APT_Winnti_MAL_Dec19_2

rule APT_Winnti_MAL_Dec19_2 {
   meta:
      description = "Detects Winnti malware"
      author = "Unknown"
      reference = "https://www.verfassungsschutz.de/download/broschuere-2019-12-bfv-cyber-brief-2019-01.pdf"
      date = "2019-12-06"
      score = 75
      id = "77f2cb7d-90a6-5654-9d2e-6b525cd910a2"
   strings:
      $a1 = "IPSecMiniPort" wide fullword
      $a2 = "ndis6fw" wide fullword
      $a3 = "TCPIP" wide fullword
      $a4 = "NDIS.SYS" ascii fullword
      $a5 = "ntoskrnl.exe" ascii fullword
      $a6 = "\\BaseNamedObjects\\{B2B87CCA-66BC-4C24-89B2-C23C9EAC2A66}" wide
      $a7 = "\\Device\\Null" wide
      $a8 = "\\Device" wide
      $a9 = "\\Driver" wide
      $b1 = { 66 81 7? ?? 70 17 }
      $b2 = { 81 7? ?? 07 E0 15 00 }
      $b3 = { 8B 46 18 3D 03 60 15 00 }
   condition:
      (6 of ($a*)) and (2 of ($b*))
}