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TL;DR:  Adopt a modern, test-driven methodology for securing your organization with Detection-as-Code. Over the past decade, threat detection has become business-critical and even more complicated. As businesses move to the cloud, manual threat detection processes are no longer able to keep up. How can teams automate security analysis at scale...

The notorious ransomware operation known as REvil (aka Sodin or Sodinokibi) has resumed after six months of inactivity, an analysis of new ransomware samples has revealed. "Analysis of these samples indicates that the developer has access to REvil's source code, reinforcing the likelihood that the threat group has reemerged," researchers...

Cybersecurity researchers have dissected the inner workings of an information-stealing malware called Saintstealer that's designed to siphon credentials and system information. "After execution, the stealer extracts username, passwords, credit card details, etc.," Cyble researchers said in an analysis last week. "The stealer also steals data from various locations across the system and

Microsoft on Monday disclosed that it mitigated a security flaw affecting Azure Synapse and Azure Data Factory that, if successfully exploited, could result in remote code execution. The vulnerability, tracked as CVE-2022-29972, has been codenamed "SynLapse" by researchers from Orca Security, who reported the flaw to Microsoft in January 2022. <!--adsense-->...

The U.S. Department of Transportation's Pipeline and Hazardous Materials Safety Administration (PHMSA) has proposed a penalty of nearly $1 million to Colonial Pipeline for violating federal safety regulations, worsening the impact of the ransomware attack last year. The $986,400 penalty is the result of an inspection conducted by the regulator...

The maintainers of the RubyGems package manager have addressed a critical security flaw that could have been abused to remove gems and replace them with rogue versions under specific circumstances. "Due to a bug in the yank action, it was possible for any RubyGems.org user to remove and replace certain...

RA Wallpaper. In this article, I step through the process of exploiting a windows machine by enumerating services running on open ports, abusing insecure DNS dynamic updates, and elevating my privileges on the domain controller using PrintSpoofer exploit. This challenge is available on the TryHackMe platform and is titled “Ra...

Unless you are living completely off the grid, you know the horrifying war in Ukraine and the related geopolitical tensions have dramatically increased cyberattacks and the threat of even more to come. The Cybersecurity and Infrastructure Security Agency (CISA) provides guidance to US federal agencies in their fight against cybercrime,...

Cybersecurity researchers have shed light on an actively maintained remote access trojan called DCRat (aka DarkCrystal RAT) that's offered on sale for "dirt cheap" prices, making it accessible to professional cybercriminal groups and novice actors alike. "Unlike the well-funded, massive Russian threat groups crafting custom malware [...], this remote access...

A new set of trojanized apps spread via the Google Play Store has been observed distributing the notorious Joker malware on compromised Android devices. Joker, a repeat offender, refers to a class of harmful apps that are used for billing and SMS fraud, while also performing a number of actions of a...

The Computer Emergency Response Team of Ukraine (CERT-UA) has warned of phishing attacks that deploy an information-stealing malware called Jester Stealer on compromised systems. The mass email campaign carries the subject line "chemical attack" and contains a link to a macro-enabled Microsoft Excel file, opening which leads to computers getting...

The U.S. State Department has announced rewards of up to $10 million for any information leading to the identification of key individuals who are part of the infamous Conti cybercrime gang. Additionally, it's offering another $5 million for intelligence information that could help arrest or convict individuals who are conspiring or attempting...

Days after F5 released patches for a critical remote code execution vulnerability affecting its BIG-IP family of products, security researchers are warning that they were able to create an exploit for the shortcoming. Tracked CVE-2022-1388 (CVSS score: 9.8), the flaw relates to an iControl REST authentication bypass that, if successfully exploited, could...

Introduction Continue reading on InfoSec Write-ups »

TryHackMe — Nessus Hello All, Today I am going to write about a beginner level room in TryHackMe- i.e., Nessus. Let’s start. I know that so many of you who are trying to come into the Security domain or who were working in this field are familiar with this tool. For those who...

Let’s see what shellcodes are and how we can Identify and Analyze them. Shellcode illustration Background Shellcode is a sequence of instructions (Opcodes) that represent hex-values and can appear in variant formats in the code (as strings). This sequence is used as a payload of the code to execute in memory...

Hi Hackers!! I am again back with a new vulnerability on the Kerala Government website. For those who don’t know me, Search my name on Google “Krishnadev P Melevila” The target site was: http://edistrict.kerala.gov.in/ What is E-District Portal? Kerala E-District Portal Website Secured By Krishnadev P MelevilaKerala E-District project intend to...

