A New Jupyter Malware Version is Being Distributed via MSI Installers

Cybersecurity researchers have charted the evolution of Jupyter, a .NET infostealer known for singling out healthcare and education sectors, which make it exceptional at defeating most endpoint security scanning solutions. The new delivery chain, spotted by Morphisec on September 8, underscores...

Google Warns of a New Way Hackers Can Make Malware Undetectable on Windows

Cybersecurity researchers have disclosed a novel technique adopted by a threat actor to deliberately evade detection with the help of malformed digital signatures of its malware payloads. "Attackers created malformed code signatures that are treated as valid by Windows but are not able to be...

Direct windows syscall evasion technique

This module allows you to generate a Windows EXE that evades Host-based security products such as EDR/AVs. It uses direct windows syscalls to achieve stealthiness, and avoid EDR hooking. please try to use payloads that use a more secure transfer channel such as HTTPS or RC4 in order to avoid...

BlackMatter Ransomware Analysis; The Dark Side Returns

ARCHIVED STORY BlackMatter Ransomware Analysis; The Dark Side Returns By Alexandre Mundo and Marc Elias · September 22, 2021 BlackMatter is a new ransomware threat discovered at the end of July 2021. This malware started with a strong group of attacks and some advertising from its developers that...

Basket.handleFees() (contracts/Basket.sol#110-129) performs a multiplication on the result of a division

Handle 0xalpharush Vulnerability details Impact Users can burn tokens and evade fees by backrunning other transactions that result in handleFee being called. Proof of Concept Following another transaction that results in lastFee being updated, an attacker can call burn and withdraw their tokens...

Attackers Impersonate DoT in Two-Day Phishing Scam

Threat actors impersonated the U.S. Department of Transportation USDOT in a two-day phishing campaign that used a combination of tactics – including creating new domains that mimic federal sites so as to appear to be legitimate – to evade security detections. Between Aug. 16-18, researchers at...

ZLoader’s Back, Abusing Google AdWords, Disabling Windows Defender

A targeted campaign delivering the ZLoader banking trojan is spreading via Google AdWords, and is using a mechanism to disable all Windows Defender modules on victim machines, researchers have found. That’s according to SentinelLabs, which said that to lower the rates of detection, the infection...

TeamTNT’s New Tools Target Multiple OSes

The TeamTNT malware pushers have a slew of new toys with which to wreak havoc – multiple shell/batch scripts, open-source tools, a cryptocurrency miner, an IRC and more – that have inflicted more than 5,000 infections globally as antivirus AV tools struggle to catch up with the newest malware...

This New Malware Family Using CLFS Log Files to Avoid Detection

Cybersecurity researchers have disclosed details about a new malware family that relies on the Common Log File System CLFS to hide a second-stage payload in registry transaction files in an attempt to evade detection mechanisms. FireEye's Mandiant Advanced Practices team, which made the discovery...

LockFile Ransomware Uses Never-Before Seen Encryption to Avoid Detection

Researchers discovered a novel ransomware emerging on the heels of the ProxyShell vulnerabilities discovery in Microsoft Exchange servers. The threat, dubbed LockFile, uses a unique “intermittent encryption” method as a way to evade detection as well as adopting tactics from previous ransomware...

Microsoft Warns of Widespread Phishing Attacks Using Open Redirects

Microsoft is warning of a widespread credential phishing campaign that leverages open redirector links in email communications as a vector to trick users into visiting malicious websites while effectively bypassing security software. "Attackers combine these links with social engineering baits th...

Widespread credential phishing campaign abuses open redirector links

Microsoft has been actively tracking a widespread credential phishing campaign using open redirector links. Attackers combine these links with social engineering baits that impersonate well-known productivity tools and services to lure users into clicking. Doing so leads to a series of...

Threat actors using CAPTCHA to evade phishing, malware detection

By Waqas According to researchers, cybercriminals are abusing legitimate challenge and response services like Google’s reCAPTCHA or deploying customized fake CAPTCHA-like validation. This is a post from HackRead.com Read the original post: Threat actors using CAPTCHA to evade phishing, malware...

Dell EMC PowerScale OneFS OS Command Injection Vulnerability

Dell EMC PowerScale OneFS is an API-driven file system. version 8.2.-9.2.1. of Dell EMC PowerScale OneFS is vulnerable to OS command injection. An attacker with ISIPRIVLOGINSSH or ISIPRIVLOGINCONSOLE privileges can exploit this vulnerability to elevate privileges and evade compliance assurance...

New AdLoad Variant Bypasses Apple's Security Defenses to Target macOS Systems

A new wave of attacks involving a notorious macOS adware family has evolved to leverage around 150 unique samples in the wild in 2021 alone, some of which have slipped past Apple's on-device malware scanner and even signed by its own notarization service, highlighting the malicious software ongoi...

Cyberattackers Embrace CAPTCHAs to Hide Phishing

Cyberattackers are using Google’s reCAPTCHA aka the “I am not a robot” function and fake CAPTCHA-like services to obscure various phishing and other campaigns, according to researchers. There are signs however that those evasion efforts may be losing their efficacy. CAPTCHAs are familiar to most...

Hackers Spotted Using Morse Code in Phishing Attacks to Evade Detection

Microsoft has disclosed details of an evasive year-long social engineering campaign wherein the operators kept changing their obfuscation and encryption mechanisms every 37 days on average, including relying on Morse code, in an attempt to cover their tracks and surreptitiously harvest user...

AdLoad Malware 2021 Samples Evade Apple XProtect

A swelling wave of AdLoad malware infections in macOS devices is cresting its way past Apple’s on-device malware scanner, researchers said. The campaign is using around 150 unique samples, some of which are signed by Apple’s notarization service. AdLoad is a well-known Apple threat that’s been...

CVE-2021-34574 Password policy evasion in products of MB connect line and Helmholz

In MB connect line mymbCONNECT24, mbCONNECT24 and Helmholz myREX24 and myREX24.virtual in all versions through v2.11.2 an authenticated attacker can change the password of his account into a new password that violates the password policy by intercepting and modifying the request that is send to t...

Phony Call Centers Tricking Users Into Installing Ransomware and Data-Stealers

An ongoing malicious campaign that employs phony call centers has been found to trick victims into downloading malware capable of data exfiltration as well as deploying ransomware on infected systems. The attacks — dubbed "BazaCall" — eschew traditional social engineering techniques that rely on...