rule CactusRule 

{ 

    strings: 

        $cactusStr = “CaCtUs.ReAdMe.txt” 

        $cactusHex = { 43 61 43 74 55 73 2e 52 65 41 64 4d 65 2e 74 78 74 } 

    condition: 

        $cactusStr or $cactusHex 

}