rule URL_File_Local_EXE { meta: description = "Detects an .url file that points to a local executable" license = "Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE" author = "Florian Roth (Nextron Systems)" reference = "https://twitter.com/malwareforme/status/915300883012870144" date = "2017-10-04" score = 60 id = "8b157e98-7b69-5649-b1d8-40bd6b685bf6" strings: $s1 = "[InternetShortcut]" ascii wide fullword $s2 = /URL=file:\/\/\/C:\\[^\n]{1,50}\.exe/ condition: filesize < 400 and all of them }