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New Version of Flame Malware Discovered

Flame was discovered in 2012, linked to Stuxnet, and believed to be American in origin. It has recently been linked to more modern malware through new analysis tools that find linkages between different software.

Seems that Flame did not disappear after it was discovered, as was previously thought. (Its controllers used a kill switch to disable and erase it.) It was rewritten and reintroduced.

Note that the article claims that Flame was believed to be Israeli in origin. That’s wrong; most people who have an opinion believe it is from the NSA.

infossl April 12, 2019 espionage, kaspersky, malware, nsa, Security technology, stuxnet Read more >

TajMahal Spyware

Kaspersky has released details about a sophisticated nation-state spyware it calls TajMahal:

The TajMahal framework’s 80 modules, Shulmin says, comprise not only the typical keylogging and screengrabbing features of spyware, but also never-before-seen and obscure tricks. It can intercept documents in a printer queue, and keep track of “files of interest,” automatically stealing them if a USB drive is inserted into the infected machine. And that unique spyware toolkit, Kaspersky says, bears none of the fingerprints of any known nation-state hacker group.

It was found on the servers of an “embassy of a Central Asian country.” No speculation on who wrote and controls it.

More details.

infossl April 11, 2019 kaspersky, malware, Security technology, spyware Read more >

Skygofree: New Government Malware for Android

Kaspersky Labs is reporting on a new piece of sophisticated malware:

We observed many web landing pages that mimic the sites of mobile operators and which are used to spread the Android implants. These domains have been registered by the attackers since 2015. According to our telemetry, that was the year the distribution campaign was at its most active. The activities continue: the most recently observed domain was registered on October 31, 2017. Based on our KSN statistics, there are several infected individuals, exclusively in Italy.

Moreover, as we dived deeper into the investigation, we discovered several spyware tools for Windows that form an implant for exfiltrating sensitive data on a targeted machine. The version we found was built at the beginning of 2017, and at the moment we are not sure whether this implant has been used in the wild.

It seems to be Italian. Ars Technica speculates that it is related to Hacking Team:

That’s not to say the malware is perfect. The various versions examined by Kaspersky Lab contained several artifacts that provide valuable clues about the people who may have developed and maintained the code. Traces include the domain name h3g.co, which was registered by Italian IT firm Negg International. Negg officials didn’t respond to an email requesting comment for this post. The malware may be filling a void left after the epic hack in 2015 of Hacking Team, another Italy-based developer of spyware.

BoingBoing post.

infossl January 22, 2018 android, implants, italy, kaspersky, malware, Security technology, spyware Read more >

More on Kaspersky and the Stolen NSA Attack Tools

Both the New York Times and the Washington Post are reporting that Israel has penetrated Kaspersky’s network and detected the Russian operation.

From the New York Times:

Israeli intelligence officers informed the NSA that, in the course of their Kaspersky hack, they uncovered evidence that Russian government hackers were using Kaspersky’s access to aggressively scan for American government classified programs and pulling any findings back to Russian intelligence systems. [Israeli intelligence] provided their NSA counterparts with solid evidence of the Kremlin campaign in the form of screenshots and other documentation, according to the people briefed on the events.

Kaspersky first noticed the Israeli intelligence operation in 2015.

The Washington Post writes about the NSA tools being on the home computer in the first place:

The employee, whose name has not been made public and is under investigation by federal prosecutors, did not intend to pass the material to a foreign adversary. “There wasn’t any malice,” said one person familiar with the case, who, like others interviewed, spoke on the condition of anonymity to discuss an ongoing case. “It’s just that he was trying to complete the mission, and he needed the tools to do it.

I don’t buy this. People with clearances are told over and over not to take classified material home with them. It’s not just mentioned occasionally; it’s a core part of the job.

Yet Another Russian Hack of the NSA — This Time with Kaspersky’s Help

The Wall Street Journal has a bombshell of a story. Yet another NSA contractor took classified documents home with him. Yet another Russian intelligence operation stole copies of those documents. The twist this time is that the Russians identified the documents because the contractor had Kaspersky Labs anti-virus installed on his home computer.

This is a huge deal, both for the NSA and Kaspersky. The Wall Street Journal article contains no evidence, only unnamed sources. But I am having trouble seeing how the already embattled Kaspersky Labs survives this.

