Mac OS X is a series of Unix-based graphical interface operating systems developed, marketed, and sold by Apple Inc.

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196 views

How safe is the encryption offered by Mac OS X's Finder?

If you plug in a USB drive, open it in Finder and right-click the Finder window, you get the option to encrypt the drive. What methods does Finder use to encrypt the drive and how safe is it ...
3
votes
1answer
65 views

FileVault and Sleeping mode

I have FileVault activated on 10.10. (Mid 2012 MacBook Pro - MPB) I relaized already that there are different sleep modes. autopoweroff and normal Standby. Whenever the MBP goes into Hypernate mode, I ...
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0answers
167 views

Is checking out network traffic for suspected malware useless if the malicious actor is in a different timezone? [closed]

I had recently upgraded from OS X 10.10 (Yosemite) to OS X 10.11 (El Capitan) from a bootable drive that the Genius Bar of one of the my city's Apple stores has, and I installed the 10.11.1 update ...
3
votes
1answer
232 views

Upgrade shell to meterpreter behind NAT

I've been playing around with Metasploit the past week, and am successfully able to obtain a basic shell of the victim over the internet. I've currently: Created a DDNS that points to my public IP ...
2
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0answers
87 views

Why did Google sign every auxiliary app inside “Google Chrome.app” (OS X version) except for one?

$ codesign -dvv /Applications/Google\ Chrome.app/Contents/Versions\ /46.0.2490.80/Google\ Chrome\ Framework.framework/Resources/app_mode_loader.app/ /Applications/Google Chrome.app/Contents/Versions\ ...
8
votes
1answer
173 views

How to check if iCloud password popup is legitimate?

I was away from the computer when this popup appeared and I've no idea what triggered it. How do I know if it's legitimate popup from App Store or a phishing attempt by some malware? Back in my ...
3
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3answers
584 views

Password entry on OS X and keyloggers

There's several places in my ‘personal security infrastructure’ (is there a better phrase for that?) where I find myself typing very important passwords into text-fields on OS X (for instance, ...
2
votes
1answer
5k views

What method of secure erase is sufficient for MacBook Pro SSD Drives? [duplicate]

I would like to securely erase the hard drive of a SSD in a MacBook Pro. The Disk Utility does not give me the option to wipe this drive even when I boot into the System Partition. (it is greyed ...
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2answers
180 views

How do I find the source of network traffic from a specific host?

My firewall identifies an unusual amount of traffic to 8.8.4.4 from host 192.168.76.22 (a Mac OS X Server). Within that server, the network connections are defined with a primary DNS pointing to my ...
2
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1answer
79 views

Thousands of files (png, pdf, tex, java, cpp, etc.) deleted on Mac OS X Yosemite

Yesterday, I noticed that, starting at 12:40, many thousands files had been automatically deleted from my drive. The computer is a Macbook Pro with a recent version of Mac OS X Yosemite. Since many ...
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4answers
2k views

Why are Macs more secure? [closed]

People often say that Macs are more secure than say Windows. Which is why many Mac users don't have antiviruses. But why is this? Is it because of the need for a password for sudo commands, like ...
2
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1answer
59 views

apparmor alternative for MacBook [closed]

Does anyone know an alternative to apparmor for Mac? Every time I use winebottler my MacBook gets Windows viruses. Wanted to protect my Mac from it.
3
votes
1answer
4k views

Chrome showing SSL warning about SHA-1 when the sites don't use SHA-1

My version of Chrome on an iMac (latest 43.0.2357.130 (64-bit)) is showing an SSL warning for well-known sites (Hackernews, GitHub, DigitalOcean): This site uses a weak security configuration ...
3
votes
2answers
181 views

How to track down and remove Mac malware that is calling out?

Little Snitch periodically brings up a dialog that says: Terminal via node wants to accept an incoming connection from X on port 3000 (remoteware-cl). X are different IPs in eastern europe. A full ...
3
votes
1answer
98 views

How to verify .plist and .kext files are legitimate?

While scouring through tons of logs generated during an audit of a Mac filesystem after a potential malware infection, and I am wondering if there are any better ways to verify that all kernel ...
0
votes
1answer
107 views

Possible sources of repeated Adware infections

In the last couple of months I have had the same thing happen on separate occasions to two Android phones, a Mac laptop and a Windows desktop computer. In all cases, something infects Chrome making ...
5
votes
2answers
183 views

Are X.509 nameConstraints on certificates supported on OS X?

