MAL_AveMaria_RAT_Jul19

rule MAL_AveMaria_RAT_Jul19 {
   meta:
      description = "Detects AveMaria RAT"
      author = "Florian Roth (Nextron Systems)"
      reference = "https://twitter.com/abuse_ch/status/1145697917161934856"
      date = "2019-07-01"
      hash1 = "5a927db1566468f23803746ba0ccc9235c79ca8672b1444822631ddbf2651a59"
      id = "960048cf-7a56-50cf-8498-549f900770d8"
   strings:
      $a1 = "operator co_await" fullword ascii
      $s1 = "uohlyatqn" fullword ascii
      $s2 = "index = [%d][%d][%d][%d]" fullword ascii
   condition:
      uint16(0) == 0x5a4d and filesize < 3000KB and all of them
}