/*
Yara Rule Set
Author: Brian Laskowski
Date: 2018-06-15
Identifier: case134
Reference: https://github.com/Hestat/lw-yara
*/
/* Rule Set ----------------------------------------------------------------- */
rule drupal_injection_case134 {
meta:
description = "case134 - file infection.php"
author = "Brian Laskowski"
reference = "https://github.com/Hestat/lw-yara"
date = "2018-06-15"
hash1 = "85d567b960a8985678ca7fb34616a799db2183e50efa51e463b5ceaa92341e96"
strings:
//$s1 = "cyODAwKS4iIEdNVDsnOzwvc2NyaXB0PiI7IH0gO307Cn0KfQ==')); @ini_restore('error_log'); @ini_restore('display_errors');" fullword ascii
$s2 = "error_reporting(0); @ini_set('error_log',NULL); @ini_set('log_errors',0); @ini_set('display_errors','Off'); @eval( base64_decode" ascii
$s3 = "error_reporting(0); @ini_set('error_log',NULL); @ini_set('log_errors',0); @ini_set('display_errors','Off'); @eval( base64_decode" ascii
condition:
( uint16(0) == 0x7265 and
filesize < 7KB and
( all of them )
) or ( all of them )
}
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