#StopRansomware: Hive Ransomware

Actions to Take Today to Mitigate Cyber Threats from Ransomware: 1. Prioritize remediating known exploited vulnerabilities. 2. Enable and enforce multifactor authentication with strong passwords. 3. Close unused ports and remove any application not deemed necessary for day-to-day operations...

Ducktail Malware Operation Evolves with New Malicious Capabilities

The operators of the Ducktail information stealer have demonstrated a "relentless willingness to persist" and continued to update their malware as part of an ongoing financially driven campaign. "The malware is designed to steal browser cookies and take advantage of authenticated Facebook session...

Here's How to Ensure Your Incident Response Strategy is Ready for Holiday Hackers

The best line of defense against holiday hacking schemes is a comprehensive incident response strategy that focuses on end-user vulnerabilities. The holiday season is upon us and with it a slew of cybersecurity scams preying on end-user vulnerabilities. Because employees often use their business...

Luna Moth Gang Invests in Call Centers to Target Businesses with Callback Phishing Campaigns

The Luna Moth campaign has extorted hundreds of thousands of dollars from several victims in the legal and retail sectors. The attacks are notable for employing a technique called callback phishing or telephone-oriented attack delivery TOAD, wherein the victims are social engineered into making a...

U.S. Authorities Seize Domains Used in 'Pig butchering' Cryptocurrency Scams

The U.S. Justice Department DoJ on Monday announced the takedown of seven domain names in connection to a "pig butchering" cryptocurrency scam. The fraudulent scheme, which operated from May to August 2022, netted the actors over $10 million from five victims, the DoJ said. Pig butchering, also...

DEV-0569 finds new ways to deliver Royal ransomware, various payloads

Recent activity from the threat actor that Microsoft tracks as DEV-0569, known to distribute various payloads, has led to the deployment of the Royal ransomware, which first emerged in September 2022 and is being distributed by multiple threat actors. Observed DEV-0569 attacks show a pattern of...

CISA and FBI Release Advisory on Iranian Government-Sponsored APT Actors Compromising Federal Network

Today, CISA and the Federal Bureau of Investigation FBI published a joint Cybersecurity Advisory CSA, Iranian Government-Sponsored APT Actors Compromise Federal Network, Deploy Crypto Miner, Credential Harvester. The CSA provides information on an incident at a Federal Civilian Executive Branch...

Russia’s New Cyberwarfare in Ukraine Is Fast, Dirty, and Relentless

Security researchers see updated tactics and tools—and a tempo change—in the cyberattacks Russia’s GRU military intelligence agency is inflicting on Ukraine...

Inside Raccoon Stealer V2

Raccoon Stealer is back on the news again. US officials arrested Mark Sokolovsky, one of the malware actors behind this program. In July 2022, after several months of the shutdown, a Raccoon Stealer V2 went viral. Last week, the Department of Justice's press release stated that the malware...

DEV-0832 (Vice Society) opportunistic ransomware campaigns impacting US education sector

In recent months, Microsoft has detected active ransomware and extortion campaigns impacting the global education sector, particularly in the US, by a threat actor we track as DEV-0832, also known as Vice Society. Shifting ransomware payloads over time from BlackCat, QuantumLocker, and Zeppelin,...

Defenders beware: A case for post-ransomware investigations

Ransomware is one of the most pervasive threats that Microsoft Detection and Response Team DART responds to today. The groups behind these attacks continue to add sophistication to their tactics, techniques, and procedures TTPs as most network security postures increase. In this blog, we detail a...

Evolution of BazarCall Social Engineering Tactics

Evolution of BazarCall Social Engineering Tactics By Daksh Kapur · October 6, 2022 What is BazarCall? As nicely defined in this article by Microsoft: BazarCall campaigns forgo malicious links or attachments in email messages in favor of phone numbers that recipients are misled into calling. It’s ...

DeftTorero: tactics, techniques and procedures of intrusions revealed

Earlier this year, we started hunting for possible new DeftTorero aka Lebanese Cedar, Volatile Cedar artifacts. This threat actor is believed to originate from the Middle East and was publicly disclosed to the cybersecurity community as early as 2015. Notably, no other intelligence was shared unt...

CISA and NSA Publish Joint Cybersecurity Advisory on Control System Defense

CISA and the National Security Agency NSA have published a joint cybersecurity advisory about control system defense for operational technology OT and industrial control systems ICSs. Control System Defense: Know the Opponent is intended to provide critical infrastructure owners and operators wit...

Iranian State Actors Conduct Cyber Operations Against the Government of Albania

CISA and the Federal Bureau of Investigation FBI have released a joint Cybersecurity Advisory CSA, Iranian State Actors Conduct Cyber Operations Against the Government of Albania, detailing malicious cyber operations that included ransomware and disk wiper, rendering websites and services...

Evasive Shikitega Linux malware drops Monero cryptominer

Researchers from the AT&T Alien Labs Resarch have discovered a new and stealthy Linux malware it's dubbed Shikitega. Once it's on a machine or device, Shitega executes a "multistage infection chain" involving small files, a couple of vulnerabilities, and the use of Mettle, a portable Metasploit...

#StopRansomware: Vice Society

CISA, the Federal Bureau of Investigation FBI, and the Multi-State Information Sharing and Analysis Center MS-ISAC have released a joint Cybersecurity Advisory CSA, StopRansomware: Vice Society, to disseminate tactics, techniques, and procedures TTPs and indicators of compromise IOCs associated...

Business Email Compromise Attack Tactics

Is BEC more damaging than ransomware? What tactics are BEC actors using? How can organizations bolster their defenses? Jon Clay, VP of threat intelligence, tackles these pertinent questions and more to help reduce cyber risk...

#StopRansomware: MedusaLocker

Summary Actions to take today to mitigate cyber threats from ransomware: • Prioritize remediating known exploited vulnerabilities. • Train users to recognize and report phishing attempts. • Enable and enforce multifactor authentication. Note: this joint Cybersecurity Advisory CSA is part of an...

Bank fraud scammers trick victims with claims of bogus Zelle transfers

It pays to be careful where cold calls from someone claiming to work for your bank are concerned. Scam callers are impersonating bank staff, with suggestions of dubious payments made to your account. One unfortunate individual has already lost around $1,000 to this slice of telephone-banking base...