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README.md
who-done-it
We might have an insider threat in our company. Help us to clarify this unconfortable situation.
About the Challenge
We got a zip file called who-was-it.zip and the file contains some useful information about the victim pc such as PowerShell History / Device Information
How to Solve?
There are 3 questions that we need to answer:
- Identify the hostname of the compromised machine.
We can get the hostname information at /SystemInfo/output.txt file
- Provide the name of the malware binary downloaded by the attacker on the compromised account.
If we check the PowerShell History command (Especially in plant user). In line 156-157, the attacker tried to download a file called ZekaAPT28.bin
- Which is the suspicious scheduled task created by the attacker on the system?
We can get the suspicious scheduled task at /scheduled_task/Windows/System32/Tasks file
Q1: DESKTOP-V2VNNIV
Q2: ZekaAPT28.bin
Q3: connect_to_server