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Posts Tagged ‘APT’

Advanced Persistent Threats Are Among Us, Survey Reveals

February 14, 2013 2 comments

They LiveThey are among us! ISACA has just released its Advanced Persistent Threat Awareness Report. The study presents the results of a survey undertaken by ISACA in the fourth quarter of 2012 with a sample of information security professionals including information security managers in different industries and organizations throughout the world (1,551 individuals globally, representing more than 20 industries).

The results of the survey are interesting to measure the level of awareness, but not so encouraging (and in several circumstances also contradictory) for other aspects:

  • The survey results reveal that 25.1% of respondents are very familiar with APTs, although (somehow in contradiction with the previous statement), 53.4% of respondents indicated that they do not believe APTs differ from traditional threats.
  • 89.7% of respondents believe that the use of social networking sites increases the likelihood of a successful APT attack.
  • 87.3% think that BYOD, combined with rooting or jailbreaking makes a successful APT attack more likely.
  • The biggest risk for the enterprise is the Loss of Intellectual Property (25.5%) and the Loss of Personal Information (23.6%). Reputational damage is the third biggest risk (20.5%).
  • Only 21.6% of respondents reported having been subject to an APT attack, but 63% of them believes that it is only a matter of time before their enterprise is targeted.
  • In any case, nearly 60% of respondents believe that they are ready to respond to APT attacks. Of those: 14% responded that they are “very prepared,” which indicated that they have a documented and tested plan in place for APT. Another 49.6% responded that they have an incident management plan although it does not specifically cover APT.

But in my opinion, the most surprising finding is the fact that, from a technological point of view, a very high percentage (above 90%) of surveyed responded that they are using antivirus and anti-malware and/or traditional network perimeter technologies to thwart APTs. Other kinds of technologies (Sandboxing, Event Correlation, Mobile or Traditional Endpoint Control, Remote access), have a much lower impact (below 60%).

Contradictory results that show a high awareness about Advanced Persistent Threats, but maybe more from a marketing point of view than from a substantial perspective. As a matter of fact more than one half of the sample does not consider APTs different from the other threats. This explains the high value of respondents who leverage traditional technologies to (believe to) thwart this class of threats.

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A Strange Coincidence

February 2, 2013 2 comments

After the revelation of the Chinese attack against the Gray Lady, other U.S. media companies have admitted to have been targeted by (probably state-sponsored) Chinese Hackers in 2012. Immediately after the NYT, even the Wall Street Journal has revealed to have been infiltrated, and similar rumors have emerged for Bloomberg and the Washington Post in what appears to be a systematic hostile campaign.

In particular the attack against the NYT has apparently confirmed the inadequacy of signature-based antivirus against targeted attacks. As the same New York Times admitted, over the course of three months, the foreign attackers installed 45 pieces of custom malware, but the antivirus in use, made by Symantec, was only able to detect one instance of malware over the entire sample.

The security firm has immediately replied to those allegations:

“Advanced attacks like the ones the New York Times described … underscore how important it is for companies, countries and consumers to make sure they are using the full capability of security solutions. The advanced capabilities in our endpoint offerings, including our unique reputation-based technology and behaviour-based blocking, specifically target sophisticated attacks. Turning on only the signature-based anti-virus components of endpoint solutions alone are not enough in a world that is changing daily from attacks and threats. We encourage customers to be very aggressive in deploying solutions that offer a combined approach to security. Anti-virus software alone is not enough.”

Said in few words: signatures alone are not enough. The sophistication of the next generation targeted attacks require advanced security capabilities such as reputation and behavioral analysis.

According to the scant information available even the Washington Post used Symantec technology to protect its assets, and even in this case it could not prevent the hostile attackers to systematically compromise computer systems.

I wonder if this double coincidence could somehow be connected to the infamous leak of Symantec antivirus source code which occurred (or better was made public) approximately one year ago (the 6th of January 2012). As a consequence of the breach (that allegedly dates back to 2006) the source code of two old products (Symantec Antivirus Corporate Edition 10.2 and Symantec Endpoint Protection 11) were leaked on the Internet. Of course the affected products have been greatly modified since then, nevertheless it is likely that any core functions have not evolved, so in theory, hostile hackers could have taken a (detailed) look at them and have consequently found ways to evade the antivirus (some claim that a similar scenario happened for the infamous RSA breach).

