Re: New mail blocks result of Ralsky's latest attacks?

2003-10-11 Thread Fred Baker
At 09:07 AM 10/10/2003, Steven M. Bellovin wrote: Out of curiousity, has anyone tried turning this over to law enforcement? It's another form of hacking, but the money trail back through the spammers might provide enough evidence for prosecution. From my read, it sounds sufficient in its own right

Re: New mail blocks result of Ralsky's latest attacks?

2003-10-10 Thread Suresh Ramasubramanian
Steven M. Bellovin writes on 10/10/2003 9:37 PM: Out of curiousity, has anyone tried turning this over to law enforcement? It's another form of hacking, but the money trail back through the spammers might provide enough evidence for prosecution. --Steve Bellovin, http://www.research.att.com/

Re: New mail blocks result of Ralsky's latest attacks?

2003-10-10 Thread Steven M. Bellovin
Out of curiousity, has anyone tried turning this over to law enforcement? It's another form of hacking, but the money trail back through the spammers might provide enough evidence for prosecution. --Steve Bellovin, http://www.research.att.com/~smb

Fw: New mail blocks result of Ralsky's latest attacks?

2003-10-10 Thread Brian Bruns
Brian Bruns To: X Cc: [EMAIL PROTECTED] Sent: Friday, October 10, 2003 11:35 AM Subject: Re: New mail blocks result of Ralsky's latest attacks? Hey XXX, There are a few ways to lock down an Exchange server. Luckily, I used to be an Exchange admin two years ago, so let me quickly dig up m

Re: New mail blocks result of Ralsky's latest attacks?

2003-10-10 Thread Steven Champeon
on Fri, Oct 10, 2003 at 08:47:51PM +0530, Suresh Ramasubramanian wrote: > Set up header checks in sendmail / postfix to block all mail with > Received: headers showing Ralsky IPs. PCRE header checks in postfix > would be like - Sendmail rulesets to block Ralsky: KRalsky1 regex [EMAIL PROTEC

Re: New mail blocks result of Ralsky's latest attacks?

2003-10-10 Thread Brian Bruns
-Spam Resourceshttp://www.2mbit.comICQ: 8077511 - Original Message - From: Brian Bruns To: Bob German ; [EMAIL PROTECTED] Sent: Friday, October 10, 2003 11:12 AM Subject: Re: New mail blocks result of Ralsky's latest attacks? Tis one of the reasons why I've disabl

RE: New mail blocks result of Ralsky's latest attacks?

2003-10-10 Thread Bob German
an; [EMAIL PROTECTED] Subject: Re: New mail blocks result of Ralsky's latest attacks? Brian Bruns writes on 10/10/2003 8:42 PM: > Tis one of the reasons why I've disabled SMTP AUTH on all of my > servers > for now. I've known about this for a few weeks now. Its not > sur

Re: New mail blocks result of Ralsky's latest attacks?

2003-10-10 Thread Suresh Ramasubramanian
Brian Bruns writes on 10/10/2003 8:42 PM: Tis one of the reasons why I've disabled SMTP AUTH on all of my servers for now. I've known about this for a few weeks now. Its not surprising. Most of the servers cracked are Exchange servers (probably thanks to weak passwords), but I still don't fe

Re: New mail blocks result of Ralsky's latest attacks?

2003-10-10 Thread Suresh Ramasubramanian
Bob German writes on 10/10/2003 8:29 PM: A colleague informed me this morning that Alan Ralsky is doing widespread bruteforce attacks on SMTP AUTH, and they are succeeding, mainly because it's quick, painless (for him), and servers and IDS signatures don't generally offer protection against the

Re: New mail blocks result of Ralsky's latest attacks?

2003-10-10 Thread Mike Tancsa
Cant speak for others, but the server that was blocked for us by Yahoo! is ACL'd by IP address. It would be very helpful if the Yahoo! folk could post an official explanation as to what happened so we can pass it on to our customers. e.g. a URL somewhere on Yahoo! ? ---Mike At 10:59

Re: New mail blocks result of Ralsky's latest attacks?

2003-10-10 Thread Andrew D Kirch
On Fri, 10 Oct 2003 10:59:46 -0400 "Bob German" <[EMAIL PROTECTED]> wrote: > A colleague informed me this morning that Alan Ralsky is doing > widespread bruteforce attacks on SMTP AUTH, and they are succeeding, > mainly because it's quick, painless (for him), and servers and IDS > signatures don'

Re: New mail blocks result of Ralsky's latest attacks?

2003-10-10 Thread Brian Bruns
pment GroupOpen Solutions For A Closed World / Anti-Spam Resourceshttp://www.2mbit.comICQ: 8077511 - Original Message - From: Bob German To: [EMAIL PROTECTED] Sent: Friday, October 10, 2003 10:59 AM Subject: New mail blocks result of Ralsky's latest attac

New mail blocks result of Ralsky's latest attacks?

2003-10-10 Thread Bob German
Title: Message A colleague informed me this morning that Alan Ralsky is doing widespread bruteforce attacks on SMTP AUTH, and they are succeeding, mainly because it's quick, painless (for him), and servers and IDS signatures don't generally offer protection against them.   Could this be why