DefenderYara/Backdoor/Win32/Trubsil/Backdoor_Win32_Trubsil_B.yar

19 lines
2.6 KiB
Plaintext

rule Backdoor_Win32_Trubsil_B{
meta:
description = "Backdoor:Win32/Trubsil.B,SIGNATURE_TYPE_PEHSTR_EXT,ffffff87 00 ffffff82 00 08 00 00 64 00 "
strings :
$a_01_0 = {75 00 73 00 65 00 72 00 6e 00 61 00 6d 00 65 00 3d 00 25 00 73 00 26 00 70 00 61 00 73 00 73 00 77 00 64 00 3d 00 25 00 73 00 26 00 6c 00 61 00 6e 00 67 00 3d 00 26 00 6f 00 70 00 74 00 69 00 6f 00 6e 00 3d 00 63 00 6f 00 6d 00 5f 00 6c 00 6f 00 67 00 69 00 6e 00 26 00 74 00 61 00 73 00 6b 00 3d 00 6c 00 6f 00 67 00 69 00 6e 00 26 00 25 00 73 00 3d 00 25 00 73 00 } //14 00 username=%s&passwd=%s&lang=&option=com_login&task=login&%s=%s
$a_01_1 = {68 00 74 00 74 00 70 00 3a 00 2f 00 2f 00 6b 00 75 00 2e 00 6f 00 6c 00 6f 00 6c 00 6f 00 2e 00 69 00 6e 00 2f 00 62 00 72 00 75 00 74 00 65 00 72 00 65 00 73 00 2e 00 70 00 68 00 70 00 } //0a 00 http://ku.ololo.in/bruteres.php
$a_01_2 = {6c 00 6f 00 67 00 3d 00 25 00 73 00 26 00 70 00 77 00 64 00 3d 00 25 00 73 00 26 00 72 00 65 00 64 00 69 00 72 00 65 00 63 00 74 00 5f 00 74 00 6f 00 3d 00 25 00 73 00 26 00 74 00 65 00 73 00 74 00 63 00 6f 00 6f 00 6b 00 69 00 65 00 3d 00 } //0a 00 log=%s&pwd=%s&redirect_to=%s&testcookie=
$a_01_3 = {73 00 75 00 62 00 61 00 63 00 74 00 69 00 6f 00 6e 00 3d 00 64 00 6f 00 6c 00 6f 00 67 00 69 00 6e 00 26 00 75 00 73 00 65 00 72 00 6e 00 61 00 6d 00 65 00 3d 00 25 00 73 00 26 00 70 00 61 00 73 00 73 00 77 00 6f 00 72 00 64 00 3d 00 25 00 73 00 } //0a 00 subaction=dologin&username=%s&password=%s
$a_01_4 = {6e 00 61 00 6d 00 65 00 3d 00 25 00 73 00 26 00 70 00 61 00 73 00 73 00 3d 00 25 00 73 00 26 00 66 00 6f 00 72 00 6d 00 5f 00 69 00 64 00 3d 00 75 00 73 00 65 00 72 00 5f 00 6c 00 6f 00 67 00 69 00 6e 00 5f 00 62 00 6c 00 6f 00 63 00 6b 00 } //0a 00 name=%s&pass=%s&form_id=user_login_block
$a_01_5 = {6c 00 6f 00 67 00 69 00 6e 00 5f 00 73 00 74 00 61 00 74 00 75 00 73 00 3d 00 6c 00 6f 00 67 00 69 00 6e 00 26 00 75 00 73 00 65 00 72 00 69 00 64 00 65 00 6e 00 74 00 3d 00 25 00 73 00 26 00 72 00 65 00 64 00 69 00 72 00 65 00 63 00 74 00 5f 00 75 00 72 00 6c 00 3d 00 62 00 61 00 63 00 6b 00 65 00 6e 00 64 00 2e 00 70 00 68 00 70 00 } //05 00 login_status=login&userident=%s&redirect_url=backend.php
$a_01_6 = {64 00 65 00 73 00 74 00 69 00 6e 00 61 00 74 00 69 00 6f 00 6e 00 3d 00 61 00 64 00 6d 00 69 00 6e 00 2f 00 69 00 6e 00 64 00 65 00 78 00 2e 00 70 00 68 00 70 00 } //05 00 destination=admin/index.php
$a_01_7 = {53 69 6c 65 6e 74 5f 42 72 75 74 65 72 } //00 00 Silent_Bruter
$a_00_8 = {5d 04 00 00 6c 09 03 80 5c 21 00 00 6e 09 03 80 00 00 01 00 06 00 0b 00 84 } //21 5a
condition:
any of ($a_*)
}