DefenderYara/Worm/Win32/Autorun/Worm_Win32_Autorun_MZ.yar

17 lines
924 B
Plaintext

rule Worm_Win32_Autorun_MZ{
meta:
description = "Worm:Win32/Autorun.MZ,SIGNATURE_TYPE_PEHSTR_EXT,07 00 07 00 07 00 00 01 00 "
strings :
$a_01_0 = {5b 00 41 00 75 00 74 00 6f 00 52 00 75 00 6e 00 5d 00 } //01 00 [AutoRun]
$a_01_1 = {5c 00 64 00 24 00 5c 00 61 00 75 00 74 00 6f 00 72 00 75 00 6e 00 2e 00 69 00 6e 00 66 00 } //01 00 \d$\autorun.inf
$a_01_2 = {7b 00 65 00 73 00 63 00 7d 00 } //01 00 {esc}
$a_01_3 = {7b 00 70 00 61 00 75 00 73 00 65 00 7d 00 } //01 00 {pause}
$a_01_4 = {46 00 52 00 4f 00 4d 00 20 00 57 00 69 00 6e 00 33 00 32 00 5f 00 4f 00 70 00 65 00 72 00 61 00 74 00 69 00 6e 00 67 00 53 00 79 00 73 00 74 00 65 00 6d 00 } //01 00 FROM Win32_OperatingSystem
$a_01_5 = {26 00 63 00 6f 00 6e 00 74 00 65 00 6e 00 74 00 3d 00 } //01 00 &content=
$a_01_6 = {2f 00 6e 00 65 00 77 00 2e 00 61 00 73 00 70 00 3f 00 69 00 64 00 } //00 00 /new.asp?id
condition:
any of ($a_*)
}