Of course this is just a speculation, maybe the reality is much more simple: traditional antivirus technologies are not enough to thwart sophisticated targeted attacks.

1-15 December 2012 Cyber Attacks Timeline

December 17, 2012 2 comments

Christmas is coming quickly, we have just passed the first half of December, and hence it’s time for the first update of the Cyber Attacks Timeline for December.

The Team GhostShell has decided to close the year with a clamorous Cyber Attack, and hence,as part of the project ProjectWhiteFox, has leaked 1.6 million of accounts from several organizations all over the world. This is the most important event for this first part of the month that apparently has shown a decreasing trend. Hacktivists are still focusing their attention (and their keyboards) to Israel, and Cyber Criminals are maybe preparing for the Christmas attacks.

However, the main events of the first half of December, are related to hacktivism, besides the above mentioned cyber attack, it worth to mention the new wave of massive DDoS attacks against US Banks (up to 60 Gbps of peak according to Arbor Networks), but also the leak of a ITU document on the future of Deep Packet Inspection and the attacks in Egypt, Mexico and India.

Last but not least: this two weeks also offered a giant attack to the famous Social Platform Tumblr and also the warning of the Switzerland’s national security agency (NDB) that a huge amount of secrets may have been leaked by a disgruntled IT Administrator.

If you want to have an idea of how fragile our data are inside the cyberspace, have a look at the timelines of the main Cyber Attacks in 2011 and 2012 and the related statistics (regularly updated), and follow @paulsparrows on Twitter for the latest updates.

Also, feel free to submit remarkable incidents that in your opinion deserve to be included in the timelines (and charts). To do so, you can use this form.

1-15 December 2012 Cyber Attack Timeline Read more…

Adobe Persistent Threat

September 28, 2012 Leave a comment

Adobe is the latest victim of a targeted attack. The news has been reported in a blog post by Brad Arkin, Director of product security and privacy at Adobe.

According to Mr. Arking the company has recently received two malware strains in disguise of malicious utilities that appeared to be digitally signed using a valid Adobe code signing certificate and has identified the possible reason for the illegitimate code signing in a compromised build server with access to the Adobe code signing infrastructure as part of the build server.

The first malicious utility is called pwdump7 v7.1 and extracts password hashes from the Windows OS as a single file that statically links the OpenSSL library libeay32.dll.  The second malicious utility, dubbed myGeeksmail.dll, is a malicious ISAPI filter.

Of course the forensic investigation is ongoing. To date Adobe has identified the presence of malware on the build server (although the details of the machine’s configuration were not to Adobe corporate standards for a build server, this was not caught during the normal provisioning process”) and the likely mechanism used to first gain access. Although the forensic investigation has found evidence linking the build server to the signing of the malicious utilities, it appears that the private key required for generating valid digital signatures was not extracted from the HSM, which is kept in physically secure facilities. Even, so far there is no evidence that the source code was compromised or stolen.

As a natural consequence the company has changed the signing process and has deployed an interim solution including an offline human verification to ensure that all files scheduled for signature are valid Adobe software. Furthermore the company is also designing and deploying a new, permanent signing solution.

All the certificates signed with the impacted key since July 10, 2012 will be revoked on Thursday October 4, 2012 (does this means that the build server has been compromised, undetected, for more than two months?). Potentially there could be 5127 applications signed with the compromised key.

According to the available information, we are in front of a typical targeted attack:

We believe the threat actors established a foothold on a different Adobe machine and then leveraged standard advanced persistent threat (APT) tactics to gain access to the build server and request signatures for the malicious utilities from the code signing service via the standard protocol used for valid Adobe software.

