Questions tagged [microsoft]

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Where are NTLM and LM hashes stored in a password protected microsoft presentation file

I have a password protected presentation file (MS office 2003). My assignment required me to either remove the password or find it. In my research i found out that presentation use ntlm and/or nt ...
3
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0answers
49 views

Good book detailing the security aspects of Microsoft Active Directory [closed]

I am attending training later this summer related to AD pentesting. As such, I wanted to ask for book recommendations which detail (in full or in part) the security aspects of Active Directory. The ...
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1answer
91 views

Can wifi admin view video downloaded from personal Outlook cloud onto personal laptop?

Can company wifi admin view a video I downloaded to a personal computer from my outside microsoft outlook account accessed through Chrome? I have a personal university Microsoft account https, which I ...
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0answers
31 views

What is the default cipher for SSL connections in Azure for MariaDB?

According to Microsoft's Documentation, Azure should be configured to use SSL for connections. In regards to default settings, they state the following: By default, the database service should be ...
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0answers
46 views

How secure is Microsoft's Office and LibreOffice's password protection?

AFAIK both Microsoft Office and LibreOffice have features to add passwords to protect the content. In general, there are two ways: protect from editing/changing (without a revision at least) protect ...
46
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9answers
10k views

Replacing Windows 7 security updates with anti-virus?

Microsoft has announced Windows 7 will no longer be receiving updates after January 14, 2020: Here. I hate windows 10's forced updates and telemetry so I have always stuck with Windows 7, but it may ...
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1answer
103 views

In a SQL server, passwords are hashed in chinese. What algorithm it might be using?

While performing the following query, passwords are displayed in Chinese. I'm wondering what hashing algorithm is being used here in order for me to carry out a brute-force attack.
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0answers
25 views

When sharing confidential information, which is more secure share via Outlook vs store on Sharepoint then provide access?

I'm trying to figure out what is good practice and what is more secure for my small team. I wanted to set a standard or governance on how to share confidential information within our team. One person ...
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0answers
33 views

Block/spam an email that doesn't match a rule

Is there anything we can put in place such to verify that if the sender's name = "John Doe" and the domain is not company.org (or legitimate verified SPF sender), then the message is marked as spam or ...
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1answer
27 views

Extensions and Modules and Packages, Oh My! [closed]

How do you know if extensions (e.g., Code, Chrome, Firefox), modules (e.g., PowerShell), or packages (e.g., Python, R) are not malicious? How can you control or monitor that in an environment? Stuff ...
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1answer
66 views

Does the file encryption of Microsoft Office guarantee integrity?

I stumbled upon Microsoft Office's feature of file encryption. For storing sensitive data in the cloud, e.g. DropBox, this sounds like a nice feature. Reading that the encryption is AES-128 in CBC ...
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1answer
24 views

Restricting cipher suite on MSIE

I'm investigating significant performance problems with MSIE using TLS connections. I am trying to restrict the available algorithms to isolate the problem / see if there is valid workaround. To do ...
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1answer
157 views

Is there evidence to proof that Windows is spying us ? Are the anti-spy programs works and are they trustable?

Are there any evidences that Windows is spying the users ? Let's focus on Windows 10. I am almost sure it does. The things like telemetry and Cortana... However I never saw a proof like university ...
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0answers
105 views

Mimikatz /rc4 argument for pass-the-ticket?

I'm studying how pass-the-ticket works using Mimikatz, i.e., forged Silver and Golden Kerberos tickets. The command usually takes the form (Golden tickets): kerberos::golden /sid:SID /domain:DOMAIN /...
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2answers
49k views

Is 'account-security-noreply@accountprotection.microsoft.com' a legitimate sender of security alerts?

I have been getting emails from "account-security-noreply@accountprotection.microsoft.com" (as verified in metadata) about unusual activity. The internet has very conflicting information about if ...
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2answers
3k views

What is the point of Microsofts 30 day security update waiting period

If you want to update your security info (such as a password). You need to verify your ID with your phone or another email. If you don't have any connected to you account (or forgot them), you can add ...
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1answer
39k views

Is this email from OneDrive a phishing attack?

