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Researchers found new remote attack against Server firmware (BMC) that renders server unbootable by exploiting the vulnerabilities and gain the systems remote access.
This Attack Starts by pushing an update to the firmware and pass the malicious firmware image into Baseboard Management Controller (BMC) which causes servers completely unbootable and failed to recover.
A baseboard management controller (BMC) is a specialized service processor that monitors the physical state of a computer, network server or other hardware device using sensors.
BMC also used to remotely configure the system without relying on the host operating system or applications.
Data centers or cloud has own physical servers, firmware, hardware component that has its own vulnerabilities and the tools used to manage servers can be taking advantage by attackers.
Attack Process to Corrupt the Server Firmware
In this case, Attacker can remotely compromise the system by taking advantage of firmware or hardware vulnerabilities such as exploiting Apache Struts. or using compromised credentials.
In order to bricks a server, Researchers demonstrated a remote attack that describes to bypass a malicious firmware image to the BMC over this interface.
In order to communicate with BMC researchers from eclypsium using the network capabilities of the Intelligent Platform Management Interface (IPMI) protocol and also using host-based interface known as the Keyboard Controller Style (KCS) to pass the malicious firmware image.
According to eclypsium, “malicious BMC firmware update contains additional code that, once triggered, will erase the UEFI system firmware and critical components of the BMC firmware itself. “
This change will make the host and BMC unbootable and rendering it unusable and it completely recover the system to fail.
Phishing Campaigns Targeting Google and Yahoo Accounts To Bypassing Two-Factor Authentication Several phishing campaigns targeting hundreds of individuals across the Middle East and North Africa. The attacker targers HRDs, journalists, political actors. Amnesty International published a report on multiple campaigns that traget self-described “secure email” services, such as Tutanota and ProtonMail and another campaign that aimed in bypassing two-factor authentication. Crafted Phishing Sites – Secure Email Providers The phishing campaign primarily targeted popular secure email service providers such as Tutanota and ProtonMail. Threat actors used a well-crafted phishing page – by obtaining the domain tutanota[.]org, whereas the original domain of the service provider is tutanota[.]com. A phishing attack is one of the dangerous social engineering attacks that leads to capture a victim’s username and password that will get store it to an attacker machine and reuse it l...
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Tr0ll 1.0 is an intentionally vulnerable machine, which is more of a CTF like type than real world scenario. Nevertheless, this machine has its own difficulties and you can learn some new stuff from it. So, let’s start. Enumeration Phase Let’s first run netdiscover to find the IP of our machine. netdiscover -r 192.168.1.1/24 After that, we run our typical nmap scan to see the open ports in the machine. nmap -A -sS -Pn -vv [target] Great we see many interesting stuff here. First of all, there is an open FTP port and we can connect to it with anonymous access . Also there is an open http port, we will run a nikto scan for it. The ssh port will be valuable later. From the nikto scan we got an interesting /secret/ folder. When we get inside, we can understand why the machine got this name. Nothing interesting here, as you can see. we got trolled Let’s connect ...
Researchers found new remote attack against Server firmware (BMC) that renders server unbootable by exploiting the vulnerabilities and gain the systems remote access.
This Attack Starts by pushing an update to the firmware and pass the malicious firmware image into Baseboard Management Controller (BMC) which causes servers completely unbootable and failed to recover.
A baseboard management controller (BMC) is a specialized service processor that monitors the physical state of a computer, network server or other hardware device using sensors.
BMC also used to remotely configure the system without relying on the host operating system or applications.
Data centers or cloud has own physical servers, firmware, hardware component that has its own vulnerabilities and the tools used to manage servers can be taking advantage by attackers.
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