BitBurner

var target = getHostname();

var moneyThresh = getServerMaxMoney(target) * 0.75;
var secThresh = getServerMinSecurityLevel(target) + 5;

while(true) {
    if(getServerSecurityLevel(target) > secThresh){
        weaken(target);
    } else if(getServerMoneyAvailable(target) < moneyThresh) {
        grow(target);
    } else {
        hack(target);
    }
}