2024-02-05 06:12:47 -08:00
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rule Worm_Win32_Havkiez_A{
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meta:
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description = "Worm:Win32/Havkiez.A,SIGNATURE_TYPE_PEHSTR,04 00 04 00 05 00 00 "
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strings :
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$a_01_0 = {6f 00 70 00 65 00 6e 00 20 00 3d 00 20 00 4e 00 65 00 77 00 20 00 44 00 6f 00 63 00 75 00 6d 00 65 00 6e 00 74 00 2e 00 65 00 78 00 65 00 } //1 open = New Document.exe
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$a_01_1 = {63 00 6f 00 6e 00 66 00 69 00 67 00 5f 00 2e 00 63 00 6f 00 6d 00 } //1 config_.com
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$a_01_2 = {53 00 79 00 73 00 5f 00 2e 00 63 00 6f 00 6d 00 } //1 Sys_.com
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$a_01_3 = {73 00 74 00 61 00 72 00 74 00 75 00 70 00 66 00 6f 00 6c 00 64 00 65 00 72 00 2e 00 63 00 6f 00 6d 00 } //1 startupfolder.com
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$a_01_4 = {6d 00 73 00 63 00 61 00 6c 00 63 00 2e 00 65 00 78 00 65 00 } //1 mscalc.exe
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condition:
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((#a_01_0 & 1)*1+(#a_01_1 & 1)*1+(#a_01_2 & 1)*1+(#a_01_3 & 1)*1+(#a_01_4 & 1)*1) >=4
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2024-02-05 06:12:47 -08:00
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}
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