WSJ follow up. Four more news articles.

EDITED TO ADD: This is either an example the Russians subverting a perfectly reasonable security feature in Kaspersky’s products, or Kaspersky adding a plausible feature at the request of Russian intelligence. In the latter case, it’s a nicely deniable Russian information operation. In either case, it’s an impressive Russian information operation.

What’s getting a lot less press is yet another NSA contractor stealing top-secret cyberattack software. What is it with the NSA’s inability to keep anything secret anymore?

infossl October 6, 2017 cyberattack, cyberespionage, hacking, insiders, kaspersky, leaks, nsa, russia, Security technology Read more >

ShadowBrokers Releases NSA UNITEDRAKE Manual

The ShadowBrokers released the manual for UNITEDRAKE, a sophisticated NSA Trojan that targets Windows machines:

Able to compromise Windows PCs running on XP, Windows Server 2003 and 2008, Vista, Windows 7 SP 1 and below, as well as Windows 8 and Windows Server 2012, the attack tool acts as a service to capture information.

UNITEDRAKE, described as a “fully extensible remote collection system designed for Windows targets,” also gives operators the opportunity to take complete control of a device.

The malware’s modules — including FOGGYBOTTOM and GROK — can perform tasks including listening in and monitoring communication, capturing keystrokes and both webcam and microphone usage, the impersonation users, stealing diagnostics information and self-destructing once tasks are completed.

More news.

UNITEDRAKE was mentioned in several Snowden documents and also in the TAO catalog of implants.

And Kaspersky Labs has found evidence of these tools in the wild, associated with the Equation Group — generally assumed to be the NSA:

The capabilities of several tools in the catalog identified by the codenames UNITEDRAKE, STRAITBAZZARE, VALIDATOR and SLICKERVICAR appear to match the tools Kaspersky found. These codenames don’t appear in the components from the Equation Group, but Kaspersky did find “UR” in EquationDrug, suggesting a possible connection to UNITEDRAKE (United Rake). Kaspersky also found other codenames in the components that aren’t in the NSA catalog but share the same naming conventionsthey include SKYHOOKCHOW, STEALTHFIGHTER, DRINKPARSLEY, STRAITACID, LUTEUSOBSTOS, STRAITSHOOTER, and DESERTWINTER.

ShadowBrokers has only released the UNITEDRAKE manual, not the tool itself. Presumably they’re trying to sell that.

infossl September 8, 2017 exploits, hacking, implants, kaspersky, leaks, malware, nsa, Security technology, windows Read more >

Hacking a Brazilian Bank

A detailed account.

infossl April 6, 2017 banking, dns, fraud, hacking, kaspersky, Security technology, theft Read more >

Duqu Malware Techniques Used by Cybercriminals

Duqu 2.0 is a really impressive piece of malware, related to Stuxnet and probably written by the NSA. One of its security features is that it stays resident in its host’s memory without ever writing persistent files to the system’s drives. Now, this same technique is being used by criminals:

Now, fileless malware is going mainstream, as financially motivated criminal hackers mimic their nation-sponsored counterparts. According to research Kaspersky Lab plans to publish Wednesday, networks belonging to at least 140 banks and other enterprises have been infected by malware that relies on the same in-memory design to remain nearly invisible. Because infections are so hard to spot, the actual number is likely much higher. Another trait that makes the infections hard to detect is the use of legitimate and widely used system administrative and security tools — including PowerShell, Metasploit, and Mimikatzto inject the malware into computer memory.

[…]

The researchers first discovered the malware late last year, when a bank’s security team found a copy of Meterpreteran in-memory component of Metasploit — residing inside the physical memory of a Microsoft domain controller. After conducting a forensic analysis, the researchers found that the Meterpreter code was downloaded and injected into memory using PowerShell commands. The infected machine also used Microsoft’s NETSH networking tool to transport data to attacker-controlled servers. To obtain the administrative privileges necessary to do these things, the attackers also relied on Mimikatz. To reduce the evidence left in logs or hard drives, the attackers stashed the PowerShell commands into the Windows registry.

