Hacking is the violation of server or network security via exploitation of weaknesses in that security.

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Someone tried to access a list of hundreds of standard website urls in a go, is it a cause of concern [duplicate]

I was just checking my website logs today and found that someone accessed my website for a list of hundreds of standard urls that almost every 3rd or 4th website developed on a standard platform ...
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1answer
26 views

Two different SSID's on the same chanel. Is it safe?

If I have multiple network, that have their SSID's on the same channel, can I go into monitor mode(of the wifi interface) and capture packets of the other SSID?
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2answers
38 views

EC2 hosting, trying to understand network security model

We are hosting few virtual machines at amazon. Security groups and other configurations are set up to allow access only from desired addresses and to desired parties. The machines do talk with each ...
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0answers
47 views

How to secure tmp directory from hard link attacks when host doesn't allow partitioning

I'm a new sysadmin in the making, have learned that I need to have /tmp and /home directories on separate partitions in order to prevent possibilities of privilege escalation through hard links based ...
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0answers
61 views

What kind of hacking attempt is this? [closed]

This past week, my traffic logs are showing many hits (usually with repeated tries) for a url from perhaps 30+ different ip addresses all over the world. This is not a url that should garner more than ...
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1answer
37 views

Securing the Django web site which is run with Apache mod_wsgi

I have made a website in Django 1.6 with PostgreSQL database which is hosted on Ubuntu 12.04.3 with Apache 2.2.22 and I have recently noticed lots of hacking (probing) attempts from various IPs ...
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3answers
270 views

Is this a security breach?

I have a server running Ubuntu 10.04LTS (I know it is too old), which over the last couple of weeks has on occasion been unresponsive to network traffic, and needed a hard reset first thing in the ...
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0answers
17 views

My server was used in a regBot attack [duplicate]

I have a Ubuntu 12.04 x64 web server that I only use to host downloads from my website. My website is on another server. I am the only person with access to the server. Today it was blocked by ...
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4answers
102 views

Random IP's constantly trying to connect to SQL Server

We are building a cloud-based application that relies on a login database as well as many individual client databases. Using rackspace we have setup a server (windows server 2012) with SQL Management ...
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1answer
77 views

Do cPHulk Brute Force Protection Settings Effect Hosts?

Question: Do my settings (shown below) prevent visitors from getting to any of the public web sites on my server if their ISP's IP Address has been blocked/black-listed through cPHulk Brute Force ...
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7answers
3k views

How can I block hacking attempts targeting phpMyAdmin?

My website gets thousands of hits daily from different IPs trying to access: /php-myadmin/ /myadmin/ /mysql/ ...and thousands of other variations. None of these directories exist, I don't even have ...
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3answers
567 views

VPS exploited for Bitcoin Mining. How to identify the flaw?

An ubuntu VPS I run to host a few basic websites seems to have had apache hacked for bitcoin mining. In my apache error.log I see the following. [Sun Dec 15 06:27:58 2013] [notice] Apache/2.2.22 ...
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1answer
45 views

“GET /assets/)!==t&&(e.html(e.data( HTTP/1.1” 200 3538 “-” “Java/1.7.0_25”

I'm seeing GET requests like: "GET /assets/)!==t&&(e.html(e.data( HTTP/1.1" 200 3538 "-" "Java/1.7.0_25" in my logs for a box hosting a Rails app. Looks suspiciously like someone probing ...
0
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2answers
61 views

login page permission has changed suspiciously [duplicate]

I have developed a website with php and apache server on linux centos I am not professional on security issues and I think some folks try to hack my website first please advice me which security ...
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3answers
117 views

Check IP who is visiting my site on nginx

I don't really want to know about this since I would like to keep it really private and give my visitor their privacy as much as possible (Not that my blog is popular though). I just installed Ubuntu ...
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0answers
77 views

LogonUI.exe process run again and again - is someone trying to hack us?

