v4.0.0

4.0.0 (2026-04-13)

⚠ BREAKING CHANGES

• bump version to v4

Features

• add MeshRoute to agent structure and update system details gathering (9a82e29)
• add PersistentRouter support across configuration and command handling (f620fa2)
• bump version to v4 (c5d19bb)
• Enhance error logging and preflight feature (4481959)
• enhance mesh relay functionality and update peer handling with address support (aa638f6)
• implement Notify log method with configurable broadcast handler for operator console notifications (e1a19a9)
• implement plain HTTP (beacon) C2 transport and improve agent enrollment synchronization (cd5d901)
• Implement session management and duplicate prevention for agents (88e7b6b)
• Implement session reconciliation and legacy session handling (8497f00)
• implement UpdateAgentLastSeen function to persist agent's last_seen timestamp (b43279d)
• Remove traditional port mapping relay functionality and associated commands (91f10b8)
• replace h2conn with websocket for operator message tunnel connections (27156f4)
• Revamp C2 protocol to be CBOR-based, protocol-agnostic, compatible with pluggable C2 transport. (7c5fe3f)

Bug Fixes

• generate should never assume boolean flags as true when flags are omitted (91c0f9e)
• get fails to parse token (fef3449)
• agent's last_seen timestamp incorrect (6b58aa6)
• agentdb should support parallel operations (247ebe2)
• check container reports None for containers (817a337)
• enhance container detection logic and improve tests for CheckContainer (d433d06)
• http c2 checkin error (f2287c5)
• http transport shown as unknown (c5c3720)
• improve encryption performance (f0d68dc)
• migrate operator-c2 connection to websocket (3de57a1)
• optimize C2 transport performance with direct stream handling, buffered I/O, and improved polling efficiency (2bede39)
• race condition in gossip implementation (65e30b6)
• relaying stream based FTP to operator (8e6bd10)
• shellcode stager fails to build on Kali (e43cc8c)