IMPLANT_6_v4

rule IMPLANT_6_v4 {
   meta:
      description = "Sednit / EVILTOSS Implant by APT28"
      author = "US CERT"
      reference = "https://www.us-cert.gov/ncas/current-activity/2017/02/10/Enhanced-Analysis-GRIZZLY-STEPPE"
      date = "2017-02-10"
      score = 85
      id = "27118ec8-3713-5670-88d2-3ac57c155c0d"
   strings:
      $ASM = {53 5? 5? [6-15] ff d? 8b ?? b? a0 86 01 00 [7-13] ff d? ?b
         [6-10] c0 [0-1] c3}
   condition:
   (uint16(0) == 0x5A4D or uint16(0) == 0xCFD0 or uint16(0) == 0xC3D4 or
   uint32(0) == 0x46445025 or uint32(1) == 0x6674725C) and all of them
}