An attempt by a threat to exploit a weakness in a system.

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1answer
173 views

Hacking Gmail with 92 Percent Success - Does popular GUI framework designs reveal UI state change ?

The media has been claiming for the last 2 days that GMail can be hacked . http://www.cnet.com/news/researchers-find-way-to-hack-gmail-with-92-percent-success-rate/ They have based their ...
0
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1answer
41 views

Context-dependent attacker

In the context of the following statement what is meant by context-dependent attacker? The MySQL Client contains an overflow condition in client/mysql.cc. The issue is triggered as user-supplied ...
11
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7answers
2k views

Can hackers detect my operating system?

I've seen people demonstrating the use of backtrack to attack VMs. In one of the components of backtrack, it shows the operating system of the targets. Since support for Windows XP is ending soon, i ...
4
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2answers
1k views

Extract AES key by comparing plaintext and encrypted data

Is there a kind of analysis which would enable me to get AES key which was used for encrypting arbitrary data while I have both original and encrypted version of data ? The problem is that the AES ...
0
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2answers
79 views

Do dictionary attacks only use specific entries from a dictionary, or combinations of an entry?

If I wanted to crack a password, "cba", but the dictionary I was using only had abc in it, does a dictionary attack try all combinations of abc? abc, acb, bca, bac, cba, cab Or would cba have to be ...
0
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1answer
49 views

Basis Authentication Protocol: a concrete attack

Below is an informal protocol narration of a simple authentication protocol. A sends to B a signed hash of message M, B's name and a nonce N. B knows that the message M is intended for him, that it ...
2
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1answer
69 views

How to deal with misbehaving clients on an authoritative server?

My coworker and I are developing an authoritative server for an MMO. We can't agree on how to handle "misbehaving" clients. Misbehaving, in this case, means clients who send "odd" requests that might ...
1
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3answers
187 views

As a non-security professional how should I respond when told my site is insecure?

We have a website, and somebody wrote us an email claiming we are insecure! What should I do
7
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3answers
5k views

What type of attacks can be used vs MongoDB?

I'm starting to learn MongoDB and was curious if it was susceptible to some type of injection attack similar to SQLi. Due to the nature of the DB, I don't think you can inject into it but... What ...
2
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1answer
295 views

How difficult is the USB firmware attack? [closed]

Not really new but it's all over the news right now. You can hack a USB firmware to run an attack by emulating a keyboard. I wonder how difficult it is create an USB thumb that emulates a keyboard. ...
0
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0answers
162 views

My Ipv6 is under attack by the smurf6?

when i go to whatsmyip.org under my host name i get "Your.Ipv6.Is.Under.Attack.By.The.Smurf6.Info" what does this mean? I'm using private internet access as my vpn so i'm guessing PIA is under some ...
1
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2answers
690 views

Was I a victim of an “Apache PHP Remote Exploit” attack?

I have a server in my computer for testing purposes, accessible from the outside. I was reviewing the access.log file, and I saw 89.187.33.50 - - [29/Mar/2014:03:39:01 +0100] "HEAD / HTTP/1.0" 200 - ...
3
votes
4answers
642 views

does switching to linux remove existing computer virus

if you change from a malware/spyware infected windows setup to a linux setup will infections migrate to linux if they were on the computer? (when you are hacked/infected is it the op system that is ...
0
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1answer
34 views

Antivirus false positive

I'm adding new features to an old Borland C++ VCL application using Borland 2006 IDE. I'm finding that upon adding a single line of code, and building, the exe is being quarantined since Sophos is ...
1
vote
1answer
106 views

How common are mitm attacks behind an ISP?

Yes. Of course using https everywhere is best. But sometimes that's not an option. In those cases, I'd like to make an informed decision. Is there any information about their prevalence? Or would that ...
28
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20answers
4k views

How can I prevent my kids from bypassing my computer restrictions?

My son has a downloaded copy of Ubuntu that he uses to "break" into my computer, bypassing Vista. I have two questions: Can this damage my computer or corrupt my files? (I have lots of pictures) Is ...
1
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2answers
82 views

Is there any way to log in with a hash?

