APT15_Malware_Mar18_RoyalCli

rule APT15_Malware_Mar18_RoyalCli {
   meta:
      description = "Detects malware from APT 15 report by NCC Group"
      license = "Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE"
      author = "Florian Roth (Nextron Systems)"
      reference = "https://goo.gl/HZ5XMN"
      date = "2018-03-10"
      hash1 = "6df9b712ff56009810c4000a0ad47e41b7a6183b69416251e060b5c80cd05785"
      id = "165bfa6c-1a8d-5628-8c35-da4e4a2ae04f"
   strings:
      $s1 = "\\Release\\RoyalCli.pdb" ascii
      $s2 = "%snewcmd.exe" fullword ascii
      $s3 = "Run cmd error %d" fullword ascii
      $s4 = "%s~clitemp%08x.ini" fullword ascii
      $s5 = "run file failed" fullword ascii
      $s6 = "Cmd timeout %d" fullword ascii
      $s7 = "2 %s  %d 0 %d" fullword ascii
   condition:
      uint16(0) == 0x5a4d and filesize < 200KB and 2 of them
}