Implemented profile embedding via patching a placeholder in the agent executable. Agent correctly deserializes and parses the profile and listener configuration.

src/server/core/agent.nim

@@ -34,6 +34,7 @@ Commands:
   info             Display details for a specific agent.
   kill             Terminate the connection of an active listener and remove it from the interface.
   interact         Interact with an active agent.
+  build            Generate a new agent to connect to an active listener.
 
 Options:
   -h, --help""")
@@ -124,65 +125,3 @@ proc agentInteract*(cq: Conquest, name: string) =
 
     cq.interactAgent = nil 
 
-# Agent generation 
-proc agentBuild*(cq: Conquest, listener, sleep, payload: string) =
-
-    # Verify that listener exists
-    if not cq.dbListenerExists(listener.toUpperAscii): 
-        cq.writeLine(fgRed, styleBright, fmt"[-] Listener {listener.toUpperAscii} does not exist.")
-        return
-
-    let listener = cq.listeners[listener.toUpperAscii] 
-
-    # Create/overwrite nim.cfg file to set agent configuration 
-    let AgentCtxFile = fmt"../src/agent/nim.cfg"   
-
-    # Parse IP Address and store as compile-time integer to hide hardcoded-strings in binary from `strings` command
-    let (first, second, third, fourth) = parseOctets(listener.address)
-
-    # Covert the servers's public X25519 key to as base64 string 
-    let publicKey = encode(cq.keyPair.publicKey)
-    let profileString = encode(cq.profile.toTomlString())
-
-    # The following shows the format of the agent configuration file that defines compile-time variables 
-    let config = fmt"""
-    # Agent configuration 
-    -d:ListenerUuid="{listener.listenerId}"
-    -d:Octet1="{first}"
-    -d:Octet2="{second}"
-    -d:Octet3="{third}"
-    -d:Octet4="{fourth}"
-    -d:ListenerPort={listener.port}
-    -d:SleepDelay={sleep}
-    -d:ServerPublicKey="{publicKey}"
-    -d:ProfileString="{profileString}"
-    """.replace("    ", "")
-    writeFile(AgentCtxFile, config)
-
-    cq.writeLine(fgBlack, styleBright, "[*] ", resetStyle, "Configuration file created.")
-
-    # Build agent by executing the ./build.sh script on the system.
-    let agentBuildScript = fmt"../src/agent/build.sh"    
-
-    cq.writeLine(fgBlack, styleBright, "[*] ", resetStyle, "Building agent...")
-    
-    try:
-        # Using the startProcess function from the 'osproc' module, it is possible to retrieve the output as it is received, line-by-line instead of all at once
-        let process = startProcess(agentBuildScript, options={poUsePath, poStdErrToStdOut})
-        let outputStream = process.outputStream
-
-        var line: string
-        while outputStream.readLine(line):
-            cq.writeLine(line) 
-
-        let exitCode = process.waitForExit()
-
-        # Check if the build succeeded or not
-        if exitCode == 0:
-            cq.writeLine(fgGreen, "[+] ", resetStyle, "Agent payload generated successfully.")
-        else:
-            cq.writeLine(fgRed, styleBright, "[-] ", resetStyle, "Build script exited with code ", $exitCode)
-
-    except CatchableError as err:
-        cq.writeLine(fgRed, styleBright, "[-] ", resetStyle, "An error occurred: ", err.msg)
-