Windows vs Linux/Mac Forensics Commands/Utilities:
Windows
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Linux/Mac
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To check the accesses the user or group you specify has to files, Registry keys or Windows services.
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Sysinternals/AccessChk
Sysinternals/AccessEnum
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1) ls –al
In the order of output;
-rwxrw-r-- 1 root root 2048 Jan 13 07:11 afile.exe
· file permissions,
· number of links,
· owner name,
· owner group,
· file size,
· time of last modification, and
· file/directory name
File permissions is displayed as following;
· first character is - or l or d, d indicates a directory, a line represents a file, l is a symlink (or soft link) - special type of file
· three sets of characters, three times, indicating permissions for owner, group and other:
· r = readable
· w = writable
· x = executable
2) cat /etc/passwd | grep group to see the members of that group
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Volume disk-mappings, to see the free space and mount information
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Diskmgmt.msc
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du
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To create hardlink
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Fsutil hardlink create <NewFileName> <ExistingFileName>
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ln <source> <link>
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To create softlink
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Mklink
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Ln –s <source> <link>
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Schedule file rename and delete commands for the next reboot. This can be useful for cleaning stubborn or in-use malware files.
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Sysinternals/MoveFile
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Sudo mv <source> / sudo rm –rf
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Monitor the process that are running
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Sysinternals/Process Monitor
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Top/htop/ps
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Monitor processes that have run
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Sysinternals/Process Explorer
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apt-get install auditd
auditctl -a task,always
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See which files are open remotely
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psfile
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Lsof
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Ping another system
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Ping
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Ping
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See who owns an internal address
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Whois
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Whois
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See autostart processes
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Sysinternals/autoruns
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4 ways a program can be run automatically:
Daemons, Shell, Systemctl & Graphical
Daemons: (Create a sscripts or applications as daemons.)
ls-alt /etc/init.d/,
cd ~ & cat ./.bashrc,
systemctl list-unit-files,
cd /etc/profile.d & ls -alt
cd ~/.config/xdg/autostart & ls -alt
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Shows which files are open by which process
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Sysinternals/Handle
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Ps –ef to find processes
Lsof -p <some number> to list the files open by that process
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To see processes using a file
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Sysinternals/Handle
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Fuser
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To see processes and threads
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Sysinternals/ListDLLs
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ps -e -T | grep <application name or pid>
Here's an example:
$ ps -e -T | grep clementine
PID SPID TTY TIME CMD # this is here for clarity
30046 30046 pts/2 00:00:17 clementine
30046 30049 pts/2 00:00:00 clementine
30046 30050 pts/2 00:00:00 clementine
30046 30051 pts/2 00:00:00 clementine
30046 30052 pts/2 00:00:00 clementine
30046 30053 pts/2 00:00:00 clementine
30046 30054 pts/2 00:00:00 clementine
30046 30055 pts/2 00:00:00 clementine
30046 30056 pts/2 00:00:00 clementine
30046 30057 pts/2 00:00:00 clementine
30046 30058 pts/2 00:00:00 clementine
30046 30060 pts/2 00:00:00 clementine
30046 30061 pts/2 00:00:00 clementine
30046 30062 pts/2 00:00:00 clementine
30046 30064 pts/2 00:00:00 clementine
30046 30065 pts/2 00:00:00 clementine
30046 30066 pts/2 00:00:03 clementine
Each of these has the same PID so you know they are in the same process.
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To execute process remotely
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Sysinternals/psexec
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$ ssh root@host.com reboot
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To run as different shell
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Sysinternals/ShellRunAs
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su command to login as that user and run the command
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To login automatically
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Sysinternals/autologon
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vi /etc/inittab
add the following line to login:
1:2345:root:/bin/login -f <username> tty1 </dev/tty1 >/dev/tty1 2>&1
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To list all logon sessions
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Sysintetnals/LogonSessions
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W: command
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Shutdown the system
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Shutdown /i
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Sudo shutdown –r now
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Display system information
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Systeminfo
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Uname –a
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To view the file
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Notepad/notepad++/wordpad etc.
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Vi/cat/more/tail/head/gedit
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Memory Forensics
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Mandiant Redline/Volatility Framework
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Volatility Framework
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Packet dump
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Tcpdump
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Tcpdump
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Packet analysis
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Wireshark
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Wireshark
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Vulnerability scanners
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Nexpose, Nessus, Metasploit, Armitage
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Nexpose, Nessus, Metasploit, Armitage
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To check uptime
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Systeminfo
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Uptime
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To check hostname
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Hostname
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Hostname
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To check reboot history
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Create a filter in system logs @Event Viewer
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Last reboot
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To see Date
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In the panel bar
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Date
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To see calandar
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Click in the panel bar
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Cal
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Who is logged in
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Whoami
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Whoami
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Display cpuinfo
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Taskmanager
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Cat /proc/cpuinfo
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Display memory information
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Taskmanager
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Cat /proc/meminfo
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List files opened by user
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Sysinternals/Handle
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Lsof –u user
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Network information
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ipconfig
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ifconfig
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