Attacks/Breaches
5/6/2013
01:35 PM
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Metasploit Module Released For IE Zero-Day Flaw Used In Labor Attack

Other U.S. energy agencies, organizations targeted in apparent nuclear technology cyberspying campaign that employed a zero-day bug in Internet Explorer 8

A targeted attack discovered last week serving up malware from the U.S. Department of Labor's (DOL) website employed a previously unknown vulnerability in Internet Explorer 8 that Microsoft says it will fix either with an emergency patch or via its monthly patch process.

And as is tradition, Metasploit also has quickly added an exploit pack for the new flaw, a use-after-free bug that has been assigned as CVE-2013-1347. "Microsoft is investigating public reports of a vulnerability in Internet Explorer 8. Microsoft is aware of attacks that attempt to exploit this vulnerability," a security advisory issued by Microsoft late on Friday said. "Internet Explorer 6, Internet Explorer 7, Internet Explorer 9, and Internet Explorer 10 are not affected by the vulnerability."

Security researchers at AlienVault Labs and Invincea initially attributed the exploit to a patched bug in IE 8, CVE-2012-4792, but further investigation into the attacks found it was a new flaw. FireEye is credited with reporting the find to Microsoft.

At least nine additional websites in addition to the DOL were hit with the attack simultaneously, according to Jaime Blasco, director of AlienVault research labs. Blasco said in a blog post over the weekend that nonprofit organizations and a large European aerospace, defense, and security company were among the websites hit in the waterhole campaign.

[Broader spearphishing campaigns and watering-hole attacks look to compromise and gather intelligence on broader classes of targets. See Expect Less Targeting From This Year's Targeted Attacks .]

It appears the attackers were using the DOL attack to turn around and target the U.S. Department of Energy. According to Invincea, "the web pages that were compromised on the DoL site are intended for Dept of Energy employees (and their DoL representatives) in dealing with nuclear-related illnesses linked to Dept of Energy facilities and the toxicity levels at each location," and the campaign "is now widely believed to be a watering hole attack that involves compromising one Federal Dept (DoL) to target another (DoE)."

Matt Dahl, senior threat researcher for CrowdStrike, says the likely ultimate targets visiting the uranium-focused DOL site would be U.S. government agencies involved in energy, energy companies, and "possibly companies in the extractive sector," he said in a blog post.

Of the visitor traffic to the infected DOL site, 71 percent were IP addresses out of the U.S., 11 percent were out of Southeast Asia, and 10 percent were out of Europe. But it's unclear whether the malware actually was exploited on all of those machines.

Dahl stopped short of confirming that the infamous Chinese cyberespionage group DeepPanda is behind the attacks, noting that it was unable to confirm this because the command-and-control server is offline. AlienVault's Blasco last week discovered that the command-and-control protocol used in the attack matches a backdoor used by DeepPanda, which is known for stealing information from defense, energy, and chemical entities.

The DOL's website was infiltrated with malicious code planted on its website, which then sent victim machines to a malicious server that was spreading the PoisonIvy remote access Trojan. A JavaScript tag on the website leads via an iFrame to the browser exploit.

IE 8 running on XP, Vista, Windows 7, Server 2003, and Server 2008 are all affected by the new zero-day.

Security experts recommend moving to IE 9 or 10, and for XP users to run Chrome or Firefox until Microsoft has issued a fix for the bug.

Have a comment on this story? Please click "Add Your Comment" below. If you'd like to contact Dark Reading's editors directly, send us a message.

Kelly Jackson Higgins is Executive Editor at DarkReading.com. She is an award-winning veteran technology and business journalist with more than two decades of experience in reporting and editing for various publications, including Network Computing, Secure Enterprise ... View Full Bio

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thernningmn
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thernningmn,
User Rank: Apprentice
5/27/2013 | 4:04:18 AM
re: Metasploit Module Released For IE Zero-Day Flaw Used In Labor Attack
Well the US government is at least a year behind with anything. A majority of federal and DoD government websites required for time cards, training, and other commitments will not work with any browsers newer than IE8. Hence the reason to attack a "government" website. Someone may know this and is the reason they used this particular attack.
Ashu001
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Ashu001,
User Rank: Apprentice
5/7/2013 | 8:14:05 PM
re: Metasploit Module Released For IE Zero-Day Flaw Used In Labor Attack
I was thinking precisely the same thing.

Especially when IE9 has seen such wide release.

Such companies deserve to be hacked(IMHO).
Larry Seltzer - UBM Tech
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Larry Seltzer - UBM Tech,
User Rank: Apprentice
5/6/2013 | 6:12:24 PM
re: Metasploit Module Released For IE Zero-Day Flaw Used In Labor Attack
How can any organization still be running IE8?
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