Guidance for investigating attacks using CVE-2023-23397

This guide provides steps organizations can take to assess whether users have been targeted or compromised by threat actors exploiting CVE-2023-23397. A successful exploit of this vulnerability can result in unauthorized access to an organization’s environment by triggering a Net-NTLMv2 hash leak...

Guidance for investigating attacks using CVE-2023-23397

This guide provides steps organizations can take to assess whether users have been targeted or compromised by threat actors exploiting CVE-2023-23397. A successful exploit of this vulnerability can result in unauthorized access to an organization’s environment by triggering a Net-NTLMv2 hash leak...

Microsoft SQL Server 2014 / 2016 / 2017 / 2019 / 2022 Audit Logging Failure Vulnerability

Microsoft SQL Server 2014, 2016, 2017, 2019, and 2022 appears to ignore audit rules for sys.sysxlgns allowing an attacker with administrative permissions to extract password hashes under the radar. Microsoft told the researcher they are not willing to fix it but acknowledge it as a security...

Microsoft SQL Server 2014 / 2016 / 2017 / 2019 / 2022 Audit Logging Failure

Title: Microsoft SQL Server Password Hash Exposure Product: Database Manufacturer: Microsoft Affected Versions: 2012-2022 Risk Level: Medium CVE Reference: N/A Author of Advisory: Emad Al-Mousa Overview: SQL Server is a popular database system, and database systems are a vital backbone in IT...

New Version of Prometei Botnet Infects Over 10,000 Systems Worldwide

An updated version of a botnet malware called Prometei has infected more than 10,000 systems worldwide since November 2022. The infections are both geographically indiscriminate and opportunistic, with a majority of the victims reported in Brazil, Indonesia, and Turkey. Prometei, first observed i...

Lazarus Group Exploits Zero-Day Vulnerability to Hack South Korean Financial Entity

The North Korea-linked Lazarus Group has been observed weaponizing flaws in an undisclosed software to breach a financial business entity in South Korea twice within a span of a year. While the first attack in May 2022 entailed the use of a vulnerable version of a certificate software that's wide...

Lazarus Group Exploits Zero-Day Vulnerability to Hack South Korean Financial Entity

The North Korea-linked Lazarus Group has been observed weaponizing flaws in an undisclosed software to breach a financial business entity in South Korea twice within a span of a year. While the first attack in May 2022 entailed the use of a vulnerable version of a certificate software that's wide...

US Marshals Service hit by ransomware and data breach

The US Marshals Service USMS says it's suffered a ransomware attack in which a threat actor managed to get hold of sensitive information about staff and fugitives. On February 17, 2023, the attacker infiltrated a system that held information about ongoing investigations, including personally...

Arrested: Fearmongering data thieves who victimized thousands of businesses

The Dutch police have announced the arrest of three more suspects in one of the biggest data extortion cases to date. The men, all aged between 18 and 21, were allegedly involved in extorting businesses and selling stolen data to other criminals. During a two-year investigation the police learned...

Get-AppLockerEventlog - Script For Fetching Applocker Event Log By Parsing The Win-Event Log

This script will parse all the channels of events from the win-event log to extract all the log relatives to AppLocker. The script will gather all the important pieces of information relative to the events for forensic or threat-hunting purposes, or even in order to troubleshoot. Here are the log...

Hacked Cellebrite and MSAB Software Released

Cellebrite is an cyberweapons arms manufacturer that sells smartphone forensic software to governments around the world. MSAB is a Swedish company that does the same thing. Someone has released software and documentation from both companies...

Maternal & Family Health Services discloses ransomware attack months after discovery

Maternal & Family Health Services MFHS, a nonprofit healthcare giant based in Pennsylvania, said in an advisory and press release that it has suffered a ransomware attack which led to the potential exposure of sensitive data of patients, employees, and vendors. That data includes names, addresses...

Prefetch-Hash-Cracker - A Small Util To Brute-Force Prefetch Hashes

Motivation During the forensic analysis of a Windows machine, you may find the name of a deleted prefetch file. While its content may not be recoverable, the filename itself is often enough to find the full path of the executable for which the prefetch file was created. Using the tool The followi...

The art and science behind Microsoft threat hunting: Part 1

At Microsoft, we define threat hunting as the practice of actively looking for cyberthreats that have covertly or not so covertly penetrated an environment. This involves looking beyond the known alerts or malicious threats to discover new potential threats and vulnerabilities. Why do incident...

The art and science behind Microsoft threat hunting: Part 1

At Microsoft, we define threat hunting as the practice of actively looking for cyberthreats that have covertly or not so covertly penetrated an environment. This involves looking beyond the known alerts or malicious threats to discover new potential threats and vulnerabilities. Why do incident...

Microsoft investigates Iranian attacks against the Albanian government

Shortly after the destructive cyberattacks against the Albanian government in mid-July, the Microsoft Detection and Response Team DART was engaged by the Albanian government to lead an investigation into the attacks. At the time of the attacks and our engagement by the Albanian government,...

Can your EDR handle a ransomware attack? 6-point checklist for an anti-ransomware EDR

Most cybersecurity experts agree that having Endpoint Detection and Response software is essential to fighting ransomware today--but not every EDR is equal. Businesses, especially small-to-medium sized ones with limited budget or IT resources, need to make sure that their EDR is cost-effective,...

Pict - Post-Infection Collection Toolkit

This set of scripts is designed to collect a variety of data from an endpoint thought to be infected, to facilitate the incident response process. This data should not be considered to be a full forensic data collection, but does capture a lot of useful forensic information. If you want true...

Ransomware protection with Malwarebytes EDR: Your FAQs, answered!

We get a few questions about ransomware protection and how our Endpoint Detection and Response software can protect you from ransomware. In this post, our security experts answer some of your most frequently asked questions about ransomware and how our EDR can help—let’s get started. Q: When...

HackerOne: June 2022 Incident Report

Intro Since the founding of HackerOne, we have kept a steadfast commitment to disclosing security incidents because we believe that sharing security information far and wide is essential to building a safer internet. HackerOne's culture is to disclose more often, and in more detail than the rest ...