> 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.
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