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600,000 Macs compromised by Flashback botnet

600,000 Macs compromised by Flashback botnet | Apple, Mac, MacOS, iOS4, iPad, iPhone and (in)security... | Scoop.it
Apple users will be suffering a crisis of faith, as it was revealed its faith-based security system failed to prevent over 600,000 Macs around the world from being compromised by the Flashback Trojan.

 

Apple has now released a patch that should squash the vulnerability. Whether or not Apple users will rush to protect their machines is another matter. Earlier this week, Sophos' Graham Cluley urged users to be vigilant. There had been a "flood of Mac malware activity" against users in mid-2011, with a steady stream since.


Users were encouraged to consider that many cyber attacks are not specifically technical, but rely on social engineering and human folly.


Apple fans would be "foolhardy" not to protect their Macs with anti-virus software and to keep it updated, Cluley said.

 

===> "Especially as there are free Mac anti-virus options available, you really have nothing to lose". <===

 

                       ===> NOBODY IS PERFECT!!! <===

 

Read more: http://news.techeye.net/security/600000-macs-compromised-by-flashback-botnet#ixzz1rAgKQUW6

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Trojaner hat bereits über 550.000 Macs infiziert

Trojaner hat bereits über 550.000 Macs infiziert | Apple, Mac, MacOS, iOS4, iPad, iPhone and (in)security... | Scoop.it
Der kürzlich entdeckte Trojaner hat binnen weniger Tage über 550.000 Mac-Rechner infiziert und zu Mitgliedern eines mittlerweile stillgelegten Botnetz gemacht.
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Flashback-Schädling greift Macs über Java-Lücke an

Flashback-Schädling greift Macs über Java-Lücke an | Apple, Mac, MacOS, iOS4, iPad, iPhone and (in)security... | Scoop.it
Apple hat ein Sicherheits-Update für seine Java-Implementierung aus Mac OS X bereit gestellt. Damit schließt Apple auch eine Sicherheitslücke, die bereits durch Schädlinge ausgenutzt wird.
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Flashback malware infects 600,000 Macs

Flashback malware infects 600,000 Macs | Apple, Mac, MacOS, iOS4, iPad, iPhone and (in)security... | Scoop.it
More than half a million Macs are infected with the data-stealing Flashback Trojan, according to new analysis.
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Flashback : 600 000 Mac infectés ?

Flashback : 600 000 Mac infectés ? | Apple, Mac, MacOS, iOS4, iPad, iPhone and (in)security... | Scoop.it
Flashback est-il le premier malware à connaitre "un certain succès sur Mac" ?

 

Flashback est-il le premier malware à connaitre "un certain succès sur Mac" ? Alors qu'Apple a enfin bouché la faille qu'il exploitait dans Java (lire : Mise à jour Java pour OS X Lion et Snow Leopard), l'éditeur russe d'anti-virus, Doctor Web, affirme que les différentes variantes de Flashback ont infecté plus de 550 000 Macintosh.

 

Sur Twitter, l'éditeur a dans la foulée revu ce chiffre à la hausse et parle de 600 000 Mac touchés.

 

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Apple releases Java update with 12 security fixes

Apple releases Java update with 12 security fixes | Apple, Mac, MacOS, iOS4, iPad, iPhone and (in)security... | Scoop.it
Apple has shipped a Java update for Mac operating systems with 12 security fixes, including one that plugs a hole exploited by a recent variant of the Flashback malware.

 

                                ===> UPDATE!!! <===

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Flashback Mac Malware Uses Twitter as Command and Control Center - The Mac Security Blog

Flashback Mac Malware Uses Twitter as Command and Control Center - The Mac Security Blog | Apple, Mac, MacOS, iOS4, iPad, iPhone and (in)security... | Scoop.it

The Flashback malware, which Intego pointed out was infecting an increasing number of Macs, turns out to be using a novel technique to operate. Many types of malware use command and control servers that they connect to, in order to get instructions from the creators of the malware.

 

The problem with using these servers is that their IP addresses are specified in the malware code, and the servers can generally be taken down.

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New OS X malware variant attacks unpatched Macs | ZDNet

New OS X malware variant attacks unpatched Macs | ZDNet | Apple, Mac, MacOS, iOS4, iPad, iPhone and (in)security... | Scoop.it

A new malware variant sets out to punish those who haven’t been keeping up to date with updates.

 

Patching OS X is so simple, but yet there are people who still put it off. A new malware variant sets out to punish those who haven’t been keeping up to date with updates.

 

The new variant is a Trojan horse called ‘Flashback.G’ and is makes use of two exploits found on older versions of the Java runtime. Users with macs running OS X 10.6 ‘Snow Leopard’ are particularly at risk since this version came with Java preinstalled while 10.7 ‘Lion’ did not.

 

According to security firm Intego, this malware uses three tricks to try to get itself installed onto a system: read more...

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Le cheval de Troie Flashback (presque) de retour sur Mac

Le cheval de Troie Flashback (presque) de retour sur Mac | Apple, Mac, MacOS, iOS4, iPad, iPhone and (in)security... | Scoop.it
Intego a découvert de nouvelles variantes du cheval de Troie Flashback, qui avait touché les Mac à l'automne.
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Mac security update leaves users open to ugly Flashback • The Register

Mac security update leaves users open to ugly Flashback • The Register | Apple, Mac, MacOS, iOS4, iPad, iPhone and (in)security... | Scoop.it

Apple has updated the malware protection built into its Mac operating system to flag a recently discovered trojan that hijacks users' machines by masquerading as a benign document. Malware disguised as an Adobe Flash installer, meanwhile, remained unchecked.

