Questions tagged [forensics]

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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iCloud deletion

If I delete photos which are stored in iCloud from my phone. (Which is also linked to my iPad) I know the data is then made ‘free space’ but is still on the phone In some format. If I delete it from ...
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What’s the best way to permanently delete data from your iPhone?

As the title suggests what’s the best way to permanently delete data from an iPhone. I know when you delete something, it’s not really deleted, but merely marked as ‘free space’. So how, on an iPhone, ...
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At what point is deleted data irrecoverable?

From reading around on the internet I get the impression that barring physical damage, deleted data can be always be recovered using sophisticated digital forensics. For this reason the advice is ...
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Volatility firefox artifacts extraction

There is a memory dump where the subject used firefox(confirmed: the process is listed) and was logged in into a site. how to recover the password of the mail id used? tried volshell for particular ...
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1answer
69 views

Comparing two Linux system clones - what about non-regular files?

Could you please help me to understand the best approach to compare two filesystems / hard disks? As a practical learning exercise I created a clone of whole hard drive a month ago and again ...
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31 views

How to build Linux Volatility Profiles With the Compiled Kernel

I'm familiar with creating Linux memory profiles as stated here. However, this is assuming that I have access to the live system which often times is not the case. I heard there is a way to build the ...
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4answers
13k views

Why is this 435 × 652 pixel JPEG over 6 MB?

This was, before someone helpfully fixed it after seeing this question, a relatively unassuming and tiny photo of a ̶f̶i̶s̶h̶ nudibranch, with 283,620 pixels. It has some metadata: text Exif tags as ...
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1answer
66 views

Identification of File Deletion Time

following problem: A file is marked as being deleted without a tracked time-deletion date. However, timestamps such as File Accessed, Entry Modified etc. point e. g. to the 30.12.2019. Is it safe to ...
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Is it possible to delete all traces and files on a mac? [duplicate]

Is it possible to delete all traces and files on a mac, so no one can recover files and there will be no traces at all for this files or any activity?
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Does software based file recovey solutions have the same results on real physical device vs dd image file?

I have a flash drive and I want to recover some files from it. Can I take a dd image of the device and perform the recovery operation on dd image instead? Does it have the same results when performing ...
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2answers
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How to trace SMB connection to what process initiated the connection?

I have a situation where I see a bunch of SMB connections initiated from a client to a server every night and it triggers an SMB brute-force alert on my Firewall. I installed Sysmon on the server to ...
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1answer
49 views

Finding artifacts using bulk_extractor in different methods [closed]

I have specific number of artifact, and I want to search for those particular artifacts in the disk image using the bulk_extractor tool via different methods using Random Sampling, Stop List, Alert ...
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Unrecoverable information in HDD

A couple of days ago I asked about deleting the information and making it unrecoverable. The company bought a new disk and I have to leave the old disk. My question is simple: I had very confidential (...
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3answers
249 views

How to make information unrecoverable?

I manage a company's equipment and the manager has used a piece of equipment for the last 3 years. He told me, that he will give that equipment to one of the employees. However, he has told me to ...
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Is it possible to gather information about a destination-nat host?

Let's say that I'm connected to a network where the ISP has setup a dst-nat from an IP they don't control to an IP that they control,like so: 1- Their DNS server resolves example.xyz to 1.1.1.1 (the ...
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How to trace the remains of deleted files?

My question is not about the recovery of deleted file, nor is it about the complete wiping of a disk; it's to ask about the traces deleted files leave, and how I could possibly 'see' them or visualise ...
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1answer
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How to hide the fact that a system is virtual machine from malware

I've read that many types of malware scan a system for various clues regarding virtualization software, in order to stifle forensics. Is there any way to hide the fact that a computer is a virtual ...
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Is NTFS encrypted by default?

Can an NTFS volume be read by forensics without having to log into the windows user or provide any passwords? aka can data be read straight from the sectors in clear text?
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71 views

Host Protected Area (HPA) Imaging

I'm a student in the Digital Forensics department. I have to create an image of the HPA of my disk. I searched whole documents about creating HPA image ways but all of them are old methods. For ...
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Android Encryption: Can an attacker get the master key due to Android's default password and wear-leveling?

Since Android 5.0: Upon first boot, the device creates a randomly generated 128-bit master key and then hashes it with a default password and stored salt. The salt and the encrypted master key are ...
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1answer
172 views

Can I safely sell a used keyboard without risk of new owner recovering previous inputs?

As far as of my knowledge goes, keyboard don't store keystrokes in their memory by default (excluding those bundled with keyloggers). The thing that comes to my mind though is that some keyboards do ...
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4answers
802 views

How to physically destroy an SSD at home?

SSDs seem to be notoriously tricky to properly erase (see for example this question and answers here). An easier and potentially safer solution could be to physically destroy the SSD device. I am ...
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1answer
65 views

Dealing with File Permissions from a Virtual Machine - Forensic Logical Acquisition

I am currently in the middle of operating an analysis on Autopsy of a virtual machine (VMware) that has been hacked. I have mounted the VM and I am acquiring the evidence from VMware to my physical ...
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460 views

Why does Volatility fail on windows 10 dumps and what other tools can I use? [closed]

So I am trying to extract data from a full memory dump (Made with either dumpit or a BSOD). WinDBG manages to extract some information from it, but Volatility is silent: PS F:\> C:\Python27\python....
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1answer
153 views

What forensics should be collected as part of an incident response plan on Windows 10?

