Use the Traps Agent for Linux
After you install Traps for Linux, Traps operates transparently in the background as a system process. Typically, it is not necessary to interact with the Traps agent; however, to perform common actions, such as initiating a manual check in with the Traps management service, you can use the command-line utility (also available for Mac and Windows) named Cytool. Cytool is available in the
/opt/traps/bin/cytooldirectory and must be run as root or with root permissions.
To use the Traps agent for Linux:
- Display the Cytool help.From the Linux server, run thecytoolcommand without any arguments or with-hor--helpoptions.root@ubuntu:~$/opt/traps/bin/cytoolUsage: cytool<options> cytool - Support tool Options: -h --help Display help information. enum List processes protected by Traps. startup query List startup status for traps endpoint agent(s) and daemon(s). startup <enable | disable> <process_name | all> Enable/Disable agent(s) and daemon(s) after reboot. runtime query List runtime status for agent(s), daemon(s) and kernel extensions. runtime <start | stop> <process_name | all> Start/Stop agent(s), daemon(s) and kernel extensions immediately. persist list Display list of persistent databases. persist export <db_name | db_path> Export database(s) to the file(s) in JSON format. persist import <db_name | db_path> <file_name> Import data into the database from the given JSON file. persist print <db_name | db_path> [csv] Print database to the command prompt. log <log_level> <process_name | all> Set log level for the desired process. log collect Generate support file archive. dump <enable | disable | restore> Enable/Disable dump generation or restore policy settings. checkin Initiate Check In Now (send heartbeat to ESM).Follow the usage guidelines to run additional Cytool commands.
- List processes protected by Traps.Enter thecytool enumcommand.root@ubuntu:~$cytool enum----------------------------------- Traps list of protected processes: ----------------------------------- PID CMD UID 1098 /usr/sbin/cron -f 0 1131 /usr/sbin/rsyslogd -n 104To view processes for all users including those initiated by the operating system, specify the/aoption.
- Start or stop Traps daemons.The Traps agent comprises the trapsd, authorized, and pmd daemons. To start or stop one or all daemons, enter either thecytool runtime [start | stop] [command or the<process_name>| all]cytool startup [enable | disable] [command. The behavior of both commands changes both the current running state and the startup registration status of the daemons when the server boots.<process_name>| all]For example:root@ubuntu:~$/opt/traps/bin/cytool runtime stop trapsdName PID User Status Command trapsd N/A N/A STOPPED N/A authorized 2179 root Running /opt/traps/bin/authorized pmd 2164 root Running /opt/traps/bin/pmd root@ubuntu:~$/opt/traps/bin/cytool runtime start allName PID User Status Command trapsd 26427 root Running /opt/traps/bin/trapsd authorized 2179 root Running /opt/traps/bin/authorized pmd 2164 root Running /opt/traps/bin/pmd
- View the Traps security policy.Traps stores policy and security event information such as the list of trusted signers, local verdicts, and one-time actions in local databases in the/opt/traps/persist/directory. To troubleshoot policy issues and security events, you can use Cytool to import, export, and view information stored in the local database.To view a list of all local databases, use thecytool persist listcommand.root@ubuntu:~$/opt/traps/bin/cytool persist listPersistent database list: post_detection.db Database of post-detection candidates agent_actions.db Database of one time actions cloud_frontend.db Database of Cloud frontend settings hashes_lru.db Least recently used verdicts database cloud_reports.db Database of Cloud reports hashes.db Database of the verdicts received from WildFire esm_frontend.db Database of ESM frontend settings policy.db Policy database fvhash.db Database of blacklisted fvhashes trusted_signers.db Database of trusted signers hash_paths.db Database of