This article highlights the original research conducted by CERT-UA: https://cert.gov.ua/article/37829. On March 18, 2022, the Computer Emergency Response Team for Ukraine (CERT-UA) reported about the malicious activity associated with InvisiMole (UAC-0035) hacking collective that launched a targeted spear-phishing campaign against Ukrainian organizations to deliver a LoadEdge backdoor. InvisiMole is a sophisticated cyberespionage group that is […]
This article covers the original investigation by CERT-UA: https://cert.gov.ua/article/37815.Ā On March 17, 2022, the government emergency response team of Ukraine CERT-UA revealed that the Ukrainian government infrastructure was hit by a massive spear-phishing campaign aimed at SPECTR malware delivery. The campaign was launched by Vermin (UAC-0020) hacking collective associated with the so-called Luhansk Peopleās Republic […]
Gh0stCringe Malware: Variant of Notorious Gh0st RAT The Gh0stCringe, or CirenegRAT malware, based on the code of Gh0st RAT, is back, jeopardizing poorly protected Microsoft SQL and MySQL database servers. This remote access trojan (RAT) was first spotted in December 2018, and resurfaced in 2020 in China-linked cyber espionage attacks against governmental and corporate networks […]
NIGHT SPIDERās Zloader trojan has been quietly operating for the last few months at a global scale, conducting an intrusion campaign on a number of enterprises in various industries. The primary way to install malware was hidden within the legitimate software. For leveraging initial access, attackers used bundled .msi installers. The payloads were aimed at […]
Cyberspace is yet another frontier in the Russia-Ukraine war. Russia-backed large-scale Ńyber-attacks accompany military aggression against Ukraine, aiming to bring key elements of Ukrainian infrastructure offline. The newly spotted CaddyWiper malware adds to a strain of previously revealed cyber threats ā HermeticWiper, WhisperGate, and IsaacWiper. The novel data wiping malware does not bear a resemblance […]
The notorious Emotet is back, having its Epoch 5 resurgence after all the command and control (C&C) servers of the botnet were disrupted in a joint international law enforcement Operation Ladybird in early 2021. As per researchers, it was only a matter of time for Emotetās C&C infrastructure to restore and begin a full-fledged cyber-attack […]
A notorious Initial Access Broker PROPHET SPIDER was found exploiting CVE-2021-22941 vulnerability to gain unauthorized access to a Microsoft Internet Information Services (IIS) webserver. Cybercriminals aim at breaching organizationsā security systems to block sensitive data and then sell access to ransomware groups. Exploiting the abovementioned path-traversal vulnerability allows adversaries to deliver a webshell that would […]
The APT41 actors compromised six and counting U.S. state government networks starting May last year. APT41 conducted numerous exploits of public-facing web applications, including using notorious zero-day in Log4j, and leveraging a CVE-2021-44207 in USAHERDS web application, which is used in 18 states to monitor and report on animal health. Recent attacks are characterized by […]
The Chinese state-sponsored APT group TA416 (aka Mustang Panda/Red Delta) has been found targeting European government agencies and diplomatic entities that deliver services for Ukrainian refugees and migrants who flee from Russian aggression. A detailed analysis shows that attackers primarily aim at conducting long-term cyber-espionage campaigns rather than chasing immediate gains. The research conducted by […]
A novel bug dubbed Dirty Pipe (CVE-2022-0847) enables privilege escalation and allows attackers to gain root access by overwriting data in read-only files and SUID binaries. The weakness lies in the faulty handling of pipe buffer flags by Linux Kernel. The name refers to a Linux mechanism of processesā interaction within the OS, dubbed a […]