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

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0
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1answer
105 views

My domain has got hacked/defaced by a group of hackers. What should I do next?

I don't know if this is the right forum to ask this but I have a domain hosted (shared hosting) on godaddy.com and it has been hacked/defaced by a group of Bangladeshi hackers. Note that it is just a ...
-6
votes
0answers
44 views

I have iPhone 6 plus - can my boyfriend hack into my accounts? [closed]

I have iPhone 6 plus - can my boyfriend hack into my accounts using apps or anything?
0
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3answers
64 views

What does this snippet of code do exactly? found it inside a number of files on my webserver [on hold]

Okay so I found some PHP code as I was randomly editing a website I've had for a very long time and I have noticed this: <?php #2b8008# error_reporting(0); @ini_set('display_errors',0); ...
26
votes
1answer
2k views

What is an n-day security attack?

There are several attacks types in computer security. For instance, zero-day attacks consist of attacks that use undisclosed exploits. In contrast, what is an n-day attack? Is it a security concern?
1
vote
1answer
112 views

Break in attempts from secureserver.net

Over the last few weeks I have seen dozens if not hundreds of break-in attempts from ip addresses which map back to secureserver.net. I know these are GoDaddy machines from the who is look up. ...
1
vote
2answers
46 views

Potential worm damage on a physically isolated Tor system

I'm setting up a physically isolated Tor system (with one computer serving as the workstation and another as a Tor gateway), and I'm concerned about methods a worm could use to infect my OS. In the ...
0
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0answers
50 views

Buffer overflow and register contents?

I am doing an exam practice question, suppose I have a function like; void func(char* arg) { char buf[32]; strcpy(buf, arg); } command break func: -buf begins at 0xbffebfb0 -(gdb) x/2wx ...
0
votes
1answer
121 views

Which systems in a network are able to spoof a TCP handshake?

I am reviewing for my final exam tomorrow, I came across a past exam question. An attacker wants to initiate a TCP handshake with a target to make him think E initiated it, attacker knows IP ...
0
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2answers
107 views

Would my protocol be safe?

Suppose I have a protocol like the one below between users A and B; -A sends random nonce G1 to B -B sends back hash_k(G1) and random none G2 -A verifies hash_k(G1), then sends back hash_k(G1 | ...
0
votes
2answers
49 views

Is there any possibility that a trusted CA can perform a man in middle attack? [duplicate]

Is there any possibility that a trusted CA can perform a man in middle attack? Since the CA certificate is installed and trusted by the browser it will never raise a warning message. Hope my doubt ...
-2
votes
1answer
52 views

Are exploits 1:1 with vulnerabilities? [closed]

I know that for the most part, there are some small differences between thoughts on a lot of matters in terms of definitions in security. What I am asking about is whether exploits are considered to ...
0
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0answers
26 views

Apache.exe trojan attack on xp server, wiped it with a linux install am i safe? [duplicate]

Hello I ran a apache web server on a windows xp pc on my home network. My antivirus picked up an attack, but didn't prevent it. It seems I had a Trojan attack on my apache.exe that got through. I know ...
-7
votes
1answer
87 views

How to attack on a web page to gain username and password? [closed]

In a situation where a web page is not using SSL and someone wants to attack to gain the username and password. How it can be done? Given the situations: Passwords are not stored in plain text. ...
-2
votes
4answers
170 views

My wifi has been hacked [closed]

The hacker has complete control of my computer; opening and shutting programs at will. Deleting files that display the remote user ip address. We have changed the password several times; but no ...
18
votes
5answers
2k views

The Perfect Mousetrap - Can a sandbox system be designed such that it's identical to an actual computer? [duplicate]

In testing suspicious files for malware, the typical method is to search for known malicious code. This is why zero-day malware attacks can be so dangerous — their malicious code is previously unknown ...
0
votes
1answer
100 views

What are the main differences between a Metasploit vulnerability/exploit attack and a “R.A.T.” attack?

I explain myself: To attack with a vulnerability & exploit it with Metasploit, you have first to find a vulnerability listed. Then once you have it, you set up the whole thing and end up with a ...
1
vote
3answers
106 views

What type of attack is this?

Attacker purchasing something from e-store when attempting to tamper with requests and change the transaction amount value. What type of attack is this? How to prevent this kind of attack as the bank ...
3
votes
2answers
119 views

Are cars with keyless proximity-based entry protected against range extenders?

