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

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0
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1answer
63 views

Open source alternatives to tamper data

I'm developing a browser(firefox) plug-in which essentially checks for malicious input. My current approach is to store all input fields sent in GET/POST requests, try to heuristically determine ...
-4
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0answers
37 views

Pentesting in PHP [on hold]

I intend to learn PHP and servers (I am oblivious of all web technologies currently, despite working as a programmer). My current progress is querying client's IP and ISP using $_SERVER['REMOTE_ADDR'] ...
1
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2answers
102 views

I was hacked, but I don't know why [on hold]

Tonight I found by accident that someone had injected a bunch of crap links into the bottom of my personal site's index.html page. I thought it was a script at first, but after going into my FTP ...
1
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2answers
56 views

Is a server absolutely safe if the attacker don't know unknown bug?

If a server installed all patches for known bugs and the attacker can't do a 0-day attack, then is the server absolutely safe?
0
votes
0answers
36 views

Victim loses Internet connection during MITM attack

I tried to do MITM attack on my network. I enabled ettercap, marked my router as TARGET1 and my second computer as TARGET2. Then I enabled 'ARP Spoofing'. I do not know why - but after this operation ...
0
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0answers
18 views

Cracking WPA2 using Intel HD Graphics GPU [migrated]

I use Linux Kali and yesterday have captured a WPA handshake of my network. I want to crack it's password - but my CPU with aircrack-ng checks only about 2000 keys per second. In my laptop I have got ...
0
votes
1answer
99 views

How is Cross Site Flashing performed?

I read about cross site flashing in the OWASP testing guide. I know the difference between XSS and XSF. But what I am looking for is how attackers perform a XSF attack. How is it possible since there ...
1
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2answers
49 views

bscrypt,scrypt v/s iterative SHA-x [duplicate]

Both bcrypt and scrypt hashing algorithms are designed to increase the resources required during the computation. Hashing passwords with these algorithms can be beneficial as it makes the task of an ...
2
votes
1answer
51 views

Is return oriented programming applicable to pure Java code?

I'm interested in ROP in the context of Java. For now, I don't consider the native code of the Java virtual machine. Is return oriented programming applicable to pure Java code?
-2
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0answers
32 views

What is a DNS poisoning attack and how does it work? [duplicate]

So first of all is it the same as DNS cache poisoning? It's mentioned in this article http://www.infosecurity-magazine.com/news/sites-damage-china-blocks-edgecast/ in the second paragraph and would ...
3
votes
1answer
609 views

Are passwords stored in the cookie? encrypted?

Whenever I connect to security.stack.exchange, I am automatically logged in. I haven't allowed the browser to store my password. When I delete all cookies stored by the security.stack.exchange, I have ...
4
votes
1answer
75 views

Use of JavaScript by LastPass to encrypt & decrypt the password database a secure approach?

LastPass is a top-rated password manager that comes as a browser extension and uses a master password to encrypt and decrypt the password database using the JavaScript. Is this a secure way of doing? ...
16
votes
2answers
2k views

JavaScript Injection using Man in the Middle Attack

Suppose I am connected to a wifi-hotspot hosted by a malicious attacker. Further, suppose that I am accessing a login page of an fictitious email site tmail.com over insecure HTTP connection. My ...
2
votes
1answer
294 views

Facebook iOS SDK Authentication

The Facebook iOS SDK only needs your bundle & app IDs of your iOS app to match those of your Facebook app. If I find out an app's app ID, can't I just create another iOS app with that app's ...
2
votes
1answer
93 views

While logged in to Google etc., can a malicious site discover my ID?

