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/*
This Yara ruleset is under the GNU-GPLv2 license (http://www.gnu.org/licenses/gpl-2.0.html) and open to any user or organization, as long as you use it under this license.
*/
import "pe"
rule PlugXStrings : PlugX Family
{
meta:
description = "PlugX Identifying Strings"
author = "Seth Hardy"
last_modified = "2014-06-12"
strings:
$BootLDR = "boot.ldr" wide ascii
$Dwork = "d:\\work" nocase
$Plug25 = "plug2.5"
$Plug30 = "Plug3.0"
$Shell6 = "Shell6"
condition:
$BootLDR or ($Dwork and ($Plug25 or $Plug30 or $Shell6))
}
rule plugX : rat
{
meta:
author = "Jean-Philippe Teissier / @Jipe_"
description = "PlugX RAT"
date = "2014-05-13"
filetype = "memory"
version = "1.0"
ref1 = "https://github.com/mattulm/IR-things/blob/master/volplugs/plugx.py"
strings:
$v1a = { 47 55 4C 50 00 00 00 00 }
$v1b = "/update?id=%8.8x"
$v1algoa = { BB 33 33 33 33 2B }
$v1algob = { BB 44 44 44 44 2B }
$v2a = "Proxy-Auth:"
$v2b = { 68 A0 02 00 00 }
$v2k = { C1 8F 3A 71 }
condition:
$v1a at 0 or $v1b or (($v2a or $v2b) and (($v1algoa and $v1algob) or $v2k))
}