yara/rules/Windows_Trojan_Deimos.yar

rule Windows_Trojan_Deimos_f53aee03 {
    meta:
        author = "Elastic Security"
        id = "f53aee03-74c3-4b40-8ae4-4f1bf35f88c8"
        fingerprint = "12a6d7f9e4f9a937bf1416443dd0d5ee556ac1f67d2b56ad35f9eac2ee6aac74"
        creation_date = "2021-09-18"
        last_modified = "2022-01-13"
        threat_name = "Windows.Trojan.Deimos"
        reference = "https://www.elastic.co/security-labs/going-coast-to-coast-climbing-the-pyramid-with-the-deimos-implant"
        reference_sample = "2c1941847f660a99bbc6de16b00e563f70d900f9dbc40c6734871993961d3d3e"
        severity = 100
        arch_context = "x86"
        scan_context = "file, memory"
        license = "Elastic License v2"
        os = "windows"
    strings:
        $a1 = "\\APPDATA\\ROAMING" wide fullword
        $a2 = "{\"action\":\"ping\",\"" wide fullword
        $a3 = "Deimos" ascii fullword
    condition:
        all of ($a*)
}

rule Windows_Trojan_Deimos_c70677b4 {
    meta:
        author = "Elastic Security"
        id = "c70677b4-f5ba-440b-ba31-31e80caee2fe"
        fingerprint = "ffe0dec3585da9cbb9f8a0fac1bb6fd43d5d6e20a6175aaa889ae13ef2ed101f"
        creation_date = "2021-09-18"
        last_modified = "2022-01-13"
        threat_name = "Windows.Trojan.Deimos"
        reference = "https://www.elastic.co/security-labs/going-coast-to-coast-climbing-the-pyramid-with-the-deimos-implant"
        reference_sample = "2c1941847f660a99bbc6de16b00e563f70d900f9dbc40c6734871993961d3d3e"
        severity = 100
        arch_context = "x86"
        scan_context = "file, memory"
        license = "Elastic License v2"
        os = "windows"
    strings:
        $a1 = { 00 57 00 58 00 59 00 5A 00 5F 00 00 17 75 00 73 00 65 00 72 00 }
        $a2 = { 0C 08 16 1F 68 9D 08 17 1F 77 9D 08 18 1F 69 9D 08 19 1F 64 9D }
    condition:
        1 of ($a*)
}