Windows_VulnDriver_Rising_65eeba01

rule Windows_VulnDriver_Rising_65eeba01 {
    meta:
        author = "Elastic Security"
        id = "65eeba01-081f-42ad-81c7-ff82a59ab62a"
        fingerprint = "725f4d1d3b4b9118f93dc86421fcad8384c1b7f63e6e194e12cdbe513819cc90"
        creation_date = "2026-07-26"
        last_modified = "2026-08-11"
        description = "Name: rsndisp.sys, Version: <= 1.0.0.5"
        threat_name = "Windows.VulnDriver.Rising"
        reference_sample = "c903bdd40f2e15f1f9ee0b2df5aceafebb45c795b61548001af8ee8d6bddf610"
        severity = 50
        arch_context = "x86"
        scan_context = "file"
        license = "Elastic License v2"
        os = "windows"
    strings:
        $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 72 00 73 00 6E 00 64 00 69 00 73 00 70 00 2E 00 73 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-\x00][\x00-\x00][\x00-\xff][\x00-\xff][\x00-\xff][\x00-\xff]|[\x00-\x00][\x00-\x00][\x01-\x01][\x00-\x00][\x00-\x04][\x00-\x00][\x00-\x00][\x00-\x00]|[\x00-\x00][\x00-\x00][\x01-\x01][\x00-\x00][\x05-\x05][\x00-\x00][\x00-\x00][\x00-\x00])/
        $str1 = "rsndisp_win10-x64.pdb"
        $str2 = "rsndisp_deregister"
        $str3 = "rsndisp_register"
        $str4 = "Rising AntiVirus" wide
        $str5 = "rsndisp.sys" wide
    condition:
        int16(uint32(0x3C) + 0x5c) == 0x0001 and int16(uint32(0x3C) + 0x18) == 0x020b and $original_file_name and $version and $str1 and $str2 and $str3 and $str4 and $str5
}