I have the following "chain" of certificates on a test machine right now: A self-signed CA cert, in my Keychain and trusted & trusted by Firefox. A CA cert with with the following, X509v3 Name ...
3
votes
1answer
457 views

How is Facebook accessing my iPhone texts in order to recommend friends?

I have noticed that Facebook has been recently recommending people who have texted me. It has been able to connect their number (I believe most of these people are using iPhone) and connect their ...
1
vote
1answer
83 views

Patching Mac DMA attack

I want to know a few things about the blackhat attack that attacks thunderbolt. Is there anyway to wipe or patch a currently infected computer? I am not versed per se in THAT level of security. I was ...
6
votes
4answers
1k views

Can the FBI or government agencies decrypt my hardrive and/or force me to give them the password?

I have seen other TrueCrypt questions as well "Windows encryption with BitLocker" and "Mac OSX encryption with FileVault". Does the FBI/NSA or other government agencies have access to my data or can ...
0
votes
2answers
99 views

If there is a malicious attack on one partition, is the other one safe?

I recently have used Bootcamp to set up a new partition and run Windows 7. About half of my HDD is designated to my OS X partition and the other half is allocated to the new Windows 7 partition. If ...
3
votes
5answers
429 views

Enforcing personal firewall for OS X

We're currently doing PCI compliance, and one of the requirements is that mobile devices that have access to systems involved in processing card data have personal firewall software installed which ...
5
votes
2answers
435 views

Questions on true anonymity

I am going to use Tails to connect to Tor through VPN which has AES-256 data encryption, SHA-256 data authentication and RSA-4096 handshake encryption on my Mac on my school's WiFi (as public as I can ...
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vote
1answer
196 views

How to determine which program accessed the Mac Camera?

The green light on my laptop's camera just flashed on and then off after 1 second. I am extremely concerned about this since I am not running any programs which could have enabled the camera. I ...
2
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0answers
399 views

Is XSP suitable for Internet facing, production hosts? (either self hosted, as an Apache plugin, or FastCGI)

XSP is portable version of ASP.NET that allows for operation on OSX, Linux, and Windows. It's an alternative to IIS, and hosts its own web server, or can plug into existing web servers such as ...
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2answers
664 views

How does the DYLD privilege escalation vulnerability work on OS X?

Just reading about the DYLD privilege escalation vulnerability reported by Stefan Esser at https://www.sektioneins.de/en/blog/15-07-07-dyld_print_to_file_lpe.html I understand this allows anyone to ...
3
votes
2answers
146 views

Can you use ssh for secure inter app communication on the same device?

I use ssh to get an encrypted connection between servers and local machines all the time. It's fast, it's secure, and there's a way to do it in nearly every system programming language that I've used ...
2
votes
1answer
599 views

Is the 'SUIDGuard' patch safe to implement?

Can someone who really knows what they're looking at advise whether the patch published here by Stefan Esser is in fact safe to install? While I'm very concerned that Apple haven't published an ...
2
votes
1answer
341 views

Is FileVault 2 HIPAA compliant?

It looks to me like FileVault 2 uses AES 256 bit encryption for the desk. Does that mean that it meets the HIPAA "data at rest" standard? Is there something else I need to check about it?
1
vote
1answer
196 views

CryptoAPI to CommonCrypto with RC4

I have cryptographic code used in the Windows platform, which uses the Crypto API functions and need to convert this to using Common Crypto on OS X. Essentially the original code is this, with error ...
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2answers
641 views

Macbook pro, rootkithunter

I've never really tried to understand rootkit enough, I'm too much paranoid... I recently reinstalled mountain lion, but my EFI might be infected. I have a macbook pro, it was really slow at some ...
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2answers
6k views

Unrecognized leaf certificate

Every 15 minutes or so I get this message in my system.log Apr 25 22:05:36 Ivans-MacBook-Pro.local apsd[194]: Unrecognized leaf certificate Apr 25 22:20:57 Ivans-MacBook-Pro.local apsd[194]: ...
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vote
2answers
4k views

CloudFlare - prompted for “attention required”

I am getting a CloudFlare - attention required / security check prompt on most of the sites I visit through my Macbook running OS X Yosemite, these sites work perfectly on other devices (such as iPad, ...
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7answers
5k views

Convenient cross-platform help on checking secure hashes like SHA-256

It is often helpful to be able to obtain a good cryptographic checksum of a file, e.g. the SHA-256 hash. This can be used to verify file integrity, so long as you have a reliable source for the hash. ...
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0answers
69 views

Forensics: Any legitimate reason for code injection in artifacts?

