inserting malicious content, usually code (like SQL, Javascript) into a vulnerable application. Is used only if there is no more specific injection tag available (see tag wiki)

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134 views

Code injection in files with 0644 permissions

My subject says it all - I am clueless as to how a file with permissions 0644 can keep getting iframe injections. None of the posts on this site that I saw quite described what I am experiencing. ...
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1answer
126 views

Making a content injection target [closed]

I don't know much about content injection so I'm hoping to draw on the experience of the community here. I'm writing a tool that evaluates public web proxies. I want to know if the proxies are being ...
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1answer
410 views

Os command injection privileges

I have a question about privileges when performing an Operating system command injection. If an attacker succeeds in getting a reverse shell on a remote server through netcat (netcat -v -e ...
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67 views

My ISP is injecting a swf into my webpage. How legal is this? [closed]

I recently saw a pop-up, on a http page. It was the advertisement of some offers provided by the ISP. Here is the code: <td> <object width="480" height="195" ...
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110 views

How to identify column types during sql injection with “union all select” construct?

Situation is following: I have identified sql injection attack vector, and have following information about target table: It has six columns. (Identified using "order by"). I can see output of 3 of ...
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65 views

how to separate arguments in sql query [closed]

I have this query : 'UNION ALL SELECT group_concat(username,password) from users-- and I want to separate username and password because when I execute the code it prints it all in one long string. ...
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168 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: ...
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56 views

Secure public API

I'm building a mobile app that will use API created by me on my server. These API will be publicy exposed, but not publicy documented. I want to let the user to use the app without authentication for ...
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49 views

Unidentified contents injected in include file [closed]

This code was injected into a "include" file on my server. http://pastebin.com/Eueu8unY Any file that included this gave a 301 Moved Permanently error. I wish to know: Is this due to an insecure ...
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191 views

How Modification attacks works?

Theoretically... In Active attacks we have "modification attack"...ie "In a message modification attack, an intruder alters packet header addresses to direct a message to a different destination or ...
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83 views

Detecting reflective DLL injection any other ways?

any way to detect it? maybe using mcafee hips rules? Are there any known Techniques to detect it ? like walking the VAD tree or something?
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139 views

SAPE link injection into website

I currently have a WordPress website that has been updated to latest version 4.1, also latest theme installed. The problem is this SAPE Russian link network that is injecting malware code into the ...
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228 views

Is Java javax.servlet.http.HttpServletResponse sendRedirect() auto replace the carriage return(%0d%0a) to prevent Http Header Splitting attack?

I just tried to demonstrate a simple Web app program to simulate the Http Header Splitting attack but I failed. I realise that this sendRedirect() function has filtered my carriage return and replace ...
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80 views

SSRS custom assembly security issues

I want to invoke a custom assembly that uses protected services (like DirectoryServices, etc...) with reporting Services. On the web, I see a recurring example of configuration (inspired by this ...
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1answer
57 views

Protocols that are highly resistant to code injection attacks ? [closed]

After reading about language based security, it seems protocols that are defined using context-free or regular grammars are highly resistant to code injection attacks. Are there any good security ...
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4answers
269 views

Software for web hacking? [closed]

I want to learn sql injection, xss and other web attacks. I am new to all this, just a beginner. I want to know which software to use. Can I use Windows for these attacks ...
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3answers
127 views

SMTP injection: where am I wrong?

On another thread a user was trying to use SMTP injections and, as a test, trying to inject a supplementary recipient for this email. My understanding of the issue preventing him from succeeding were ...
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3answers
472 views

PHP Object Injection Prevention - OWASP

So I was just reading up on the OWASP site about PHP Object Injection. According to their site, the suggested fix is to not use serialze and unserialize but to use json_* (json_encode and ...
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1answer
206 views

Is SQL Injection possible in this PHP registration script? [closed]

I've recently created a PHP registration script for a website that a friend and I are working on. I've read up on the dangers of MySQL injection, and I was wondering if my current code is protected ...
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1answer
224 views

How were hackers able to alter the text of my pages without a form or querystring?

I maintain a small site that runs old-fashioned classic ASP pages with an Access backend. Recently, the site got hacked. The attacker managed to add a large quantity of code to the index.asp page. ...
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1answer
133 views

What is the main function of xp_cmdshell in SQL Server and what are its related security issues?

I was researching on Injection issues in MS SQL Server. I came to read about xp_cmdshell. I think this must be enabled in the SQL server for attackers to perform many exploits. Actually what is this ...
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2answers
2k views

Stopping js malware injection on our Wordpress site

This had been added to our wordpress site, specifically in the footer.php. hxxp://pkktjuchlrv.peguards.cc/02b31ac5iq/get.js It is malware as defined by google, i belive it is tracking code. We have ...
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1answer
3k views

Wireless Adapters for Testing with BackTrack

I would like to begin testing and working with BackTrack. I have heard that the Alfa AWUS036H wireless adapter works well with BackTrack and allows for packet injection. This adapter, however, is ...
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1answer
30 views

Examples of in-band signalling hacks? [closed]

In-band signalling or the mixing of control and metadata on the same channel is what allowed the early phone phreakers to obtain free calls on telecommunications systems. By sending control tones ...
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2answers
77 views

Calling string functions safely

I wish to implement some user callable functions in my code. I use something like this: function funcTest(){ echo "This is test function"; } if (isset($_GET['cmd'])) { $func = ...
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1answer
251 views

Is PHP FILTER_VALIDATE_IP secure enough to $_GET an IP address?

