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Cara Menghapus Script Redirect Tersembunyi (Deobfuscate Javascript)

Discussion in 'Blogger/Blogspot' started by Ian OPX, May 3, 2016.

  1. Ian OPX

    Ian OPX Super Hero

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    Pada saat mencoba template gratisan, kadang kita terheran-heran saat blog kita tiba-tiba ter-redirect secara otomatis.:D

    Contoh Script Redirect otomatis:

    Code:
    <script type='text/javascript'>
    [COLOR="#FF0000"]$(document)["ready"](function() {$("#credit")["html"]("<a href="URLDOMAIN">BLOG TEMPLATE</a>");    setInterval(function() { if (!$("#credit:visible")["length"]) {window["location"]["href"] = "URLDOMAIN"}}, 3000)});[/COLOR]
    </script>
    
    Tapi setelah kita cari di template kok ga nemu2. Bisa dipastikan kode Javascript-nya sudah di-Obfuscated.

    Ini dia cara menemukannya:D


    1. Biasanya blog kita akan di-redirect secara otomatis jika menghapus kode link credit.

    Contoh:

    Code:
    <footer class='footerku' id='footerku'>
    <span class='credit-link'> Template By [COLOR="#FF0000"]<a href='URLDOMAIN' id='credit' title='BLOG TEMPLATE'>BLOG TEMPLATE</a>[/COLOR]</span>
    </footer>
    *Warna merah : Kalau dihapus, blog kita akan ter-redirect

    2. Cari kode Javascript yang di-obfuscated pada template

    Contoh kode yang di-obvuscated:

    Code:
    <script type='text/javascript'>
        //<![CDATA[
        var summary = 38;
        var ry = "<h4>Similar Posts</h4>";
        rn = "<h5>No related post available</h5>";
        [COLOR="#FF0000"]eval(function(w, i, s, e) {
            var lIll = 0;
            var ll1I = 0;
            var Il1l = 0;
            var ll1l = [];
            var l1lI = [];
            while (true) {
                if (lIll < 5) l1lI.push(w.charAt(lIll));
                else if (lIll < w.length) ll1l.push(w.charAt(lIll));
                lIll++;
                if (ll1I < 5) l1lI.push(i.charAt(ll1I));
                else if (ll1I < i.length) ll1l.push(i.charAt(ll1I));
                ll1I++;
                if (Il1l < 5) l1lI.push(s.charAt(Il1l));
                else if (Il1l < s.length) ll1l.push(s.charAt(Il1l));
                Il1l++;
                if (w.length + i.length + s.length + e.length == ll1l.length + l1lI.length + e.length) break;
            }
            var lI1l = ll1l.join('');
            var I1lI = l1lI.join('');
            ll1I = 0;
            var l1ll = [];
            for (lIll = 0; lIll < ll1l.length; lIll += 2) {
                var ll11 = -1;
                if (I1lI.charCodeAt(ll1I) % 2) ll11 = 1;
                l1ll.push(String.fromCharCode(parseInt(lI1l.substr(lIll, 2), 36) - ll11));
                ll1I++;
                if (ll1I >= l1lI.length) ll1I = 0;
            }
            return l1ll.join('');
        }('8f8991u2z2829333916243q01211m25312q1b3v2c1d3q011z2k3q01222k3v3u37262t203p112238231s27352z14212x252z1a3u29111z38251s27332z1632281w1z121611133v2b2q192z241u3u2v2z2n113w262c133x2b2q172z2611121m233e1i2e2936182x3u101z1o380y101z3b233x2z2938182x3s10111o2e162t3b233x29213x3b233v29233x111z2s2911222s271u3u291p2o1i27222o2c1z2314193v111122223316312q193v111k1v332z1d322p2c1z3w2o211o1e27311q1m23111s273r173126162c1c3e', 'f784611326f3a308d8b74df064e321d9'));[/COLOR] //]]>  
        $(document).ready(function() {
            $( & quot;.taze & quot;).click(function() {
                $( & quot;.jeep & quot;).slideToggle( & quot; normal & quot;);
            });
        });
        $(document).ready(function() {
            $( & quot;.tabe & quot;).click(function() {
                $( & quot;.deep & quot;).slideToggle( & quot; normal & quot;);
            });
        });
    </script>
    *Kode warna merah adalah kode yang telah di-obvuscate. (Kode sebenarnya lebih panjang, saya potong biar ga terlalu panjang

    3. Copy kode warna merah, dan kemudian paste pada Tool DeObfuscate Javascript.
    Contoh tool: _http://deobfuscatejavascript.com/

    4. Biasanya setelah di-Deobvuscate, script Redirect langsung bisa ditemukan. Tapi kadang masih ada yang berupa format Hex. Jadi kita harus menggunakan tool Hex Decoder: _http://ddecode.com/hexdecoder/

    Contoh kode:

