/*
Yara Rule Set
Author: Brian Laskowski
Date: 2018-08-05
Identifier: case23
Reference: https://github.com/Hestat/lw-yara
*/
/* Rule Set ----------------------------------------------------------------- */
rule infected_case23_db {
meta:
description = "case23 - file db.php"
author = "Brian Laskowski"
reference = "https://github.com/Hestat/lw-yara"
date = "2018-08-05"
hash1 = "95ecc987c604678d86a67944a2d90b341761f0068e98b76752b6310dfaaa4c49"
strings:
$s1 = "<?php ${\"\\x47\\x4cOB\\x41\\x4cS\"}[\"\\x68\\x76\\x72\\x74x\\x69\"]=\"\\x61\\x75th\";${\"\\x47\\x4c\\x4f\\x42AL\\x53\"}[\"l\\x7" ascii
$s2 = "]==\"\\x65\"){$mwvvynwbxyi=\"\\x64\\x61\\x74\\x61\";eval(${$mwvvynwbxyi}[\"\\x64\"]);}exit();}" fullword ascii
$s3 = "61\\x74\\x61\";function sh_decrypt($data,$key){global$auth;$vuuogtpxiqk=\"\\x61u\\x74\\x68\";return sh_decrypt_phase(sh_decrypt_" ascii
condition:
( uint16(0) == 0x3f3c and
filesize < 10KB and
( all of them )
) or ( all of them )
}
Copyright 2K16 - 2K18 Indonesian Hacker Rulez