rule PP_CN_APT_ZeroT_9 {
meta:
description = "Detects malware from the Proofpoint CN APT ZeroT incident"
license = "Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE"
author = "Florian Roth (Nextron Systems)"
reference = "https://www.proofpoint.com/us/threat-insight/post/APT-targets-russia-belarus-zerot-plugx"
date = "2017-02-03"
hash1 = "a685cf4dca6a58213e67d041bba637dca9cb3ea6bb9ad3eae3ba85229118bce0"
id = "e1c32993-409c-5a62-8239-cff99fb83a7f"
strings:
$x1 = "nflogger.dll" fullword ascii
$s7 = "Zlh.exe" fullword ascii
condition:
( uint16(0) == 0x5a4d and filesize < 1000KB and all of them )
}