Top 5 ransomware detection techniques: Pros and cons of each

In the fight against ransomware, much of the discussion revolves around prevention and response. Actually detecting the ransomware, however, is just as important to securing your business. To understand why, just consider the following example. Lets say youre a farmer taking care of a flock of...

Recovering Passwords by Measuring Residual Heat

Researchers have used thermal cameras and ML guessing techniques to recover passwords from measuring the residual heat left by fingers on keyboards. From the abstract: We detail the implementation of ThermoSecure and make a dataset of 1,500 thermal images of keyboards with heat traces resulting...

New Report Uncovers Emotet's Delivery and Evasion Techniques Used in Recent Attacks

Threat actors associated with the notorious Emotet malware are continually shifting their tactics and command-and-control C2 infrastructure to escape detection, according to new research from VMware. Emotet is the work of a threat actor tracked as Mummy Spider aka TA542, emerging in June 2014 as ...

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...

Why Organisations Need Both EDR and NDR for Complete Network Protection

Endpoint devices like desktops, laptops, and mobile phones enable users to connect to enterprise networks and use their resources for their day-to-day work. However, they also expand the attack surface and make the organisation vulnerable to malicious cyberattacks and data breaches. Why Modern...

Mystery Hackers Are ‘Hyperjacking’ Targets for Insidious Spying

For decades, security researchers warned about techniques for hijacking virtualization software. Now one group has put them into practice...

Hackers Using Malicious OAuth Apps to Take Over Email Servers

Microsoft on Thursday warned of a consumer-facing attack that made use of rogue OAuth applications deployed on compromised cloud tenants to ultimately seize control of Exchange servers and spread spam. "The threat actor launched credential stuffing attacks against high-risk accounts that didn't...

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...

CVE-2022-39958

The OWASP ModSecurity Core Rule Set CRS is affected by a response body bypass to sequentially exfiltrate small and undetectable sections of data by repeatedly submitting an HTTP Range header field with a small byte range. A restricted resource, access to which would ordinarily be detected, may be...

Gamaredon APT targets Ukrainian government agencies in new campaign

By Asheer Malhotra and Guilherme Venere. Cisco Talos recently identified a new, ongoing campaign attributed to the Russia-linked Gamaredon APT that infects Ukrainian users with information-stealing malware. The adversary is using phishing documents containing lures related to the Russian invasion...

PersistenceSniper - Powershell Script That Can Be Used By Blue Teams, Incident Responders And System Administrators To Hunt Persistences Implanted In Windows Machines

PersistenceSniper is a Powershell script that can be used by Blue Teams, Incident Responders and System Administrators to hunt persistences implanted in Windows machines. The script is also available on Powershell Gallery. --- The Why Why writing such a tool, you might ask. Well, for starters, I...

#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...

New Air-Gap Attack Uses MEMS Gyroscope Ultrasonic Covert Channel to Leak Data

A novel data exfiltration technique has been found to leverage a covert ultrasonic channel to leak sensitive information from isolated, air-gapped computers to a nearby smartphone that doesn't even require a microphone to pick up the sound waves. Dubbed GAIROSCOPE, the adversarial model is the...

Researchers Warns of Large-Scale AiTM Attacks Targeting Enterprise Users

A new, large-scale phishing campaign has been observed using adversary-in-the-middle AitM techniques to get around security protections and compromise enterprise email accounts. "It uses an adversary-in-the-middle AitM attack technique capable of bypassing multi-factor authentication," Zscaler...

Experts Find Similarities Between New LockBit 3.0 and BlackMatter Ransomware

Cybersecurity researchers have reiterated similarities between the latest iteration of the LockBit ransomware and BlackMatter, a rebranded variant of the DarkSide ransomware strain that closed shop in November 2021. The new version of LockBit, called LockBit 3.0 aka LockBit Black, was released in...

CVE-2022-20860

A vulnerability in the SSL/TLS implementation of Cisco Nexus Dashboard could allow an unauthenticated, remote attacker to alter communications with associated controllers or view sensitive information. This vulnerability exists because SSL server certificates are not validated when Cisco Nexus...

New variant of Android SpyJoker malware removed from Play Store after 3 million+ installs

Security researcher Maxime Ingrao has found a new variant of Android/Trojan.Spy.Joker which hes dubbed Autolycos. Malware in this family secretly subscribes users to premium services. The researcher noted that the eight applications that contained this malware had racked up a total of over 3...

Researchers Uncover New Attempts by Qakbot Malware to Evade Detection

The operators behind the Qakbot malware are transforming their delivery vectors in an attempt to sidestep detection. "Most recently, threat actors have transformed their techniques to evade detection by using ZIP file extensions, enticing file names with common formats, and Excel XLM 4.0 to trick...

Text-based fraud: from 419 scams to vishing

E-mail scammers typically combine social engineering with technical skills to bypass spam filters and persuade the recipient to reply. But there is a specific class of attacks that is technically stuck somewhere in the late 90s/early 00s, in the era of CRT monitors and sluggish internet: we are...