fix. use random on SSH_MSG_CHANNEL_REQUEST (pre-auth)

Signed-off-by: RAMELLA Sebastien <[email protected]>

Author: mekhalleh

modules/auxiliary/scanner/ssh/ssh_erlangotp.rb

@@ -146,7 +146,7 @@ def run_host(target_host)
     sleep(0.5)
 
     print_status(message('Sending SSH_MSG_CHANNEL_REQUEST (pre-auth)...'))
-    chan_req = build_channel_request(0, 'blah')
+    chan_req = build_channel_request(0, Rex::Text.rand_text_alpha(rand(4..8)).to_s)
     sock.put(pad_packet(chan_req, 8))
     sleep(0.5)