Windows_VulnDriver_RtCore_b38e27a7

rule Windows_VulnDriver_RtCore_b38e27a7 {
    meta:
        author = "Elastic Security"
        id = "b38e27a7-316f-41bf-bd96-9b5eadce107c"
        fingerprint = "1908cbe552bffb0e21a79894e8e04d44e41dc294deb5bdbcb18f8d7b4ea35cb3"
        creation_date = "2026-05-22"
        last_modified = "2026-07-29"
        description = "Subject: MICRO-STAR INTERNATIONAL CO., LTD."
        threat_name = "Windows.VulnDriver.RtCore"
        reference_sample = "077aa8ff5e01747723b6d24cc8af460a7a00f30cd3bc80e41cc245ceb8305356"
        severity = 50
        arch_context = "x86"
        scan_context = "file"
        license = "Elastic License v2"
        os = "windows"
    strings:
        $subject_name = { 06 03 55 04 03 [2] 4D 49 43 52 4F 2D 53 54 41 52 20 49 4E 54 45 52 4E 41 54 49 4F 4E 41 4C 20 43 4F 2E 2C 20 4C 54 44 2E }
        $str1 = "RTCore64.pdb"
    condition:
        int16(uint32(0x3C) + 0x5c) == 0x0001 and int16(uint32(0x3C) + 0x18) == 0x020b and $subject_name and $str1
}