Today I received an email claiming that my OneDrive account is going to be deleted as it has been unused for the past two years. This is probably true. The email urges me to visit OneDrive to ...
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0answers
99 views

Extracting public key created by an UWP app in KeyCredentialManager

I know of an app that is using https://docs.microsoft.com/en-us/uwp/api/windows.security.credentials.keycredentialmanager to generate a key pair (supposedly stored in a TPM), and sequentially uses the ...
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1answer
338 views

Importing a self-signed certificate into Windows via the Microsoft Management Console

First, I apologize if I mix my terminology up a bit in this post, I'm new to SSL. I've created a CA and used it to self-sign an SSL certificate for a server I connect to. Now I need to import the CA'...
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1answer
109 views

Did Skype give me a MBR virus? [closed]

So here's the deal, I could never login on my desktop to skype for business. Since I am an microsoft 365 admin, I issued a ticket and waited for someone to call me to help me login. He remotely logged ...
25
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4answers
22k views

Microsoft email servers “require remote control of Android device security features”

Just tried to set up my student email address with the default email client on my Android device. The email servers used by the university are outlook.office365.com (incoming) and smtp.office365.com (...
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2answers
4k views

Windows 7 consent.exe attempting to access the internet

Looking at Firewall logs, I see that consent.exe, which is responsible for the Windows 7 UAC UI, attempts to connect to the internet. I have verified the file is a genuine executable provided by ...
2
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1answer
193 views

Office 365 “ForeignRealmIndexLogonInitialAuthUsingADFSFederatedToken”

I've detected a number of illegitimate logins to Office 365 (based on Client IP). In the audit log, the operation is listed as "ForeignRealmIndexLogonInitialAuthUsingADFSFederatedToken." I'm not ...
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2answers
1k views

Windows Privilege Escalation system shell dies quickly

I have a user restricted shell and I used a host upnpn exploit which gives me root access to nc.exe. I am able to get a shell as SYSTEM but it dies after 30 seconds due to the service being ...
6
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1answer
300 views

Curious about Microsoft “Buffer Security Check” implementation

A very quick background to help you answering my questions : Learning IDA Interactive Disassembler, the old free edition (too expensive for a hobbyist) 15 year Linux Sysadmin & DBA experience ...
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2answers
91 views

How does “Microsoft domain authentication” prevent me from using passwort variants?

I have read Sequential password updates and I am aware of a number of techniques to prevent users from using password variants. My question is, which of these techniques are actually used in user ...
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0answers
112 views

Is Windows certificate store FIPS 140-2 level 1 certified?

I'm not really aware of FIPS 140-2 requirements, but AFAIK some MS cryptographic libraries are FIPS 140-2 level 1 certified, so here it goes my question: If I do have the following requirement: ...
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3answers
333 views

Should we use Microsoft security or defender for securing our WAN network [closed]

I would like to understand much about Microsoft Security Essentials or another antivirus which build in or developed by Microsoft. I'm planning to set up the network for my company and use Microsoft ...
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2answers
2k views

How is my microsoft account compromised?

I have had my Microsoft account ever since Hotmail boomed, and I've had the same super weak six character password up until this year, but it was when one of my google accounts got compromised a few ...
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1answer
248 views

(Why) does an encrypted MS Office 2010 Spreadsheet (need to) have the password hash “written down”?

To my naive mind, it seems like the encryption of a document with AES should go like this: HumanPassword ---|hash|--> key ---|AES|--> Ciphertext plaintext|--^ And the ...
2
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1answer
270 views

SMBRelay Attack - Mount Share instead of Code Execution

Is it possible to execute an SMBRelay attack that mounts a share instead of execute code? The application I am testing uses a non-administrative user but has access to several SMB shares. Only NTLMv2 ...
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0answers
513 views

Microsoft CryptoAPI FIPS 140-2

My customer asks me to use FIPS 140-2 validated cryptographic libraries. Currently I have AES 256 encryption using Microsoft CryptoAPI in my application. First I get the provider (HCRYPTPROV) using ...
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2answers
386 views

WannaCrypt-style SMB exploits known since Stuxnet, circa 2008, but Microsoft hid fixes from us. So what is new now? [closed]

WannaCrypt-like SMB spreading technique was widely used in Stuxnet, as docummented by Symantec and Kaspersky. Read this: W32.Stuxnet Dossier (2010,Symantec PDF) Now we have the name of the exploit: ...
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0answers
2k views

MS Updates for MS17-010

Anybody know what the KB numbers are for Windows 10 1607 64 bit and 64 bit for 1511? I am assuming these are them, can someone please verify this for me? Also, for the Windows 1607 there is a ...
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3answers
2k views

Is there any reason for disabling telnet client on windows?