One of our win server 2008 virtual machines is constantly at 30% cpu. Looking at the task manager I notice that LogonUI.exe appears again and again, each time with a different process id (PID). It ...
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0answers
17 views

Fedora Core 9 Being Hacked? [duplicate]

I think I have a system compromise, with sudden perl process starting at the background with the same user as apache (daemon). I found today ZMUIE, which was script to do some sort of bruteforce ...
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1answer
99 views

My URL has been identified as a phishing site [duplicate]

Some months before ordered VPS at Ramnode According to tutorial (ZPanelCP on CentOS 6.4) http://www.zvps.co.uk/zpanelcp/centos-6 Installed CentOS and ZPanel) Today received email We are requesting ...
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1answer
110 views

Hacked website, code is encrypted in hex, unable to identify [duplicate]

my web site hacked and i am getting code in index page, but i am unable to find that where is the code in my web site... ...
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1answer
68 views

How to detect malicious script in my CentOS server? [duplicate]

I am warned from my VPS provider that my server sends a lot of SSH SYN Attack to other servers, but I have no idea how to deal with it. Here's the detail my provider sent me: Where can I find the ...
1
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1answer
87 views

Prevent user access to console but still allow svn+ssh:// access to SVN repos

I create an user john on my server and I add him into the SVN group so we can share our code and everything looks okay. Now I want to prevent this user from connecting to the console or shell via SSH. ...
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0answers
52 views

Automatic IPSec IP Blacklist

A new client of ours has a legacy web app on Win Server 2008 R2 and when we started diagnosing the event logs, there were multiple ip's in China trying to hit both their sa sql account and trying to ...
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2answers
62 views

How can i make my all webistes only accessible by browsers and not auto scripts

I have that my websites have been hacked by some auto running libwww-perl BOT/0.1 (BOT for JCE) and Gecko/20100101 Is there any way that my all websites are only avaiable to genuine browsers and not ...
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1answer
1k views

What does this Apache access_log entry mean?

68.96.87.214 - - [07/Aug/2013:21:29:25 +0000] "GET /HNAP1/ HTTP/1.1" 403 501 "*************" "Mozilla/4.0 (compatible; Opera/3.0; Windows 4.10) 3.51 [en]" 177.47.105.41 - - [07/Aug/2013:21:57:26 ...
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1answer
85 views

SSH to track hacker [duplicate]

I'm very new to using SSH and my server has been hacked, someone has gone onto a website of mine and made modifications. I have the time which they did it (29/07/2013 18:14:30), but cannot see how ...
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2answers
48 views

Looking for a shell command to read non-binary part of most common image types

A website I'm hosting on my dedicated server has been hacked. Some pictures have been infected with things like <?php eval(base64_decode(....));?>. I'm looking for a generic shell command which ...
0
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1answer
243 views

How to detect my server is used as a port scanner? [duplicate]

My Web Server is running Ubuntu 12.04.2 LTS with all security updates installed. It is used as a Web Proxy server that handles incoming requests on HTTP/80 HTTPS/443 but also retrieves web content ...
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2answers
34 views

Remote code integrity checking prior to execution

I'm contemplating putting a site online that could be an attractive target for hackers or employees of the host, who could alter the site's code to their benefit. Not wishing to self-host, I was ...
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2answers
83 views

Should I be concerned with seeing this in my logs?

The following requests (this is about half of them) in my Nginx access log have all come over the span of a few minutes from an IP that is registered to an ISP in Vietnam (I could provide the IP, but ...
0
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1answer
531 views

Hacking attempt detected, Can we block user by PC-Name

Recently we notied that hackers are trying to hack our server, we have IP blocking softwares installed on our server but the thing is that, hacker is using dynamic ip addresses to try again and ...
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0answers
37 views

Wordpress URL String “[0,43391,49586] -> [N] POST http://example.com” Coming from Asian Hosts

My wordpress sites started seeing the URI string shown below. All of the requests are coming from middle east and Asia (mostly Chinese) hosts. These requests generate 404s in my logs. What is this ...
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1answer
110 views

client 157.56.229.87 attempt to invoke directory as script: /usr/lib/cgi-bin/

Ok, so i frequently check my logs and see an array of errors logs from people "scoping the joint" but today i noticed a new one: [client 157.56.229.87] attempt to invoke directory as script: ...
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1answer
86 views

DB Detection: MySQL >=5 (Auto Detected) Method: GET Type: Integer (Auto Detected)

