APT_Winnti_MAL_Dec19_4

rule APT_Winnti_MAL_Dec19_4 {
   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 = "1f7ac215-d049-5b97-9797-9589a70cbf2b"
   strings:
      $b1 = { 4C 8D 41 24 33 D2 B9 03 00 1F 00 FF 9? F8 00 00 00 48 85 C0 74 }
      $b2 = { 4C 8B 4? 08 BA 01 00 00 00 49 8B C? FF D0 85 C0 [2-6] C7 4? 1C 01 00 00 00 B8 01 00 00 00 }
      $b3 = { 8B 4B E4 8B 53 EC 41 B8 00 40 00 00 4? 0B C? FF 9? B8 00 00 00 EB }
   condition:
      (2 of ($b*))
}