Zebra2104 Initial Access Broker Supports Rival Malware Gangs, APTs

Three separate threat groups are all using a common initial access broker IAB to enable their cyberattacks, according to researchers – a finding that has revealed a tangled web of related attack infrastructure underpinning disparate and in some cases rival malware campaigns. The BlackBerry Resear...

VulnCheck KEV: CVE-2020-5847

Unraid contains a vulnerability due to the insecure use of the extract PHP function that can be abused to execute remote code as root. This CVE is chainable with CVE-2020-5849 for initial access...

What is fileless malware?

Unlike traditional malware, which relies on a file being written to a disk, fileless malware is intended to be memory resident only, ideally leaving no trace after its execution. The malicious payload exists in the computer’s memory, which means nothing is ever written directly to the hard drive...

Ransomware Group FIN12 Aggressively Going After Healthcare Targets

An "aggressive" financially motivated threat actor has been identified as linked to a string of RYUK ransomware attacks since October 2018, while maintaining close partnerships with TrickBot-affiliated threat actors and using a publicly available arsenal of tools such as Cobalt Strike Beacon...

Airline Credential-Theft Takes Off in Widening Campaign

A two-year-old espionage campaign against the airline industry is ongoing, with AsyncRAT and other commodity remote-access trojans RATs helping those efforts take flight. The campaign can effectively be a bird strike to the business engine, so to speak, resulting in data theft, financial fraud or...

Awesome-Red-Teaming

This is an offensive tool for Red Teaming. It is a list of resources for anyone wishing to learn about Red Teaming, including initial access, execution, persistence, privilege escalation, defense evasion, credential access, discovery, lateral movement, collection, exfiltration, command and contro...

Analyzing the REvil Ransomware Attack

Over the past year, there has been a rise in extortion malware, e.g. Nefilim and Darkside, which steal and threaten to publish sensitive data or encrypt it until a ransom is paid. Nowadays, cybercriminals use various techniques to gain their initial foothold within a network in the organization...

Cobalt Strike Usage Explodes Among Cybercrooks

The use of Cobalt Strike – the legitimate, commercially available tool used by network penetration testers – by cybercrooks has shot through the roof, according to Proofpoint researchers, who say that the tool has now “gone fully mainstream in the crimeware world.” The researchers have tracked a...

Avaddon Ransomware Gang Evaporates Amid Global Crackdowns

Ransomware group Avaddon has decided to shutter its criminal enterprise after landing in the crosshairs of law-enforcement agencies in the U.S. and Australia. Avaddon, a prolific ransomware-as-a-service RaaS provider, released its decryption keys to BleepingComputer — 2,934 in total — with each k...

Researchers: Booming Cyber-Underground Market for Initial-Access Brokers

It’s well known that email is often the gateway for cybercriminals looking to infiltrate a corporate network. But rather than do the heavy lifting themselves, ransomware gangs are buying their way onto networks, partnering with other criminal groups that have already paved the way for entry with...

Ransomware Attackers Partnering With Cybercrime Groups to Hack High-Profile Targets

As ransomware attacks against critical infrastructure skyrocket, new research shows that threat actors behind such disruptions are increasingly shifting from using email messages as an intrusion route to purchasing access from cybercriminal enterprises that have already infiltrated major targets...

FBI-CISA Joint Advisory on Exploitation of Fortinet FortiOS Vulnerabilities

The Federal Bureau of Investigation FBI and CISA have released a Joint Cybersecurity Advisory CSA to warn users and administrators of the likelihood that advanced persistent threat APT actors are actively exploiting known Fortinet FortiOS vulnerabilities CVE-2018-13379, CVE-2020-12812, and...

Nim-Based Malware Loader Spreads Via Spear-Phishing Emails

The TA800 threat group is distributing a malware loader, which researchers call NimzaLoader, via ongoing, highly-targeted spear-phishing emails. While previous Twitter analysis identified this loader as a mere variant of TA800’s existing BazaLoader malware, new research cites evidence that...

Shining a Light on SolarCity: Practical Exploitation of the X2e IoT Device (Part One)

In 2019, Mandiant’s Red Team discovered a series of vulnerabilities present within Digi International’s ConnectPort X2e device, which allows for remote code execution as a privileged user. Specifically, Mandiant’s research focused on SolarCity’s now owned by Tesla rebranded ConnectPort X2e device...

SolarWinds Hackers Also Breached Malwarebytes Cybersecurity Firm

Malwarebytes on Tuesday said it was breached by the same group who broke into SolarWinds to access some of its internal emails, making it the fourth major cybersecurity vendor to be targeted after FireEye, Microsoft, and CrowdStrike. The company said its intrusion was not the result of a SolarWin...

Exploit for Incorrect Default Permissions in Microsoft

Awesome Red Teaming List of Awesome Red Team / Red Teaming Resources This list is for anyone wishing to learn about Red Teaming but do not have a starting point. Anyway, this is a living resources and will update regularly with latest Adversarial Tactics and Techniques based on Mitre ATT&CK You c...

Advanced Persistent Threat Actors Targeting U.S. Think Tanks

Summary This Advisory uses the MITRE Adversarial Tactics, Techniques, and Common Knowledge ATT &CK® framework. See the ATT&CK for Enterprise for all referenced threat actor tactics and techniques. The Cybersecurity and Infrastructure Security Agency CISA and the Federal Bureau of Investigation FB...

Awesome-Red-Teaming

This is a list of resources for Red Teaming, a list that will be updated regularly with the latest adversarial tactics and techniques based on the Mitre ATT&CK framework. The list covers various topics such as Initial Access, Execution, Persistence, Privilege Escalation, Defense Evasion, Credenti...

CVE-2020-16974

An elevation of privilege vulnerability exists when the Windows Backup Service improperly handles file operations. To exploit this vulnerability, an attacker would first have to gain execution on the victim system. An attacker could then run a specially crafted application to elevate privileges...

CVE-2020-16912

An elevation of privilege vulnerability exists when the Windows Backup Service improperly handles file operations. To exploit this vulnerability, an attacker would first have to gain execution on the victim system. An attacker could then run a specially crafted application to elevate privileges...