If you thought your online accounts were safe from hackers, think again. Hackers can now, bank account, and other online accounts through your phone number, thanks to an SS7 flaw.
Thus, this isn’t an issue with the security of your favorite websites, nor an issue of having weak passwords: it’s an issue with attaching your phone number to your accounts. One of the easiest ways a hacker can get your phone number (if you don’t have it visible online) is by stealing your phone. Ensure that a thief can’t discover your phone number — or access your personal information — by activating Anti-Theft on your device: With Anti-Theft activated in advance, you’ll be able to protect your device, and all of the online accounts attached to your phone, in the event of loss or theft. You can use Anti-Theft to remotely block anyone from accessing your device, erase all of your data, sound an alarm (if you lost it nearby) and track your phone’s location. It’s an easy step to take to further protect your device against thieves or hackers. Read More: The SS7 Vulnerability SS7, also known as the global signaling system, is a protocol suite that allows devices to communicate with one another worldwide.
SS7 vulnerabilities are what allow hackers and spies to intercept text messages, listen to others’ phone calls, and track smartphone users’ locations. This means that they can intercept a text message to reset your password, or even divert texts to their devices to gain access to your account. How Hackers Can Use Your Phone Number For hackers that know how to use SS7 to their advantage, it’s very simple to hack online accounts through a victim’s phone number. All they need to do is go to the Facebook homepage, click on “Forgot account?”, and then type in your phone number. Then, they’ll redirect the text message (that you should receive) to them, so that they get your one-time password to log into your account. This same strategy can be used to access your Gmail account or other social networking accounts, too. More recently, this strategy has been used to and drain victims’ accounts instantly.
However, this process is slightly more complicated than hacking into a Facebook account. Hackers first have to steal victims’ passwords, phone numbers, and account information. Then, to authorize the transfer of money, they have to get a fake telecom provider in order to redirect the bank’s one-time password to them. Once they have this information, they can log onto victims’ accounts to transfer the money and approve the transfer because they control the whole process.
How to Protect Your Online Accounts Because of this SS7 flaw, it’s important to never attach your phone number to your Facebook account or other online accounts. For account recovery, you should instead choose to receive email alerts. This goes for two-factor authentication, as well. Two-factor authentication will make your account much more secure — as long as you receive codes via email, not text message. You may also want to use apps that offer end-to-end encryption — in addition to activating Anti-Theft — to better protect your personal information.
Customers usually turn to the internet to get information and buy products and services. Towards that end, most organizations have websites. Most websites store valuable information such as credit card numbers, email address and passwords, etc. This has made them targets to attackers. Defaced websites can also be used to communicate religious or political ideologies etc. In this article, we will introduce you toweb servers hacking techniques and how you can protect servers from such attacks.
Topics covered in this tutorial. Web server vulnerabilities A web server is a program that stores files (usually web pages) and makes them accessible via the network or the internet. A web server requires both hardware and software. Attackers usually target the exploits in the software to gain authorized entry to the server.
Let’s look at some of the common vulnerabilities that attackers take advantage of. Default settings– These settings such as default user id and passwords can be easily guessed by the attackers. Default settings might also allow performing certain tasks such as running commands on the server which can be exploited. Misconfigurationof operating systems and networks – certain configuration such as allowing users to execute commands on the server can be dangerous if the user does not have a good password.
Bugs in the operating system and web servers– discovered bugs in the operating system or web server software can also be exploited to gain unauthorized access to the system. In additional to the above-mentioned web server vulnerabilities, the following can also led to unauthorized access. Lack of security policy and procedures– lack of a security policy and procedures such as updating antivirus software, patching the operating system and web server software can create security loop holes for attackers. Types of Web Servers The following is a list of the common web servers. Apache– This is the commonly used web server on the internet. It is cross platform but is it’s usually installed on Linux. Mostwebsites are hosted onservers.
Internet Information Services (IIS)– It is developed by Microsoft. It runs on Windows and is the second most used web server on the internet.
