DefenderYara/Worm/Win32/Psyokym/Worm_Win32_Psyokym_B.yar

13 lines
511 B
Plaintext

rule Worm_Win32_Psyokym_B{
meta:
description = "Worm:Win32/Psyokym.B,SIGNATURE_TYPE_PEHSTR_EXT,03 00 03 00 03 00 00 "
strings :
$a_01_0 = {4d 79 20 59 50 53 20 20 2d 20 4b 65 79 4c 6f 67 67 65 72 00 } //1
$a_00_1 = {2f 00 65 00 78 00 74 00 72 00 61 00 63 00 74 00 2e 00 70 00 68 00 70 00 3f 00 78 00 3d 00 } //1 /extract.php?x=
$a_00_2 = {61 00 75 00 74 00 6f 00 72 00 75 00 6e 00 2e 00 69 00 6e 00 66 00 } //1 autorun.inf
condition:
((#a_01_0 & 1)*1+(#a_00_1 & 1)*1+(#a_00_2 & 1)*1) >=3
}