LinuxCheck - Linux Information Collection Script


A small linux information collection script is mainly used for emergency response. It can be used under Debian or Centos.

Features
  • CPU TOP10, memory TOP10
  • CPU usage
  • boot time
  • Hard disk space information
  • User information, passwd information
  • Environmental variable detection
  • Service list
  • System program changes (debsums -e and rpm -va)
  • Network traffic statistics
  • Network connection, listening port
  • Open port
  • Routing table information
  • Route forwarding
  • ARP
  • DNS Server
  • SSH login information
  • SSH login IP
  • iptables information
  • SSH key detection
  • SSH burst IP
  • Crontab detection
  • Crontab backdoor detection
  • Find common configuration files
  • Find common software
  • Audit history files
  • Querying HOSTS files
  • lsmod exception kernel module
  • Anomaly file detection (nc, tunnel, proxy common hacker tools)
  • Large file detection (some large files packaged)
  • Free space, hard disk mount
  • Open port
  • LD_PRELOAD detection
  • LD_LIBRARY_PATH
  • ld.so.preload
  • NIC promiscuous mode
  • Most used software
  • Change the file mtime in the last 7 days
  • Change the file ctime in the last 7 days
  • View SUID file
  • Find: hidden files
  • Find sensitive files (nc, nmap, tunnel)
  • alias
  • LSOF -L1
  • SSHD
  • Find bash bounce shell
  • php webshell scan
  • jsp webshell scan
  • asp / aspx webshell scan
  • Detection of mining process
  • rkhunter scan

Usage
Networking status:
  • apt-get install silversearcher-ag
  • yum -y install the_silver_searcher
Offline status:
  • Debian:dpkg -i silversearcher-ag_2.2.0-1+b1_amd64.deb
  • Centos:rpm -ivh the_silver_searcher-2.1.0-1.el7.x86_64.rpm
git clone https://github.com/al0ne/LinuxCheck.git
chmod u+x LinuxCheck.sh
./LinuxCheck.sh
If you have installed ag and rkhunter, you can directly use the following command:
bash -c "$(curl -sSL https://raw.githubusercontent.com/al0ne/LinuxCheck/master/LinuxCheck.sh)"
The file will be saved in the format ipaddr_hostname_username_timestamp.log

References
Linenum
https://github.com/lis912/Evaluation_tools
https://ixyzero.com/blog/archives/4.html
https://github.com/T0xst/linux
https://github.com/grayddq/GScan


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