APT_Thrip_Sample_Jun18_8

rule APT_Thrip_Sample_Jun18_8 {
   meta:
      description = "Detects sample found in Thrip report by Symantec "
      license = "Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE"
      author = "Florian Roth (Nextron Systems)"
      reference = "https://www.symantec.com/blogs/threat-intelligence/thrip-hits-satellite-telecoms-defense-targets "
      date = "2018-06-21"
      hash1 = "0f2d09b1ad0694f9e71eeebec5b2d137665375bf1e76cb4ae4d7f20487394ed3"
      id = "5eb98c9e-5103-5146-9364-d5f24416406f"
   strings:
      $x1 = "$.oS.Run('cmd.exe /c '+a+'" fullword ascii
      $x2 = "new $._x('WScript.Shell');" ascii
      $x3 = ".ExpandEnvironmentStrings('%Temp%')+unescape('" ascii
   condition:
      filesize < 10KB and 1 of ($x*)
}