DefenderYara/Backdoor/WinNT/Sinowal/Backdoor_WinNT_Sinowal_A.yar

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539 B
Plaintext

rule Backdoor_WinNT_Sinowal_A{
meta:
description = "Backdoor:WinNT/Sinowal.A,SIGNATURE_TYPE_PEHSTR_EXT,04 00 04 00 04 00 00 01 00 "
strings :
$a_01_0 = {4f 62 4f 70 65 6e 4f 62 6a 65 63 74 42 79 4e 61 6d 65 } //01 00 ObOpenObjectByName
$a_03_1 = {2e a1 34 f0 df ff 0b c0 74 90 01 01 8b 40 70 90 00 } //01 00
$a_03_2 = {ff 45 fc 83 7d fc 25 72 90 01 01 be 01 00 00 c0 90 00 } //01 00
$a_03_3 = {8b 40 10 03 c7 eb 02 33 c0 3b c6 74 90 01 01 ff 75 08 ff 75 90 01 01 57 ff d0 90 00 } //00 00
condition:
any of ($a_*)
}