/*
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 with_images {
meta:
author = "Antonio Sanchez <asanchez@hispasec.com>"
reference = "http://laboratorio.blogs.hispasec.com/"
description = "Rule to detect the presence of an or several images"
strings:
$a = ".jpg" nocase
$b = ".png" nocase
$c = ".bmp" nocase
condition:
any of them
}
rule without_images {
meta:
author = "Antonio Sanchez <asanchez@hispasec.com>"
reference = "http://laboratorio.blogs.hispasec.com/"
description = "Rule to detect the no presence of any image"
strings:
$a = ".jpg" nocase
$b = ".png" nocase
$c = ".bmp" nocase
condition:
not $a and not $b and not $c
}