BoingBoing post.

infossl February 16, 2017 cybercrime, kaspersky, malware, nsa, Security technology, stuxnet, zeroday Read more >

The Equation Group's Sophisticated Hacking and Exploitation Tools

This week, Kaspersky Labs published detailed information on what it calls the Equation Group — almost certainly the NSA — and its abilities to embed spyware deep inside computers, gaining pretty much total control of those computers while maintaining persistence in the face of reboots, operating system reinstalls, and commercial anti-virus products. The details are impressive, and I urge anyone interested to read the Kaspersky documents, or this very detailed article from Ars Technica.

Kaspersky doesn’t explicitly name the NSA, but talks about similarities between these techniques and Stuxnet, and points to NSA-like codenames. A related Reuters story provides more confirmation: “A former NSA employee told Reuters that Kaspersky’s analysis was correct, and that people still in the intelligence agency valued these spying programs as highly as Stuxnet. Another former intelligence operative confirmed that the NSA had developed the prized technique of concealing spyware in hard drives, but said he did not know which spy efforts relied on it.”

In some ways, this isn’t news. We saw examples of these techniques in 2013, when Der Spiegel published details of the NSA’s 2008 catalog of implants. (Aside: I don’t believe the person who leaked that catalog is Edward Snowden.) In those pages, we saw examples of malware that embedded itself in computers’ BIOS and disk drive firmware. We already know about the NSA’s infection methods using packet injection and hardware interception.

This is targeted surveillance. There’s nothing here that implies the NSA is doing this sort of thing to every computer, router, or hard drive. It’s doing it only to networks it wants to monitor. Reuters again: “Kaspersky said it found personal computers in 30 countries infected with one or more of the spying programs, with the most infections seen in Iran, followed by Russia, Pakistan, Afghanistan, China, Mali, Syria, Yemen and Algeria. The targets included government and military institutions, telecommunication companies, banks, energy companies, nuclear researchers, media, and Islamic activists, Kaspersky said.” A map of the infections Kaspersky found bears this out.

On one hand, it’s the sort of thing we want the NSA to do. It’s targeted. It’s exploiting existing vulnerabilities. In the overall scheme of things, this is much less disruptive to Internet security than deliberately inserting vulnerabilities that leave everyone insecure.

On the other hand, the NSA’s definition of “targeted” can be pretty broad. We know that it’s hacked the Belgian telephone company and the Brazilian oil company. We know it’s collected every phone call in the Bahamas and Afghanistan. It hacks system administrators worldwide.

On the other other hand — can I even have three hands? — I remember a line from my latest book: “Today’s top-secret programs become tomorrow’s PhD theses and the next day’s hacker tools.” Today, the Equation Group is “probably the most sophisticated computer attack group in the world,” but these techniques aren’t magically exclusive to the NSA. We know China uses similar techniques. Companies like Gamma Group sell less sophisticated versions of the same things to Third World governments worldwide. We need to figure out how to maintain security in the face of these sorts of attacks, because we’re all going to be subjected to the criminal versions of them in three to five years.

That’s the real problem. Steve Bellovin wrote about this:

For more than 50 years, all computer security has been based on the separation between the trusted portion and the untrusted portion of the system. Once it was “kernel” (or “supervisor”) versus “user” mode, on a single computer. The Orange Book recognized that the concept had to be broader, since there were all sorts of files executed or relied on by privileged portions of the system. Their newer, larger category was dubbed the “Trusted Computing Base” (TCB). When networking came along, we adopted firewalls; the TCB still existed on single computers, but we trusted “inside” computers and networks more than external ones.

There was a danger sign there, though few people recognized it: our networked systems depended on other systems for critical files….

The National Academies report Trust in Cyberspace recognized that the old TCB concept no longer made sense. (Disclaimer: I was on the committee.) Too many threats, such as Word macro viruses, lived purely at user level. Obviously, one could have arbitrarily classified word processors, spreadsheets, etc., as part of the TCB, but that would have been worse than useless; these things were too large and had no need for privileges.

In the 15+ years since then, no satisfactory replacement for the TCB model has been proposed.

We have a serious computer security problem. Everything depends on everything else, and security vulnerabilities in anything affects the security of everything. We simply don’t have the ability to maintain security in a world where we can’t trust the hardware and software we use.

