CERT-UA researchers have recently published a novel heads-up that covers ongoing phishing attacks against Ukraine involving distribution of Remcos RAT. The group in charge of this offensive campaign, which involves massively distributing spoofing emails with a false sender identity masquerading as the Security Service of Ukraine, is tracked as UAC-0050. UAC-0050 Attack Analysis Covered in […]
This November, a set of new zero-days in the popular software products are emerging in the cyber domain, like CVE-2023-22518 affecting all versions of Confluence Data Center and Server. Shortly after its disclosure, another zero-day flaw in SysAid IT software tracked under CVE-2023-47246 comes to the scene. Microsoft revealed traces of vulnerability exploitation, with the […]
Organizations have to constantly struggle with an avalanche of threats while relying on a straightforward and proactive method to dynamically assess the performance of their security programs. Introducing a threat-informed defense strategy empowers organizations to focus on known threats and dynamically test defenses by equipping teams with better data and insights into their security program […]
Just over a month after the disclosure of a critical Confluence zero-day tracked as CVE-2023-22515, a novel vulnerability emerges in the cyber threat arena impacting Atlassian products. Adversaries are setting eyes on a recently fixed and maximum severity vulnerability known as CVE-2023-22518 in all versions of Confluence Data Center and Confluence Server, which enables them […]
Offensive forces continuously look for new ways to gain access to the domain environment and sustain their presence by leveraging multiple attack vectors and experimenting with diverse adversary tools and techniques. For instance, they can take advantage of revealed security flaws as in the case of adversary attempts to exploit the vulnerability in Microsoft’s Windows […]
Hard on the heels of a new surge in the long-running Balada Injector campaign exploiting CVE-2023-3169, another critical security bug in popular software products comes to the spotlight. A new privilege escalation vulnerability affecting Cisco IOS XE software is actively exploited in the wild to help install implants on the impacted devices. The uncovered zero-day […]
CERT-UA researchers notify defenders of the persistent malicious campaign impacting more than 11 telecom providers. The UAC-0165 group behind these destructive attacks has been targeting the Ukrainian telecom sector for a period of over 5 months aiming to cripple the critical infrastructure, which fuels the need for thorough research among defenders to preempt potential threats. […]
Over a month ago, defenders warned the peer community of CVE-2023-4634, a critical WordPress vulnerability actively exploited in the wild and impacting an overwhelming number of WordPress sites across the globe. Following that campaign, another malicious operation comes to the forefront. A fresh surge in the long-lasting Balada Injector malware campaign has already impacted over […]
In early October 2023, the UAC-0006 group was observed behind a series of at least four cyber attacks targeting Ukraine, as CERT-UA researchers report. Attackers applied a similar adversary toolkit as in July 2034, leveraging SmokeLoader in the latest phishing campaign. SmokeLoader Delivery: UAC-0006 Attack Analysis On October 6, 2023, CERT-UA released four alerts notifying […]
Atlassian has recently notified defenders of a critical privilege escalation vulnerability in its Confluence software. The uncovered issue identified as CVE-2023-22515 poses severe risks to impacted Confluence installations as it is actively weaponized by attackers. Detect CVE-2023-22515 Exploits With the ever-increasing numbers of CVEs leveraged in real-world attacks, proactive detection of vulnerability exploitation remains one […]