Hello Tenderfoot hackers, welcome you to the world of hacking. You came here because you don’t want to be a script kiddie in this generation of hacking. you need to know how to write your own hacking tools and also you have to know how to write your own malware(ie:-virus,...

India’s Biggest Hack — 1100+ Security bugs in Indian Government Websites and Servers compromised Summary: I’m Karthikeyan V, Founder and CEO of Cappricio Securities, a cyber security firm situated in Chennai, Tamilnadu. We are started to reveal the list of security flaws (bugs) discovered earlier while testing Indian government websites. Because the...

The U.S. Treasury Department on Friday moved to sanction virtual currency mixer Blender.io, marking the first time a mixing service has been subjected to economic blockades. The move signals continued efforts on the part of the government to prevent North Korea's Lazarus Group from laundering the funds stolen from the unprecedented...

A new malicious campaign has been spotted taking advantage of Windows event logs to stash chunks of shellcode for the first time in the wild. "It allows the 'fileless' last stage trojan to be hidden from plain sight in the file system," Kaspersky researcher Denis Legezo said in a technical write-up published...

QNAP, Taiwanese maker of network-attached storage (NAS) devices, on Friday released security updates to patch nine security weaknesses, including a critical issue that could be exploited to take over an affected system. "A vulnerability has been reported to affect QNAP VS Series NVR running QVR," QNAP said in an advisory. "If exploited,...

Cybersecurity researchers have discovered a new Windows malware with worm-like capabilities and is propagated by means of removable USB devices. Attributing the malware to a cluster named "Raspberry Robin," Red Canary researchers noted that the worm "leverages Windows Installer to reach out to QNAP-associated domains and download a malicious DLL." The earliest...

A pay-per-install (PPI) malware service known as PrivateLoader has been spotted distributing a "fairly sophisticated" framework called NetDooka, granting attackers complete control over the infected devices. "The framework is distributed via a pay-per-install (PPI) service and contains multiple parts, including a loader, a dropper, a protection driver, and a full-featured...

Backdoor from HackTheBox — Detailed Walkthrough Showing all the tools and techniques needed to complete the box. Machine Information Backdoor from HackTheBox Backdoor is an easy machine on HackTheBox. We start by finding a basic WordPress site with a vulnerable plugin. This allows directory traversal and local file inclusion, which we use to...

The China-based threat actor known as Mustang Panda has been observed refining and retooling its tactics and malware to strike entities located in Asia, the European Union, Russia, and the U.S. "Mustang Panda is a highly motivated APT group relying primarily on the use of topical lures and social engineering...

“MurilandOracle” (2021) published a TryHackMe tutorial room discussing a simple ThinVNC vulnerability, a bit of exploit development and testing, and the PrintNightmare vulnerability. In my never-ending quest to “break the rules,” this room took about a week longer for me to complete than MurilandOracle intended. Nonetheless, doing the room was...

I have only 1% chance to hack this company using SSRF vulnerability Today I will share with you the first vulnerability I found on SerpApi, LLC. I found this vulnerability right after I finished my onboarding process at SerpApi, LLC. Table of Contents — The Target. — Weaponizing the vulnerability. — Exploitation. — Impact and severity. — Report timeline. — Ending. The Target...

Cliche Writeup — ångstromCTF 2022 Mutation XSS in DOMPurify and marked Last weekend, I played the ångstromCTF 2022 with my team FAUST. During the CTF, I came across a relatively simple constructed but clever web challenge that I want to share with you. This is the writeup for cliche. If you are only...

Google has released monthly security patches for Android with fixes for 37 flaws across different components, one of which is a fix for an actively exploited Linux kernel vulnerability that came to light earlier this year. Tracked as CVE-2021-22600 (CVSS score: 7.8), the vulnerability is ranked "High" for severity and could be...

The National Institute of Standards and Technology (NIST) on Thursday released an updated cybersecurity guidance for managing risks in the supply chain, as it increasingly emerges as a lucrative attack vector. "It encourages organizations to consider the vulnerabilities not only of a finished product they are considering using, but also...

Google today announced plans to implement support for passwordless logins in Android and the Chrome web browser to allow users to sign in across different devices and websites irrespective of the platform. "This will simplify sign-ins across devices, websites, and applications no matter the platform - without the need for a single...

The developers who create the software, applications and programs that drive digital business have become the lifeblood of many organizations. Most modern businesses would not be able to (profitably) function, without competitive applications and programs, or without 24-hour access to their websites and other infrastructure. And yet, these very same...

