23topi

## terminal-commands.md

      
              1 file
            
          
              0 forks
            
          
                0 comments
              
            
              0 stars
            
          
                23topi
                / terminal-commands.md
            
            
              Created
              December 26, 2022 15:04
                — forked from bradtraversy/terminal-commands.md
            
              
                Common Terminal Commands
              
          
    Common Terminal Commands

Key Commands & Navigation

Before we look at some common commands, I just want to note a few keyboard commands that are very helpful:

Up Arrow: Will show your last command
Down Arrow: Will show your next command
Tab: Will auto-complete your command
Ctrl + L: Will clear the screen


## log4j_rce_detection.md

      
              1 file
            
          
              0 forks
            
          
                0 comments
              
            
              0 stars
            
          
                23topi
                / log4j_rce_detection.md
            
            
              Created
              December 19, 2021 08:03
                — forked from Neo23x0/log4j_rce_detection.md
            
              
                Log4j RCE CVE-2021-44228 Exploitation Detection
              
          
    log4j RCE Exploitation Detection

You can use these commands and rules to search for exploitation attempts against log4j RCE vulnerability CVE-2021-44228
Grep / Zgrep

This command searches for exploitation attempts in uncompressed files in folder /var/log and all sub folders
sudo egrep -I -i -r '\$(\{|%7B)jndi:(ldap[s]?|rmi|dns|nis|iiop|corba|nds|http):/[^\n]+' /var/log