DefenderYara/Backdoor/BAT/AsyncRAT/Backdoor_BAT_AsyncRAT_MTB.yar

23 lines
2.2 KiB
Plaintext

rule Backdoor_BAT_AsyncRAT_MTB{
meta:
description = "Backdoor:BAT/AsyncRAT!MTB,SIGNATURE_TYPE_PEHSTR_EXT,0a 00 0a 00 0d 00 00 01 00 "
strings :
$a_01_0 = {43 00 72 00 65 00 61 00 74 00 65 00 50 00 72 00 6f 00 63 00 65 00 73 00 73 00 5c 00 5c 00 2d 00 2f 00 2f 00 } //01 00 CreateProcess\\-//
$a_01_1 = {4c 00 6f 00 61 00 64 00 4c 00 69 00 62 00 72 00 61 00 72 00 79 00 5c 00 5c 00 2d 00 2f 00 2f 00 } //01 00 LoadLibrary\\-//
$a_01_2 = {67 00 65 00 74 00 5f 00 5c 00 5c 00 2d 00 2f 00 2f 00 53 00 43 00 49 00 49 00 } //01 00 get_\\-//SCII
$a_01_3 = {47 00 65 00 74 00 5c 00 5c 00 2d 00 2f 00 2f 00 70 00 70 00 4e 00 61 00 6d 00 65 00 } //01 00 Get\\-//ppName
$a_01_4 = {46 00 72 00 6f 00 6d 00 2f 00 2f 00 2d 00 5c 00 5c 00 61 00 73 00 65 00 36 00 34 00 53 00 74 00 72 00 69 00 6e 00 67 00 } //01 00 From//-\\ase64String
$a_01_5 = {54 00 6f 00 2f 00 2f 00 2d 00 5c 00 5c 00 61 00 73 00 65 00 36 00 34 00 53 00 74 00 72 00 69 00 6e 00 67 00 } //01 00 To//-\\ase64String
$a_01_6 = {2f 00 2f 00 2d 00 5c 00 5c 00 72 00 65 00 61 00 6b 00 66 00 61 00 73 00 74 00 70 00 72 00 6f 00 63 00 75 00 72 00 69 00 6e 00 } //01 00 //-\\reakfastprocurin
$a_01_7 = {2f 00 2f 00 2d 00 5c 00 5c 00 69 00 74 00 43 00 6f 00 6e 00 76 00 65 00 72 00 74 00 65 00 72 00 } //01 00 //-\\itConverter
$a_01_8 = {24 00 56 00 2f 00 2f 00 2d 00 5c 00 5c 00 24 00 4c 00 6f 00 63 00 61 00 6c 00 5f 00 63 00 75 00 72 00 72 00 65 00 6e 00 74 00 50 00 72 00 6f 00 63 00 65 00 73 00 73 00 } //01 00 $V//-\\$Local_currentProcess
$a_01_9 = {67 00 65 00 74 00 5f 00 2f 00 2f 00 2d 00 5c 00 5c 00 61 00 73 00 65 00 5c 00 5c 00 2d 00 2f 00 2f 00 64 00 64 00 72 00 65 00 73 00 73 00 } //01 00 get_//-\\ase\\-//ddress
$a_01_10 = {67 00 65 00 74 00 5f 00 45 00 6e 00 74 00 72 00 79 00 50 00 6f 00 69 00 6e 00 74 00 5c 00 5c 00 2d 00 2f 00 2f 00 64 00 64 00 72 00 65 00 73 00 73 00 } //01 00 get_EntryPoint\\-//ddress
$a_01_11 = {56 00 69 00 72 00 74 00 75 00 61 00 6c 00 5c 00 5c 00 2d 00 2f 00 2f 00 6c 00 6c 00 6f 00 63 00 45 00 78 00 } //01 00 Virtual\\-//llocEx
$a_01_12 = {4d 00 69 00 63 00 72 00 6f 00 73 00 6f 00 66 00 74 00 20 00 53 00 51 00 4c 00 20 00 53 00 65 00 72 00 76 00 65 00 72 00 2e 00 65 00 78 00 65 00 } //00 00 Microsoft SQL Server.exe
condition:
any of ($a_*)
}