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Writing from the Field

Symantec vs AV-Comparatives, Which one do you trust?

Published: April 25, 2013 Reading time: 5 min

Cross-posted from PCMag SecurityWatch: Last week independent antivirus lab AV-Comparatives released the results of an on-demand antivirus detection test. The fact that Microsoft came in near the bottom wasn’t big news; the fact that Symantec scored even lower was surprising indeed. In a blog post released today, Symantec decried the entire practice of performing on-demand malware scanning tests, calling it “misleading.” In the early years of antivirus testing, every test was an on-demand scanning test. Researchers would assemble a collection of known malware, run a full scan, and record the percentage of samples detected. Modern labs work hard to devise tests that more closely reflect a user’s real-world experience, taking into account the fact that the vast majority of infections enter the computer from the Internet. Symantec contends that only the real-world sort of test is valid; I don’t entirely agree. ...

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Microsoft patches the security update 2823324

Published: April 24, 2013 Reading time: 1 min

Microsoft is making another attempt to close the privilege elevation hole in the NTFS filesystem’s kernel driver for Windows 7 and Server 2008, including R2. The new patch, 2840149, supersedes security update 2823324, which Microsoft released on its April Patch Tuesday. However, shortly after releasing it, the software giant had to recall the first update because it caused problems with various third-party programs; it crippled computers and triggered error messages. Kaspersky’s anti-virus programs also started acting up once the update was installed, erroneously assuming that they no longer had a valid licence and discontinuing operation. When re-releasing the update, Microsoft didn’t clarify whether this was the reason for the system malfunctioning. ...

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China accounts for 41 percent of global computer attack traffic

Published: April 23, 2013 Reading time: 3 min

A new security report points the finger at China as the main source of malicious computer attacks — and puts the United States in second. In a report due to be released today by Akamai Technologies, the security firm says that the Asian country is accountable for 41 percent of all global computer-attack traffic. As reported by Bloomberg, the latest statistic suggests that cyberattacks from China have risen over three times from last year. In addition, there has been a 33 percent hike from the last quarter. ...

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New Java security hole affects desktops and servers

Published: April 23, 2013 Reading time: 1 min

Adam Gowdiak, who has made a name for himself by finding flaws in Java, has reported a new vulnerability. Security issue 61, according to Gowdiak’s tally, affects current versions of Java SE 7, including the very latest release version 1.7.0_21-b11. The hole is once again present in the Reflection API and allows attackers to completely bypass the language’s sandbox to access the underlying system. Gowdiak has not published any further details about the vulnerability in order to give Oracle time to patch the problem. This means that there are now three vulnerabilities discovered by Gowdiak that still require fixes: problems 54, 56 and 61 as numbered by him. ...

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Facebook closes cross-site scripting holes

Published: April 21, 2013 Reading time: 2 min

Code could be injected through (fake) custom locations Facebook has closed various cross-site scripting (XSS) holes that were discovered by security firm Break Security and which have now been described in greater detail. Break Security’s CEO, Nir Goldshlager, explains that the social network was vulnerable to attacks through its Chat feature as well as its “Check in” and Messenger for Windows components. In the Chat window, for example, attackers were able to share links that weren’t adequately checked by Facebook. This enabled attackers to add disguised JavaScript commands to links that were then automatically inserted into href parameters by the Chat client. When users clicked on these specially crafted messages, the injected code was executed on their systems. ...

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LulzSec Hacker Gets A Year For Sony Hack

Published: April 20, 2013 Reading time: 2 min

A former LulzSec hacker has been jailed for a year for ransacking Sony Pictures Entertainment’s computer systems. Cody Kretsinger, 25, from Decatur, Illinois – better known to his fellow LulzSec cohorts as “Recursion” – was also ordered to carry out 1,000 hours of community service, and a year of home detention, following his release from prison. He was sentenced by a Los Angeles court on Thursday, Reuters reports. Kretsinger had pleaded guilty to a single count of conspiracy and unauthorized impairment of a protected computer (i.e. computer hacking) in a plea-bargaining agreement. Kretsinger admitting breaking into the Sony Pictures website and extracting information which he passed on to other members of LulzSec, who leaked the data in order to embarrass Sony, a hated enemy of the hacktivist group. ...

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Java 8 release schedule delayed for renewed focus on security

Published: April 20, 2013 Reading time: 1 min

ISC Handler Rob V pointed out a blog post from Oracle’s Mark Reinhold stating that Oracle has “mounted an intense effort to address those issues in a series of critical-patch update releases” and that they’ve also upgraded their “development processes to increase the level of scrutiny applied to new code, so that new code doesn’t introduce new vulnerabilities.” Framing statements state that Oracle: is committed to continue fixing security issues at an accelerated pace will enhance the Java security model will introduce new security features recoginizes that more engineer hours are required than can be freed up by dropping features from Java 8 or otherwise reducing the scope of the release at this stage As such, the likely release of Java 8 will be in the first quarter of 2014 (had been intended for September 2013). ...

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Boston Marathon Bombing Links May Hide Java-Based Exploits

Published: April 17, 2013 Reading time: 3 min

PCMag: My social media accounts and email inbox are full of links to stories about the horrific incident in Boston earlier this week. I am reading about the victims, the bystanders and first responders that rushed to help, and looking for updates on the investigation. It turns out I should be careful about what links I click on, as cyber-criminals have already started exploiting the tragedy for their own nefarious purposes, security experts told SecurityWatch. ...

