Computer forensics works to analyze information on computer systems in an attempt to find evidence regarding certain actions of a process, application, user or computer to determine the source of change within a host, network or device.

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Volatility Plugins Directory Using Windows

I'm trying to use a plugin (not built-in) with volatility 2.4 but am having trouble with the syntax. I know that at least for the native python (vol.py) the plugins option must be specified directly ...
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Forensics, evidence collection vs data acquisition

I'm new in forensics. I would like to understand the difference between evidence collection and data acquisition? How would you call the following events: Imaging the RAM on a live system; ...
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Selling used ram [DDr3 SODIMM]. Need to erase?

Does DDr3 SODIMM memory hold information after being removed? I would like to sell the memory I just removed from my computer, however I wasn't sure if I had to wipe/erase it first some how. Please ...
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Spyware on Sony Xperia z3 compact ? comand: adb reboot bootloader results in error device not found

Please help as I can not pay a forensic data investigator. For a while now I suspect to being spied on my computers and cellphones. I have two Sony xperia Z3 compact and both were acting strangely ...
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Forensics live data collection

The SANS institute recommends to perform a RAM image before trying to collect data from live systems (SANS Link). I'm also following an online training where the trainer collects live data (processes ...
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Is there a need to image the hard drive when using a write blocker?

Forensics books often recommend working on an image of the hard drive instead of the original drive. Should I take this precaution even if I use a write blocker? If so, why?
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Write blocker, blocked operations

In forensics, write blockers devices should block every operation that might change the hard drive content. Besides the write operation what other operations should a write blocker block?
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54 views

Does a Mailbox Export Request modify the mailbox data?

The procedure suggested by forensics companies to make a copy of a users's mailbox in a forensically sound manner is to use New-MailboxExportRequest. What information is modified (if any) by the use ...
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Forensics procedures, volatile data collection [closed]

In forensics procedures, it's often recommended to thoroughly document a crime scene before proceeding to evidence collection. In case of volatile data, these evidences can be lost before having the ...
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211 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 ...
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97 views

Forensics copy, dcfldd

dcfldd is often recommended in forensics to duplicate hard drives. One of the reasons dcfldd is preferred over dd is the on-the-fly hashing feature. Q: can I really rely on this feature to ensure the ...
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Forensics hdparm command

I'm new to forensics and I don't know yet what I'm allowed to do or not. I would like to know if I'm allowed to issue the following command hdparm -I /dev/sdb where /dev/sdb is the hard drive to ...
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412 views

What data is not encrypted in iOS 8+ when “locked”

Scenario: iPhone 5+ with iOS 8+ with system encryption enabled. The phone is on and locked. (the user has authenticated (unlocked phone) at least once since power-up, and then relocked). What data/...
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125 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 ...
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64 views

Can information be extracted from the CPU Register

To my knowledge, the Process Control Block (PCB), which stores information about the state of processes whilst they are on hold, is stored in the CPU Register, otherwise and additional Fetch cycle ...
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102 views

Forensics Tools on Linux Servers

I am trying to consolidate a list of security tools for our data center servers. We are predominantly Linux shop (RHEL) with some Windows 2008/12 servers. The core business is Software as a Service, ...
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50 views

What artifacts to acquire when looking for IoC? [closed]

I want to hunt for the Indicators of Compromise (IoC) in a potentially infected Windows PC. I am writing a batch script that would record the information needed for analysis. It includes the ...
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61 views

Detecting the source of dll injection

Is it possible to determine the process that performed DLL injection against a victim process?
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203 views

Can data be forensically retrieved off an encrypted hard drive?

If a hard drive is encrypted, is it still possible to retrieve data off of it? What about if the password to decrypt it is known? If this is the case, given that OSX now encrypts your drive by default,...
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138 views

Can data be tampered with after expert clones a drive?

Introduction 3 computers were sealed and taken from a persons apartment. Investigators invited him to unseal the PCs, they were intact and they started the cloning process, however the hashes were ...
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How to convert a pcap file to a raw file?

I need to convert a pcap-ng/ now a pcap file to a raw file for being able to analyse it with multimon-ng. Any recommendations? It should be possible, but I am not aware how it should be done.
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66 views

Going to host a “hidden service”, should I “wipe” or edit file metadata?

I have made a site that is a hidden service on the Tor network. I was wondering if there any security risks by leaving metadata untouched for various files including but not limited to stylesheets (...
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118 views

The use of SHA-1 in a cyber forensic

Let's say a hard disk (A) is retrieved from a system to make a clone of it on hard disk (B) and use this clone for a forensic investigation. Is SHA-1 secure enough to make sure that no other ...
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Anti-live forensic programs

Against dead forensics acquisition we can use disk encryption (we can use TrueCrypt for example). I was wondering do software exists against live forensic ? Can you give me a list for windows and ...
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Identifying EXIF Tampering

Is it really impossible to detect changes to EXIF data? Reading from this link, it seems that it is not possible to detect EXIF changes: https://photo.stackexchange.com/questions/43150/how-to-detect-...
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105 views

Prove that a Breach Didn't Result in a Leak

I was recently told by someone who manages a security team at a consulting firm that not all security breaches are necessarily incidents. If someone breaks into a machine that has no file access ...
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48 views

Is it possible to detect the real IP from a modifed header [closed]

Is it possible to find the real IP from a header which seems to be changed in order to hide the sender's IP?
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443 views

How to make data in hard disk unrecoverable on linux [duplicate]

I need to wipe completely the data on my hard disk so it's unrecoverable. I'm actually using Linux, i have seen this command on the web, but I don't know if its secure. shred -zvn 35 /dev/sdb
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How do I know how a file got onto my computer?

