Security Basics mailing list archives
RE: email address "spoofed"
From: "Chinnery, Paul" <PaulC () mmcwm com>
Date: Mon, 8 Mar 2004 13:04:46 -0500
Yep, that is spoofing. We've been getting them from management () mmcwm com. Actually, it's pretty creative on the part of the virus writers. The only thing we've found we could do was use out anti-spam software to block mail from "management () mmcwm com" along with a couple of other names. Paul Chinnery Network Administrator Mem Med Ctr -----Original Message----- From: Tim Laureska [mailto:hometeam () goeaston net] Sent: Friday, March 05, 2004 4:59 AM To: security-basics Subject: email address "spoofed" I'm not sure if "spoofing" is the correct term but here is what has happened: Someone is sending out email messages (with virus laden attachments) using our domain name ... they are addressed as coming from support () ourdomainname com (ourdomainame would be our actual domain name) which is an email address that we never set up. My question is how is this done and is there anything we can do to prevent this in the future? The message header looks like this: Received: from your-xhtr8hvc4p [68.55.1.207] by ourdomainname.com (SMTPD32-8.05) id A3C8DF0118; Fri, 05 Mar 2004 04:09:28 -0500 Date: Fri, 05 Mar 2004 04:07:07 -0500 To: info () ourdomainname com Subject: E-mail account security warning. From: support () ourdomainname com Message-ID: <oruybbfoofisdsegtve () ourdomainname com> MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="--------hggfurquvkrsejwodibt" X-RCPT-TO: <info () ourdomainname com> Status: U X-UIDL: 355598192 Tim --------------------------------------------------------------------------- Ethical Hacking at the InfoSec Institute. Mention this ad and get $545 off any course! All of our class sizes are guaranteed to be 10 students or less to facilitate one-on-one interaction with one of our expert instructors. Attend a course taught by an expert instructor with years of in-the-field pen testing experience in our state of the art hacking lab. Master the skills of an Ethical Hacker to better assess the security of your organization. Visit us at: http://www.infosecinstitute.com/courses/ethical_hacking_training.html ---------------------------------------------------------------------------- --------------------------------------------------------------------------- Ethical Hacking at the InfoSec Institute. Mention this ad and get $545 off any course! All of our class sizes are guaranteed to be 10 students or less to facilitate one-on-one interaction with one of our expert instructors. Attend a course taught by an expert instructor with years of in-the-field pen testing experience in our state of the art hacking lab. Master the skills of an Ethical Hacker to better assess the security of your organization. Visit us at: http://www.infosecinstitute.com/courses/ethical_hacking_training.html ----------------------------------------------------------------------------
Current thread:
- RE: email address "spoofed", (continued)
- RE: email address "spoofed" Aditya, ALD [Aditya Lalit Deshmukh] (Mar 10)
- RE: email address "spoofed" David Gillett (Mar 11)
- RE: email address "spoofed" Aditya, ALD [Aditya Lalit Deshmukh] (Mar 15)
- RE: email address "spoofed" David Gillett (Mar 15)
- RE: email address "spoofed" Aditya, ALD [Aditya Lalit Deshmukh] (Mar 10)
- Re: email address "spoofed" Adrian Hall (Mar 11)