javascript game 이라고 한다.
그럼 여기서 개발자 도구에서 무언가가 있음을 예측할 수 있다.
게임이 나오는데 게임을 실행해보면 아래와 같은 화면이 나오는데
31337을 넘으면 키값을 준다고 한다.
게임으로는 절대 못넘을거 같으니 일단 개발자도구를 실행해보자
<script>
eval(function(p,a,c,k,e,d){e=function(c){return c};if(!''.replace(/^/,String)){while(c--){d[c]=k[c]||c}k=[function(e){return d[e]}];e=function(){return'\\w+'};c=1};while(c--){if(k[c]){p=p.replace(new RegExp('\\b'+e(c)+'\\b','g'),k[c])}}return p}('76 58=["\\89\\66\\68\\68\\154\\68\\67\\92\\59\\71","\\70\\74\\59\\70\\89\\136\\66\\86\\59","\\81\\59\\63\\118\\70\\61\\71\\59","\\124\\66\\64\\70\\118\\70\\61\\71\\59","\\69\\74\\71\\66\\64\\89\\98\\78\\64\\64\\59\\68","\\97\\66\\84\\63\\74\\98\\78\\64\\64\\59\\68","\\61\\104\\148\\59\\70\\63","\\159\\61\\90\\70\\74\\59\\67\\63\\66\\64\\81\\155\\90\\66\\86\\90\\92\\61\\78\\90\\70\\67\\64","\\97\\67\\71\\64","\\61\\86\\86\\69\\59\\63\\136\\59\\86\\63","\\63\\78\\64\\64\\59\\68","\\81\\59\\63\\170\\68\\59\\85\\59\\64\\63\\124\\92\\142\\84","\\63\\61\\77","","\\77\\112","\\70\\69\\69","\\84\\66\\69\\77\\68\\67\\92","\\104\\68\\61\\70\\89","\\59\\67\\70\\74","\\66\\85\\81\\107\\68\\59\\86\\63\\111\\97\\67\\68\\68","\\66\\85\\81\\107\\71\\66\\81\\74\\63\\111\\97\\67\\68\\68","\\91\\74\\66\\81\\74\\111\\69\\70\\61\\71\\59\\69","\\71\\59\\85\\61\\103\\59","\\63\\67\\104\\68\\59","\\64\\61\\64\\59","\\84\\66\\103\\91\\69\\70\\61\\71\\59\\111\\63\\67\\104\\68\\59","\\70\\68\\66\\70\\89","\\63\\59\\112\\63","\\69\\77\\67\\64\\91\\69\\70\\61\\71\\59","\\68\\59\\86\\63","\\66\\85\\81\\91\\69\\74\\66\\77","\\69\\68\\61\\97","\\86\\67\\84\\59\\142\\64","\\104\\67\\70\\89\\81\\71\\61\\78\\64\\84\\149\\77\\61\\69\\66\\63\\66\\61\\64","\\168\\167\\164\\90","\\84\\66\\103\\91\\63\\78\\64\\64\\59\\68","\\71\\67\\64\\84\\61\\85","\\86\\68\\61\\61\\71","\\78\\77\\84\\67\\63\\59\\98\\78\\64\\64\\59\\68\\143\\150","\\86\\67\\84\\59\\151\\78\\63","\\154\\151\\118\\98","\\74\\66\\81\\74\\149\\69\\70\\61\\71\\59\\69\\107\\77\\74\\77","\\63\\61\\89\\59\\64\\146","\\169\\69\\70\\61\\71\\59\\146","\\67\\148\\67\\112","\\74\\63\\85\\68","\\77\\91\\97\\59\\68\\70\\61\\85\\59","\\78\\77\\84\\67\\63\\59\\98\\61\\89\\59\\64\\143\\150","\\63\\74\\112\\155\\90\\152\\74\\71\\66\\69\\63\\66\\67\\64\\90\\145\\61\\64\\63\\61\\92\\67","\\85\\61\\78\\69\\59\\61\\103\\59\\71","\\91\\70\\74\\71\\66\\69\\63\\66\\67\\64","\\85\\61\\78\\69\\59\\61\\78\\63","\\71\\59\\67\\84\\92","\\152\\74\\71\\66\\69\\63\\66\\67\\64\\90\\145\\61\\64\\63\\61\\92\\67","\\77\\67\\81\\59\\175","\\85\\61\\78\\69\\59\\85\\61\\103\\59","\\63\\61\\89\\59\\64\\107\\77\\74\\77","\\81\\59\\63"];62 119(){76 174=73;76 108=93;62 141(){108=173;79 93};62 130(){79 108};73[58[0]]=62(){141();79 93};73[58[1]]=62(){79 130()};76 116=0;62 131(){79 116};62 133(){72(108){116++};79 93};73[58[2]]=62(){79 131()};73[58[3]]=62(){133();79 93};76 123=161;62 138(){123-=20;79 93};62 144(){79 123};73[58[4]]=62(){138();79 93};73[58[5]]=62(){79 144()}};76 95=0;76 110=0;76 134=125;76 75=117;76 94=117;76 101=0;76 102=0;76 99=0;76 96=0;82=106 127(20);88=106 127(20);62 153(){87=106 119();72(58[6]==135 