IMPLANT_2_v20

Description

CORESHELL/SOURFACE Implant by APT28

Query · yara

strings:
      $func = { 0F B6 5C 0A FE 8D 34 02 8B 45 D4 03 C2 0F AF D8 8D 7A 01 8D 42
         FF 33 D2 F7 75 F4 C1 EB 07 8B C7 32 1C 0A 33 D2 B9 06 00 00 00 F7 F1
         8A 4D F8 8B 45 0C 80 E9 02 02 4D 0B 32 0C 02 8B 45 F8 33 D2 F7 75 F4
         8B 45 0C 22 0C 02 8B D7 02 D9 30 1E 8B 4D 0C 8D 42 FE 3B 45 E8 8B 45
         D8 89 55 F8 72 A0 }
   condition:
      (uint16(0) == 0x5A4D or uint16(0) == 0xCFD0 or uint16(0) == 0xC3D4 or
      uint32(0) == 0x46445025 or uint32(1) == 0x6674725C) and all of them
Raw source IMPLANT_2_v20 · YARA
Esc
Published by Neo23x0/signature-base ↗, licensed under Detection Rule License 1.1 ↗. Reproduced here unmodified. 
rule IMPLANT_2_v20 {
   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 = "323ee676-802d-55e6-a97a-48eb3a4e4a5f"
   strings:
      $func = { 0F B6 5C 0A FE 8D 34 02 8B 45 D4 03 C2 0F AF D8 8D 7A 01 8D 42
         FF 33 D2 F7 75 F4 C1 EB 07 8B C7 32 1C 0A 33 D2 B9 06 00 00 00 F7 F1
         8A 4D F8 8B 45 0C 80 E9 02 02 4D 0B 32 0C 02 8B 45 F8 33 D2 F7 75 F4
         8B 45 0C 22 0C 02 8B D7 02 D9 30 1E 8B 4D 0C 8D 42 FE 3B 45 E8 8B 45
         D8 89 55 F8 72 A0 }
   condition:
      (uint16(0) == 0x5A4D or uint16(0) == 0xCFD0 or uint16(0) == 0xC3D4 or
      uint32(0) == 0x46445025 or uint32(1) == 0x6674725C) and all of them
}

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