> Every system has been hit with this "test" : > > 2023-10-02 04:48:31 SMTP call from (hello) [152.32.233.30] dropped: too > many syntax or protocol errors (last command was "AUTH NTLM > TlRMTVNTUAABAAAAB4IIAAAAAAAAAAAAAAAAAAAAAAA=", C=EHLO,HELP,AUTH) > > "TlRMTVNTUAABAAAAB4IIAAAAAAAAAAAAAAAAAAAAAAA=" decodes to "NTLMSSP"
First time in my logs 2022-11-03. > They try it with and without the base64 string: > > 2023-10-02 03:45:48 SMTP call from (XXXXXXXXXXX) [152.32.132.194] > dropped: too many syntax or protocol errors (last command was "AUTH > NTLM", C=EHLO,AUTH) First time in my logs 2022-07-10. -- ## subscription configuration (requires account): ## https://lists.exim.org/mailman3/postorius/lists/exim-users.lists.exim.org/ ## unsubscribe (doesn't require an account): ## exim-users-unsubscr...@lists.exim.org ## Exim details at http://www.exim.org/ ## Please use the Wiki with this list - http://wiki.exim.org/