 

The file quarantine, which Apple snuck into a prerelease version of Snow Leopard in 2009, was updated to include a definition for Trojan-Dropper: OSX/Revir.A, which antivirus provider F-Secure disclosed on Friday. According to an update on F-Secure's blog, the malware disguises itself as a PDF file in an attempt to trick users into clicking on it.

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600.000 Mac réunis dans un botnet mondial

600.000 Mac réunis dans un botnet mondial | Apple, Mac, MacOS, iOS4, iPad, iPhone and (in)security... | Scoop.it
Le cheval de Troie ‘Flashback’ aurait regroupé 600.000 ordinateurs Mac contaminés dans un botnet mondial, en ce compris des Mac à Cupertino même.
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Half a million Macs enslaved by botnet

Half a million Macs enslaved by botnet | Apple, Mac, MacOS, iOS4, iPad, iPhone and (in)security... | Scoop.it
Flashback malware appears to have infected computers in Apple's HQ...

 

The infamous Flashback malware has successfully infected over half a million Mac computers according to Russian security firm Dr. Web.


Dr. Web reported on 4 April that the BackDoor.Flashback.39 had infected far more computers than researchers initially thought.
Nearly 300 are thought to be inside Apple's headquarters.


"Now BackDoor.Flashback botnet encompasses more than 550 000 infected machines, most of which are located in the United States and Canada," read Dr. Webs initial statement.
The figure has since increased with Dr. Web malware analyst Sorokin Ivan claiming on Twitter that the count has risen to 600,000.

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Botnet à plus d'un demi-million de Mac

Botnet à plus d'un demi-million de Mac | Apple, Mac, MacOS, iOS4, iPad, iPhone and (in)security... | Scoop.it
Dr. Web indique que plus d'un demi-million d'utilisateurs OS X font partie d'un botnet.

 

Un iBotnet est-il en cours de formation ? Les réseaux d'ordinateurs zombies sont plus fréquemment constitués de machines Windows infectées, mais le cheval de Troie Flashback sous ses diverses formes a dans l'idée de faire pareil avec des ordinateurs sous OS X.

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Biggest Apple botnet discovered: 600K+ Macs infected

Biggest Apple botnet discovered: 600K+ Macs infected | Apple, Mac, MacOS, iOS4, iPad, iPhone and (in)security... | Scoop.it
Russian researchers have discovered a botnet of more than 600,000 Macs. Yes, Macs -- you know, those things that don't get malware.

 

Russian researchers have discovered a botnet of more than 600,000 Macs. Yes, Macs -- you know, those things that don't get malware. Apple (NASDAQ:AAPL) is coming under heavy criticism for its slow response to known vulnerabilities and for perpetuating the myth that OS X is malware-free.

 

In IT Blogwatch, bloggers count the cost.

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Doctor Web exposes 550 000 strong Mac botnet

Doctor Web exposes 550 000 strong Mac botnet | Apple, Mac, MacOS, iOS4, iPad, iPhone and (in)security... | Scoop.it

Doctor Web exposes 550 000 strong Mac botnet
April 4, 2012

 

Doctor Web—the Russian anti-virus vendor—conducted a research to determine the scale of spreading of Trojan BackDoor.Flashback that infects computers running Mac OS X.

 

Now BackDoor.Flashback botnet encompasses more than 550 000 infected machines, most of which are located in the United States and Canada. This once again refutes claims by some experts that there are no cyber-threats to Mac OS X.

 

Systems get infected with BackDoor.Flashback.39 after a user is redirected to a bogus site from a compromised resource or via a traffic distribution system. JavaScript code is used to load a Java-applet containing an exploit.

 

Doctor Web's virus analysts discovered a large number of web-sites containing the code. 

 

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Are you having a (Mac) Flashback?

Are you having a (Mac) Flashback? | Apple, Mac, MacOS, iOS4, iPad, iPhone and (in)security... | Scoop.it

On Monday, I provided steps on how to avoid your Mac being compromised by the Flashback trojan. Today I will provide information on how to locate a Flashback infection.

 

To better understand the steps below, it is better to also know a bit about Flashback. It's an OS X malware family that modifies the content displayed by web browsers. To achieve this, it interposes functions used by the Mac's browsers.

 

The hijacked functions vary between variants but generally include CFReadStreamRead and CFWriteStreamWrite: read more...

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Mac OS X sous la menace d’un dangereux cheval de Troie

Mac OS X sous la menace d’un dangereux cheval de Troie | Apple, Mac, MacOS, iOS4, iPad, iPhone and (in)security... | Scoop.it

Mac OS X sous la menace d’un dangereux cheval de Troie


Flashback revient en version ‘G’, et il pourrait faire mal car ===> il n’a besoin de personne pour s’installer sur votre machine, puis s’emparer de vos identifiants et mots de passe. <===

 

Cette information est l’occasion de rappeler que le Mac d’Apple est aussi la cible des hackers mafieux et que la réputation sécuritaire de l’Unix embarqué comme OS du Mac ne le met pas à l’abri des menaces, alors que nombre d’utilisateurs des produits de la pomme continuent d’affirmer que le système suffit à les protéger.

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Flashback Mac OS X malware exploiting (old) Java security holes | ZDNet

Flashback Mac OS X malware exploiting (old) Java security holes | ZDNet | Apple, Mac, MacOS, iOS4, iPad, iPhone and (in)security... | Scoop.it
If a Mac OS X user visits a web page, and their Java is not up to date, the malware infection will occur without their intervention.

 

===> UPDATE asap! <===

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New Mac malware variant disables OS X defenses

New Mac malware variant disables OS X defenses | Apple, Mac, MacOS, iOS4, iPad, iPhone and (in)security... | Scoop.it
Malware writers arent waiting long between releasing new variants for a Mac trojan known as Flashback. The latest is designed to disable builtin antivirus on target machines.
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