Moreover “Targeted Attacks generate Targeted Attacks” since the malware samples discovered (most of all in case of the pwdump7 “utility”) show the typical features used by Advanced Persistent Threats: compromise one machine, extract information to escalate privileges (see password) and use the initial entry point as a bridgehead to harvest the target network.

So at the end Adobe is the latest high-profile target to join the group of the companies hit by targeted attack: “Through this process we learned a great deal about current issues with code signing and the impact of the inappropriate use of a code signing certificate. We plan to share our lessons learned as well as foster a conversation within the industry about the best way to protect users and minimize the impact on users in cases where the revocation of a certificate becomes necessary (as in this example).”

“Please stay tuned for more details in the coming weeks.”

Consumer AVs And Exploit Prevention

August 23, 2012 Leave a comment

Targeted attacks exploiting endpoint vulnerabilities are becoming more and more common and increasingly aggressive.

For this reason I could not help but notice the last report from NSS Labs dealing with the capability of 13 consumer grade AV products, to protect against two critical Microsoft vulnerabilities (CVE-2012-1875 and CVE-2012-1889). The successful exploitation of these critical vulnerabilities could result in arbitrary remote code execution by the attacker leading to very harmful consequences for the victim, such as, for instance, to make it become part of a botnet. Unfortunately a very common scenario in these troubled days.

Even if these vulnerabilities are a couple of months old (and patched), the resulting report is not so encouraging, and renews the dramatic question: are endpoint protection technologies, on their own, capable to offer adequate protection in the current cyber-landscape?

Probably not, considering the the findings which are quite frustrating:

  • Only 4 of the 13 products blocked all attacks: exploit prevention remains a challenge for most products;
  • More than half of the products failed to protect against attacks over HTTPS that were blocked over HTTP, a serious deficiency for a desktop AV / host intrusion prevention system (HIPS.);
  • Researchers are not the only ones testing security products – criminal organizations also have sophisticated testing processes in order to determine which product detects which malware, and how the various products can be evaded. Some crimewares will (already) include various one-click buttons to “Bypass VendorX,” for example.

Ok, you might argue that only consumer-grade AV products were tested, so enterprise organizations are not so exposed against exploit attacks. Mmh… Do not jump to conclusions, as I believe the reality is pretty much different and enterprise organizations are even more exposed for the following reasons:

  • More and more organizations are approaching the BYOD philosophy policy in which users are free to use their own devices. Even worse, too often these are equipped with outdated EPPs (how many organizations enforce NAC policies to check the integrity of the endpoint?).
  • Most of all… If cyber criminals have sophisticated testing processes in place, aimed to test the detection capability of the various products, why should they use them only for consumer products and not (also) for the most appealing enterprise crime market?

Yes, definitively I believe endpoint protection technologies, on their own, do not offer adequate protection for exploit prevention, and the time has come for Advanced Threat Detection/Prevention technologies (like Lastline :-)).

July 2012 Cyber Attacks Timeline (Part II)

August 3, 2012 1 comment

Click here for Part I.

The Dog Days are nearly here. Weather forecast are announcing for Italy one of the hottest summers since 2003, and the same can be said for the Infosec temperature, although, July 2012 has been very different from the same month of 2011, which was deeply characterized by hacktvism.

Instead looks like that hacktivists have partially left the scene in favor of cyber criminals who executed several high profile breaches also in the second part of the month: Maplesoft, Gamigo, KT Corporation and Dropbox are the most remarkable victims of cyber-attacks, but also other important firms, even if with different scales, have been hit by (improvised) Cyber Criminals. One example for all? Nike who suffered a loss of $80,000 by a 25-year improvised hacker, who decided that exploiting a web vulnerability was the best way to acquire professional merchandise.

But probably the prize for the most “peculiar” cyber-criminal is completely deserved by Catherine Venusto, who successfully changed her sons’ grade for 110 times between 2011 and 2012.

As far as the Hacktivism is concerned, although we were not in the same condition of one year ago (a leak every day kept security away), this month has offered the massive leak of the Australian Provider AAPT, with 40 gb of data allegedly stolen by the Anonymous.