Most asp and aspx websites are hosted on IIS servers. Apache Tomcat – Most Java server pages (JSP) websites are hosted on this type of web server. Other web servers – These include Novell's Web Server and IBM’s Lotus Domino servers. Types of Attacks against Web Servers Directory traversal attacks– This type of attacks exploits bugs in the web server to gain unauthorized access to files and folders that are not in the public domain. Once the attacker has gained access, they can download sensitive information, execute commands on the server or install malicious software. Denial of Service Attacks– With this type of attack, the web server may crash or become unavailable to the legitimate users. Domain Name System Hijacking – With this type of attacker, the DNS setting are changed to point to the attacker’s web server.
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All traffic that was supposed to be sent to the web server is redirected to the wrong one. Sniffing– Unencrypted data sent over the network may be intercepted and used to gain unauthorized access to the web server. Phishing– With this type of attack, the attack impersonates the websites and directs traffic to the fake website. Unsuspecting users may be tricked into submitting sensitive data such as login details, credit card numbers, etc.
Pharming– With this type of attack, the attacker compromises the Domain Name System (DNS) servers or on the user computer so that traffic is directed to a malicious site. Defacement– With this type of attack, the attacker replaces the organization’s website with a different page that contains the hacker’s name, images and may include background music and messages. Effects of successful attacks. An organization’s reputation can be ruined if the attacker edits the website content and includes malicious information or links to a porn website. The web server can be used to install malicious software on users who visit the compromised website.
The malicious software downloaded onto the visitor’s computer can be a virus, Trojan or Botnet Software, etc. Compromised user data may be used for fraudulent activities which may lead to business loss or lawsuits from the users who entrusted their details with the organization Web server attack tools Some of the common web server attack tools include;.
Metasploit– this is an open source tool for developing, testing and using exploit code. It can be used to discover vulnerabilities in web servers and write exploits that can be used to compromise the server. MPack– this is a web exploitation tool.
It was written in PHP and is backed by MySQL as the database engine. Once a web server has been compromised using MPack, all traffic to it is redirected to malicious download websites.
Zeus– this tool can be used to turn a compromised computer into a bot or zombie. A bot is a compromised computer which is used to perform internet-based attacks. A botnet is a collection of compromised computers. The botnet can then be used in a denial of service attack or sending spam mails. Neosplit – this tool can be used to install programs, delete programs, replicating it, etc.
How to avoid attacks on Web server An organization can adopt the following policy to protect itself against web server attacks. Patch management– this involves installing patches to help secure the server. A patch is an update that fixes a bug in the software. The patches can be applied to the operating system and the web server system. Secure installation and configuration of the operating system. Secure installation and configuration of the web server software.
Vulnerability scanning system– these include tools such as Snort, NMap, Scanner Access Now Easy (SANE). Firewalls can be used to stop simple DoS attacks by blocking all traffic coming the identify source IP addresses of the attacker. Antivirus software can be used to remove malicious software on the server. Disabling Remote Administration. Default accounts and unused accounts must be removed from the system.
Default ports & settings (like FTP at port 21) should be changed to custom port & settings (FTP port at 5069) Hacking Activity: Hack a WebServer In this practical scenario, we are going to look at the anatomy of a web server attack. We will assume we are targeting. We are not actually going to hack into it as this is illegal. We will only use the domain for educational purposes.
What we will need. A target. Bing search engine. SQL Injection Tools. PHP Shell, we will use dk shell Information gathering We will need to get the IP address of our target and find other websites that share the same IP address. We will use an online tool to find the target’s IP address and other websites sharing the IP address. Enter the URL in your web browser.
Enter as the target. Click on Check button.
You will get the following results Based on the above results, the IP address of the target is 69.195.124.112 We also found out that there are 403 domains on the same web server. Our next step is to scan the other websites forinjection vulnerabilities. Note: if we can find a SQL vulnerable on the target, then we would directly exploit it without considering other websites. Enter the URL into your web browser. This will only work with Bing so don’t use other search engines such as google or yahoo.
