Otherwise, you could end up wasting a lot of time if the target isn't even vulnerable. It's always a good idea to perform the necessary recon like this. There is an auxiliary scanner that we can run to determine if a target is vulnerable to MS17-010. Name Disclosure Date Rank Check DescriptionĪuxiliary/admin/smb/ms17_010_command normal Yes MS17-010 EternalRomance/EternalSynergy/EternalChampion SMB Remote Windows Command ExecutionĪuxiliary/scanner/smb/smb_ms17_010 normal Yes MS17-010 SMB RCE DetectionĮxploit/windows/smb/ms17_010_eternalblue average No MS17-010 EternalBlue SMB Remote Windows Kernel Pool CorruptionĮxploit/windows/smb/ms17_010_eternalblue_win8 average No MS17-010 EternalBlue SMB Remote Windows Kernel Pool Corruption for Win8+Įxploit/windows/smb/ms17_010_psexec normal No MS17-010 EternalRomance/EternalSynergy/EternalChampion SMB Remote Windows Code Execution Next, use the search command within Metasploit to locate a suitable module to use. Type service postgresql start to initialize the PostgreSQL database, if it is not running already, followed by msfconsole. The first thing we need to do is open up the terminal and start Metasploit. An evaluation copy can be downloaded from Microsoft so that you can better follow along. We'll be using an unpatched copy of Windows Server 2008 R2 as the target for the first section of this tutorial. Option 1: Exploit EternalBlue with Metasploit Don't Miss: How to Discover Computers Vulnerable to EternalBlueĮternalBlue was mostly responsible for the WannaCry, NotPetya, and BadRabbit ransomware outbreaks, as well as the EternalRocks worm.An attacker can then send malformed packets and ultimately execute arbitrary commands on the target. The vulnerability is allowed to occur because earlier versions of SMB contain a flaw that lets an attacker establish a null session connection via anonymous login. SMB allows systems to share access to files, printers, and other resources on the network. It was released in 2017 by the Shadow Brokers, a hacker group known for leaking tools and exploits used by the Equation Group, which has possible ties to the Tailored Access Operations unit of the NSA.ĮternalBlue, also known as MS17-010, is a vulnerability in Microsoft's Server Message Block (SMB) protocol. What Is EternalBlue?ĮternalBlue is an exploit most likely developed by the NSA as a former zero-day. Here, we will use EternalBlue to exploit SMB via Metasploit. Originally tied to the NSA, this zero-day exploited a flaw in the SMB protocol, affecting many Windows machines and wreaking havoc everywhere. Particular vulnerabilities and exploits come along and make headlines with their catchy names and impressive potential for damage.
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December 2022
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