- ‘Trojan Source’ Hides Invisible Bugs in Source Code
November 1, 2021
Researchers have found a new way to encode potentially evil source code, such that human reviewers see a harmless version and compilers see the invisible, wicked version. Named “Trojan Source attacks,” the method “exploits subtleties in text-encoding standards such as Unicode to produce source code whose tokens are logically encoded in a different order from the ...
- NOBELIUM targeting delegated administrative privileges to facilitate broader attacks
October 25, 2021
The Microsoft Threat Intelligence Center (MSTIC) has detected nation-state activity associated with the threat actor tracked as NOBELIUM, attempting to gain access to downstream customers of multiple cloud service providers (CSP), managed service providers (MSP), and other IT services organizations (referred to as “service providers” for the rest of this blog) that have been granted ...
- FIN7 Lures Unwitting Security Pros to Carry Out Ransomware Attacks
October 22, 2021
The financially motivated cybercrime gang behind the Carbanak backdoor malware, FIN7, has hit upon a genius idea for maximizing profit from ransomware: Hire real pen-testers to do some of their dirty work instead of striking partnerships with other criminals. According to a report from Gemini Advisory, the group has set up a fake security company (called ...
- TA505 Gang Is Back With Newly Polished FlawedGrace RAT
October 19, 2021
The TA505 cybercrime group is whirring its financial rip-off machinery back up, pelting malware at a range of industries in what was initially low-volume waves that researchers saw spiral up late last month. They do bad things, but they’re so tricky that tracking them is a ton of fun, said Sherrod DeGrippo, vice president, Threat Research ...
- PurpleFox Adds New Backdoor That Uses WebSockets
October 19, 2021
In September 2021, the Trend Micro Managed XDR (MDR) team looked into suspicious activity related to a PurpleFox operator. Our findings led us to investigate an updated PurpleFox arsenal, which included an added vulnerability (CVE-2021-1732) and optimized rootkit capabilities leveraged in their attacks. We also found a new backdoor written in .NET implanted during the intrusion, ...
- Case Study: From BazarLoader to Network Reconnaissance
October 18, 2021
BazarLoader is Windows-based malware spread through various methods involving email. These infections provide backdoor access that criminals use to determine whether the host is part of an Active Directory (AD) environment. If so, criminals deploy Cobalt Strike and perform reconnaissance to map the network. If the results indicate a high-value target, criminals attempt lateral movement ...
- TrickBot Gang Enters Cybercrime Elite with Fresh Affiliates
October 15, 2021
The cybercriminals behind the infamous TrickBot trojan have signed two additional distribution affiliates, dubbed Hive0106 (aka TA551) and Hive0107 by IBM X-Force. The result? Escalating ransomware hits on corporations, especially using the Conti ransomware. The development also speaks to the TrickBot gang’s increasing sophistication and standing in the cybercrime underground, IBM researchers said: “This latest development ...
- Actors Target Huawei Cloud Using Upgraded Linux Malware
October 8, 2021
Trend Micro researchers have recently noticed another Linux threat evolution that targets relatively new cloud service providers (CSPs) with cryptocurrency-mining malware and cryptojacking attacks. In this article, they discuss a new Linux malware trend in which malicious actors deploy code that removes applications and services present mainly in Huawei Cloud. Specifically, the malicious code disables the ...
- Hydra malware targets customers of Germany’s second largest bank
October 1, 2021
The Hydra banking trojan is back to targeting European e-banking platform users, and more specifically, customers of Commerzbank, Germany’s second-largest financial institution. MalwareHunterTeam has spotted the two-year-old malware in a new distribution campaign that targets German users with a malicious APK named ‘Commerzbank Security’ and using the same icon as the official app. Read more… Source: Bleeping Computer
- Fake Amnesty International Pegasus scanner used to infect Windows
September 30, 2021
Threat actors are trying to capitalize on the recent revelations on Pegasus spyware from Amnesty International to drop a less-known remote access tool called Sarwent. The malware looks and acts the part of a legitimate antivirus solution specially created to scan the system for traces of Pegasus traces and to remove them. Sarwent-based attacks have been running ...