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Enter the following search query ip:69.195.124.112.php?id= HERE. “ip:69.195.124.112” limits the search to all the websites hosted on the web server with IP address 69.195.124.112. “.php?id=” search for URL GET variables used a parameters for SQL statements. You will get the following results As you can see from the above results, all the websites using GET variables as parameters for SQL injection have been listed. The next logic step would be to scan the listed websites for SQL Injection vulnerabilities. You can do this using manual SQL injection or use tools listed in this article on SQL Injection.
Uploading the PHP Shell We will not scan any of the websites listed as this is illegal. Let’s assume that we have managed to login into one of them. You will have to upload the PHP shell that you downloaded from. Open the URL where you uploaded the dk.php file. You will get the following window. Clicking the Symlink URL will give you access to the files in the target domain. Once you have access to the files, you can get login credentials to the database and do whatever you want such as defacement, downloading data such as emails, etc.
Summary. Web server stored valuable information and are accessible to the public domain. This makes them targets for attackers.
The commonly used web servers include Apache and Internet Information Service IIS. Attacks against web servers take advantage of the bugs and Misconfiguration in the operating system, web servers, and networks. Popular web server hacking tools include Neosploit, MPack, and ZeuS. A good security policy can reduce the chances of been attacked.
Advertisement When you hear “security breach,” what springs to mind? A malevolent hacker sitting in front of screens with Matrix digital text streaming down? Or a basement dwelling teenager who hasn’t seen daylight in three weeks? How about a powerful supercomputer attempting to hack the entire world?
The reality is that all of those situations can come down to one simple facet: the humble — but vital — password. If someone has your password, it is essentially game over. If your password is too short, or easily guessed, it is game over. And when there is a security breach, you can guess what nefarious people search for on the dark net. That’s right. Your password.
There are seven common tactics used to hack passwords. Depeche mode live cd. Let’s take a look. Dictionary First up in the common password hacking tactics guide is the dictionary attack. Why is it called a dictionary attack? Because it automatically tries every word in a defined “dictionary” against the password.
The dictionary isn’t strictly the one you used in school. This dictionary is actually a small file that will also contain the most commonly used password combinations, too. That includes 123456, qwerty, password, mynoob, princess, baseball, and all-time classic, hunter2. Cons: even slightly stronger passwords will remain secure. Stay safe by: use a strong single-use password for each account, in conjunction with a password management app. The Passwords that are hard to crack are also hard to remember.
Want to be safe? You need a password manager. Here's how they work and how they keep you safe. In a repository. Then, you can use a single, ridiculously strong password for every site. Here are Unless you have an incredible memory, there's no way you can possibly hope to remember all your usernames and passwords. The sensible option is to use a password manager - but which is best?
Brute Force Next, we consider a brute force attack, whereby an attacker tries every possible character combination. Attempted passwords will match the specifications for the complexity rules e.g. Including one upper-case, one lower-case, decimals of Pi, your pizza order, and so on. Stay safe by: always use a variable combination of characters, and where possible If your passwords are not unique and unbreakable, you might as well open the front door and invite the robbers in for lunch. Phishing This isn’t strictly a “hack,” but falling prey to a phishing or spear phishing attempt will usually end badly.
General phishing emails send by the billions to all manner of internet users around the globe. A phishing email generally works like this:.
Target user receives a spoofed email purporting to be from a major organization or business. Spoofed email requires immediate attention, featuring a link to a website.
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Link to the website actually links to a fake login portal, mocked up to appear exactly the same as the legitimate site. The unsuspecting target user enters their login credentials, and is either redirected, or told to try again. User credentials are stolen, sold, or used nefariously (or both!). Despite some extremely large botnets going offline during 2016, by the end of the year spam distribution IBM X-Force PDF, Registration. Furthermore, malicious attachments rose at an unparalleled rate, as per the image below. And, according to the, fake invoices are the #1 phishing lure.