Since Windows 7 release the telnet client is disabled by default on windows,any security reason for that? is enabling telnet client on windows will make it vulnerable for any type of threat?
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2answers
2k views

Restrict Microsoft Network Policy Server (NPS) to only trust client certificates from a given CA?

I'm working on an install of a Microsoft Network Policy Sever (NPS) / RADIUS server for controlling access to corporate Wi-Fi using 802.1x / WPA2-Enterprise - using client certificates for ...
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2answers
684 views

“Unusual activity” on multiple Microsoft accounts

As MSDN subscribers all members of our development team need to have a Microsoft account. Since September 2016 these Microsoft accounts get disabled, temporarily or permanently, with no explanation ...
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1answer
113 views

Is it safe to open word document sent in email in LibreOffice

It's not safe to open doc emails attachements in Microsoft Office, because of evil macros. Is it safe to open same file in Libre office or does it also execute macros?
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1answer
543 views

Is the MSWord password protection vulnerable?

When encrypting MSWord documents within the Word 2016 app (most recent file format .docx) what encryption algorithm is used? Have any vulnerabilities been found thus far? Has it been audited? Edit: ...
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1answer
908 views

Anniversary Update with Bitlocker Reboot without Encryption Key

I have Windows 10 Professional installed and have avoided the Anniversary Update until yesterday. The computer installed the update despite my best efforts to stop it. But that is a different ...
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0answers
677 views

Key usage not applied using Microsoft CA

I'm a bit of a newbie to Certificate signing, so please forgive any stupid questions I might have. I have a CSR, when I decode the CSR it cleary request the following key usages: Requested ...
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0answers
506 views

Microsoft is spying me. What can I do?

I was getting into my Windows 10 configuration and I saw a lot of options which are sending data to Microsoft. Telemetries, tracking, statistics... even sharing Windows updates on my PC to other users!...
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2answers
6k views

Is there a RCE PoC for the CVE-2012-0002/MS12-020?

I've recently looked a bit into the MS vulnerability CVE-2012-0002/MS12-020, released in 2012. In March 2012, Symantec posted a screenshot of a supposedly RCE PoC for the vulnerability, but today I ...
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0answers
4k views

How to exploit a file upload to an IIS 5.1 [closed]

I found the following services in a testing environment: 21/tcp open ftp Microsoft ftpd 80/tcp open http Microsoft IIS httpd 5.1 The FTP server allows anonymous logins and ...
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0answers
360 views

Microsoft IIS 7.5 from Time Based SQLi DBA to shell

I am dealing with a time-based SQLi in a Microsoft IIS 7.5 Server and I want to upload a shell. My approach is to get the internal application path, and then, try to upload a file with sqlmap --file-...
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5answers
9k views

KeePass Vs OneNote

In my personal life, I use KeePassX to generate/store all my passwords. I have seen some people use a password protected OneNote section. Does the password protected OneNote section provide a ...
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2answers
291 views

This is a working SQL-injection. What could the server side query string look like?

This question is about a small detail in a larger school assignment. I have been struggling with this little problem for too long. ABCTF arranged a Capture-the-Flag competition which was held earlier ...
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1answer
191 views

Why Microsoft leaves known security flaws?

There is very well known security flaw in microsoft windows. That you simle boot a linux OS from flash drive e.g Kali Linux. And just replace a cmd file with sethc file and you can prompt cmd with ...
6
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2answers
634 views

Can Google Docs be used to “sanitize” a Word or Excel document?

Sometimes I have to download some Word or Excel documents from uncredible sites. I need not only to read but also to edit them. I heard that the Microsoft Office suite is a very popular attack vector. ...
4
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1answer
24k views

Microsoft account comprimised and someone did automatic sync and wondering if emails downloaded?

I have a Microsoft account and today I got a Security alert saying "We think that someone else might have accessed your account" and had to change my password. When I checked my account activity it ...