Some cars unlock whenever the key fob is within a certain distance. Do such systems generally guarantee the maximum distance in a secure fashion (namely, by requiring the fob to respond within a ...
1
vote
0answers
31 views

How to disable Symbolic link creation option to users in cPanel server? [closed]

In shared hosting server, one user is trying to upload 100s of symbolic link files and trying to access files out side. Mostly it is for malicious purpose. In this image, you can see 100s of symlink ...
1
vote
0answers
109 views

Deobfuscated Malicious PHP Code Comprehensively [closed]

I found 3 php files in a htaccess-password-protected upload folder on my server: 1. default_folders.php 2. factory.php 3. HMAC.php Each of them contains a variable string, eg: ...
0
votes
0answers
37 views

Slow internet, IP Flood? [duplicate]

Lately, I've been getting slow internet. I checked wireshark and noticed I keep receiving in matter of seconds thousands of UDP packets that my computer does not respond to, and here's the twist: ...
2
votes
0answers
25 views

Information on the Elderwood Project/Platform [closed]

I've read Symantec's whitepaper on the Elderwood Project and the blog update on the Elderwood Platform. They both make for a very interesting read, especially in the zero-day exploit meta-analysis ...
3
votes
1answer
77 views

(httpd log files) What kind of attack is? How can I prevent it? [duplicate]

In my log files I see hundreds of these registers. I have to say that the client ip changes sometimes. So there are 3 or 4 ips sending this requests... The othersite.something (that I ommited) is ...
1
vote
2answers
91 views

Is Great Cannon essentially a JavaScript injection attack?

I was reading an article on Great Cannon at Ars Technica (http://arstechnica.com/security/2015/04/meet-great-cannon-the-man-in-the-middle-weapon-china-used-on-github/) and it seems to me that this is ...
0
votes
1answer
33 views

DNS resolution attacks by flooding spoofed replies

Each DNS request has an ID of 16bits. In the event that an adversary is unable to sniff the query, a way to spoof the DNS reply is to flood the resolver with many replies. Request from victim Query ...
0
votes
0answers
25 views

Does NDP (Neighbor Discovery Protocol) reduce ARP (Address Resolution Protocol) attacks?

I read the comparison of NDP with ARP but am uncertain if NDP does reduce any amounts of ARP attacks, given that with NDP, ARP is not used for address resolution. For the discussion to be specific, ...
3
votes
1answer
100 views

Enterprise Security : Where to Start? [closed]

I am trying to start self studying of Enterprise Security Context, but always feeling kind of lost among all the specs and standards etc. Unlike software development, this really is a challenge as far ...
4
votes
2answers
51 views

What's a term to describe multiple shoulder surfing attacks to uncover different parts of the password?

Is there an existing term that describes shoulder surfing attacks where the adversary observes a different part of the password each time, to eventually construct the whole password? An example ...
3
votes
1answer
262 views

Is my server being used as a proxy or being attacked?

I have an Ubuntu, Apache, Passenger, and Rails 4 project on AWS EC2. I am a beginner full stack developer and am unfamiliar with the security and server side of my project. Recently, my site was ...
2
votes
2answers
64 views

Classifying Reflected and DOM-based XSS

Having referenced Difference between DOM & Reflected XSS , I observed that certain attacks could be both DOM-based and Reflected XSS. I wish to find out if my understand is accurate, or they ...
0
votes
2answers
143 views

How to exploit Open Redirect Vulnerability?

Redirect/Forward attack code: <?php $redirectUrl = $_GET['url']; header("Location: $redirectUrl"); ?> exploit (Sends user from your page to evil page) : example.com/?url=example.com/faq.php ...
1
vote
1answer
154 views

Is my ISP hacking me? [closed]

Today I was trying to enter my routers admin page. I put the default IP address starting with 192.168. I couldn't login so ran ipconfig, and I discovered that I was assigned a Class A address. I was ...
4
votes
1answer
70 views

Security risk: Digitally sign communications for SMB

I have a computer (Windows) on a network where an industrial process is controlled. There is an option in Local Security Policy >> Local Policies >> Security Options >> "Microsoft network client: ...
6
votes
2answers
53 views

Could an attacker prevent IIS from logging requests

I've had an attacker try to gain access to one of my websites through a form using what looks like a blind SQL inject. It is a huge form, and every possible permutation of values has been tried - in ...
1
vote
3answers
127 views

Trouble understand login vulnerabilities

I'm testing my own web page with the following vulnerabilities. #1: Form escapes ' to \' So if a user tries to enter the following information: username: 'or'1=1 password: m username will ...
2
votes
1answer
41 views

DNS Rebinding attack - does this attack require victim to use an attacker's DNS server for resolution? How will that happen?

