Possible phishing attack.In addtion we can also track Mimikatz activites ,Lateral Movement via WinRM and more suspicious activities. This has attracted red teamers and cybercriminals attention too. In Event ID 4104, look for Type: Warning. Writeup: Windows Event Logs - AtomicNicos/knowledge-base Wiki Yes! Filter on source PowerShell and scroll down to the first event, 7.6 What is theDate and Timethis attack took place? In this example, Ill get event ID 4624 from a remote computer, This example will get the PowerShell version on remote computers. An attacker compromises a target Windows server machine via an exploited vulnerability. Event Log Management in Windows | TryHackMe Windows Event Logs supported. Identifies the provider that logged the event. On PowerShell versions < 5, a session specific history can be identified using the Get-History command. Running Remote Commands - PowerShell | Microsoft Learn With the latest Preview release of PowerShell V5 July (X86, X64), we get some extra capabilities for auditing PowerShell script tracing.Since PowerShell V3, we have had the capability of Module Logging in PowerShell, meaning that we can track the commands that are being run for specified PowerShell modules in the event logs. Start the machine attached to this task then read all that is in this task. 2. Sign all your internal administrative scripts and set execution-policy as Signed. To understand what actions to fetch, you need to know the standard event IDs to monitor. the prompt run on the remote computer and the results are displayed on the local computer. We have labored hard to make BetBlocker as straightforward and intuitive to set-up as potential. B. However, this method is only valid for the current session. Enabling the Event ID 4104 as an added benefit as run time obfuscated commands will be processed to decode and all decoded scripts will be logged into this event ID 4104. In PowerShell 7 and above, RPC is supported only in Windows. Enable logging of command line with PowerShell module logging - Github PowerShell is an excellent tool for scripting almost any process within Windows Server. These logs are often overlooked in favour of the newer 4103 module logs however in my testing, the 4103 logs were unable to provide any details around the execution of specifically the Invoke-Expression cmdlet. Check the Event Viewer (Windows Application Logs) for the following message: Event Source: MSDTC Event ID: 4104 Description: The Microsoft Distributed Transaction Coordinator service was successfully installed. For example, standard entries found in the security log relate to the authentication of accounts directly onto the server. Above figure shows script block ID is generated for the remote command execution from the computer "MSEDGEWIN10" and the security user ID S-1-5 . The screenshot shows the script attempts to download other malicious PowerShell code to perform a phishing attack. Nearly every malicious activity imaginable is possible with PowerShell: privilege escalation, credential theft, lateral movement, data destruction, persistence, data exfiltration, and much more.