Could someone please tell me which penetration-testing tool leaves behind a page that looks like this? DB Detection: MySQL >=5 (Auto Detected) Method: GET Type: Integer (Auto Detected) ...
0
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1answer
140 views

How to lockdown a Ubuntu 12.04 web server [duplicate]

All my servers have just been hacked and now I'm ready to start locking down my web servers. They are currently running Ubuntu 12.04 with nginx 1.27 php5-fpm php 5.4.14 mysql 5.5 postgresql 9.1 ...
0
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1answer
85 views

Wordpress blog hacked [duplicate]

My wordpress blog has been hacked. Any page that I got to it shows the page html that hacker put in some where. I am not wordpress expert but it looks like hacker put the code somewhere (in database ...
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0answers
368 views

Server getting constant DNS TXT queries - What is the hazard potential?

recently I discovered that my server was generating a lot more traffic than normal. Normally I get around 1-10 Mb per day, since the server only works as a host for eMail and static websites. ...
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4answers
1k views

Can a virtual machine (VM) “hack” another VM running on the same physical machine?

Questions: if a VM is corrupted (hacked), what do I risk on others VMs running on the same physical machine? What kind of security issues is there between VMs running on the same physical host? Is ...
0
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1answer
118 views

Many of joomla websites on my server have been hacked; no other kind of website [duplicate]

Today I got that many of Joomla websites on my server are hacked. Some of the hacked joomlas were updated (the last version from 2.5 series) with the last version. In many cases, the main index.php ...
0
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1answer
105 views

Tool to automatic suspending the DDOSed website before the whole VPS is being suspended by Data center [duplicate]

I have a non-Xen VPS (don't exactly know what the software is). The past week, we had experienced several DDOS attacks on one (or some) of the hosts and because of using more than usual bandwidth, ...
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2answers
653 views

Can't delete corrupt files on Linux

So I got hit by a script kitte... Fortunately the box is Ubuntu and was able to replace w/ binaries from a comparable system, however, Some of the files I couldn't delete, and am still stumped on ...
0
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1answer
49 views

Database got hacked and now our server is unresponsive. [duplicate]

Just recently we noticed in our website (which was made by a 3rd party before) that the database was compromised. All data was appended by a small html information. What we did is to change all the ...
0
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1answer
125 views

Constantly someone is making request for index.xml

My server was recently been compromised due to Joomla and allow_url_fopen = ON I see various php files on my server root having this content in them Restricted accoss <?php error_reporting(0); ...
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1answer
49 views

Read a file created by root user on unix system [closed]

I have a file created by root user on unix system and the file is assigned to a particular group.All I want to do is read that file by logging in as user which is not root and not a part that ...
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0answers
26 views

What is a logical approach to tracking IPv6 connections for abuse? [duplicate]

I have a web server that issues AAAA records and I want to understand how I should monitor that interface for abuse. Specifically, how should I dice up that address to determine hacking or brute ...
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1answer
50 views

Local development server risk: inbound connection [closed]

My local development environment is Windows with xampp/nginx. Yesterday I installed malwarebytes and today when I started my xampp server, I soon find out that there is an inbound connection blocked ...
2
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1answer
797 views

remove shared library from sshd [duplicate]

mv /lib64/libkeyutils.so.1.9 /root service sshd restart Stopping sshd: [ OK ] Starting sshd: /usr/sbin/sshd: error while loading shared libraries: ...
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1answer
55 views

Would this be considered hacking? [closed]

There is this prominent US based News network which allows people to post comments and vote on the comments. While monitoring the http traffic using fiddler, I felt their ajax post had an obvious ...
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1answer
117 views

list of IPs that are source of brute force attacks [closed]

I'm getting a lot of attempts to bruteforce into a database. Possibly other attempts too, but this is what I'm focusing on for now. I've compiled a list of IP addresses that are sources of this ...
4
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3answers
109 views

What protocol should be followed if website is actively under attack?

When you have just detected your website is currently under a hack attack that is attempting to penetrate your website, I am not including Denial of service in my question, what do you do? Are there ...
0
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1answer
142 views

Server hacked: How do I fix, diagnosis and prevent? [duplicate]

Possible Duplicate: How do I deal with a compromised server? WP Site (up to date with version & plug ins) Cheap budget host Inserted on all of my pages inside the tags are the ...