I would like to know if there is any way to know how a file was written onto my server (Windows server) i.e if a file X got written via http or via ftp or by simple network copy or someone manually ...
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495 views

ENCASE Forensic: Detect if someone ran CCleaner or CleanUp software

I have Encase. and I'd like to know where can I find if someone ran CCleaner Or CleanUp software to erase evidence.
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Host Protected Area forensics

I see vague notes on forensic HPA interest, but it's never specific. What kind of information can be extracted from a PC's HPA? From http://robert.penz.name/68/do-you-know-what-a-host-protected-area-...
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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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184 views

Data collection when responding to malware alerts

When investigating malware alerts I would like to collect some information from the system before the decision gets made to take the system off of the network and re-imaged, or if further forensics is ...
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42 views

Can one trace downloads in storage unit? [closed]

Does My Passport WD keep a history of downloads, transfers etc? In other words can user A detect user B's activity? Or can it just see the content of the storage unit?
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How do I prevent SSD file recovery?

I use a Kingston V300 SSD (specifically SV300S37A) According to this answer The 'best' modern drives support a vendor-specific secure erase functionality. Examples of this are Intels new 320 ...
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Analyzing log files for forensics homework?

Suppose two users have done a murder at 6pm at Dunkin Donuts, I have got the hard disks on site, disk1 and disk2. How do I identify the time and order of each user's activities on the hard disks? ...
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Forensics - trace back DNS query origin on host?

So I tried to search the web for answers but didn't find any. Is there any way to trace back which exe file or application caused the computer to make a specific DNS query?
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252 views

Hidden OS: Decoy OS ≠ Hidden OS?

I wanted to use two different OS then two OS equal in the distinct functions: Hidden OS: Linux Decoy OS: Windows Has how? because what I have read until today were processes done with even OS, I do ...
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How to find passwords in memory (password managers)

I’m trying to figure out if password managers such as LastPass store passwords in plain text (or hash values that can then be decrypted with the master password) in memory after a user logs into the ...
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398 views

How to remove meta and sensitive data from PDF file?

I've some PDF files generated from different sources (such as web-browser, Photoshop, etc.) on Unix. How do I make sure PDF doesn't contain any sensitive information such as IP address, OS, user name,...
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117 views

Are there standards for software disk image acquisition in forensics?

I am working on a forensics policy which covers several countries. One of the options is to have the user device (laptop, workstation) drive acquired (imaged) locally and perform forensics in another ...
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Autopsy/SleuthKit in the courthouse? [closed]

I am studying digital forensics and have been working with both AccessData's FTK and Autopsy to analyze disks for different assignments. I keep hearing that Autopsy findings should not be admitted in ...
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Is it safe to load a forensic image which might contain malware?

So you get a raw image of a compromised system and then you load it on an application suite like Autopsy. If the system had some kind of malware, could it spread to the operating system in which ...
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Do webcams generates logs on operating system? [closed]

I would like to know if the activity of a webcam (date and hour when it was on, etc.) is stored somewhere in the operating system. Webcam to which I refer can be integrated or USB camera and the OS ...
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271 views

Acquiring remote forensic image from EC2 instance

I'm trying to figure the best way to acquire remote image from an EC2 instance. Here is how I took/trying to take an image of an EC2 EBS drive: Using EnCase Remote Recovery (trial for 14 days): 1.a:...
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Forensic in Cloud environment

Let's assume that I have access to an EC2 instance (whether a private key for a Linux instance or the username and password for Windows instance), and I used a software like FTK Remote Agent to ...
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Overwriting only Free Space with rubbish data to prevent data recovery?

I am aware of tools which write zeros or other useless data to fill up your harddrive, however so far all of the tools I have come across must fill up the entire harddrrive. My understanding of the ...
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451 views

How can an online hack be traced back to the perpetrators?

What sort of evidence might be used in linking, say, the Sony hack to North Korea? While I am curious about what was used in this particular case, my question is meant to be a more general question ...
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70 views

DIsk imaging on virtual environment

Every forensics material you read, tell you to get an image of the disk and work with this image. However, it seems they always refer to a single computer. What if the compromise is on a VMWare ...
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Can a virtual machine be used instead of the host?

I was thinking of using a Debian guest as my main 'host' instead of my actual host (Ubuntu). Do you think this will have any advantages in terms of making it difficult for digital forensics to ...