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LetsDefend Write up Linux Disk Forensics
LetsDefend - Linux Disk Forensics#
Created: 02/04/2024 15:26 Last Updated: 03/04/2024 08:48
Linux Disk Forensics
Evidences:C:\Users\LetsDefend\Desktop\L34K.7z
Start Investigation#
What distribution system was used by the victim, including its version?
We can see which linux distro of this system by reading /etc/issue content
1Ubuntu 22.04.2 LTSWhat is the SHA256 hash of the crack file that was downloaded?
There is only 1 user directory, most of directories are empty except for Desktop which have a ELF file there
Export the file and calculate hash the way you want.
1d73e103c7a980417aefb2683e315180d76bd75eccefbff57802bf97c5efd75fbWhat is the IP address and port used by the attacker? Answer Format: IP
I used strings for this question and it was very effective, we can see that this file aimed to compress google chrome’s data to dean_data.tar then send to a specific IP address using netcat, it was designed for this user only.
1192.168.229.129:201What is the specific tool or software employed by the attacker?
1netcatWhich was the year of the last use of the Dean account?
Lastest Updated on auth.log is 2023 so its 2023
12023Summary#
The cracked software that was downloaded is a malware that designed especially to collect Google Chrome data of Dean then send them back using netcat.
LetsDefend Write up Linux Disk Forensics
https://mranv.pages.dev/posts/letsdefend-write-up-linux-disk-forensics/