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Simulating Email in .NET

The Article has images
2008-08-01 13:59:01 by keith-brown in Security Briefs
...SMTP server when you use System.Net.Mail to send mail. Instead, use the default ctor for SmtpClient as I've done in the code below static void Main( string [] args) { // note the use of the MailAddress class // this allows me to specify display names as well as email addresses MailAddress from = new MailAddress( "admin@fabrikam.com" ,...
 
 
 
 
 
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The opt-out from hell

2008-09-16 19:22:03 by Steve Riley in Steve Riley on Security
 
...SMTP Server (TLS) id 8.1.291.1; Tue, 16 Sep 2008 11:27:56 -0700 Received: from mail139-wa4-R.bigfish.com (216.32.181.113) by mail04.microsoft.com (10.253.160.184) with Microsoft SMTP Server (TLS) id 8.1.291.1; Tue, 16 Sep 2008 11:27:55 -0700 Received: from mail139-wa4 (localhost.localdomain [127.0.0.1]) by mail139-wa4-R.bigfish.com (Postfix)...
 
 
 
 
 
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GMail Flaw Opens Floodgates for Spammers

2008-05-13 12:58:36 by Editor in Cheap Hack
 
...SMTP servers . Google imposes no limits on the number of messages sent through this method, and INSERT claims that any message header contents can be forged using it. The real problem here is not that you can send spam, but that it comes through Google's SMTP servers. Server-based reputation is one of the principal methods by which e-mail is...
 
 
 
 
 
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E-mail and its security discontents

2008-01-15 00:00:00 by HASH0x8b3acf8 in Network World on Security
 
Jericho Forum member advocates Microsoft, Cisco and others stepping up to help make SMTP-based messaging more secure
 
 
 
 
 
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Malware Infected Hosts as Stepping Stones

The Article has images
2008-02-21 22:03:01 by HASH0x8b1f7bc in Dancho Danchev's Blog - Mind Streams of Information Security Knowledge
...SMTP-based or WEB-based) is definitely the top application. The proxy user will configure their application to point at lists of IP:Port combinations of proxybots which have called home. This results in a TCP connection from the "outside" to a proxybot on the "inside" and a subsequent TCP (or UDP) connection to the target destination...
 
 
 
 
 
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Backdoor in G-Archiver

2008-03-11 14:02:11 by Chris Wysopal in Zero in a bit
 
...SmtpClient client = new SmtpClient client.Credentials = new NetworkCredential(JTerry79@gmail.com, bilal482 client.Port = 024b client.Host = smtp.gmail.com client.EnableSsl = true client.Send(message catch (Exception This obviously wasnt the smartest backdoor. The writer didnt need to use the same credentials for for his drop account to...
 
 
 
 
 
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A Localized Bankers Malware Campaign

The Article has images
2008-03-25 14:59:06 by HASH0x8b6136c in Dancho Danchev's Blog - Mind Streams of Information Security Knowledge
...smtp@ gmail.com ladrao.contatos@ gmail.com urls.file@ gmail.com receiver.guzano@ gmail.com The bottom line, the campaign is well organized, primarily targeting Portuguese speaking end users, is being spammed from stolen email accounts, and has its malware hosted on a Russian free web space provider. Perhaps the only thing it's missing is a...
 
 
 
 
 
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MessageLabs versus GMail

2008-03-31 16:22:07 by Liudvikas Bukys in Liudvikas Bukys
 
MessageLab mail forwarders have been unwilling to talk to GMail servers at least since Saturday 2008-03-29, with a mix of TCP connection refused and SMTP 421 Service Temporarily Unavailable Perhaps its related to flurry of articles about GMail CAPTCHA cracking three weeks ago and the resulting surge of spam Whatever the reason, its a painful outage
 
 
 
 
 
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Fake Yahoo Greetings Malware Campaign Circulating

The Article has images
2008-04-16 15:21:03 by HASH0x8c5ff78 in Dancho Danchev's Blog - Mind Streams of Information Security Knowledge
...SMTP servers. It then spams itself in email with a file attached in zip and password protected format. Furthermore, the password is included in the body of the email tag38.com is responding to 211.142.23.21 , and is a part of a scammy ecosystem of other phishing and malware related domains responding to the same IP. And these are the related...
 
 
 
 
 
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A new blog on the block

2008-05-16 23:36:19 by HASH0x8af0bbc in StillSecure, After All These Years