mirror of
https://github.com/valitydev/signature-base.git
synced 2024-11-06 18:15:20 +00:00
39 lines
1.3 KiB
Plaintext
39 lines
1.3 KiB
Plaintext
/*
|
|
Yara Rule Set
|
|
Author: Florian Roth
|
|
Date: 2018-01-27
|
|
Identifier: RGDoor
|
|
Reference: https://researchcenter.paloaltonetworks.com/2018/01/unit42-oilrig-uses-rgdoor-iis-backdoor-targets-middle-east/
|
|
*/
|
|
|
|
import "pe"
|
|
|
|
/* Rule Set ----------------------------------------------------------------- */
|
|
|
|
rule OilRig_RGDoor_Gen1 {
|
|
meta:
|
|
description = "Detects RGDoor backdoor used by OilRig group"
|
|
license = "https://creativecommons.org/licenses/by-nc/4.0/"
|
|
author = "Florian Roth"
|
|
reference = "https://researchcenter.paloaltonetworks.com/2018/01/unit42-oilrig-uses-rgdoor-iis-backdoor-targets-middle-east/"
|
|
date = "2018-01-27"
|
|
score = 80
|
|
hash1 = "a9c92b29ee05c1522715c7a2f9c543740b60e36373cb47b5620b1f3d8ad96bfa"
|
|
strings:
|
|
$c1 = { 00 63 6D 64 24 00 00 00 00 72 00 00 00 00 00 00 00 75 70 6C 6F
|
|
61 64 24 }
|
|
$c2 = { 63 61 6E 27 74 20 6F 70 65 6E 20 66 69 6C 65 3A 20 00 00 00 00
|
|
00 00 00 64 6F 77 6E 6C 6F 61 64 24 }
|
|
|
|
$s1 = "MyNativeModule.dll" fullword ascii
|
|
$s2 = "RGSESSIONID=" fullword ascii
|
|
$s3 = "download$" fullword ascii
|
|
$s4 = ".?AVCHelloWorld@@" fullword ascii
|
|
condition:
|
|
uint16(0) == 0x5a4d and filesize < 600KB and (
|
|
pe.imphash() == "47cb127aad6c7c9954058e61a2a6429a" or
|
|
1 of ($c*) or
|
|
2 of them
|
|
)
|
|
}
|