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Microsoft to plug holes in Windows Defender in Patch Tuesday

Published: April 5, 2013 Reading time: 1 min

Microsoft’s Patch Tuesday on 9 April will be an important spring cleaning day; the company plans to implement nine security bulletins. One of the bulletins deals with vulnerabilities in Windows Defender for Windows 8 and RT; the hole is rated as important and can be exploited to achieve elevated privileges. The headline bulletins will be the two critical security holes, one of which affects all versions of Windows and Windows Server, and another critical vulnerability which can be found in all versions of Internet Explorer. Whether the Internet Explorer fix will be addressing the IE vulnerability revealed at the recent Pwn2Own contest is unclear though. Both critical holes allow for remote code execution. ...

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Russian malware spies on US ATMs

Published: March 31, 2013 Reading time: 2 min

Security firm Group-IB has identified a malware program called Dump Memory Grabber that can take debit and credit card data from point-of-sale (POS) terminals and ATMs. The researchers say that the program has already been used to steal data from clients of US banks including Chase, Capital One, Citibank, and Union Bank N.A. as well as from clients with Nordstrom-branded cards. SecurityWeek reports the author of Dump Memory Grabber has put a video online to teach other hackers how it works. The Windows program written in C++ reads the target system’s memory using an external tool called mmon.exe. ...

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Backdoor Uses Evernote as Command-and-Control Server

Published: March 29, 2013 Reading time: 1 min

With its rich functionality and accessibility, Evernote is a popular note-taking tool for its many users. Unfortunately, it may also provide the perfect cover for cybercriminals’ tracks. We recently uncovered a malware that appears to be using Evernote as a communication and control (C&C) server. The malware attempts to connect to Evernote via https://evernote.com/intl/zh-cn, which is a legitimate URL. The sample we gathered consists of an executable file, which drops a .DLL file and injects it into a legitimate process. The said .DLL file performs the actual backdoor routines. ...

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Turkish FlashPlayer? no! It’s malware

Published: March 28, 2013 Reading time: 1 min

I recently came across the file “FlashPlayer.exe” during the course of regular research. The file had been distributed with the file name FlashPlayer.exe and not surprisingly, when executed, it shows the following GUI, partly written in Turkish: Obviously, it’s disguised as an Adobe Flash Player 11 installer. Here is more info about the file: 1 2 3 4 5 6 7 8 9 10 File Name: FlashPlayer.exe MD5: e2856b1ad6c74c51767cab05bdedc5d1 SHA1: 1ac150ddb964722b6b7c96808763b3e4d0472daf CRC32: a8464606 SHA-256: b5f37cc44365a5a1b240e649ea07bbb17959ceddc3f8b67a793df694a6f03a88 SHA-512: e2d1388bd5feec51227cfa10a5606f7d3bc58f12ea95d688acb5178ff31a156a1092f739e7dd276f4c5368d89c33ed6a15b08ff5df294b9c3647905c1083921d SHA-384: 5d622afcf87e33334a446df5dfd2be7769cab596cc9a121bfd6269bc85ee980f75e1a2d1472f0eb379788845230d883b File Size: 561,152 Version: 2.01 Source: hxxps://flash-player-download.com/FlashPlayer.exe VirusTotal: Latest Report ...

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IRS uncorks Dirty Dozen Tax Scams for 2013

Published: March 26, 2013 Reading time: 7 min

The Internal Revenue Service today reminded taxpayers that there are plenty of scam artists and cybercriminals that want your money. The tax collection agency issued its “Dirty Dozen” list of tax scams that it says peak at this time of year and include: Identity theft Tax fraud through the use of identity theft tops this year’s Dirty Dozen list. Identity theft occurs when someone uses personal information such as your name, Social Security number (SSN) or other identifying information, without your permission, to commit fraud or other crimes. In many cases, an identity thief uses a legitimate taxpayer’s identity to fraudulently file a tax return and claim a refund, the IRS said. ...

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Anonymous-linked groups hack Israeli websites, release personal data

Published: March 25, 2013 Reading time: 3 min

An anti-Israel hacking collective affiliated with Anonymous says it has initiated a widespread cyber attack against the Jewish state, penetrating websites affiliated with the Mossad security service and a slew of related entities. The hackers claimed late Friday that they have obtained and released personal information relating to 35,000 Israeli government officials, including politicians, military leaders, and police officers, according to a Twitter feed associated with the hackers. A comprehensive spreadsheet purporting to include the information of all 35,000 Israeli officials was published by the website Cryptome, though it did not independently verify the information. ...

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Emma Stone’s twitter hacked

Published: March 25, 2013 Reading time: 1 min

3/22/2013: Emma Stone revealed that she was not behind the ambiguous tweets concerning boyfriend Andrew Garfield and co-star Shailene Woodley that sparked cheating rumors. Speculation surrounded Stone’s mysterious “tweet and delete” spree over the past few months. Emma addressed the rumors on an On Air with Ryan Seacrest radio interview. One tweet in particular on her Twitter appeared to be an anagram that solved to read, “Andrew and Shailene sitting in a tree.” ...

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