105){105[58[8]](58[7])};110=121[58[11]](58[10])[58[9]];134+=110;65=0;122(65=0;65<20;65++){82[65]=80;88[65]=137};$(58[19])[58[18]](62(83){65=83*25;$(73)[58[15]](58[12],58[13]+65+58[14]);$(73)[58[15]](58[16],58[17])});$(58[20])[58[18]](62(83){65=83*25;$(73)[58[15]](58[12],58[13]+65+58[14]);$(73)[58[15]](58[16],58[17])});$(58[25])[58[26]](62(){$(58[23])[58[22]](58[21]);$(58[25])[58[15]](58[16],58[24]);132();114()})};62 132(){87=106 119();72(58[6]==135 105){105[58[8]](58[7])};75=117;101=0;102=0;99=0;$(58[28])[58[27]](58[13]+0);$(58[30])[58[15]](58[29],75+58[14]);65=0;122(65=0;65<20;65++){82[65]=80;88[65]=137};$(58[30])[58[32]](58[31]);$(58[19])[58[18]](62(83){65=83*25;$(73)[58[15]](58[12],58[13]+65+58[14]);$(73)[58[15]](58[16],58[17])});$(58[20])[58[18]](62(83){65=83*25;$(73)[58[15]](58[12],58[13]+65+58[14]);$(73)[58[15]](58[16],58[17])})};62 114(){95=95+2;72(95>20){95=0};$(58[35])[58[15]](58[33],58[34]+95+58[14]);72(75+32<125){72(75+46<94){75+=4}109{72(75+16<94){75+=2}}};72(75>0){72(75-14>94){75-=4}109{72(75+16>94){75-=2}}};$(58[30])[58[15]](58[29],75+58[14]);102++;72(102>60){102=0;96=126[58[37]](126[58[36]]()*2)};72(82[0]<10){96=1}109{72(88[0]>166){96=0}};65=0;122(65=20;65>0;65--){82[65]=82[65-1];88[65]=88[65-1]};72(96==0){82[0]-=3};72(96==1){82[0]+=3};88[0]=82[0]+87[58[5]]();$(58[19])[58[18]](62(83){$(73)[58[15]](58[29],58[13]+82[83]+58[14])});$(58[20])[58[18]](62(83){$(73)[58[15]](58[29],58[13]+88[83]+58[14])});72(87[58[5]]()>=120){99++;72(99>100){99=0;87[58[4]]();82[0]+=10}};101++;72(101>20){101=0;87.165();$(58[28])[58[27]](58[13]+87[58[2]]())};72(75<=82[18]+20||75+32>=88[18]){87[58[0]]()};72(87[58[1]]()){158(58[38],10)}109{$(58[30])[58[39]](58[31]);$(58[19])[58[15]](58[16],58[24]);$(58[20])[58[15]](58[16],58[24]);$[58[44]]({171:58[40],156:58[41],162:58[42]+115+58[43]+87[58[2]](),157:62(113){147(113)}})}};62 160(){79};62 147(113){$(58[25])[58[45]](113);$(58[25])[58[15]](58[16],58[17])};$(121)[58[52]](62(){$(58[46])[58[15]](58[16],58[17]);140();163(58[47],172);$(58[46])[58[26]](62(){$(58[46])[58[15]](58[16],58[24]);153();114()});$(58[50])[58[49]](62(){$(73)[58[45]](58[48])});$(58[50])[58[51]](62(){$(73)[58[45]](139)})});76 139=58[53];$(121)[58[55]](62(129){94=129[58[54]]-110});76 115=58[13];62 140(){$[58[57]](58[56],62(128){115=128})};',10,176,'||||||||||||||||||||||||||||||||||||||||||||||||||||||||||_0x32bb|x65||x6F|function|x74|x6E|y|x69|x61|x6C|x73|x63|x72|if|this|x68|ship_x|var|x70|x75|return||x67|left_wall|_0x8618x16|x64|x6D|x66|BTunnelGame|right_wall|x6B|x20|x23|x79|true|pos_x|bg_val|t_state|x77|x54|c_w||c_s|c_r|x76|x62|console|new|x2E|_0x8618x3|else|rail_left|x5F|x78|_0x8618x19|updateTunnel|token|_0x8618x6|234|x53|secureGame||document|for|_0x8618x9|x42|500|Math|Array|_0x8618x20|_0x8618x1d|_0x8618x5|_0x8618x7|restartTunnel|_0x8618x8|rail_right|typeof|x4C|400|_0x8618xa|temp|updateToken|_0x8618x4|x49|x28|_0x8618xb|x4D|x3D|showHighScores|x6A|x2D|x29|x4F|x43|initTunnel|x50|x2C|url|success|setTimeout|x44|scoreUpdate|320|data|setInterval|x25|BincScore|470|x30|x35|x26|x45|type|10000|false|_0x8618x2|x58'.split('|'),0,{}))
</script>
javascript 난독화 코드인것 같다.