If I visited a malicious site while being logged in to Google, Hotmail, Facebook, or Twitter in the same browser window, how hard is it for the site to discover my account IDs without my explicit ...
2
votes
1answer
89 views

Is it possible to get malware through an incoming video/audio stream? (e.g. Omegle, Skype etc.)

just a quick question. Is it possible for incoming video/audio streams to contain malware etc. through exploits in the transfer of the video/audio? Thanks in advance.
3
votes
1answer
294 views

Can I perform WEP cracking from several laptops against 1 AP

I have successfully being able to perform WEP key cracking attack using aircrack tool. I want to allow my students to test this in a lab environment. They will be working fro their own laptops against ...
1
vote
1answer
55 views

Force DNS to attach bad IP address

The question is not professional, but what I'm trying to say is... Is there any way to inject or force the DNS server to attach/change an IP address for some site. For example, I'm running an apache ...
1
vote
0answers
40 views

Backdooring vulnerable lighttpd installed on wireless AP [closed]

I have an AP at home and I'm trying to secure it as much as I can. I found an bug by accident. My AP has 3 ports opened: 22/ssh 53/dns 8081/blackice - icecap What I found is that my port 8081 ...
5
votes
3answers
192 views

Can anyone be hacked?

I have often heard that if you are the target of a directed hacking campaign by say, a team of government hackers (whether Chinese, NSA, etc.), there is no way to prevent being hacked if they highly ...
0
votes
2answers
156 views

When MBR pirates grin as an indication of absolute pleasure!

Someone, have no idea who, really worked my computer, and placed some rootkit, all-knowing, all-smashing malware something and I simply cannot keep Windows OS clean in a multiboot configuration with ...
3
votes
1answer
96 views

SSD Self Encrypting Drives - Setup / warm boot bypass

I've seen folks deploying the SED on laptops recently. I've discovered that there is a setting in which you can do a warm boot and NOT require the bootup password to be put in again. Which makes ...
1
vote
0answers
174 views

How does an attacker authenticate to a service using just the hash of the user (after performing a pth attack)

Let's say the attacker got the username and the password's hash. How can he use it when authenticating to some service in its domain with NTLM , for example? How can he send the request as the ...
0
votes
2answers
230 views

Is there any way for me to trace the TeamViewer ID of a machine that hacked in?

I am wondering if there is any list I could access to find TeamViewer ID's, as the police are not being helpful about this.
77
votes
12answers
11k views

What is different about being targeted by a professional attacker?

It is often said that security tools such as firewalls, antivirus programs, etc. are only effective against random, untargeted attacks. If you are specifically targeted by an intentional, professional ...
2
votes
2answers
680 views

Can Poodle be fixed in SSLv3 or will it go the way of TLS compression?

Is TLS_FALLBACK_SCSV going to be the fix for servers that wish to keep SSLv3 enabled? If not what actions are being taken, if any, that address the vulnerability besides disabling SSLv3?
1
vote
1answer
132 views

Devious Blind SQL Injection Payload

I came along this blind SQL injection time based payload and I need to understand how it works ...
7
votes
1answer
1k views

How do I stop attack on my email id from hackers?

We have an email id, info@<ourdomain>.com This email id is being hacked frequently and mails are sent from this email id, Following is the example of one such email. From: ...
7
votes
2answers
336 views

How stack smashing is prevented?

I just read AlephOne's paper on smashing the stack, and implemented it on my machine (Ubuntu 12.04), it was a bit old so had to take a lot of help from the internet but I enjoyed it. Now, I want to ...
184
votes
4answers
61k views

SSL3 “POODLE” Vulnerability

Canonical question regarding the recently disclosed padding oracle vulnerability in SSL v3. Other identical or significantly similar questions should be closed as a duplicate of this one. What ...
1
vote
1answer
418 views

Poodle - possible to protocol downgrade if SSLv3 is disabled but still have SSLv3 ciphers enabled?

My title pretty much sums it up. If I have: A server with the SSLv3 protocol disabled BUT still have SSLv3 ciphers enabled. Would that mean that a protocol downgrade attack can still occur?
1
vote
2answers
330 views

SSLv3 cannot be disabled, can I use weak cipher as a workaround?

