Since a full-scale invasion of Ukraine, cybercriminal groups of russian origin have relentlessly targeted the Ukrainian state bodies and business sectors for espionage and destruction. Recently, cybersecurity researchers uncovered a massive cyber-espionage campaign exploiting a 7-Zip zero-day vulnerability to deliver SmokeLoader malware. The campaign’s ultimate objective was cyber espionage, intensifying the digital frontlines of the […]
Lumma Stealer, nefarious info-stealing malware, resurfaces in the cyber threat arena. Defenders recently uncovered an advanced adversary campaign distributing Lumma Stealer through GitHub infrastructure along with other malware variants, including SectopRAT, Vidar, and Cobeacon. Detect Lumma Stealer, SectopRAT, Vidar, Cobeacon Deployed via GitHub Lumma Stealer is a notorious data-stealing malware that extracts credentials, cryptocurrency wallets, […]
Financially motivated hackers are behind an ongoing malicious campaign targeting Poland and Germany. These phishing attacks aim to deploy multiple payloads, including Agent Tesla, Snake Keylogger, and a novel backdoor dubbed TorNet, which is delivered via PureCrypter malware. Detect TorNet Backdoor A significant rise in phishing campaigns, with a 202% increase in phishing messages over […]
Defenders shed light on a set of vulnerabilities in Ivanti Cloud Service Appliances (CSA) that can be chained for further exploitation. The latest joint alert by CISA and FBI notifies the global defender community of at least two exploit chains using Invanti vulnerabilities tracked as CVE-2024-8963, CVE-2024-9379, CVE-2024-8190, and CVE-2024-9380. Adversaries can take advantage of exploit […]
Adversaries frequently leverage legitimate tools in their malicious campaigns. The popular AnyDesk remote utility has also been largely exploited by hackers for offensive purposes. Cyber defenders have unveiled the recent misuse of AnyDesk software to connect to targeted computers, masquerading the malicious efforts as CERT-UA activity. Detect Cyber-Attacks Exploiting AnyDesk Based on CERT-UA Research Adversaries […]
Hot on the heels of the release of the first PoC exploit for a critical RCE vulnerability in the Windows LDAP, known as CVE-2024-49112, another vulnerability in the same software protocol in Windows environments is causing a stir. A discovery of CVE-2024-49113, a new denial-of-service (DoS) vulnerability, also known as LDAPNightmare, is hitting the headlines […]
Security experts have uncovered a novel Strela Stealer campaign, which leverages a new iteration of email credential-stealing malware. In this campaign, the updated malware version is enriched with enhanced functionality and is now capable of gathering system configuration data via the “system info” utility. Moreover, Strela Stealer expanded its targets beyond Spain, Italy, and Germany […]
Hard on the heels of the cyber-espionage campaign by UAC-0099 via the phishing attack vector, another hacking collective has evolved in the cyber threat arena to target Ukrainian organizations. CERT-UA notifies defenders about the discovery of fake websites that mimic the official page of the “Army+” application and are hosted using the Cloudflare Workers service. […]
Researchers have uncovered a new malicious campaign using voice phishing (vishing) to spread the DarkGate malware. In this attack, adversaries masqueraded themselves as the known client on a Microsoft Teams call, tricking the victims into downloading AnyDesk for remote access and further deploying malware. Detect DarkGate Malware Attacks In the early summer of 2024, the […]
The UAC-0099 hacking collective, which has been launching targeted cyber-espionage attacks against Ukraine since the second half of 2022, resurfaces in the cyber threat arena. The CERT-UA team has observed a spike in the group’s malicious activity throughout November-December 2024 against Ukrainian government entities using the phishing attack vector and spreading LONEPAGE malware. Detect UAC-0099 […]