This analysis is a follow-up to the investigation titled ‘Intrusion into Middle East Critical National Infrastructure’, conducted by the FortiGuard Incident Response Team (FGIR), which investigated a long-term cyber intrusion targeting critical national infrastructure (CNI) in the Middle East.
The report revealed that threat actors had installed numerous web shell servers on the compromised system. In this follow-up, we conducted a deep analysis of one of these web shell servers, named UpdateChecker.aspx, which was deployed on the Microsoft IIS (Internet Information Services) server of the compromised system.
Read more…
Source: Fortinet
Sign up for the Cyber Security Review Newsletter
The latest cyber security news and insights delivered right to your inbox
Related:
- New RCE vulnerability impacts nearly half of the internet’s email servers
June 7, 2019
A critical remote command execution (RCE) security flaw impacts over half of the Internet’s email servers, security researchers from Qualys have revealed today. The vulnerability affects Exim, a mail transfer agent (MTA), which is software that runs on email servers to relay emails from senders to recipients. According to a June 2019 survey of all mail servers ...
- A botnet is brute-forcing over 1.5 million RDP servers all over the world
June 6, 2019
Security researchers have discovered a new botnet that has been attacking Windows systems running a Remote Desktop Protocol (RDP) connection exposed to the Internet. Discovered by Renato Marinho of Morphus Labs, the researcher says the botnet has been seen attacking 1,596,571 RDP endpoints, a number that will most likely rise in the coming days. Named GoldBrute, the ...
- BlueKeep ‘Mega-Worm’ Looms as Fresh PoC Shows Full System Takeover
June 5, 2019
A working exploit for the critical remote code-execution flaw shows how an unauthenticated attacker can achieve full run of a victim machine in about 22 seconds. A researcher has created a proof-of-concept Metasploit module for the critical BlueKeep vulnerability, which successfully demonstrates how to achieve complete takeover of a target Windows machine. Reverse engineer Zǝɹosum0x0 tweeted about his ...
- Platinum is back
June 5, 2019
In June 2018, we came across an unusual set of samples spreading throughout South and Southeast Asian countries targeting diplomatic, government and military entities. The campaign, which may have started as far back as 2012, featured a multi-stage approach and was dubbed EasternRoppels. The actor behind this campaign, believed to be related to the notorious ...
- MacOS Zero-Day Allows Trusted Apps to Run Malicious Code
June 3, 2019
A researcher has revealed a zero-day flaw in Apple’s Mojave operating system tied to the way the OS verifies apps. The bug allows attackers to sneak past macOS security measures and run whitelisted apps that have been manipulated to run malicious code. macOS researcher Patrick Wardle revealed the flaw Monday, describing the exploitation of the bug ...
- Zebrocy’s Multilanguage Malware Salad
June 3, 2019
Zebrocy is Russian speaking APT that presents a strange set of stripes. To keep things simple, there are three things to know about Zebrocy Zebrocy is an active sub-group of victim profiling and access specialists Zebrocy maintains a lineage back through 2013, sharing malware artefacts and similarities with BlackEnergy The past five years of Zebrocy infrastructure, malware set, ...