I've understood that the following steps are taken when I log in to a site: 1. My password is hashed 2. The hash is compared to what's stored in the database. 3. If the hashes are equal, I can log in. ...
0
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2answers
303 views

What service could penetrate my Firewall via UDP on Port 17275?

Has anyone monitored various requests from all over the world on Port 17275 via UDP? My firewall logs show huge amounts of such requests from lots of different IP Adresses. I can't find any ...
3
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2answers
1k views

Reverse shell connections

Why are reverse shell connections so popular in the event of a successful intrusion? Many "hacking" videos show this and it is often seen in practice. Would not most servers restrict outgoing ...
0
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0answers
90 views

Perform THC-Hydra Dictionary attack on Microsoft forefront TMG login

I work as an IT consultant in a High School. Recently, a student was able to gain access to a teacher's account on the school intranet. When questioned, he simply stated that he "hacked" the system ...
0
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0answers
125 views

Apple ID phishing lead to my router infected?

For future visitors, I will try to be as general as possible, but I must include details to give you a full picture. As my Apple ID's security email address belongs to my brother, he forwarded an ...
6
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2answers
5k views

Testing SQL injection using sqlmap

I'm just started using sqlmap ( http://sqlmap.sourceforge.net ) to test for possible sql injection attacks. I got a website which is vulnerable: C:\Python27>python xxx\sqlmap\sqlmap.py -u ...
2
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1answer
103 views

How to detect if a user is logged in to a specific website?

I just learn about tabnabbing. Tabnabbing is a computer exploit and phishing attack, which persuades users to submit their login details and passwords to popular websites by impersonating ...
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1answer
73 views

Prevent Replay attacks via timestamp while client clock is not adjusted [closed]

I'm going to send my timestamp to server and server will check if it is in a given interval. What if My mobile clock is not adjusted (say it gives 2:00 pm while now it is 2:00 am). now I lost the ...
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2answers
55 views

Is it possible to implement a secure game without having a reliable arbiter?

N players are playing a perfect information game (the kind of game where everyone knows moves of everyone) by making moves by turn (P1, P2, ..., Pn, P1, ..., Pn, ... till the game will finish). Game ...
0
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2answers
72 views

How would you construct an XSRF attack using an iframe?

I know that you can easily trigger a series of POST/GET to a target website using an iframe as I have done it in the past to manipulate session variable on my sites. My question is more about : what ...
2
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1answer
419 views

Norse: Cyber Attack Map

This application analyzes web traffic and then beautifully displays attacks on a global map. How does it intercept web traffic so it can analyze it? Isn't web traffic private to everyone except to ...
0
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3answers
102 views

Is This A Website Attack/Vuln Test?

I have a specific IP that has been iterating through the directories on my site testing for something. Here is an example of what it keeps trying to hit: ...
1
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0answers
100 views

Anyone seen weird messages in their logs?

I've been reading over the logs on my honeypot and discovered the following messages that seem to be either gibberish or a cypher message: kernel: v0 neigfradn tt kernel: [2108296.63083] devc nt nee ...
2
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2answers
326 views

I've found security vulnerability in current linux distribution. What next?

I've installed ubuntu server 12.04 on VM two weeks ago. I've created regular snapshots. XXX time ago I've noticed unusual activity and I've found that a backdoor was installed into my server. One of ...
7
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1answer
327 views

How to stop password recovery attempts on accounts?

I am using social networking services such as My Banking GMail PayPal Facebook Twitter Google+ LinkedIn All of these services text messages me a six digit code to login from anywhere, even a ...
0
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0answers
96 views

How to avoid cloaking attacks?

A few days ago, we found a lot of web pages on Google with the name of our web sites, for example http://website.com/public/our_agency_name.asp. Every day we find more of this kind of URL. Looking ...
1
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1answer
188 views

When SSL detect a replay attack?

Suppose an attacker records all messages of a SSL handshake (RSA one-way), and starts a replay attack. When (after which message) can the server possibly detect the attack? Now suppose the attacker ...
1
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2answers
306 views

How to prevent attacks to server

I have 3 CentOS server configured for my applications. Recently I recognized that there is so many attacks to my servers. I have so many logs about attempt to login to my servers using sshd from ...
1
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2answers
123 views

Forced to use using 2-Step Authentication to keep online profiles safe?

