Malicious Ads Targeting Chinese Users with Fake Notepad++ and VNote Installers

Chinese users looking for legitimate software such as Notepad++ and VNote on search engines like Baidu are being targeted with malicious ads and bogus links to distribute trojanized versions of the software and ultimately deploy Geacon, a Golang-based implementation of Cobalt Strike. "The malicio...

Exploit for CVE-2024-28741

NorthStar C2 agent RCE via stored XSS Agent RCE PoC for CVE-20...

NorthStar C2 Agent 1.0 Cross Site Scripting / Remote Command Execution Exploit

NorthStar C2 agent version 1.0 applies insufficient sanitization on agent registration routes, allowing an unauthenticated attacker to send multiple malicious agent registration requests to the teamserver to incrementally build a functioning javascript payload in the logs web page. This cross sit...

NorthStar C2 XSS to Agent RCE

NorthStar C2, prior to commit 7674a44 on March 11 2024, contains a vulnerability where the logs page is vulnerable to a stored xss. An unauthenticated user can simulate an agent registration to cause the XSS and take over a users session. With this access, it is then possible to run a new payload...

NorthStar C2 Agent 1.0 Cross Site Scripting / Remote Command Execution

Exploit Title: NorthStar C2 agent RCE via stored XSS Date: 2024-03-11 Exploit Author: @chebuya Software Link: https://github.com/EnginDemirbilek/NorthStarC2 Version: v1.0 Tested on: Ubuntu 20.04 LTS CVE: CVE-2024-28741 Description: NorthStar C2 applies insufficient sanitization on agent...

PT-2024-2648 · Egindemirbilek · Northstar C2

Name of the Vulnerable Software and Affected Versions: EginDemirbilek NorthStar C2 version 1 Description: The issue allows a remote attacker to execute arbitrary code via the login.php component due to a Cross Site Scripting vulnerability. This vulnerability exists because of the lack of protecti...

Hackers Exploit ConnectWise ScreenConnect Flaws to Deploy TODDLERSHARK Malware

North Korean threat actors have exploited the recently disclosed security flaws in ConnectWise ScreenConnect to deploy a new malware called TODDLERSHARK. According to a report shared by Kroll with The Hacker News, TODDLERSHARK overlaps with known Kimsuky malware such as BabyShark and ReconShark...

New Backdoor Targeting European Officials Linked to Indian Diplomatic Events

A previously undocumented threat actor dubbed SPIKEDWINE has been observed targeting officials in European countries with Indian diplomatic missions using a new backdoor called WINELOADER. The adversary, according to a report from Zscaler ThreatLabz, used a PDF file in emails that purported to co...

TinyTurla-NG in-depth tooling and command and control analysis

Cisco Talos, in cooperation with CERT.NGO, has discovered new malicious components used by the Turla APT. New findings from Talos illustrate the inner workings of the command and control C2 scripts deployed on the compromised WordPress servers utilized in the compromise we previously disclosed...

Turla Expands Their Arsenal with Next-Generation Malwares

Summary: In December 2023, a new backdoor dubbed TinyTurla-NG was deployed by the Russia-affiliated threat actor Turla as part of a three-month campaign targeting Polish non-governmental organizations NGOs. The threat actor utilized malicious PowerShell scripts hosted on various websites,...

RustDoor macOS Backdoor Targets Cryptocurrency Firms with Fake Job Offers

Several companies operating in the cryptocurrency sector are the target of a newly discovered Apple macOS backdoor codenamed RustDoor. RustDoor was first documented by Bitdefender last week, describing it as a Rust-based malware capable of harvesting and uploading files, as well as gathering...

RCE to Sliver: IR Tales from the Field

Rapid7 Incident Response consultants Noah Hemker, Tyler Starks, and malware analyst Tom Elkins contributed analysis and insight to this blog. Rapid7 Incident Response was engaged to investigate an incident involving unauthorized access to two publicly-facing Confluence servers that were the sourc...

Glupteba Botnet Evades Detection with Undocumented UEFI Bootkit

The Glupteba botnet has been found to incorporate a previously undocumented Unified Extensible Firmware Interface UEFI bootkit feature, adding another layer of sophistication and stealth to the malware. "This bootkit can intervene and control the operating system boot process, enabling Glupteba t...

U.S. DoJ Dismantles Warzone RAT Infrastructure, Arrests Key Operators

The U.S. Justice Department DoJ on Friday announced the seizure of online infrastructure that was used to sell a remote access trojan RAT called Warzone RAT. The domains – www.warzone.ws and three others – were "used to sell computer malware used by cybercriminals to secretly access and steal dat...

HeadCrab 2.0 Goes Fileless, Targeting Redis Servers for Crypto Mining

Cybersecurity researchers have detailed an updated version of the malware HeadCrab that's known to target Redis database servers across the world since early September 2021. The development, which comes exactly a year after the malware was first publicly disclosed by Aqua, is a sign that the...

Nitrogen shelling malware from hacked sites

Nitrogen is the name given to a campaign and associated malware that have been distributed via malicious search ads. Its signature move is using Python and DLL side-loading to connect to the attackers command and control server. In this blog post, we look at a recent Nitrogen campaign and...

China-Linked Hackers Target Myanmar's Top Ministries with Backdoor Blitz

The China-based threat actor known as Mustang Panda is suspected to have targeted Myanmar's Ministry of Defence and Foreign Affairs as part of twin campaigns designed to deploy backdoors and remote access trojans. The findings come from CSIRT-CTI, which said the activities took place in November...

New ZLoader Malware Variant Surfaces with 64-bit Windows Compatibility

Threat hunters have identified a new campaign that delivers the ZLoader malware, resurfacing nearly two years after the botnet's infrastructure was dismantled in April 2022. A new variant of the malware is said to have been in development since September 2023, Zscaler ThreatLabz said in an analys...

SystemBC Malware's C2 Server Analysis Exposes Payload Delivery Tricks

Cybersecurity researchers have shed light on the command-and-control C2 server workings of a known malware family called SystemBC. "SystemBC can be purchased on underground marketplaces and is supplied in an archive containing the implant, a command-and-control C2 server, and a web administration...

LODEINFO Fileless Malware Evolves with Anti-Analysis and Remote Code Tricks

Cybersecurity researchers have uncovered an updated version of a backdoor called LODEINFO that's distributed via spear-phishing attacks. The findings come from Japanese company ITOCHU Cyber & Intelligence, which said the malware "has been updated with new features, as well as changes to the...