Questions tagged [information-gathering]

The early stage of an attack during which the attacker tries to collect information about the target.

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27 views

Can someone see my contact list because of Truecaller? [closed]

I read somewhere that Truecaller had its database open. Is it still open to the public, or can someone with enough time get access to it and see who I have on my contact list?
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How to automatically find all forms in a website?

Is there a tool or technique that can identify all the forms in a website so that we don't have to visit the entire website manually to look for forms?
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267 views

How do I find the IP address of a specific device on the local network? [closed]

I would like to learn how to find the private IP address of anyone connected to a network. This specific network has a firewall. The only info I have on it is that it blocks ICMP requests (I'm pretty ...
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29 views

How do mobile apps share details with each other to show customized ads

My question is more towards how this is implemented. I mean do they expose apis to each other or store data at a common place to be accessed by others. Please excuse me if it seems too naive.
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99 views

How do attackers determine ROP gadgets remotely?

Being gadgets change per each system and architecture (do they?), how would an attacker be able to determine the offsets of various Return Oriented Programming gadgets, would an attacker first need to ...
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74 views

Impact of the System Information Leak

Our application stored **e.printstacktrace()** in a log file, which is accessible to a specific user group. We need such detailed information for debugging purposes. As per the security team, they are ...
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Is a simple text field a good alternative for phone/website fields if a form's data isn't saved in a database?

I am creating a website with the CMS MediaWiki and its extension named ContactPage. The website is principally all core and I use only that one extension ContactPage (as one which is not one of the ...
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1answer
359 views

Can my ISP know these things?

I am a novice about digital things (imagine the antonym for "tech savvy"). Can my ISP know my yahoo email address? I have signed in on yahoo more than a million times. Yahoo is https. Can ...
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4k views

If nmap shows all ports are filtered or closed, what would be the next logical step to take to get more information?

If nmap shows all ports are filtered or closed, what would be the next logical step to take? Does that mean I would need to get physical access to the device? or is there any other ways to get ...
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74 views

How does the Amass intel module correlate information?

Can someone explain to me how OWASP Amass correlates information regarding the intel module domain search? As an example, if I run the command: amass intel -d example.com -whois I'll get a list of ...
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3k views

How do hackers search for vulnerabilities on certain ports? [closed]

Hackers usually attack open ports and services, but I want to know how they find security holes in specific ports or services.
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1k views

What is the impact of leaked recaptcha secret key?

Due to server configurations, our recaptcha secret key was publicly readable. The key has been updated to a new one, but what is the actual impact of a malicious user getting a hold of the key? ...
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How SIGINT Researchers/Operators collect, decode and monitor a vast array of wireless data? [closed]

In wireless communication, data flows at various frequencies ranging from Radio to Satellite communication. These frequency carriers are allocated for different uses based on various requirement ...
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240 views

Determine what a company is googling

Let's say that a fictional company, AwSemCo, discovers that a published vulnerability "CVE0day" affects their systems and they immediately start investigating it. They go to the web looking for a ...
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How to get user information from an IP address? [duplicate]

A spammer is harassing my friend and she doesn't know who. With some struggle, I found out the spammer's IP address. But I don't know how to proceed after this. She says she doesn't want to move ...
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Computer name naming convention for security

I've been doing a security audit and found out you can easily identify host roles and running services just by their computer name (using nslookup). I would like to report this so that they use less ...
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1answer
168 views

How Dirbuster find the files within a directory? (Differentiating between files and directories) [closed]

I am writing the python code of DIRBUSTER tool in kali linux but I got stuck at finding files that lies within directories. So my question is how can I differentiate between Files and Directories ...
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126 views

Information gathering on website [closed]

I'm pretty new to pentesting and everything about it. This question is primarily for web servers. I'd like to know for you pentesters out there, what information are you looking for when you are ...
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1answer
561 views

A third party Web site wants me to validate my domain ownership using a TXT record

What are the security risks with adding TXT records for third party tools? Can they get any information back from your servers with adding that record for them? The example below is from the "have i ...
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1answer
73 views

How to access a system without sending malicious program to victim sytem [closed]

Is their is any way to access a system without sending any malicious program... Suppose I have my pc with an internet connection and with the victim ip so can I access the victim system if tcp ports ...
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2answers
108 views

Is using a network sniffer for host discovery a viable option?

Would a packet sniffer like tcpdump be effective for network host discovery and if so how effective is it compared to more active methods such as the infamous network mapper nmap?
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1answer
79 views

Does it exist any gadget that catches and copies all the digital information?

When I was watching Prison Break there was a device that was catching all the digital data and copying it. Do similar info-gathering devices really exist? The device must be within several feet of ...
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81 views

3rd Party trackers and online privacy

I don't feel the internet is respecting our individual right to privacy. Why are 3rd party trackers allowed to siphon data from us without our permission? We should selectively be able to reveal what ...
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120 views

Personal or computer information stored in a freshly compiled executable

I would like to know if there is any information that can identify a computer or a person that compiled a program (let's talk only about c++ on visual studio, windows , with no particular library). ...
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Is there a security issue with fit4less requiring bank information and not simply card number?

