825 matches found
ZuoRAT Malware Hijacking Home-Office Routers to Spy on Targeted Networks
A never-before-seen remote access trojan dubbed ZuoRAT has been singling out small office/home office SOHO routers as part of a sophisticated campaign targeting North American and European networks. The malware "grants the actor the ability to pivot into the local network and gain access to...
Malicious Package
Overview th-simple-keyring is a malicious package. The package's name is based on existing repositories, namespaces, or components used by popular companies in an effort to trick employees into downloading it, also known as 'dependency confusion'. Therefore, you're only vulnerable if this package...
Avos ransomware group expands with new attack arsenal
By Flavio Costa, Chris Neal and Guilherme Venere. In a recent customer engagement, we observed a month-long AvosLocker campaign. The attackers utilized several different tools, including Cobalt Strike, Sliver and multiple commercial network scanners. The initial ingress point in this incident...
SharpSniper - Find Specific Users In Active Directory Via Their Username And Logon IP Address
Often a Red Team engagement is more than just achieving Domain Admin. Some clients will want to see if specific users in the domain can be compromised, for example the CEO. SharpSniper is a simple tool to find the IP address of these users so that you can target their box. It requires that you ha...
“Multiple adversaries” exploiting Confluence vulnerability, warns Microsoft
Microsoft has warned that "multiple adversaries and nation-state actors" are making use of the recent Atlassian Confluence RCE vulnerability. A fix is now available for CVE-2022-26134. It is essential users of Confluence address the patching issue immediately. Confluence vulnerability: Background...
Patch Your WSO2: CVE-2022-29464 Exploited to Install Linux-Compatible Cobalt Strike Beacons, Other Malware
Users of WSO2 products are advised to update their respective products and platforms or to apply the temporary mitigation steps immediately...
C2concealer - Command Line Tool That Generates Randomized C2 Malleable Profiles For Use In Cobalt Strike
C2concealer is a command line tool that generates randomized C2 malleable profiles for use in Cobalt Strike. Installation chmod u+x install.sh ./install.sh Building Docker image docker build -t C2concealer . Running with Docker docker container run -it -v :/usr/share/cobaltstrike/ C2concealer...
Researchers Expose Inner Workings of Billion-Dollar Wizard Spider Cybercrime Gang
The inner workings of a cybercriminal group known as the Wizard Spider have been exposed, shedding light on its organizational structure and motivations. "Most of Wizard Spider's efforts go into hacking European and U.S. businesses, with a special cracking tool used by some of their attackers to...
getDutchAuctionStrike () will return an unfavourable output for seller
Lines of code Vulnerability details Impact The protocol depends on the mentioned function decrementing to 0 or to the reserveStrikeif any is set by the seller of the option. After testing the efficiency of of getDutchAuctionStrike , it will return a value lower than the reserveStrike 2-3hrs prior...
This New Fileless Malware Hides Shellcode in Windows Event Logs
A new malicious campaign has been spotted taking advantage of Windows event logs to stash chunks of shellcode for the first time in the wild. "It allows the 'fileless' last stage trojan to be hidden from plain sight in the file system," Kaspersky researcher Denis Legezo said in a technical write-...
Experts Uncover New Espionage Attacks by Chinese 'Mustang Panda' Hackers
The China-based threat actor known as Mustang Panda has been observed refining and retooling its tactics and malware to strike entities located in Asia, the European Union, Russia, and the U.S. "Mustang Panda is a highly motivated APT group relying primarily on the use of topical lures and social...
Attackers Use Event Logs to Hide Malware
Researchers have discovered a malicious campaign utilizing a never-before-seen technique for quietly planting fileless malware on target machines. The technique involves injecting shellcode directly into Windows event logs. This allows adversaries to use the Windows event logs as a cover for...
LDAPFragger - Command And Control Tool That Enables Attackers To Route Cobalt Strike Beacon Data Over LDAP
LDAPFragger is a Command and Control tool that enables attackers to route Cobalt Strike beacon data over LDAP using user attributes. For background information, read the release blog: http://blog.fox-it.com/2020/03/19/ldapfragger-command-and-control-over-ldap-attributes Dependencies and...
Chinese "Override Panda" Hackers Resurface With New Espionage Attacks
A Chinese state-sponsored espionage group known as Override Panda has resurfaced in recent weeks with a new phishing attack with the goal of stealing sensitive information. "The Chinese APT used a spear-phishing email to deliver a beacon of a Red Team framework known as 'Viper,'" Cluster25 said i...
Russian Hackers Targeting Diplomatic Entities in Europe, Americas, and Asia
A Russian state-sponsored threat actor has been observed targeting diplomatic and government entities as part of a series of phishing campaigns commencing on January 17, 2022. Threat intelligence and incident response firm Mandiant attributed the attacks to a hacking group tracked as APT29 aka Co...
DDoS attacks in Q1 2022
News overview The DDoS landscape in Q1 2022 was shaped by the ongoing conflict between Russia and Ukraine: a significant part of all DDoS-related news concerned these countries. In mid-January, the website of Kyiv Mayor Vitali Klitschko was hit by a DDoS attack, and the websites of a number of...
Hive Ransomware targets organizations with ProxyShell exploit
THREAT LEVEL: Red. For a detailed advisory, download the pdf file here Hive Ransomware has been active since its discovery in June 2021, and it is constantly deploying different backdoors, including the Cobalt Strike beacon, on Microsoft Exchange servers that are vulnerable to ProxyShell...
New Incident Report Reveals How Hive Ransomware Targets Organizations
A recent Hive ransomware attack carried out by an affiliate involved the exploitation of "ProxyShell" vulnerabilities in the Microsoft Exchange Server that were disclosed last year to encrypt an unnamed customer's network. "The actor managed to achieve its malicious goals and encrypt the...
Shhhloader - SysWhispers Shellcode Loader
Shhhloader is a SysWhispers Shellcode Loader that is currently a Work in Progress. It takes raw shellcode as input and compiles a C++ stub that has been integrated with SysWhispers in order to bypass AV/EDR. The included python builder will work on any Linux system that has Mingw-w64 installed. T...
Microsoft Disrupts ZLoader Cybercrime Botnet in Global Operation
Microsoft and a consortium of cybersecurity companies took legal and technical steps to disrupt the ZLoader botnet, seizing control of 65 domains that were used to control and communicate with the infected hosts. "ZLoader is made up of computing devices in businesses, hospitals, schools, and home...