I have two images I'm analyzing using volatility. I've found two instances where malfind found injected code in processes in which the code had well defined function prologues and returns. One was ...
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3answers
117 views

Which kind of Wifi is safe to use ?

I travel a lot, so I most of the time get Wifi from Hotel or Cafes. I payed attention to the fact that some Wifi does not have security password ! Here is a screenshot of the type of security I found ...
4
votes
1answer
986 views

Sites are signed with an incorrect VeriSign Class 3 G5 CA

Previously today, I encountered a SSL error trying to access twitter.com in Chrome. Investigating the issue, I encountered the same error accessing discussions.apple.com. Most other HTTPS sites were ...
3
votes
1answer
418 views

How do I enable support for Cryptographic Message Syntax (CMS) in OpenSSL on OS X?

I want to use the Cryptographic Message Syntax (CMS) of OpenSSL as documented on https://www.openssl.org/docs/apps/cms.html on OS X. When I try to run openssl cms I get the following error: $ ...
0
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1answer
481 views

Chromium Sandbox on Mac OSX: Is it enabled by default?

I have decided to finally replace the closed source and privately owned Google Chrome with the open-source Chromium on my Mac OSX 10.9.2 (Mavericks). I have read the differences between both here: ...
1
vote
1answer
182 views

Suspicious wifi networks from distant places and hotels

When I check my Macbook's network settings, I see some unfamiliar wifi networks from distant places like famous hotels. It's impossible to connect to those networks because I've never been to those ...
6
votes
2answers
2k views

How Do I Troubleshoot a Browser Hijack on a Mac?

My Mac is getting weird redirects with Safari and Chrome, however not with Mozilla Firefox. Since I cannot find software to do malware removal on Apple products or any good information, I am at a loss ...
1
vote
1answer
98 views

Block An IP Address Scanner On Mac [closed]

I'm working on an prototype that can spot network scanners, which is working and it spits out the IP address of the scanners, but I need to block them now. Is there any way to block an IP address ...
4
votes
2answers
427 views

How can I confirm I'm vulnerable to OS X “rootpipe” (CVE-2015-1130)?

I've read the disclosure post by Emil Kvarnhammar of TrueSec (Hidden backdoor API to root privileges in Apple OS X) and I'm trying to confirm whether I'm vulnerable or not. After creating an ...
2
votes
1answer
95 views

native mac malware opening urls across all browsers

I'm a security newbie so please excuse the solely high level symptomatic description of my problem. My friend doesn't know how he got it, but he has some form of malware on his mac which, when he ...
9
votes
3answers
51k views

How do I detect malware on Mac OS X?

I have a computer running OS X, and I want to know if there's malware (e.g. a keylogger, or something that lets an attacker control my computer, or something that stops me from installing whatever I ...
4
votes
1answer
100 views

Xcode's git still vulnerable (CVE-2014-9390)? What's the best practice here?

In December everyone and his grandmother were talking about CVE-2014-9390 and we were all busy installing the git maintenance releases. Looking at my Xcode installment today - 41 days later - I still ...
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2answers
252 views

Is there a way to check for “hollow” processes, or malware hidden within “normal” processes

I recently came across an article on the The Verge, which centers around the concept of commercial malware production and how it's used around the world. The article introduced me to a number of ...
3
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2answers
612 views

OSX Yosemite and Security/Privacy

I currently have a Macbook Pro running OSX Mavericks, being the skeptic that I am I always wait a bit before upgrading to 'new' OS versions when they are released to see how they fare both stability ...
0
votes
1answer
214 views

Need To Use Live CD With Mac without Shutting Down Computer (VMWare/Parallels Secure?) [closed]

I've heard of using Live CDs such as Tails to protect yourself online. Is there a similar setup to this that would work except run a Mac OS? I've done some searching, but have yet to find anything. ...
0
votes
1answer
551 views

At Starbucks, is my MAC address sent when I accept the terms of service for free Wifi? [closed]

Recently, I overheard by chance some technically savvy guys saying that when you accept the terms of service in order to use the "free" WiFi at Starbucks (which you pay for when you buy some coffee), ...