DefenderYara/Worm/Win32/Naibi/Worm_Win32_Naibi_A.yar

14 lines
949 B
Plaintext

rule Worm_Win32_Naibi_A{
meta:
description = "Worm:Win32/Naibi.A,SIGNATURE_TYPE_PEHSTR_EXT,03 00 03 00 03 00 00 01 00 "
strings :
$a_01_0 = {5c 00 57 00 49 00 4e 00 44 00 4f 00 57 00 53 00 5c 00 73 00 79 00 73 00 74 00 65 00 6d 00 33 00 32 00 5c 00 77 00 73 00 63 00 72 00 69 00 70 00 74 00 2e 00 65 00 78 00 65 00 20 00 20 00 2f 00 65 00 3a 00 56 00 42 00 53 00 63 00 72 00 69 00 70 00 74 00 2e 00 45 00 6e 00 63 00 6f 00 64 00 65 00 20 00 20 00 69 00 70 00 68 00 6f 00 6e 00 2e 00 6d 00 70 00 33 00 } //01 00 \WINDOWS\system32\wscript.exe /e:VBScript.Encode iphon.mp3
$a_01_1 = {63 00 6d 00 64 00 2e 00 65 00 78 00 65 00 20 00 2f 00 63 00 20 00 65 00 78 00 70 00 6c 00 6f 00 72 00 65 00 72 00 2e 00 65 00 78 00 65 00 20 00 25 00 63 00 64 00 25 00 } //01 00 cmd.exe /c explorer.exe %cd%
$a_01_2 = {4e 6f 75 76 65 61 75 64 6f 73 73 69 65 72 } //00 00 Nouveaudossier
$a_00_3 = {5d 04 } //00 00 ѝ
condition:
any of ($a_*)
}