Two high-severity security vulnerabilities, which went undetected for several years, have been discovered in a legitimate driver that's part of Avast and AVG antivirus solutions. "These vulnerabilities allow attackers to escalate privileges enabling them to disable security products, overwrite system components, corrupt the operating system, or perform malicious operations unimpeded,"

Salesforce-owned subsidiary Heroku on Thursday acknowledged that the theft of GitHub integration OAuth tokens further involved unauthorized access to an internal customer database. The company, in an updated notification, revealed that a compromised token was abused to breach the database and "exfiltrate the hashed and salted passwords for customers' user accounts."...

An ElasticSearch server instance that was left open on the Internet without a password contained sensitive financial information about loans from Indian and African financial services. The leak, which was discovered by researchers from information security company UpGuard, amounted to 5.8GB and consisted of a total of 1,686,363 records. "Those...

Cisco Systems on Wednesday shipped security patches to contain three flaws impacting its Enterprise NFV Infrastructure Software (NFVIS) that could permit an attacker to fully compromise and take control over the hosts. Tracked as CVE-2022-20777, CVE-2022-20779, and CVE-2022-20780, the vulnerabilities "could allow an attacker to escape from the guest virtual...

Cloud security and application delivery network (ADN) provider F5 on Wednesday released patches to contain 43 bugs spanning its products. Of the 43 issues addressed, one is rated Critical, 17 are rated High, 24 are rated Medium, and one is rated low in severity. Chief among the flaws is CVE-2022-1388, which carries...

My approach and learnings from solving the ‘No Space Between Us’ challenge as part of the NahamCon 2022 CTF. This specific challenge was only solved by 62 teams out of over 4,000 teams who participated in the CTF. I recently took part in the awesome 2022 NahamCon CTF as part of...

The U.S. Securities and Exchange Commission (SEC) on Tuesday announced that it will expand and rebrand its Cyber Unit to fight against cyber-related threats and protect investors in cryptocurrency markets. To that end, the SEC is renaming the Cyber Unit within the Division of Enforcement to Crypto Assets and Cyber Unit and...

An elusive and sophisticated cyberespionage campaign orchestrated by the China-backed Winnti group has managed to fly under the radar since at least 2019. Dubbed "Operation CuckooBees" by Israeli cybersecurity company Cybereason, the massive intellectual property theft operation enabled the threat actor to exfiltrate hundreds of gigabytes of information. Targets included...

The application implemented invisible captcha as a user friendly way to avoid spam for user-signups. But the problem was, this was the only way the application implemented defence against spamming. Firstly, you can see how invisible captcha looks like being used in a website. I used a python script to create...

A pre-authenticated remote code execution vulnerability has been disclosed in dotCMS, an open-source content management system written in Java and "used by over 10,000 clients in over 70 countries around the globe, from Fortune 500 brands and mid-sized businesses." The critical flaw, tracked as CVE-2022-26352, stems from a directory traversal...

A growing number of threat actors are using the ongoing Russo-Ukrainian war as a lure in various phishing and malware campaigns, even as critical infrastructure entities continue to be heavily targeted. "Government-backed actors from China, Iran, North Korea and Russia, as well as various unattributed groups, have used various Ukraine war-related themes...

A Chinese-aligned cyberespionage group has been observed striking the telecommunication sector in Central Asia with versions of malware such as ShadowPad and PlugX. Cybersecurity firm SentinelOne tied the intrusions to an actor it tracks under the name "Moshen Dragon," with tactical overlaps between the collective and another threat group referred...

An analysis of four months of chat logs spanning more than 40 conversations between the operators of Conti and Hive ransomware and their victims has offered an insight into the groups' inner workings and their negotiation techniques. In one exchange, the Conti Team is said to have significantly reduced the...

Cybersecurity researchers have disclosed an unpatched security vulnerability that could pose a serious risk to IoT products. The issue, which was originally reported in September 2021, affects the Domain Name System (DNS) implementation of two popular C libraries called uClibc and uClibc-ng that are used for developing embedded Linux systems. <!--adsense--> uClibc is known...

Cybersecurity researchers have detailed as many as five severe security flaws in the implementation of TLS protocol in several models of Aruba and Avaya network switches that could be abused to gain remote access to enterprise networks and steal valuable information. The findings follow the March disclosure of TLStorm, a set...

Introduction Continue reading on InfoSec Write-ups »