Pros: the user literally hands over their login information, including password. Relatively high hit rate, easily tailored to specific services. Cons: spam emails are easily filtered, and spam domains blacklisted.
Stay safe by: we’ve covered Catching a phishing email is tough! Scammers pose as PayPal or Amazon, trying to steal your password and credit card information, are their deception is almost perfect. We show you how to spot the fraud. (as well as Vishing and smishing are dangerous new phishing variants. What should you be looking out for? How will you know a vishing or smishing attempt when it arrives? And are you likely to be a target?).
Furthermore, increase your spam filter to its highest setting or, better still, use a proactive whitelist. Use When you receive a link, you should check to make sure it's not a source of malware or a front for phishing—and these links checkers can help. If an email link is legitimate before clicking. Social Engineering Social engineering is somewhat akin to phishing in the real world, away from the screen. Read my short, basic example below (and What social engineering techniques would a hacker use and how would you protect yourself from them? Let's take a look at some of the most common methods of attack.!). A core part of any security audit is gauging what the entire workforce understand.
In this case, a security company will phone the business they are auditing. The “attacker” tells the person on the phone they are the new office tech support team, and they need the latest password for something specific. An unsuspecting individual may hand over the keys to the kingdom without a pause for thought. The scary thing is how often this actually works. Social engineering has existed for centuries.
Being duplicitous in order to gain entry to secure area is a common method of attack, and one that is only guarded against with education. This is because the attack won’t always ask directly for a password.
It could be a fake plumber or electrician asking for entry to a secure building, and so on. Pros: skilled social engineers can extract high value information from a range of targets.
Can be deployed against almost anyone, anywhere. Extremely stealthy. Cons: a failure can raise suspicions as to an impending attack, uncertainty as to whether the correct information is procured. Stay safe by: this is a tricky one. A successful social engineering attack will be complete by the time you realize anything is wrong. Education and security awareness are a core mitigation tactic. Avoid posting personal information that could be later used against you.
Rainbow Table A rainbow table is usually an offline password attack. For example, an attacker has acquired a list of user names and passwords, but they’re encrypted. Have you ever wondered how websites keep your password safe from data breaches?
This means it looks completely different from the original password. For instance, your password is (hopefully not!) logmein. The known MD5 hash for this password is “8f4047e32e1aef240e80aa.” Gibberish to you and I. But in certain cases, the attacker will run a list of plaintext passwords through a hashing algorithm, comparing the results against an encrypted password file. In other cases, the encryption algorithm is vulnerable, and a majority of passwords are already cracked, like MD5 (hence why we know the specific hash for “logmein.” This where the rainbow table really comes into its own. Instead of having to process hundreds of thousands of potential passwords and matching their resulting hash, a rainbow table is a huge set of precomputed algorithm specific hash values.
Using a rainbow table drastically decreases the time it takes to crack a hashed password — but it isn’t perfect. Hackers can purchase prefilled rainbow tables filled with millions of potential combinations. Pros: can crack a large amount of difficult passwords in a short amount of time, grants hacker a lot of power over certain security scenarios.
Cons: requires a huge amount of space to store the enormous (sometimes terabytes) rainbow table. Also, attackers are limited to the values contained in the table (otherwise they have to add another entire table). Stay safe by: this is a tricky one. Rainbow tables offer a wide range of attacking potential.
Avoid any sites that use SHA1 or MD5 as their password hashing algorithm. Avoid any site that limits you to short passwords, or restricts the characters you can use.
Always use a complex password. Malware/Keylogger Another sure way to lose your login credentials is to fall foul of malware. Malware is everywhere, with the potential to do massive damage. If the malware variant If you own an HP laptop or tablet you may have had every single thing you've typed on it logged and stored on your hard drive. Which is nice., you could find all of your accounts compromised. Image Credit: welcomia/ Alternatively, the malware could specifically target private data, or introduce a remote access Trojan to steal your credentials. Pros: thousands of malware variants, some customizable, with several easy delivery methods.
