[ SEA-GHOST MINI SHELL]

/*
   Yara Rule Set
   Author: Brian Laskowski
   Date: 2018-08-26
   Identifier: shell1
   Reference: https://github.com/Hestat/lw-yara/
*/

/* Rule Set ----------------------------------------------------------------- */

rule infected_08_26_18_shell1_index {
   meta:
      description = "shell1 - file index.php"
      author = "Brian Laskowski"
      reference = "https://github.com/Hestat/lw-yara/"
      date = "2018-08-26"
      hash1 = "4b00a6c47568876d81d3ffc1b9ae3721ffc4e91086f86d266526853d17e56c88"
   strings:
      $s1 = "header(\"location: 1.php?cmd=login_submit&id=$praga$praga&session=$praga$praga\");" fullword ascii
   condition:
      ( uint16(0) == 0x3f3c and
         filesize < 1KB and
         ( all of them )
      ) or ( all of them )
}

rule infected_08_26_18_shell1_ws00 {
   meta:
      description = "shell1 - file ws00.php"
      author = "Brian Laskowski"
      reference = "https://github.com/Hestat/lw-yara/"
      date = "2018-08-26"
      hash1 = "68bcfb4a9fe324ebbeed2e1c87e5670f5a776ea030d983a9d38fa8948d56a43d"
   strings:
      $s1 = "eval($_(" fullword ascii
      $s2 = "$_=\"\\x62\\x61\\x73\\x65\\x36\\x34\\x5f\\x64\\x65\\x63\\x6f\\x64\\x65\";" fullword ascii
      $s3 = "/*.*/"
      $s4 = "<?php"
   condition:
      ( uint16(0) == 0x3f3c and
         filesize < 1KB and
         ( all of them )
      ) or ( all of them )
}