Cerber Ransomware Exploits Atlassian Confluence Vulnerability CVE-2023-22518
We encountered the Cerber ransomware exploiting the Atlassian Confluence vulnerability CVE-2023-22518 in its operations. Read More HERE…
Trend Micro Research : Research
Threat Actors Leverage File-Sharing Service and Reverse Proxies for Credential Harvesting
We analyzed a phishing campaign involving malicious emails containing a link to a file-sharing solution, which further leads to a PDF document with a secondary link designed to steal login info and session cookies. Read More HERE…
Attacks on 5G Infrastructure From User Devices: ASN.1 Vulnerabilities in 5G Cores
In the second part of this series, we will examine how attackers can trigger vulnerabilities by sending control messages masquerading as user traffic to cross over from user plane to control plane. Read More HERE…
Beware: Lumma Stealer Distributed via Discord CDN
This blog discusses how threat actors abuse Discord’s content delivery network (CDN) to host and spread Lumma Stealer, and talks about added capabilities to the information stealing malware. Read More HERE…
Void Rabisu Targets Female Political Leaders with New Slimmed-Down ROMCOM Variant
Almost a year after Void Rabisu shifted its targeting from opportunistic ransomware attacks with an emphasis on cyberespionage, the threat actor is still developing its main malware, the ROMCOM backdoor. Read More HERE…
Exposing Infection Techniques Across Supply Chains and Codebases
This entry delves into threat actors’ intricate methods to implant malicious payloads within seemingly legitimate applications and codebases. Read More HERE…
Earth Lusca Employs New Linux Backdoor, Uses Cobalt Strike for Lateral Movement
While monitoring Earth Lusca, we discovered an intriguing, encrypted file on the threat actor’s server — a Linux-based malware, which appears to originate from the open-source Windows backdoor Trochilus, which we’ve dubbed SprySOCKS due to its swift behavior and SOCKS implementation. Read More HERE…
RedLine/Vidar Abuses EV Certificates, Shifts to Ransomware
In this blog, we investigate how threat actors used information-stealing malware with EV code signing certificates and later delivered ransomware payloads to its victims via the same delivery method. Read More HERE…
Analyzing a Facebook Profile Stealer Written in Node.js
We analyze an information stealer written in Node.js, packaged into an executable, exfiltrated stolen data via both Telegram bot API and a C&C server, and employed GraphQL as a channel for C&C communication. Read More HERE…
Stealthy Android Malware MMRat Carries Out Bank Fraud Via Fake App Stores
The Trend Micro Mobile Application Reputation Service (MARS) team discovered a new, fully undetected Android banking trojan, dubbed MMRat, that has been targeting mobile users in Southeast Asia since late June 2023. Read More HERE…