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How to hack an Instagram account? The answer to this question is difficult to find, but a bug bounty hunter just did it without too many difficulties. Belgian bug bounty hunter Arne Swinnen discovered two vulnerabilities in image-sharing social network Instagram that allowed him to brute-force Instagram account passwords and take over user accounts with minimal efforts. Both brute-force attack issues were exploitable due to Instagram's weak password policies and its practice of using incremental user IDs. "This could have allowed an attacker to compromise many accounts without any user interaction, including high-profile ones," Swinnen wrote in a blog post describing details of both vulnerabilities. Brute-Force Attack Using Mobile Login API Swinnen discovered that an attacker could have performed brute force attack against any Instagram account via its Android authentication API URL, due to improper security implementations. According to his blog post , fo...

While passwords remain the first line of defense for protecting user accounts against unauthorized access, the methods for creating strong passwords and protecting them are continually evolving. For example, NIST password recommendations are now prioritizing password length over complexity. Hashing, however, remains a non-negotiable. Even long secure passphrases should be hashed to prevent them from being completely exposed in the event of a data breach – and never stored in plaintext. This article examines how today's cyber attackers attempt to crack hashed passwords, explores common hashing algorithms and their limitations, and discusses measures you can take to protect your hashed passwords, regardless of which algorithm you are using. Modern password cracking techniques Malicious actors have an array of tools and methods at their disposal for cracking hashed passwords. Some of the more widely used methods include brute force attacks, password dictionary attacks, hybrid attacks...

Security researchers have discovered an ongoing sophisticated botnet campaign that is currently brute-forcing more than 1.5 million publicly accessible Windows RDP servers on the Internet. Dubbed GoldBrute , the botnet scheme has been designed in a way to escalate gradually by adding every new cracked system to its network, forcing them to further find new available RDP servers and then brute force them. To fly under the radar of security tools and malware analysts, attackers behind this campaign command each infected machine to target millions of servers with a unique set of username and password combination so that a targeted server receives brute force attempts from different IP addresses. The campaign, discovered  by Renato Marinho at Morphus Labs, works as shown in the illustrated image, and its modus operandi has been explained in the following steps: Step 1 — After successfully brute-forcing an RDP server, the attacker installs a JAVA-based GoldBrute botnet malw...

Nmap 5.59 BETA1 - 40 new NSE scripts & improved IPv6 Official Change Log: o [NSE] Added 40 scripts, bringing the total to 217!  You can learn  more about any of them at https://nmap.org/nsedoc/. Here are the new  ones (authors listed in brackets):  + afp-ls: Lists files and their attributes from Apple Filing    Protocol (AFP) volumes. [Patrik Karlsson]  + backorifice-brute: Performs brute force password auditing against    the BackOrifice remote administration (trojan) service. [Gorjan    Petrovski]  + backorifice-info: Connects to a BackOrifice service and gathers    information about the host and the BackOrifice service    itself. [Gorjan Petrovski]  + broadcast-avahi-dos: Attempts to discover hosts in the local    network using the DNS Service Discovery protocol, then tests    whether each host is vulnerable to the Avahi NULL UDP packet    denial...

Snapchat , a Smartphone application that lets users share snapshots with friends is catching fire among teenagers. It was first hacked in December when 4.6 million Snapchat users were exposed in a database breach. Later, the denial-of-service attack and CAPTCHA Security bypass were discovered by other researchers within last two-three weeks. Snapchat has no Vulnerability Reward Program, but still many penetration testers are working hard and free of cost to make the application more secure by disclosing flaws. Interestingly, this is not the end of vulnerabilities, Mohamed Ramadan , a security researcher with Attack-Secure from Egypt, has spotted a new vulnerability on Snapchat that allow an attacker to brute-force login credentials of the users. Brute-force is a process of trying multiple passwords against a username until you get a correct password. " This vulnerability allows anyone who knows your SnapChat email to brute force your account's password without any...

