Skip to content

Red Cloak Endpoint Agent Changelog 🔗

Red Cloak End of Life

Red Cloak reached End of Support on July 31, 2026. The Red Cloak portal will be retired on September 30, 2026, and Red Cloak will reach End of Life on December 31, 2026. Existing deployments will stop functioning after the End of Life date. Migrate to Sophos Endpoint as soon as possible. For details, see Red Cloak End of Support.

Red Cloak Endpoint Agent for Windows

Version Date Change
2.8.5.0 1 Mar 2022
  • Fix Cross sign certificate for Windows agent drivers
  • Updates from the 2.8.4.0 agent included in this release:
    • Fix for Inspector scan results that were expiring prematurely, thus creating a blind spot for certain rule results
    • Renewed signing certificate
    • Ability to upgrade Red Cloak™ Endpoint Agent if Taegis NGAV Agent is already installed
2.8.3.0 24 Mar 2021
  • Fix for digital signature errors when upgrading the Red Cloak Agent on older Windows Operating Systems
  • Updates from the 2.8.2.0 agent included in this release:
    • Ability to exclude files and folders from being scanned by the Procwall module, with configuration assistance from Secureworks
    • Performance and storage improvements by purging duplicate events
    • Better detection for PID Spoofing
    • Stability and security improvements from upgraded toolset
NOTE: After Red Cloak upgrade/installation, endpoints may not reboot even if there were reboots pending.
2.8.1.0 18 Sept 2020
  • Ignition module is now removed during a remote uninstall of the agent:
    • All relevant registry entries and files are now removed during an uninstall of the agent
    • The ’rcnotify’ process is now stopped and removed during an uninstall of the agent
2.8.0.0 16 Sept 2020 NOTE: We are making changes to improve our version control, and are therefore labeling our latest Windows Red Cloak Endpoint Agent as version 2.8.x.x.
  • Stability of the Procwall and Cyclorama modules improved
  • Stability and resilience of the Ignition module while performing agent updates improved in cases when another msiexec process is running
  • Ignition module will now perform a CRL (Certificate Revocation Lists) cache refresh if it encounters an expired certificate during the agent update process
  • Mukluk module’s ability to delete host files is now restricted to just Secureworks® Taegis™ XDR files
2.1.5.0 28 Jan 2020
  • Stability/Performance improvements to Inspector, Lacuna, and Groundling modules
  • Improvements to Ignition
  • Compatibility with SHA2 signed MSIEXEC.exe
2.1.4.0 05 Dec 2019
  • Red Cloak Endpoint Agent now supports upgrading agents on Windows endpoints from within the Red Cloak Endpoint Agent system
  • MITRE Eval fix from 2.0.7.10 release
  • Release now signed by SHA256 certificate only
2.0.7.10 03 Dec 2019
  • Fixes for Procwall
2.0.7.9 27 Oct 2019
  • Performance improvement and able to gather more telemetry from Entwine without dropping predicates
2.0.7.8 14 Oct 2019
  • Logging level service improvement
  • Add IP address safelisting capability for Hostel
  • Detect parent create time for a process correctly during scan
2.0.7.7 13 Aug 2019
  • Inspector changes for IR/TTH engagements
  • Bug fixes
2.0.7.6 19 Jul 2019
  • Support for Windows Server 2019
  • TLS 1.2 Upgrade
  • Critical bug fixes/improvements
2.0.7.5 11 Jun 2019
  • RCE-414: Mukluk should consider page file bytes during calculation of memory utilization by modules
2.0.7.4 24 Apr 2019
  • Self-recovery mechanism in case of deadlocks in agent 2.0 modules
  • Bug fixes

Red Cloak Endpoint Agent for Linux

Version Date Change
1.2.15.0 22 Feb 2021
  • RHEL/CentOS 7.9 and 8.3 now supported
  • Upon upgrade, Red Cloak Linux Agent service no longer re-enables if the service was disabled prior to upgrade
  • A bug where after the service redcloak stop command is run, it doesn't return to the command prompt fixed
  • A bug where the Procwall module does not operate correctly if auditd is restarted fixed
1.2.13.0 29 Sept 2020
  • Ubuntu 16.04, 18.04, and 20.04 now supported
  • .DEB agent package now included for version 1.2.13.0 and later to install on supported Ubuntu devices
  • Oracle Linux 6.4 to 6.10, 7.0 to 7.8, and 8.0 to 8.2 now supported
1.2.12.0 16 Sept 2020
  • Dependency issue reported in the recently pulled 1.2.10.0 release fixed
  • Agent now installed under /opt instead of /var and can also be relocated to your desired path
  • Lacuna module now captures traffic only on physical interfaces
  • 32-bit packages installed by the 1.2.10.0 agent can be removed by running the 'rc_clean_32bitpkgs.run' script, included along with instructions in this .zip file
  • A bug where Linux port 22 local_port netflows were not being seen by the agent fixed
  • A bug where source and destination ports and IPs were being swapped fixed
  • RHEL/CentOS 8.0 and 8.1 are now supported
  • RedHat Certified Partner from RHEL 8.0 onwards. View details on this accomplishment in the Red Hat Ecosystem Catalog
1.2.9.0 24 Mar 2020
  • The following changes have been made to the Lacuna module resulting in significant performance improvements:
    • Avoid capturing duplicate NetFlows sourcing from containers (e.g. Docker)
    • Improved the indexing of NetFlows, allowing better tracking and capturing
    • Created an alternate method to lookup, and associate, process IDs (PID lookup) with netflow telemetry
1.2.8.0 25 Oct 2019
  • Performance improvements to both Lacuna and Procwall
1.2.7.0 11 Oct 2019
  • Improvement in Lacuna performance by altering PID Lookup algorithm and DNS Query
  • Support DNS type TXT records.
  • Detect parent create time for a process correctly during scan
  • Red Cloak Endpoint Agent will communicate via TLS v1.2+.
1.2.6.1 08 May 2019
  • Added more logging
  • Bug fixes
1.2.6.0 07 Feb 2019
  • Bug Fixes