We're using lighttpd 1.5.0-2349 which unfortunately doesn't support the option to disable SSLv3. I think a potential workaround would be to only allow it to use some cipher which has already been ...
1
vote
1answer
123 views

Clarification about the post: Russian hackers use ‘zero-day’ to hack NATO, Ukraine in cyber-spy campaign

I have encountered the following article on Washington post: Russian hackers use ‘zero-day’ to hack NATO, Ukraine in cyber-spy campaign. As always in such kind of articles the publication sounds ...
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votes
1answer
106 views

I need help on how to hack into a scammer computer via IP/DNS [closed]

I really need your help in this one. Today I got scammed by a "trader" for 100$, but I managed to get his IP, reverse DNS and Hostname but I am unskilled in hacking. I need help here, I just want to ...
28
votes
2answers
3k views

What actually happens in “low voltage fault attacks”

I understand they are an attack on crypto algorithms as implemented on various processors, but how do they work? The online papers are too complex for me to understand.
52
votes
7answers
13k views

SQL injection — but why isn't escape quotes safe anymore?

I haven't seen this question asked, and feel it's a valuable bit of information to have, especially because this is a huge source of mystery and confusion. Raw SQL When you're writing SQL -- for ...
7
votes
7answers
1k views

Facebook account keeps getting hacked, can't seem to figure out why or how?

One of my mate, she has a lot of friends on Facebook, uses it for marketing. Her account keeps getting broken into. Her password gets reset and/or gets locked for changing resetting password too many ...
-1
votes
1answer
45 views

How strong exactly is a 3gbps booter?

I heard some people talking about how they had a 3 gigabyte per second drddosser. That sounds all fine and dandy, but what can that actually do? Could it take down a website? To what extent?
0
votes
5answers
146 views

Are most MiTM attacks done to impersonate web sites, or simply decrypt traffic?

The more I read about impersonating web sites the more I get confused. Does an attacker need the private key of the server in order to impersonate a website or does having the private key simply give ...
39
votes
5answers
4k views

New XSS cheatsheet?

There is a great list of XSS vectors avaliable here: http://ha.ckers.org/xss.html, but It hasn't changed much lately (eg. latest FF version mentioned is 2.0). Is there any other list as good as this, ...
2
votes
5answers
5k views

Efficient way for finding XSS vulnerabilities?

Manual (reliable) way: Put string containing characters that have special meaning in HTML into some parameter of HTTP request, look for this string in HTTP response (and possibly) in other places ...
5
votes
2answers
342 views

Escalating from Apache shell to root

I have one noob question.I tried to exploit shellshock on my Slackware linux server, but after I connect with reverse shell and User Agent I get that I am apache user and apache user don't have too ...
1
vote
3answers
119 views

How do attackers find the database technology used by a web application?

These days there are several database technologies are available for data storage purpose. While performing injection attacks, how do attackers actually identify the database used by a website? If ...
1
vote
1answer
125 views

Can't I forge an SSL certificate? [duplicate]

I read What's keeping a malicious man in the middle server from forging a valid certificate?, but when the client goes to verify the certificate, can't an attacker intercept that connection and say ...
6
votes
2answers
2k views

What is the meaning of “something AND 1=0” command in SQL?

I have read somewhere that in SQL injection attacks the attackers use such keywords into application entry points. Whats the purpose of doing this?
1
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0answers
43 views

Kerberos v4 replay attack vs. sliding time window

Just wondering about a replay attack against Kerberos v4. So v5 has a replay cache that takes note of tickets to prevent replay attacks. Kerberos v4 does not have a replay cache, though. Say, I ...
5
votes
2answers
135 views

Strange escape codes in a GET request - is this a known attack?

I recently came across some entries in nginx's access logs that resemble the following: ##.##.##.## - - [24/Sep/2014:01:21:51 -0400] "GET /767/browser-wars-side-show-ho ...
1
vote
1answer
99 views

Worst-case scenario OPEN URL REDIRECTION and why google not covering it in bug bounty

OPEN URL REDIRECTION as per in my opinion can be proved very dangerous by crafting attacks such as phishing. But it seems like google thinks it as a very low level bug and does not provide any ...
1
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0answers
69 views

The simplest way to emulate TCP-IP protocol violation / anomaly attacks

Reading up upon security on web applications I did not found that much info on TCP-IP and in particular HTTP/UDP protocol violation / anomaly attacks. My question: What is the general mechanism of ...
8
votes
4answers
887 views

Can anti-CSRF token prevent bruteforce attack?

I am not much experienced with brute force attacks but I was wondering Suppose, you have a website www.example.com and you want to do brute force attack on that login form but that login form is ...