Disclaimer: This article is meant to give insight into cyber threats as seen by the community of users of CrowdSec. What can tens of thousands of machines tell us about illegal hacker activities? Do you remember that scene in Batman - The Dark Knight, where Batman uses a system that aggregates active sound data from countless mobile phones to create a meta sonar feed of what is going on at any given place?  It is an interesting analogy with what we do at CrowdSec. By aggregating intrusion signals from our community, we can offer a clear picture of what is going on in terms of illegal hacking in the world. After 2 years of activity and analyzing 1 million intrusion signals daily from tens of thousands of users in 160 countries, we start having an accurate "Batman sonar" global feed of cyber threats. And there are some interesting takeaways to outline. A cyber threat with many faces  First of all, the global cyber threat is highly versatile. What do we see when looking at...

Here we are with our weekly roundup, showcasing last week's top cyber security threats and challenges. Just in case you missed any of them (ICYMI), THN Weekly Round-Up helps you provide all important stories of last week in one shot. We advise you to read the full story (just click ' Read More ' because there's some valuable advice in it as well). Here's the list: 1. Facebook to Launch Its Own Satellite to Beam Free Internet Facebook has revealed its plans to launch a  $500 Million Satellite  by next year in an effort to provide free or cheap Internet access in the developing countries. The social network giant has teamed up with the French satellite provider  Eutelsat  Communications to  beam free Internet  access to several parts of countries in Sub-Saharan Africa. For detailed information on Facebook's Satellite Project –  Read more … 2. Angler Exploit Kit Campaign Generating $30 Million Took Down Researchers...

Artillery 0.1 alpha  - New tool for Linux Protection by ReL1K A new Tool " Artillery " - for Linux Protection has been Released by ReL1K (Founder DerbyCon, Creator of the Social-Engineer Toolkit). It's written in Python and completely open-source. Artillery is a combination of a honeypot, file monitoring and integrity, alerting, and brute force prevention tool. It's extremely light weight, has multiple different methods for detecting specific attacks and eventually will also notify you of insecure nix configurations. Features: If anyone decides to port scan or touch those ports, they are blacklisted immediately and permanently. It's multi-threaded and can handle as many connections thrown at it. Monitor file integrity leveraging sha-512 database Keeps track of all system files and if anything changes Artillery also monitors the SSH logs, and the event of a brute force attack, blacklists the host forever Extremely Simple Configuration ( /var/artillery/config ) ...

Reaver brute force attack Tool, Cracking WPA in 10 Hours The WiFi Protected Setup protocol is vulnerable to a brute force attack that allows an attacker to recover an access point's WPS pin, and subsequently the WPA/WPA2 passphrase, in just a matter of hours. Reaver is a WPA attack tool developed by Tactical Network Solutions that exploits a protocol design flaw in WiFi Protected Setup (WPS). This vulnerability exposes a side-channel attack against Wi-Fi Protected Access (WPA) versions 1 and 2 allowing the extraction of the Pre-Shared Key (PSK) used to secure the network. With a well-chosen PSK, the WPA and WPA2 security protocols are assumed to be secure by a majority of the 802.11 security community. Usage is simple just specify the target BSSID and the monitor mode interface to use: # reaver -i mon0 -b 00:01:02:03:04:05 Reaver has been designed to be a robust and practical attack against WPS, and has been tested against a wide variety of access points and WPS implementations....

Attackers are using many types of attacks to compromise business-critical data. These can include zero-day attacks, supply chain attacks, and others. However, one of the most common ways that hackers get into your environment is by compromising passwords. The password spraying attack is a special kind of password attack that can prove effective in compromising your environment. Let's look closer at the password spraying attack and how organizations can prevent it. Beware of compromised credentials Are compromised credentials dangerous to your environment? Yes! Compromised credentials allow an attacker to "walk in the front door" of your environment with legitimate credentials. They assume all the rights and permissions to systems, data, and resources the compromised account can access. The compromise of a privileged account is even worse. Privileged accounts are accounts that have high levels of access, such as an administrator user account. These types of accounts r...