/* 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. */ rule APT_OLE_JSRat { meta: author = "Rahul Mohandas" Date = "2015-06-16" Description = "Targeted attack using Excel/word documents" strings: $header = {D0 CF 11 E0 A1 B1 1A E1} $key1 = "AAAAAAAAAA" $key2 = "Base64Str" nocase $key3 = "DeleteFile" nocase $key4 = "Scripting.FileSystemObject" nocase condition: $header at 0 and (all of ($key*) ) }