I need to pass an IP to a PHP page, and it would be convenient to be able to use GET, but I know that's sort of asking for trouble, so I want to triple-check that I'm handling it securely. ...
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2answers
69 views

It would be possible to filter user input browser side to prevent injection?

I've been studying common injection problems and examples and I've been wondering whether it would be possible to embed some filtering mechanism to prevent injection client side. For example checking ...
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3answers
66 views

Can isolated forms be dangerous for my server security? [closed]

I'm learning PHP and at the same time I write the examples that I get from the book to .php pages to test them and eventually publish them. My concern is about a bunch of forms that are there to test ...
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2answers
824 views

How to encode letters in multipart/form-data to include CR/LF characters?

Part of HTTP request that should be sent to server with Content-Type: multipart/form-data; looks like: ------WebKitFormBoundaryQ7KGYev31biaJTW8 Content-Disposition: form-data; name="subject" ...
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1answer
671 views

can the value of request.getHeader(“Host”) be faked?

Suppose if there is some code like <a href="<%=request.getHeader("Host")%>/xxx/abc.do>SignIn</a> Can an attacker fake request.getHeader("host") to point 'SignIn' anchor to ...
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1answer
120 views

Faking and injecting cryptographic certificates

Suppose as an attacker I provide a fake certificate to a user.A warning pops up on her window but she decides to continue anyways.Is my fake certificate now added in her browser's trusted certificate ...
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2answers
116 views

“&” character in url [duplicate]

I think I found a bug in my website but don't know how dangerous it is. My website will redirect you to a warning page whenever you click on a link that is pasted in the comments section. The url ...
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1answer
1k views

How do I inject JavaScript into a JPG image and execute it when uploaded?

I've recently joined a security project, and received a task to demonstrate the risk related to an end-user uploading an image containing embedded (malicious) JavaScript code. I used EXIFeditor to ...
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2answers
422 views

Is it possible to modify a support .js file in a web application by injection?

Let's say there is a web application needing a JavaScript support file .js to be loaded in the head of the html document. <!DOCTYPE html> <html> <head> <meta ...
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1answer
246 views

WordPress theme infected by 5a9fa481.megaline.co malware

I have a wordpress website always updated. I'v developed a theme from scratch for it, so my theme is clean as it was always. I use strong passwords generated by specific tools. Last 3 days my website ...
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1answer
740 views

Sanitizing JavaScript to prevent XSS

I'm going through a vulnerability remediation exercise for a client and am trying to figure out how to best mitigate this particular hole. There's a script on our site that calls up content into a new ...
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2answers
48 views

In NodeJS, what is a good way of ensuring user submitted data in (text input) forms is not malicious?

In addition to scanning user uploaded files, I would also like to ensure that forms for user profiles, comments, etc. cannot be misused to submit malicious script. What are some known good methods of ...
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33 views

How to prevent injection attacks powerscript scripts when dealing with user made variables

I have a large number of scripts with code looking like this: task "$argument" Which is then called by: powershell.Runspace.SessionStateProxy.SetVariable(argument, UserMadeValue); ...
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40 views

Why malicious browser extensions along with API hooking

Most malware steals financial data by hooking to browser APIs like PR_Read, PR_write etc.. Also I see some malware like Sinowal use browser extensions along with these API hooks. I believe a user ...
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31 views

Constructing a tainted string for arc injection

I'm new to security and currently referring to Robert Seacord's Secure Coding in C and C++. In chapter 2 of the same, the author talks about arc injection, wherein he passes the flow of control in the ...
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262 views

Active Directory Injection attack

Is there a possible way of injecting code to pull data from Active directory? I have written a PHP page that executes Powershell and is able to change passwords to a controlled group of people. ...
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1answer
312 views

Why can't all wireless cards perform packet injection?

If a wireless card can send packets, why can't it inject packets? All have to do to inject a packet is create a raw socket, construct a packet with the spoofed headers and then send the packet ...
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0answers
96 views

Should I be concerned about the following URLs that were tried to open on my webpage?

I don't know if this is some injection attempt or a weird bot or what ever. An IP opened several pages within my Drupal 7 website with the appendix ...
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1answer
122 views

Is API hooking done by a process in a shared page, visible to all other processes?

Assume, I have an executable which hooks the API CreateFileW located in Kernel32.dll which is shared globally across the system for all other processes. From hooking I mean, that I have overwritten ...
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1answer
98 views

Why injecting a php tag with XSS dosn't work? [closed]

So you all know about the XSS vulnerability but what I cannot understand is how come injecting a <?php ?> tag doesn't work? eg.: suppose there is a Stored XSS vulnerability in the index.php of a ...
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1answer
50 views

Is it possible to perform second order SQL injection with email addresses?

Let's imagine a website which allows users to Sign up and login only with their email address. Is it possible to perform a second order SQL injection in that case?
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1answer
184 views

Scanner / tool to generate a list with all forms and input fields of a website [closed]

I'm not very experienced with information security but know some basics about injection attacks and other web based attacks. Is there a tool / crawler to find all forms and input fields of a whole ...
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2answers
448 views

Parameterization strategy for hazardous character injection [closed]

I have a input text field for accepting Email ID. If Email ID is not entered by User, I have a client side validation using Java Script to display error message which reads like, "Please enter valid ...
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1answer
585 views

Injected Images

I want to learn all about that. How can we inject code into an image? Is the code must be php? Or is javascript or HTML works too? How I find documentation about this article? I'm a newbie about ...
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3answers
14k views

How do I hack this login page by using SQL injection? [closed]

I'm testing a client's web site vulnerability to SQL injection, which appears to be the case. The web site is hosted in IIS on a Windows server and is using Microsoft's .NET framework with SQL. I'm ...