JS_Suspicious_Obfuscation_Dropbox

rule JS_Suspicious_Obfuscation_Dropbox {
   meta:
      description = "Detects PowerShell AMSI Bypass"
      license = "Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE"
      author = "Florian Roth (Nextron Systems)"
      reference = "https://twitter.com/ItsReallyNick/status/887705105239343104"
      date = "2017-07-19"
      score = 70
      id = "9b6b288d-3a15-5267-bbb1-885febf4df78"
   strings:
      $x1 = "j\"+\"a\"+\"v\"+\"a\"+\"s\"+\"c\"+\"r\"+\"i\"+\"p\"+\"t\""
      $x2 = "script:https://www.dropbox.com" ascii
   condition:
      2 of them
}