnk" fullword ascii
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$a3 = "%USERPROFILE%" fullword ascii /* Goodware String - occured 16 times */
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$b1 = "Wizard.EXE" fullword wide
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$b2 = "CommandLineA" fullword ascii
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$c1 = "\\system32\\kernel32.dll" fullword ascii
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$c2 = "\\aapz.tmp" fullword ascii
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$e1 = "C:\\Documents and Settings\\A\\" fullword ascii
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$e2 = "\\svchost.exe" fullword ascii
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$e3 = "\\Perform\\Release\\Perform.pdb" fullword ascii
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$f1 = "Browser.EXE" fullword wide
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$f2 = "\\browser.exe" fullword ascii
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condition:
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uint16(0) == 0x5a4d and filesize < 100KB and
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( all of ($a*) or all of ($b*) or all of ($c*) or all of ($e*) or 1 of ($f*) )
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}
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