Windows_VulnDriver_ProcExp_b6006008

rule Windows_VulnDriver_ProcExp_b6006008 {
    meta:
        author = "Elastic Security"
        id = "b6006008-b8ec-4243-b99e-1c212f76ffb5"
        fingerprint = "84a54ddd949f67797c2a3ac7b2a9b46b35fb2f09d2bdd92d1114c55680e93bff"
        creation_date = "2026-05-22"
        last_modified = "2026-07-29"
        description = "Subject: Sysinternals, Version: <= 15.0.0.0"
        threat_name = "Windows.VulnDriver.ProcExp"
        reference_sample = "3c7e5b25a33a7805c999d318a9523fcae46695a89f55bbdb8bb9087360323dfc"
        severity = 50
        arch_context = "x86"
        scan_context = "file"
        license = "Elastic License v2"
        os = "windows"
    strings:
        $subject_name = { 06 03 55 04 03 [2] 53 79 73 69 6E 74 65 72 6E 61 6C 73 }
        $original_file_name = { 4F 00 72 00 69 00 67 00 69 00 6E 00 61 00 6C 00 46 00 69 00 6C 00 65 00 6E 00 61 00 6D 00 65 00 00 00 70 00 72 00 6F 00 63 00 65 00 78 00 70 00 2E 00 53 00 79 00 73 00 00 00 }
        $version = /V\x00S\x00_\x00V\x00E\x00R\x00S\x00I\x00O\x00N\x00_\x00I\x00N\x00F\x00O\x00\x00\x00{0,4}\xbd\x04\xef\xfe[\x00-\xff]{4}([\x00-\xff][\x00-\xff][\x00-\x0e][\x00-\x00][\x00-\xff][\x00-\xff][\x00-\xff][\x00-\xff]|[\x00-\x00][\x00-\x00][\x0f-\x0f][\x00-\x00][\x00-\x00][\x00-\x00][\x00-\x00][\x00-\x00])/
        $str1 = "ProcExpDriver.pdb"
        $str2 = "Process Explorer" wide
    condition:
        int16(uint32(0x3C) + 0x5c) == 0x0001 and int16(uint32(0x3C) + 0x18) == 0x020b and $subject_name and $original_file_name and $version and $str1 and $str2
}