Last but not least, a special mention for the cyber espionage campaigns, that had an unprecedented growth in this month: Israel, Iran, Japan, the European Union and Canada, are only few of the victims. Iran gained also an unwelcome record, the first nation to be hit by a malware capable of blasting PC speakers with an AC/DC song…

If you want to have an idea of how fragile our data are inside the cyberspace, have a look at the timelines of the main Cyber Attacks in 2011 and 2012 and the related statistics (regularly updated), and follow @paulsparrows on Twitter for the latest updates.

Also, feel free to submit remarkable incidents that in your opinion deserve to be included in the timelines (and charts).

Read more…

June 2012 Cyber Attacks Timeline (Part II)

July 5, 2012 1 comment

Part I (1-15 June) at this link

From an information security perspective, the second half of June has been characterized by the hacking collective UGNAZI (and its members) and also by an individual hacker: .c0mrade AKA @OfficialComrade.

Both entities have left behind them a long trail of Cyber Attacks against different targets (in several cases the real extent of the attack is uncertain) and with different techniques, although it is likely that the UGNAZI collective will be forced to change the plans after the arrest of the group’s leader, JoshTheGod, nearly at the end of the month (27thof June), effectively they have considerably reduced the rate of their cyber attacks in the second part of the analyzed period.

On the other hand, hospitals, banks, several major airlines are only few examples of the preys fallen under the attacks carried on by .c0mrade. Plese notce that from  Cyber Crime perspective,  is also interesting to notice the High Roller Operation, a giant fraud against the banking industry, unmasked by McAfee.

Needless to say, the Cyber War front is always hot, most of all in Middle East, were several DDoS attacks targeted some Israeli institutions and, most of all, an alleged unspecified massive Cyber Attack targeted tje Islamic Republic of Iran.

The hacktitic landscape is completely different: maybe hacktivists have chosen to go on vacation since June 2012 has apparently shown a decreasing trend, in sharp contrast with an year ago, when the information security community lived one of its most troubled periods.

If you want to have an idea of how fragile our data are inside the cyberspace, have a look at the timelines of the main Cyber Attacks in 2011 and 2012 (regularly updated), and follow @paulsparrows on Twitter for the latest updates.

Also, feel free to submit remarkable incidents that in your opinion deserve to be included in the timeline.

Read more…

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Israel Blamed for Fueling the Flame Cyber Weapon in Middle East

The day after its discovery, there are few doubts that the infamous malware dubbed Flame (or sKyWIper) has been developed by a government with significant budget and effort. The complexity of the malware suggests that it has been used for a huge cyber-espionage campaign and, easily predictable, Israel is listed as the main culprit, even if in good company if it is true, as argued by some bloggers, that the malware was created by a strict cooperation coproduction between  CIA and Mossad.

Israeli vice Premier Moshe Ya’alon has contributed to fuel the Flame: speaking in an interview with Army Radio, Ya’alon has hinted that Jerusalem could be behind the cyber attack, saying “Israel is blessed to be a nation possessing superior technology. These achievements of ours open up all kinds of possibilities for us.” In light of this statement, it does not appear a simple coincidence the fact that the main victims of the cyber weapon, as reported by Kaspersky Lab, are nations who may not be just considered in good neighborhood relations with Israel.

Consequantly it is not that surprise the fact that the same interview has been readily reported by the Iranian News Agency Fars (which has interpreted it as a sign of liability and has hence blamed Israel for waging cyber war in Iran) as well as it is not that surprise the tone of several comments to an article posted on the Haaretz newspaper’s Web site (“Nice One Israel, Proud of You!!!!”).

Of course it is too soon to jump to conclusion,in any case, whether Israel (and U.S.) is behind Flame or not, I could not help but wonder how it is possible that a malware has been able to go undetected for at least 5 years. Are endpoint protection technologies really dead, leaving us at the mercy of a (cyber)world ruled by APTs?

If you want to have an idea of how fragile our data are inside the cyberspace, have a look at the timelines of the main Cyber Attacks in 2011 and 2012 (regularly updated), and follow @paulsparrows on Twitter for the latest updates.

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