Credit to Author: Mohamed Fahmy| Date: Fri, 29 Sep 2023 00:00:00 +0000
We observed and tracked the advanced persistent threat (APT) APT34 group with a new malware variant accompanying a phishing attack comparatively similar to the SideTwist backdoor malware. Following the campaign, the group abused a fake license registration form of an African government agency to target a victim in Saudi Arabia.
Read moreCredit to Author: Salim S.I.| Date: Wed, 20 Sep 2023 00:00:00 +0000
Crafted packets from cellular devices such as mobile phones can exploit faulty state machines in the 5G core to attack cellular infrastructure. Smart devices that critical industries such as defense, utilities, and the medical sectors use for their daily operations depend on the speed, efficiency, and productivity brought by 5G. This entry describes CVE-2021-45462 as a potential use case to deploy a denial-of-service (DoS) attack to private 5G networks.
Read moreCredit to Author: Joseph C Chen| Date: Mon, 18 Sep 2023 00:00:00 +0000
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 moreCredit to Author: Hitomi Kimura| Date: Wed, 13 Sep 2023 00:00:00 +0000
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 moreCredit to Author: Ed Cabrera| Date: Fri, 08 Sep 2023 00:00:00 +0000
Discover what the increased regulatory risk due to recent US and UK sanctions imposed on TrickBot and Conti cybercriminals mean for CISOs and board members.
Read moreCredit to Author: Jaromir Horejsi| Date: Tue, 05 Sep 2023 00:00:00 +0000
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 moreCredit to Author: Paul Pajares| Date: Fri, 01 Sep 2023 00:00:00 +0000
In this entry, we summarize the security analyses and investigations done on phishing-as-a-service 16shop through the years. We also outline the partnership between Trend Micro and Interpol in taking down the main administrators and servers of this massive phishing campaign.
Read moreCredit to Author: Ted Lee| Date: Wed, 30 Aug 2023 00:00:00 +0000
We break down a new cyberespionage campaign deployed by a cybercriminal group we named Earth Estries. Analyzing the tactics, techniques, and procedures (TTPs) employed, we observed overlaps with the advanced persistent threat (APT) group FamousSparrow as Earth Estries targets governments and organizations in the technology sector.
Read more