This article was originally published at the Lawfare blog.

EDITED TO ADD (2/17): Slashdot thread. Hacker News thread. Reddit thread. BoingBoing discussion.

infossl February 17, 2015 edwardsnowden, exploits, hacking, implants, kaspersky, nsa, Security technology, vulnerabilities Read more >

Corporate Abuse of Our Data

Last week, we learned about a striking piece of malware called Regin that has been infecting computer networks worldwide since 2008. It’s more sophisticated than any known criminal malware, and everyone believes a government is behind it. No country has taken credit for Regin, but there’s substantial evidence that it was built and operated by the United States.

This isn’t the first government malware discovered. GhostNet is believed to be Chinese. Red October and Turla are believed to be Russian. The Mask is probably Spanish. Stuxnet and Flame are probably from the U.S. All these were discovered in the past five years, and named by researchers who inferred their creators from clues such as who the malware targeted.

I dislike the “cyberwar” metaphor for espionage and hacking, but there is a war of sorts going on in cyberspace. Countries are using these weapons against each other. This affects all of us not just because we might be citizens of one of these countries, but because we are all potentially collateral damage. Most of the varieties of malware listed above have been used against nongovernment targets, such as national infrastructure, corporations, and NGOs. Sometimes these attacks are accidental, but often they are deliberate.

For their defense, civilian networks must rely on commercial security products and services. We largely rely on antivirus products from companies such as Symantec, Kaspersky, and F-Secure. These products continuously scan our computers, looking for malware, deleting it, and alerting us as they find it. We expect these companies to act in our interests, and never deliberately fail to protect us from a known threat.

This is why the recent disclosure of Regin is so disquieting. The first public announcement of Regin was from Symantec, on November 23. The company said that its researchers had been studying it for about a year, and announced its existence because they knew of another source that was going to announce it. That source was a news site, the Intercept, which described Regin and its U.S. connections the following day. Both Kaspersky and F-Secure soon published their own findings. Both stated that they had been tracking Regin for years. All three of the antivirus companies were able to find samples of it in their files since 2008 or 2009.

So why did these companies all keep Regin a secret for so long? And why did they leave us vulnerable for all this time?

To get an answer, we have to disentangle two things. Near as we can tell, all the companies had added signatures for Regin to their detection database long before last month. The VirusTotal website has a signature for Regin as of 2011. Both Microsoft security and F-Secure started detecting and removing it that year as well. Symantec has protected its users against Regin since 2013, although it certainly added the VirusTotal signature in 2011.

Entirely separately and seemingly independently, all of these companies decided not to publicly discuss Regin’s existence until after Symantec and the Intercept did so. Reasons given vary. Mikko Hyponnen of F-Secure said that specific customers asked him not to discuss the malware that had been found on their networks. Fox IT, which was hired to remove Regin from the Belgian phone company Belgacom’s website, didn’t say anything about what it discovered because it “didn’t want to interfere with NSA/GCHQ operations.”

My guess is that none of the companies wanted to go public with an incomplete picture. Unlike criminal malware, government-grade malware can be hard to figure out. It’s much more elusive and complicated. It is constantly updated. Regin is made up of multiple modules — Fox IT called it “a full framework of a lot of species of malware” — making it even harder to figure out what’s going on. Regin has also been used sparingly, against only a select few targets, making it hard to get samples. When you make a press splash by identifying a piece of malware, you want to have the whole story. Apparently, no one felt they had that with Regin.

That is not a good enough excuse, though. As nation-state malware becomes more common, we will often lack the whole story. And as long as countries are battling it out in cyberspace, some of us will be targets and the rest of us might be unlucky enough to be sitting in the blast radius. Military-grade malware will continue to be elusive.

Right now, antivirus companies are probably sitting on incomplete stories about a dozen more varieties of government-grade malware. But they shouldn’t. We want, and need, our antivirus companies to tell us everything they can about these threats as soon as they know them, and not wait until the release of a political story makes it impossible for them to remain silent.

This essay previously appeared in the MIT Technology Review.

infossl December 8, 2014 cyberwar, cyberweapons, disclosure, essays, fsecure, kaspersky, malware, secrecy, Security technology, symantec Read more >