I am in the process of creating an IRP that responds to system hacks. I have attacked the Windows 10 myself (victim machine), using Metasploit on Kali Linux software, where I managed to gain access ...
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107 views

Risk of Docker backdoor allowing impersonation

I am a junior web developer. All I know is mostly about web development. I have no skills and knowledge about system security and know little about Linux. I work in a company which is developing some ...
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1answer
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Wannacry testing in lab - Not getting SMB scan attempts

So I booted up two windows 7 64bit sp1 versions in virtualbox and shared their network and the operating systems are vulnerable to the SMB exploit that the wannacry ransomware is using. The Issue is ...
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Scapy: Sending forged Probe Requests and capturing them in a different device

Objective: Sending a forged Probe Request frame from one machine and capturing it on a second machine. I have two codes running: sender.py interface = sys.argv[1] dot11 = Dot11(addr1='ff:ff:ff:ff:...
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263 views

DNS Tunnel or Not (g01.msn.com)

Thought I found DNS tunneling and but after a closer look it seems a bit more complex. Anyone seen this traffic before? User starts their computer, launches firefox.exe, then they hit c.msn.com ...
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101 views

Interpreting a Registry value of hashed password

I have been given a forensics challenge that contains a SYSTEM and SAM registry files as well as a wordlist. When using hivexsh (a registry analysis tool) I need to find the password (which I belive ...
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100 views

What is the significant difference between a Rogue Access Point & Client Mis-Association [closed]

As the title states, how can I differentiate both of them.
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41 views

saving entire Windows event log for auditing & preserve digital evidence

As an admin one gets tasked with configuring [Microsoft Windows 10] computers so that auditing is enabled and captures all events as required by some list that's already defined and handed down. ...
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173 views

How Concerned should I be about VM Escapes?

I intend to start learning how to do malware analysis and forensics, but I have a concern or two. I want to start by just analysing code that I write myself, and that'll be fine. But at some point I'...
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85 views

Forensic image of hard disk on VMWare using Autopsy

Is there a recommended, forensically sound method of acquiring virtual hard drives on VMWare using Autopsy? Or is it a simple copy and paste? I’ve used other software like Caine in the past, where ...
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122 views

Passively read key from process memory without invoking kernel (windows 10)

I have a process that loads into memory like any other process. It contains a special key. Our goal is to read this key inside memory...or while it is in transit across the data bus from cpu. The ...
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95 views

Is it possible to obtain a forensic image of an Android device without installation of custom recovery mode or rooting?

I need to forensically image a Samsung phone that is not rooted or running a custom recovery mode. I have not been able to pull an image using ADB, as the default Samsung recovery mode only allows ADB ...
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43 views

Live Memory Analysis

I'm a developer working on a POC for an internal web app (Python\SQL) which will handle sensitive employee information within our company. In going over the application with our security department to ...
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1answer
103 views

Is there an alternative to using hashing to identify malware?

I'm reading a sans paper on IOCs (indicators of compromise) in malware forensics and I came across this interesting obstacle: polymorphic and metamorphic codes (Paxson, 2011) result in multiple ...
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1answer
157 views

Alternative routes for Incident Response approach other than Windows Event Viewer?

I am in preparation of developing an Incident Response Plan for a computer that has been hacked (no malware installed, just a system hack). My plan is to analyse through Windows Event Viewer to try ...
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675 views

Volatility: Issue with analyzing Windows 10 and Server 2016 systems

I have been trying to use Volatility 2.6 to analyze memory dumps generated by DumpIt. I am experiencing an issue analyzing the memory dumps (all 4 GB in size) of two Windows 10 64 bit boxes (build ...
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90 views

Android forensics on Samsung Galaxy S7 edge's Voice Recorder

I have a Samsung Galaxy S7 edge. The default app that comes with the phone is called Voice Recorder and it belongs to Samsung, it cannot be uninstalled. I recorded something highly sensitive that ...
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How long would traces of a disk wipe be visible? [closed]

If a user on normal everyday-use computer wiped the unallocated space on a hard disk drive, how long would it take before analysis of the unallocated space would yield no evidence of a disk wipe? Lets ...
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39 views

Is it always possible to retrieve data from a rewritable CD? And using partitioning and formatting discuss their forensic implications

Is it possible to retrieve data from a rewritable CD? Using partitioning and formatting discuss their forensic implications.
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118 views

How can information be recovered after it has been overwritten (single pass) by a secure deletion program? [duplicate]

We know that information can be retreived after it has been deleted. There are several tools for file "undeletion" (Recuva, FTK, some tools contained in Caine, etc.) I have heard as well, that data ...
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2answers
93 views

Carve out all scattered pieces of a file from data

If a file is scattered in pieces on a hard drive how is it possible to find all parts of it? Forensically in a file carving situation where one do not have access to a running OS.
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How to extract cluster data for a jpeg image using autopsy

How do I find the exact partition of an image evidence in the hard drive that is being investigated? I know autopsy has a tool for it but I can't find it anywhere.
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1answer
54 views

Is there any difference between hiberfile.sys file and RAM dump made with 3rd party software for Volatility.py?

I was wondering how could I give some advice to one of my friend when attempting to analyze live Windows machine which was infected with malware. As far as I know, hibernation saves RAM memory ...
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147 views

How to detect file or file system tampering

I would like to know if the following is possible: Is it possible to detect a file that has been put into my file system using back dating? Are there any trace artifacts left behind which can help to ...
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2answers
255 views

SD card planted in my pocket

Today, I found a SD card in my pocket. I've never seen it before and am nearly certain I didn't put it there myself. My suspicion is that someone stealthily planted it there while I was walking ...
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508 views

Forensics methods for obtaining WhatsApp data from Windows Desktop PCs

WhatsApp has the option to download a Windows (or Mac) Desktop version. Installation requires pairing the software with a mobile phone. I have read a similar question about Android devices, and ...

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