beautifier.io/ -> 난독화 코드를 정상적인 코드로 해독해서 보여준다고 한다.
그래서 들어가서 코드를 분석 해보았다.
function secureGame() {
var _0x8618x2 = this;
var _0x8618x3 = true;
function _0x8618x4() {
_0x8618x3 = false;
return true
};
function _0x8618x5() {
return _0x8618x3
};
this['killPlayer'] = function() {
_0x8618x4();
return true
};
this['checkLife'] = function() {
return _0x8618x5()
};
var _0x8618x6 = 0;
function _0x8618x7() {
return _0x8618x6
};
function _0x8618x8() {
if (_0x8618x3) {
_0x8618x6++
};
return true
};
this['getScore'] = function() {
return _0x8618x7()
};
this['BincScore'] = function() {
_0x8618x8();
return true
};
var _0x8618x9 = 320;
function _0x8618xa() {
_0x8618x9 -= 20;
return true
};
function _0x8618xb() {
return _0x8618x9
};
this['shrinkTunnel'] = function() {
_0x8618xa();
return true
};
this['widthTunnel'] = function() {
return _0x8618xb()
}
};
var bg_val = 0;
var rail_left = 0;
var rail_right = 500;
var ship_x = 234;
var pos_x = 234;
var c_s = 0;
var c_r = 0;
var c_w = 0;
var t_state = 0;
left_wall = new Array(20);
right_wall = new Array(20);
function initTunnel() {
BTunnelGame = new secureGame();
if ('object' == typeof console) {
console['warn']('Do cheating, if you can')
};
rail_left = document['getElementById']('tunnel')['offsetLeft'];
rail_right += rail_left;
y = 0;
for (y = 0; y < 20; y++) {
left_wall[y] = 80;
right_wall[y] = 400
};
$('img.left_wall')['each'](function(_0x8618x16) {
y = _0x8618x16 * 25;
$(this)['css']('top', '' + y + 'px');
$(this)['css']('display', 'block')
});
$('img.right_wall')['each'](function(_0x8618x16) {
y = _0x8618x16 * 25;
$(this)['css']('top', '' + y + 'px');
$(this)['css']('display', 'block')
});
$('div#score_table')['click'](function() {
$('table')['remove']('#high_scores');
$('div#score_table')['css']('display', 'none');
restartTunnel();
updateTunnel()
})
};
function restartTunnel() {
BTunnelGame = new secureGame();
if ('object' == typeof console) {
console['warn']('Do cheating, if you can')
};
ship_x = 234;
c_s = 0;
c_r = 0;
c_w = 0;
$('span#score')['text']('' + 0);
$('img#ship')['css']('left', ship_x + 'px');
y = 0;
for (y = 0; y < 20; y++) {
left_wall[y] = 80;
right_wall[y] = 400
};
$('img#ship')['fadeIn']('slow');
$('img.left_wall')['each'](function(_0x8618x16) {
y = _0x8618x16 * 25;
$(this)['css']('top', '' + y + 'px');
$(this)['css']('display', 'block')
});
$('img.right_wall')['each'](function(_0x8618x16) {
y = _0x8618x16 * 25;
$(this)['css']('top', '' + y + 'px');
$(this)['css']('display', 'block')
})
};
function updateTunnel() {
bg_val = bg_val + 2;
if (bg_val > 20) {
bg_val = 0
};
$('div#tunnel')['css']('background-position', '50% ' + bg_val + 'px');
if (ship_x + 32 < 500) {
if (ship_x + 46 < pos_x) {
ship_x += 4
} else {
if (ship_x + 16 < pos_x) {
ship_x += 2
}
}
};
if (ship_x > 0) {
if (ship_x - 14 > pos_x) {
ship_x -= 4
} else {
