DefenderYara/Worm/Win32/Kelvir/Worm_Win32_Kelvir_gen_C.yar

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1.2 KiB
Plaintext

rule Worm_Win32_Kelvir_gen_C{
meta:
description = "Worm:Win32/Kelvir.gen!C,SIGNATURE_TYPE_PEHSTR_EXT,ffffffcb 00 ffffffcb 00 08 00 00 64 00 "
strings :
$a_02_0 = {5c 4d 65 73 73 65 6e 67 65 72 5c 6d 73 6d 73 67 73 2e 65 78 65 5c 33 90 02 06 4d 65 73 73 65 6e 67 65 72 41 50 49 90 00 } //64 00
$a_00_1 = {4d 53 56 42 56 4d 36 30 2e 44 4c 4c 00 } //03 00
$a_00_2 = {43 00 41 00 4c 00 4c 00 20 00 49 00 54 00 20 00 4d 00 53 00 4e 00 2e 00 52 00 57 00 4e 00 54 00 20 00 4b 00 20 00 54 00 48 00 58 00 } //03 00 CALL IT MSN.RWNT K THX
$a_00_3 = {70 00 69 00 63 00 74 00 75 00 72 00 65 00 73 00 2e 00 70 00 68 00 70 00 3f 00 65 00 6d 00 61 00 69 00 6c 00 3d 00 00 00 } //03 00
$a_00_4 = {43 00 6f 00 6d 00 70 00 61 00 6e 00 79 00 4e 00 61 00 6d 00 65 00 00 00 00 00 54 00 68 00 65 00 20 00 52 00 50 00 4d 00 69 00 53 00 4f 00 20 00 47 00 72 00 6f 00 75 00 70 00 } //01 00
$a_00_5 = {47 65 74 20 63 6f 6e 74 61 63 74 20 6c 69 73 74 20 61 6e 64 20 73 6f 72 74 } //01 00 Get contact list and sort
$a_00_6 = {55 52 4c 44 6f 77 6e 6c 6f 61 64 54 6f 46 69 6c 65 41 } //01 00 URLDownloadToFileA
$a_00_7 = {44 6f 77 6e 6c 6f 61 64 46 69 6c 65 41 6e 64 52 75 6e 00 } //00 00
condition:
any of ($a_*)
}