Detecting and mitigating a multi-stage AiTM phishing and BEC campaign

Microsoft Defender Experts uncovered a multi-stage adversary-in-the-middle AiTM phishing and business email compromise BEC attack against banking and financial services organizations. The attack originated from a compromised trusted vendor and transitioned into a series of AiTM attacks and...

Command injection

Aria Operations for Networks contains a command injection vulnerability. A malicious actor with network access to VMware Aria Operations for Networks may be able to perform a command injection attack resulting in remote code execution...

CVE-2023-2602

A vulnerability was found in the pthreadcreate function in libcap. This issue may allow a malicious actor to use cause realpthreadcreate to return an error, which can exhaust the process memory...

ALPINE-CVE-2023-2602

A vulnerability was found in the pthreadcreate function in libcap. This issue may allow a malicious actor to use cause realpthreadcreate to return an error, which can exhaust the process memory...

CVE-2023-2602

A vulnerability was found in the pthreadcreate function in libcap. This issue may allow a malicious actor to use cause realpthreadcreate to return an error, which can exhaust the process memory...

Information disclosure

Exposure of Sensitive Information to an unauthorized actor vulnerability in MB Connect Lines mbCONNECT24, mymbCONNECT24 and Helmholz' myREX24 and myREX24.virtual in versions =2.13.3 allow an authorized remote attacker with low privileges to view a limited amount of another accounts contact...

CVE-2023-2602

CVE-2023-2602 affects the libcap library via the pthread_create() path, where error handling can cause memory leakage and potential local denial of service. Connected advisories show multiple vendors applying fixes (e.g., libcap2 updates in Debian 11, Amazon Linux 2/2023, AlmaLinux, Cloud Foundry...

CVE-2023-2602

A vulnerability was found in the pthreadcreate function in libcap. This issue may allow a malicious actor to use cause realpthreadcreate to return an error, which can exhaust the process memory...

A New Horabot Botnet Threat Targeting Spanish-Speaking Users in the Americas

Threat Level Attack Report For a detailed threat advisory, download the pdf file here Summary A new botnet program called "Horabot" is being used by a threat actor to deploy a banking trojan and spam tool, targeting Spanish-speaking users in the Americas. To receive real-time threat advisories,...

Malicious PyPI Packages Using Compiled Python Code to Bypass Detection

Researchers have discovered a novel attack on the Python Package Index PyPI repository that employs compiled Python code to sidestep detection by application security tools. "It may be the first supply chain attack to take advantage of the fact that Python bytecode PYC files can be directly...

Cybercriminals Targeting Apache NiFi Instances for Cryptocurrency Mining

A financially motivated threat actor is actively scouring the internet for unprotected Apache NiFi instances to covertly install a cryptocurrency miner and facilitate lateral movement. The findings come from the SANS Internet Storm Center ISC, which detected a spike in HTTP requests for "/nifi" o...

Design/Logic Flaw

VMware Workspace ONE Access and VMware Identity Manager contain an insecure redirect vulnerability. An unauthenticated malicious actor may be able to redirect a victim to an attacker controlled domain due to improper path handling leading to sensitive information disclosure...

CVE-2023-20884

VMware Workspace ONE Access and VMware Identity Manager contain an insecure redirect vulnerability. An unauthenticated malicious actor may be able to redirect a victim to an attacker controlled domain due to improper path handling leading to sensitive information disclosure...

Void Rabisu’s Use of RomCom Backdoor Shows a Growing Shift in Threat Actors’ Goals

Void Rabisu, a malicious actor believed to be associated with the RomCom backdoor, was thought to be driven by financial gain because of its ransomware attacks. But in this blog entry, we discuss how the use of the RomCom backdoor in recent attacks shows how Void Rabisu's motives seem to have...

CVE-2023-2602

A vulnerability was found in the pthreadcreate function in libcap. This issue may allow a malicious actor to use cause realpthreadcreate to return an error, which can exhaust the process memory...

Fallback handlers can trick users into calling functions of the AmbireAccount contract

Lines of code Vulnerability details Fallback handlers can trick users into calling functions of the AmbireAccount contract Selector clashing can be used to trick users into calling base functions of the wallet. Impact Fallback handlers provide extensibility to the Ambire wallet. The main idea her...

New PowerExchange Backdoor Used in Iranian Cyber Attack on UAE Government

An unnamed government entity associated with the United Arab Emirates U.A.E. was targeted by a likely Iranian threat actor to breach the victim's Microsoft Exchange Server with a "simple yet effective" backdoor dubbed PowerExchange. According to a new report from Fortinet FortiGuard Labs, the...

Alert: Brazilian Hackers Targeting Users of Over 30 Portuguese Banks

A Brazilian threat actor is targeting more than 30 Portuguese financial institutions with information-stealing malware as part of a long-running campaign that commenced in 2021. "The attackers can steal credentials and exfiltrate users' data and personal information, which can be leveraged for...

China's Stealthy Hackers Infiltrate U.S. and Guam Critical Infrastructure Undetected

A stealthy China-based group managed to establish a persistent foothold into critical infrastructure organizations in the U.S. and Guam without being detected, Microsoft and the "Five Eyes" nations said on Wednesday. The tech giant's threat intelligence team is tracking the activity, which includ...

Volt Typhoon targets US critical infrastructure with living-off-the-land techniques

Microsoft has uncovered stealthy and targeted malicious activity focused on post-compromise credential access and network system discovery aimed at critical infrastructure organizations in the United States. The attack is carried out by Volt Typhoon, a state-sponsored actor based in China that...