Usually a preferred DNS server will be set in router's configuration and it will be either the organization's server or some trusted public server. So how would attacker get the victim to use his DNS ...
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votes
3answers
120 views

Is it possible to perform a MITM attack with a smartphone?

Will be possible to perform a MITM attack using a smartphone? If yes, that is very dangerous. Is it really a danger attack? Shorted : Is possible to perform a useful MITM attack to a victim using a ...
0
votes
1answer
190 views

Router detecting constant ack flood attacks and port scans

I first noticed this yesterday in my logs - while I was configuring the router settings, so I don't know how long it's been going on. What should I do? I reconfigured my router with more secure ...
1
vote
0answers
66 views

How can I launch DHCP starvation attack in WLAN?

In WLAN, due to MAC association on Access Point (AP), I can't send the DHCPDISCOVER messages using random MAC addresses. But if I keep my original MAC address as the source ethernet MAC a and random ...
1
vote
1answer
123 views

Detecting web app attacks by parsing log files [duplicate]

Following up on this question as the answers are now 5 years old: Can I detect web app attacks by viewing my Apache log file? My boss has tasked me with analyzing our access.log and error.log files ...
2
votes
4answers
205 views

What would you call an attack where authenticated user modifies other users information on web app?

Authenticated user on web app, using other people's id to update or change their information. So basically the web app is not checking for person who is logged in against the person who he/she is ...
3
votes
1answer
85 views

How it is dangerous that the ntp service listen to all IPs on Linux?

When I run the following command I get that the following output: netstat -atpun | grep ntp udp 0 0 172.16.0.1:123 0.0.0.0:* 7734/ntpd udp ...
4
votes
1answer
450 views

POODLE and TLS…not SSL

In December there was a new attack surface of POODLE against TLS 1.0 (think this also covers 1.1 and 1.2?). Anyway, as a system administrator for Windows Server 2008/2012 what can we do do prevent ...
2
votes
1answer
94 views

Prevent cold boot attack on running laptop by overwriting ram [closed]

I'd like to use my laptop as a recording device when I leave home, but there would still be the possibility for a cold boot attack or with DDR3 RAM even warm boot attack is possible as I have read. ...
-2
votes
1answer
130 views

Possible Injection to PHP PDO

Expert says that PDO is one of secure scripting from mysql injection. I have read the manual about it and do some little research. And here, I'm trying to get ID value from URL paramater, as in: ...
2
votes
1answer
53 views

What sort of attack can reset MySQL Privileges and unmount remote drives without root or shell?

ATTACK VECTOR Monthly hits via a globally DDoS attack. Resolved with Cloudflare. Attacker can now somehow unmount network drive links and reset MySQL user permissions for applications. Attack is ...
9
votes
4answers
5k views

In light of the FREAK TLS vulnerability, why do so many servers still offer RSA-EXPORT keys?

Ars Technica is reporting on a new attack against HTTPS. Called FREAK, the devices reported as vulnerable include iPhones, Android devices, and Macs running OS X. The attack (as has been clarified ...
3
votes
1answer
70 views

Ideas on how I can fragment captured network traffic?

I am trying to create a lab environment where I can analyze common IDS solutions (starting with Snort specifically) and their ability to reassemble fragmented IP trains. I have a collection of ...
0
votes
2answers
60 views

Does preventing buffer overflow attacks prevent ROP attacks?

Would preventing buffer overflow attacks prevent Return Oriented Programming (ROP) attacks?
1
vote
1answer
69 views

What are the traces of a mysql attack on a server when the attacker has full permissions?

I just turned my server off yesterday, after it began to distribute comment spam across the internet, at an astounding rate over 70 "spams"/min, bottom of the line 1/2 gig ram VPS. I'm still trying to ...