    Code:
    $(document)["\x72\x65\x61\x64\x79"](function() {
        $("\x23\x63\x72\x65\x64\x69\x74")["\x68\x74\x6D\x6C"]("\x3C\x61\x20\x68\x72\x65\x66\x3D\x22\x68\x74\x74\x70\x3A\x2F\x2F\x77\x77\x77\x2E\x62\x6C\x6F\x67\x67\x65\x72\x74\x68\x65\x6D\x65\x39\x2E\x63\x6F\x6D\x2F\x22\x3E\x42\x6C\x6F\x67\x67\x65\x72\x74\x68\x65\x6D\x65\x39\x3C\x2F\x61\x3E");
        setInterval(function() {
            if (!$("\x23\x63\x72\x65\x64\x69\x74\x3A\x76\x69\x73\x69\x62\x6C\x65")["\x6C\x65\x6E\x67\x74\x68"]) {
                window["\x6C\x6F\x63\x61\x74\x69\x6F\x6E"]["\x68\x72\x65\x66"] = "\x68\x74\x74\x70\x3A\x2F\x2F\x77\x77\x77\x2E\x62\x6C\x6F\x67\x67\x65\x72\x74\x68\x65\x6D\x65\x39\x2E\x63\x6F\x6D\x2F"
            }
        }, 3000)
    });
    5. Setelah di-decode, ketemu deh akhirnya...:komunis:
    Yang Tersembunyi alias Terselubung tuh biasanya berbahaya:silau:
     
    Last edited: May 4, 2016
    m0emets, apyaf, Jacksoul and 4 others like this.
  2. reff_master

    reff_master Ads.id Pro

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    Nice share gan, ternyata emang disembunyikan. Pernah juga ane ngalami seperti itu, tapi nggak tau kenapa web redirect sendiri, ternyata code nya emang disembunyikan secara jeli sama pembuat na, hehehe

    Sent from my 2014811 using Tapatalk
     
  3. Ian OPX

    Ian OPX Super Hero

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    Harus hati2 milih template, gan.

    Dicek dulu sebelumnya, dicek ada kode yang di-obfuscate atau tidak.:komunis:
     
  4. Rappin

    Rappin Ads.id Fan

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    Share yang bermanfaat hu. Thanks sudah berbagi, akhirnya nemu juga nih :komunis:

    Sent from my ASUS_T00I using Tapatalk
     
  5. megaman

    megaman Newbie

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    Bukannya itu emang sengaja aktif kalau yg make template sengaja hapus credit link? CMIIW
     
  6. luluk azizah

    luluk azizah Newbie

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    kebetulan ane lagi nyari,thanks gan
     
  7. luluk azizah

    luluk azizah Newbie

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    kebetulan ane lagi nyari,thanks gan
     
  8. Ian OPX

    Ian OPX Super Hero

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    ma sama:D

    ada script redirect tersembunyi, gan.
     
  9. bobokayu

    bobokayu Ads.id Pro

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    wah q kemarin kena yg ini. tp themenya hasil odong2. apa kemungkinan yang punya odong2 yang ngerubah ya
     
  10. Ian OPX

    Ian OPX Super Hero

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    biasanya gitu gan.. ga mungkin dikasih gratisan
     
  11. Jacksoul

    Jacksoul Ads.id Pro

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    Nice share gan, pernah kena ginian ane nih. Ujung2nya ganti template..
     
  12. Batsagames.com

    Batsagames.com Ads.id Fan

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    waduuuhh klo share beginian bisa" di manfaatin sama tangan" jahat gan ... yg suka hapus credit link pada template :D hanya saran ...
     
  13. apyaf

    apyaf Banned

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    Makasih om atas sharenya kalau yg buat template orang indo ane hargain footernya , kalau bule mah apus aja wkwkwkw caranya persis udah di Deobfuscate dan di decode juga untung berhasil, dan sudah ketemu terus di apain om biar ga ke redirect lagi dimasukan lagi tuh kode yg udah di hapus atau bagaimana ane bingung om , Makasih banyak om :silau::lol:
     
    Last edited: May 5, 2016
  14. Ian OPX

    Ian OPX Super Hero

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    dihapus gan bagian script redirect-nya, trus script lainnya dimasukin ke template lagi.:)
     
  15. vicky123

    vicky123 Ads.id Starter

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    Hal ini dilakukan karna kebanyakan para pembuat themes tidak menginginkan/melarang sumber themes atau copyright dihapus dari footer.
    Mungkin sebagai timbal balik saja, mereka sudah membuat dengan capek2 kemudian si-pemakai themes sering kali menghilangkan copyright di footer.
     
  16. rahmatayu

    rahmatayu Super Hero

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    owh gitu toh, thx master jd tambah ilmu nih
     
  17. apyaf

    apyaf Banned

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    Malah Ga bisa di save bro yang di hapus mulai ini kan
    Code:
     $(document)["ready"](function() {    $("#credit")["html"]("<a href="http://www.bloggertheme9.com/">Bloggertheme9</a>");    setInterval(function() {        if (!$("#credit:visible")["length"]) {            window["location"]["href"] = "http://www.bloggertheme9.com/"        }    }, 3000)}); 
    :nangis:
     
    vayoniantique likes this.

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