Good chance a high number of targets will succumb to at least one variant. Can go undetected, allowing further harvesting of private data and login credentials. Cons: chance that the malware won’t work, or is quarantined before accessing data, no guarantee that data is useful Stay safe by: installing and regularly updating your antivirus and antimalware software. Carefully considering download sources. Not clicking through installation packages containing bundleware, and more.
Steer clear of nefarious sites (I know, easier said than done). Use script blocking tools to stop malicious scripts. Spidering Spidering ties into the dictionary attack we covered earlier.
If a hacker is targeting a specific institution or business, they might try a series of passwords relating to the business itself. The hacker could read and collate a series of related terms — or use a search spider to do the work for them. You might have heard the term “spider” before. These search spiders are extremely similar to those that crawl through the internet, indexing content for search engines. The custom word list is then used against user accounts in the hope of finding a match. Pros: can potentially unlock accounts for high ranking individuals within an organization.
Relatively easy to put together, and adds an extra dimension to a dictionary attack. Cons: could very well end up fruitless if organizational network security is well configured. Stay safe by: again, only use strong, single use passwords comprised of random strings — nothing linking to your persona, business, organization, and so on. Strong, Unique, Single Use So, how do you stop a hacker stealing your password?
The really short answer is that you cannot truly be 100% safe. But you can mitigate your exposure to vulnerability.
One thing is for sure: using strong, unique single use passwords never hurt anyone — and they’ve definitely saved helped, on more than one occasion. What is your password protection routine? Do you always use strong single use passwords? What’s your password manager of choice? Let us know your thoughts below!
Image Credit: SergeyNivens/.
On Facebook for more news! In previous posts we learned how to use, some and even gathered a list of the best. In this post i’m going to show you how to use a DSLR/ Camcorder you already have and connect it to your smartphone to broadcast directly to Facebook Live. Have a Facebook Live question? Join our community!
Before we begin, make sure you have the below list:. Android operated smartphone (sorry iOS, use ).
(or a ). android app. DSLR/ Camcorder with HDMI output or a simple USB Webcam. This is how it looks connected How to stream to Facebook Live from a pro camera using your mobile? Once you install the Camera Fi Live app, connect the OTG cable to your mobile phone on one side and to the Magewell Dongle on the other side. Use an HDMI cable to connect your pro camera to the Magewell Dongle, turn on the pro camera and launch the Camera Fi app. If you connected everything correct, you should see the stream from your pro camera in the Camera Fi app.
If not, the app will remind you to connect a camera to your phone. Next step is to login into the social network you wish to stream to, choose between: Facebook, Youtube, UStream and Wowza. Once you click Facebook you will need to choose whether to stream to your own profile or to one of the business pages you manage. If you with to change the stream output you can click the round logo in the to left corner and change from your profile to your page or group. Since Camera Fi is a freemium app, the basic version is quite limited. You can choose to stream in 720p as max resolution and add the text to your post, but you will have a watermark on your stream until you pay (7.99$/ month or 69$/ year) and than you can stream in HD, upload a preview photo to your video and enjoy some more premium features. The basic version will still allow you to choose between your pro camera and each of the smartphone’s cameras, so you actually have 3 different cameras to stream from and you can choose between them anytime and quite easily. You can also choose an audio source, be it the smartphone’s mic or some pro equipment connected to your pro camera.
Pro Camera/ DSLR or a USB Webcam What if I don’t have a DSLR/ Camcorder? Not a big deal. If you have a USB webcan you can connect it directly to the OTG cable and save the money and trouble of buying expensive dongles and cables. This will enable you to be more creative with the angles and points of view, otherwise impossible from your smartphone. Unfortunately, the Camera Fi app must remain operating while you are broadcasting, so you will not be able to use your smartphone during the streaming. YouTube Live Streaming Using Camera Fi Live for YouTube streaming is a great idea. The app doesn’t require any external camera and uses the built in cameras your smartphone already has.
Considering the fact that the native YouTube app doesn’t support streaming live, this is a great solution.