if (ship_x + 16 > pos_x) {
ship_x -= 2
}
}
};
$('img#ship')['css']('left', ship_x + 'px');
c_r++;
if (c_r > 60) {
c_r = 0;
t_state = Math['floor'](Math['random']() * 2)
};
if (left_wall[0] < 10) {
t_state = 1
} else {
if (right_wall[0] > 470) {
t_state = 0
}
};
y = 0;
for (y = 20; y > 0; y--) {
left_wall[y] = left_wall[y - 1];
right_wall[y] = right_wall[y - 1]
};
if (t_state == 0) {
left_wall[0] -= 3
};
if (t_state == 1) {
left_wall[0] += 3
};
right_wall[0] = left_wall[0] + BTunnelGame['widthTunnel']();
$('img.left_wall')['each'](function(_0x8618x16) {
$(this)['css']('left', '' + left_wall[_0x8618x16] + 'px')
});
$('img.right_wall')['each'](function(_0x8618x16) {
$(this)['css']('left', '' + right_wall[_0x8618x16] + 'px')
});
if (BTunnelGame['widthTunnel']() >= 120) {
c_w++;
if (c_w > 100) {
c_w = 0;
BTunnelGame['shrinkTunnel']();
left_wall[0] += 10
}
};
c_s++;
if (c_s > 20) {
c_s = 0;
BTunnelGame.BincScore();
$('span#score')['text']('' + BTunnelGame['getScore']())
};
if (ship_x <= left_wall[18] + 20 || ship_x + 32 >= right_wall[18]) {
BTunnelGame['killPlayer']()
};
if (BTunnelGame['checkLife']()) {
setTimeout('updateTunnel()', 10)
} else {
$('img#ship')['fadeOut']('slow');
$('img.left_wall')['css']('display', 'none');
$('img.right_wall')['css']('display', 'none');
$['ajax']({
type: 'POST',
url: 'high-scores.php',
data: 'token=' + token + '&score=' + BTunnelGame['getScore'](),
success: function(_0x8618x19) {
showHighScores(_0x8618x19)
}
})
}
};
function scoreUpdate() {
return
};
function showHighScores(_0x8618x19) {
$('div#score_table')['html'](_0x8618x19);
$('div#score_table')['css']('display', 'block')
};
$(document)['ready'](function() {
$('p#welcome')['css']('display', 'block');
updateToken();
setInterval('updateToken()', 10000);
$('p#welcome')['click'](function() {
$('p#welcome')['css']('display', 'none');
initTunnel();
updateTunnel()
});
$('#christian')['mouseover'](function() {
$(this)['html']('thx, Christian Montoya')
});
$('#christian')['mouseout'](function() {
$(this)['html'](temp)
})
});
var temp = 'Christian Montoya';
$(document)['mousemove'](function(_0x8618x1d) {
pos_x = _0x8618x1d['pageX'] - rail_left
});
var token = '';
function updateToken() {
$['get']('token.php', function(_0x8618x20) {
token = _0x8618x20
})
};
여기서 알아보야야 할게 이부분인데
this['checkLife'] = function() {
return _0x8618x5()
};
var _0x8618x6 = 0;
function _0x8618x7() {
return _0x8618x6
};
function _0x8618x8() {
if (_0x8618x3) {
_0x8618x6++
};
return true
};
this['getScore'] = function() {
return _0x8618x7()
};
this['BincScore'] = function() {
_0x8618x8();
return true
};
var _0x8618x9 = 320;
이것을 복사해서 콘솔창에다가 실행을 시켜보면 덮어쓰기를 해서 실행이 될것이다.
this['checkLife'] = function() {
return _0x8618x5()
};
var _0x8618x6 = 40000;
function _0x8618x7() {
return _0x8618x6
};
여기서 31337보다 높으면 key가 나오니까 40000으로 하고 콘솔에서 실행을 해봤다.
성공
