signature-base/yara/apt_webshell_chinachopper.yar
2019-07-25 19:33:41 -04:00

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rule ChinaChopper_Generic {
meta:
description = "China Chopper Webshells - PHP and ASPX"
license = "https://creativecommons.org/licenses/by-nc/4.0/"
author = "Florian Roth"
reference = "https://www.fireeye.com/content/dam/legacy/resources/pdfs/fireeye-china-chopper-report.pdf"
date = "2015/03/10"
strings:
$aspx = /%@\sPage\sLanguage=.Jscript.%><%eval\(Request\.Item\[.{,100}unsafe/
$php = /<?php.\@eval\(\$_POST./
condition:
1 of them
}