When I set up timed payments I tend to prefer setting them up through my credit card. As this tends to be more reliable in case of over charges, etc. For example spotify goes through my credit card. ...
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569 views

XMAS Scan vs Inverse TCP

Whats the difference between a XMAS Tree scan and an Inverse TCP scan using the FIN, URG, and PSH flags? Are they the same thing? XMAS Tree scans are designed to manipulate the PSH, URG and FIN flags ...
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Is it poor practice to use the last 4 digits of a social security number as an identifier?

Is it poor practice to use the last 4 digits of a social security number as an identifier? The last 4 digits of a person's social are commonly used as a means of personal identification/...
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759 views

information gathering on a person [closed]

How would a hacker go about gathering information on a real person with a minimum amount of details about him? Details known: Name Face
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200 views

How to identify the vulnerabilities in a target computer?

I ran an exploit on the victim and used a msfvenom payload. I am on the victim's computer but I have not the root privileges. I tried to use getsystem command for getting privilege but it failed. So ...
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320 views

What are the security issues of exposing default server home page in public internet?

I have seen on internet where several website companies have exposed the default home page of web server such as Tomcat, NGNIX, Apache web server. I always believe it is not the best practice to ...
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1answer
5k views

Using android auto in a rental car

I've started using rental cars frequently for work and android auto has apparently become common enough that many of the cars I rent have it built in. It could be helpful to me even over the short ...
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1answer
158 views

Which protocol could have been likely candidates for leaking a laptop serial number

Having read this article, one line in particular caught my attention: The AFP raided the boy's family home last year and found two Apple laptops with serial numbers that matched those of the ...
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1answer
257 views

SSRF when user input is appended to hostname

Is it considered a SSRF vulnerability (or is it dangerous at all) if the backend of an application fetches a URL that is somewhat based off of user input, in a way similar to this get("https://...
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107 views

How to trace who sent mail with attachment

Yesterday someone emailed me a malicious .bat script. I have his email (he used Gmail) and of course I can't track him using mail header. So I checked the .bat file details but I only see my ...
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149 views

Stack behavior on function call during a format string exploit

I have some issues trying to resolve a war game with a format string vulnerability. So here is the code of the program: #include <stdio.h> #include <string.h> #include <stdlib.h> ...
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150 views

How sensitive is information on a system's architecture? [closed]

How much easier would it be to break into a system if you knew the following information? Processor architecture / family Operating system Libraries used Application programming language Standardised ...
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2answers
128 views

Business Partner Information Leaking

I just went through a penetration test, and what was wierd was we had a comment back about a potential data leak via DNS snooping (I realise this is boiler plate, and also this is an internal only DNS,...
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1answer
95 views

Found scam site that tricks you into giving them more contact info to remove your existing public info [closed]

I found a site where they display your political registration info (which includes contact info) that was requested from the government. If you find your contact information from this site, do NOT ...
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1answer
2k views

Should OS information be in DNS?

We are having an internal discussion about system naming conventions and there is a disagreement about including the type of OS a system is running in the DNS host record. One suggestion was to ...
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1answer
1k views

What information is in a gpg cleartext signature?

What information does a gpg2 signature contain? If you clearsign an empty file, the signature looks like this: -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 -----BEGIN PGP SIGNATURE----- Version: ...
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1answer
1k views

How to secure erase files and folders? [duplicate]

How to securely erase/delete files or folders in different file systems (NTFS, ext3, ext4) ? Need to delete files so it will be impossible to recover that files and no traces of metadata and traces in ...
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1answer
91 views

Autofill on (untrusted) websites

Consider a website using https which presents a login form on the home page. Today I visited such a website, which I have a login and password for, and for the first time I was presented with a ...
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2answers
185 views

The requirements of gathering information data without any limits? [closed]

It's a well known fact that phones, computers and other devices can be tracked and be used as a means of collecting user information if the situation permits it, for example in crime investigations. I ...
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1answer
585 views

How does GPG2 --verify knows who signed a file and how? [closed]

When I (clear)sign a file, the output is something like this. $ gpg2 --clearsign test $ cat test.asc -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 This is a test! -----BEGIN PGP SIGNATURE----- ...
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3answers
219 views

If my data is encrypted with a password, how does the website know me?

Perhaps I am under the wrong impression, but I thought that my password encrypted all of my sensitive data on a website. Let's take Gmail as an example. What I would hope, is that without my password, ...
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1answer
90 views

What files yield the most useful information when an attacker leverages a memory vulnerability?

I'm trying to understand what information is left behind after an attacker exploits a vulnerable application leveraging a memory vulnerability (overflows, ROP, etc.). I wanted to know: What are ...
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242 views

Do the 'bad guys' create honeypots?

I know companies, governments, and other organizations create honeypots (ex: SQLi pages, Open Access Points, Open Ports, etc.) to lure in the bad guys. Are there any examples of the bad guys creating ...
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80 views

Trojans, APTs and IP Theft

If I were a CEO of a company making a revolutionary hi-tech widget and all of my firms profits were generated with this product. I would be very aware (read scared...) that the a foreign entity might ...
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982 views

​ Organizing information during a pentest [closed]

​ Currently I'm on my way to becoming a full time pentester, which means I do a bunch of CTF challenges and try to break labs that have been set up for me. The only issue I'm currently facing is how ...
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3k views

What lessons can be learned from the latest spate of Ransomware attacks? [closed]

I'm not sure this is the right place, but figured people would find it useful if they aren't too familiar with security policies and general best practices. There is a lot of information out there, ...