IMPLANT_2_v10

rule IMPLANT_2_v10 {
   meta:
      description = "CORESHELL/SOURFACE 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 = "cb88ae0c-19e2-590c-9c13-78ac1dcc8c9f"
   strings:
      $STR1 = { 83 ?? 06 [7-17] fa [0-10] 45 [2-4] 48 [2-4] e8 [2] FF FF [6-8]
         48 8d [3] 48 89 [3] 45 [2] 4? [1-2] 01}
   condition:
      (uint16(0) == 0x5A4D) and all of them
}