rule Hex_ransomware_1 {
    meta:
        description = "Detects Hex ransomware"
        author = "RansomwareMonitor"
        date = "2026-03-06"
        hash = "9735d010b7e1f850a5ed715f04967c0821d422901b4460a18cf61109d285553a"

    strings:
        $r0 = /[A-Za-z0-9]{56}\.onion/
        $s1 = "DECRYPT" nocase
        $s2 = "YOUR FILES" nocase

    condition:
        uint16(0) == 0x5A4D and
        filesize < 5MB and
        2 of them
}