Vulnerabilities affecting popular software expose thousands of organizations in diverse industry sectors to severe threats. October has been rich in uncovering critical security flaws in widely used software products, like CVE-2023-4966, a hazardous Citrix NetScaler vulnerability, and CVE-2023-20198 zero-day affecting Cisco IOS XE. In the last decade of October 2023, defenders warned the global community […]
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 […]
Adding to the list of critical Citrix NetScaler zero-days, security researchers warn of a new dangerous vulnerability (CVE-2023-4966) continuously exploited in the wild despite a patch issued in October. Marked as an information-disclosure flaw, CVE-2023-4966 enables threat actors to hijack existing authenticated sessions and potentially result in a multifactor authentication (MFA) bypass. According to security […]
Microsoft 365 (M365) is leveraged by over a million global companies, which can pose severe threats to the customers relying on this popular software in case of compromise. Since it possesses a set of default configurations, adversaries can set their eyes on them and exploit the latter exposing affected users to significant security risks, which […]
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 […]
Novel LostTrust ransomware emerged in the cyber threatscape in early spring 2023. However, the adversary campaign hit the headlines only in September when ransomware operators were observed leveraging data leak sites and payloads quite similar to the offensive tools used by the MetaEncryptor gang. Defenders are raising concerns in response to the growing threats as […]
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 previous campaigns, leveraging SmokeLoader in the latest phishing operation. 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 […]