I am starting to see a majority of services, websites, and social networks offering the 2-step Authentication like crazy now to protect their users. Also, after reading how the Twitter Account N was ...
76
votes
8answers
81k views

Can webcams be turned on without the indicator light?

I want to know how secure I am. I've made a series of pentests in my network and one of the things I've tried was to record webcam and microphone. Recording an end-user's microphone seems to be a ...
2
votes
1answer
229 views

How are Ajax requests vulnerable to CSRF attacks if the Same-origin policy is applied?

What I know about CSRF is that a malicious website tricks a normal user into issuing a request to a trusted website using a form. I understand that is possible because we can post forms to different ...
3
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4answers
3k views

Is there a method to detect an active man-in-the-middle?

Suposing an attacker that has gained access to the router. Is there a way, for the victim, to notice that is being attacked? I think one of my friends is a victim of this kind of attack. How can I be ...
3
votes
2answers
104 views

WHOIS Contact Details Abused

The system for the internet and the way people can abuse it is getting worse and worse. I am having several issues with people abusing the information within my WHOIS, which if I remember is protected ...
3
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3answers
278 views

PHP IP check as security?

Would just like some input on a PHP script I'm writing. It's just a simple script that only myself should be able to access. I don't have a dynamic IP address, so this isn't an issue for me, but I'm ...
7
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5answers
4k views

How To Protect Tomcat 7 Against Slowloris Attack

I'm using Apache Tomcat 7 to run my webapp on Linux. I scanned it by Acunetix and it's telling me that my webapp is vulnerable to "Slow HTTP Denial of Service Attack". How can I protect it? Acunetix ...
0
votes
1answer
96 views

My Control Panel and online IP addess tools report different results for my IP address [closed]

Control Panel says it's 192.168.1.1; Google, whatismyipaddress.com etc. says it's 75.92.141.32 When I put the IP address reported online in my address bar I get a Nokia login page, but my ISP is ...
3
votes
1answer
160 views

SSH MITM attack underway

UPDATE: The source of this problem has thankfully turned out to be a buggy mobile SSH client used on 2 different devices not a MITM attack. However, I'd still appreciate a full answer to the original ...
0
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0answers
32 views

Hashing / How easy is it to infer the original input if the a slight variation of the input, the hash result and the hashing algorithms are known [duplicate]

Given that I have an initial input that is publicly known (e.g. "ABCDEFGHIJ") a slight variation of (1) (e.g. "BACDEFGHIJ") that is used as the input to a hashing algorithm (3) an modern one-way ...
0
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1answer
57 views

Attacks to jump from SQL server to Web server, without direct network access?

Considering that I have a structure like the following, allowing only the TCP and UDP ports for SQL to be accessed. Specifically no traffic initiated from SQL is allowed to reach SECURE. SECURE-> ...
18
votes
4answers
4k views

Security of passphrase-protected private key

If an attacker obtains a private key that was created with no passphrase, he obviously gains access to everything protected with that key. How secure are private keys set up with a passphrase? If an ...
1
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0answers
264 views

Akamai or Incapsula (or other) for CDN with DDoS Protection? [closed]

One of our clients is launching a new site and I've been tasked with making a short overview of the advantages/disadvantages of Akamai, Incapsula or other CDN providers who are strong with DDoS ...
57
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8answers
91k views

Where can I find good dictionaries for dictionary attacks?

I’m wondering where I can find good collections of dictionaries which can be used for dictionary attacks? I've found some through Google, but I’m interested in hearing about where you get your ...
5
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2answers
964 views

Is that possible? A router with arpspoof from factory

Just bought a 3G router from China and then checked the log: [1970-01-01 00:00:00] The system will be restored the factory value. [1970-01-01 00:00:00] The system current version: 1.0.5.1. ...
1
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4answers
99 views

Is it possible to block specific users that connect to the internet behind of same gateway with NAT?

Assume there are two internet users (A and B) that connect to the internet from the same gateway by using NAT. That means they use same IP address while passing through our firewall. Now assume we ...