rule Conti_Ransomware {
    meta:
        description = "Detects Conti ransomware"
        author = "Security Research"
    strings:
        $s1 = "CONTI" ascii
        $s2 = "readme.txt" ascii
        $s3 = "All of your files are currently encrypted" ascii
        $mutex = "hsdfsd-mutex" ascii
    condition:
        uint16(0) == 0x5A4D and 2 of them
}