file paths hash_override.db Database of hashes override (Admin exeptions) esm_reports.db Database of ESM reports security_events.db Database of security events (preventions) file_upload.db Database of files being uploaded to ESM hashes_retransmit.db Database of hashes to be retransmitted agent_settings.db Database of agent settingsTo view the records of a database, use thecytool persist print [command where you specify either the name of database (see the<database_name>|<database_path>]cytool persist listcommand) or the path to the database. Or, to export the records of a database to a JSON file, use thecytool persist export [command. For example:<database_name>|<database_path>]root@ubuntu:~$/opt/traps/bin/cytool persist print security_events.dbDatabase security_events: persistence::DB: /opt/traps/persist/security_events.db: Open persistence::DB: /opt/traps/persist/security_events.db: Open: IO error: lock /opt/traps/persist/security_events.db/LOCK: Resource temporarily unavailable 3c34dcc1-bc37-ffef-ed55-f5512df05884, Prevention ID: 3c34dcc1-bc37-ffef-ed55-f5512df05884 Time: 2018-05-02T10:31:51Z Timezone offset (min): 240 Module ID (CyveraComponent): 277 Module status (CyStatus): 0xC0400015 Blocked: false Source process ID: 14818 Source process terminated: true Source process command line: /root/Desktop/Linux_testers/ROP/lighttpd system 0 Source process file index: 0 Target process ID: 0 Target process terminated: false Target process command line: Target process file index: 0 User ID: 0 User name: Traps version: 126.96.36.1991 OS name: Linux OS version: Red Hat Enterprise Linux Server release 6.9 (Santiago) Machine name: Saar_redhat64x64 Dump path: /opt/traps/forensics/3c34dcc1-bc37-ffef-ed55-f5512df05884/ Content version: 17-2805 IP Address: 10.200.0.55 Verdict (WildFire/Hash Control): 0 1 Files: Name: lighttpd Path: /root/Desktop/Linux_testers/ROP Size: 0 Hash: 8630c9e57ca58fb7966c80525c36f572416e0a8db617b8a43c946d4fa966a71c Version: Publisher: Quarantine ID: Signers: '' ------------------------------------------------ ---------- END Security Event Files ---------- root@ubuntu:~$/opt/traps/bin/cytool persist export security_events.dbpersistence::DB: /opt/traps/persist/security_events.db: Open -rw-r--r-- 1 ubuntu root 25824 Jan 2 18:10 /home/ubuntu/traps/cytool/security_events.db_18.10.04.427_02.01.2018.jsonTo add records to the database, use thecytool persist import [command where<database_name>|<database_path>]<input_filename>is a JSON file.<input_filename>
- Collect logs.Use thecytool logcommand to change the log level of a Traps component where:<log_level>[<process_name>| all]
Then use thecytool log collectcommand to collect all logs in a TGZ file.root@ubuntu:~$/opt/traps/bin/cytool log 1 trapsdroot@ubuntu:~$/opt/traps/bin/cytool log collect-rw-r--r-- 1 root root 1651939 Dec 30 20:33 /tmp/Traps_log_2017-12-30_20-33-22/Traps_log_2017-12-30_20-33-22.tgz
- is an integer value corresponding to the log level:<log_level>
- is the traps component:<process_name>trapsd,authorized, orpmd.
- Manually initiate a check in with the server.Use thecytool checkincommand to initiate the manual check-in. To verify the status of the check-in on the Traps management service, view theLAST SEENdate from the additional details view of an endpoint on theEndpointspage.
- Configure proxy communication.If defined, the Traps agent uses the proxy settings defined in the system environment in/etc/environment. If proxy settings are not defined, you can add the proxy server to the system environment by specifying the following setting in theenvironmentfile:https_proxy=”https://<proxyserver>:<port>"where:
- is the IP address of the proxy server<proxyserver>
- is the port number used for proxy communication.<port>
- View the version of Traps.To view the version of Traps on the Linux server, open or read theversion.txtfile in the/opt/traps/directory. For example:root@ubuntu:~$cat /opt/traps/version.txttraps_linux-188.8.131.520 ce1707dadbbb67effb7bf08cd4edee60d9508377
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