Stealer for PIX payment system, new Lumar stealer and Rhysida ransomware

Introduction As a cybersecurity company, Kaspersky is constantly dealing with known and brand-new malware samples. As part of our crimeware reporting service, we provide our customers with technical reports on the evolution of existing crimeware families, as well as newly emerging ones. In this...

Export apps setting and import by using PowerShell

Export apps setting from one delivery group and import to a different delivery group by using PowerShell...

Multiple State-Sponsored Groups Exploit WinRAR Vulnerability in Phishing Attacks

Threat Level Attack Report For a detailed threat advisory, download the pdf file here Summary A series of phishing attacks linked to a Russian state-sponsored group, leveraging a WinRAR vulnerability to steal data, including browser credentials via PowerShell commands and exfiltrating it through ...

Google TAG Detects State-Backed Threat Actors Exploiting WinRAR Flaw

A number of state-back threat actors from Russia and China have been observed exploiting a recent security flaw in the WinRAR archiver tool for Windows as part of their operations. The vulnerability in question is CVE-2023-38831 CVSS score: 7.8, which allows attackers to execute arbitrary code wh...

Clever malvertising attack uses Punycode to look like KeePass’s official website

Threat actors are known for impersonating popular brands in order to trick users. In a recent malvertising campaign, we observed a malicious Google ad for KeePass, the open-source password manager which was extremely deceiving. We previously reported on how brand impersonations are a common...

Discord: A Playground for Nation-State Hackers Targeting Critical Infrastructure

In what's the latest evolution of threat actors abusing legitimate infrastructure for nefarious ends, new findings show that nation-state hacking groups have entered the fray in leveraging the social platform for targeting critical infrastructure. Discord, in recent years, has become a lucrative...

Pro-Russian Hackers Exploiting Recent WinRAR Vulnerability in New Campaign

Pro-Russian hacking groups have exploited a recently disclosed security vulnerability in the WinRAR archiving utility as part of a phishing campaign designed to harvest credentials from compromised systems. "The attack involves the use of malicious archive files that exploit the recently discover...

Malicious NuGet Package Targeting .NET Developers with SeroXen RAT

A malicious package hosted on the NuGet package manager for the .NET Framework has been found to deliver a remote access trojan called SeroXen RAT. The package, named Pathoschild.Stardew.Mod.Build.Config and published by a user named Disti, is a typosquat of a legitimate package called...

#StopRansomware: AvosLocker Ransomware (Update)

Actions to take today to mitigate cyber threats from AvosLocker ransomware: 1. Securing remote access tools 2. Restricting RDP and other remote desktop services 3. Securing PowerShell and/or restrict usage 4. Update software to latest version and apply patching updates regularly...

Description of the security update for Microsoft Exchange Server 2019 and 2016: October 10, 2023 (KB5030877)

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Set machines into maintenance mode through powershell

Should be able to set machines into maintenance mode though powershell commands...

Progress Software WS_FTP Unauthenticated Remote Code Execution

This module requires Metasploit: https://metasploit.com/download Current source: https://github.com/rapid7/metasploit-framework class MetasploitModule 'Progress Software WSFTP Unauthenticated Remote Code Execution', 'Description' = %q This module exploits an unsafe .NET deserialization...

Citrix Remote PowerShell SDK installation failed with error code 0x80040801

Install or upgrade Remote PowerShell SDK in an environment with restricted internet access might be failed as below...

Progress Software WS_FTP Unauthenticated Remote Code Execution

This module exploits an unsafe .NET deserialization vulnerability to achieve unauthenticated remote code execution against a vulnerable WSFTP server running the Ad Hoc Transfer module. All versions of WSFTP Server prior to 2020.0.4 version 8.7.4 and 2022.0.2 version 8.8.2 are vulnerable to this...

CVE-2023-40581

yt-dlp is a youtube-dl fork with additional features and fixes. yt-dlp allows the user to provide shell command lines to be executed at various stages in its download steps through the --exec flag. This flag allows output template expansion in its argument, so that metadata values may be used in...

New Variant of Banking Trojan BBTok Targets Over 40 Latin American Banks

An active malware campaign targeting Latin America is dispensing a new variant of a banking trojan called BBTok, particularly users in Brazil and Mexico. "The BBTok banker has a dedicated functionality that replicates the interfaces of more than 40 Mexican and Brazilian banks, and tricks the...

Z9 - PowerShell Script Analyzer

Abstract This tools detects the artifact of the PowerShell based malware from the eventlog of PowerShell logging. Online Demo Install git clone https://github.com/Sh1n0g1/z9 How to use usage: z9.py -h --output OUTPUT -s --no-viewer --utf8 input positional arguments: input Input file path options:...

NodeStealer Malware Now Targets Facebook Business Accounts on Multiple Browsers

An ongoing campaign is targeting Facebook Business accounts with bogus messages to harvest victims' credentials using a variant of the Python-based NodeStealer and potentially take over their accounts for follow-on malicious activities. "The attacks are reaching victims mainly in Southern Europe...

CVE-2023-36777

creationtimestamp| type| source ---|---|--- 2023-09-13 10:06:37+00:00| seen| https://t.me/kasperskyb2b/872 2024-09-19 18:02:10+00:00| seen| https://www.thezdi.com/blog/2024/9/18/exploiting-exchange-powershell-after-proxynotshell-part-3-dll-loading-chain-for-rce...

CVE-2023-36744

creationtimestamp| type| source ---|---|--- 2023-09-12 20:29:25+00:00| seen| https://t.me/cibsecurity/70333 2024-09-19 18:02:10+00:00| seen| https://www.thezdi.com/blog/2024/9/18/exploiting-exchange-powershell-after-proxynotshell-part-3-dll-loading-chain-for-rce 2026-07-26 07:01:24+00:00| seen|...