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以前のブログ で、成功率を上げるためにスパマーがメッセージを次々と変更している事例についてお伝えしました。その中で解説したように、同じスパム活動で使われるメッセージが、音声メールの通知から、小売業者の配達不能通知へ、さらには電力会社を装った案内へと変更されていたのです。リンクをクリックすると、 Trojan.Fakeavlock を含む .zip ファイルがダウンロードされます。しかし、スパマーもこうした攻撃経路ではユーザーがなかなか騙されなくなってきたことに気付いたようで、この攻撃に 2 ...
Blog Entry by Eric Park | 18 Feb 2014 | 0 comments
In this blog detailing how spammers continue to change their messages in order to increase their success rate, we looked at the evolution of the same spam campaign from missed voicemail messages to spoofing various retailers, and then spoofing ...
Blog Entry by Eric Park | 18 Feb 2014 | 0 comments
スパム送信で特に頻繁に使われる手口のひとつが、「かんじきスパム」とも呼ばれる一撃離脱タイプのスパムです。スパム対策フィルタをできるだけ多くすり抜けられるように、多数の IP アドレスとドメインを用意して、スパムを大量送信するとすぐに新しい IP アドレスとドメインに移行するという手法に特徴があります。一度使われた IP アドレスとドメインが再利用されることは、ほとんどありません。 ...
Blog Entry by Eric Park | 12 Feb 2014 | 0 comments
I need a solution SMSME v70.0.2.79 running on Windows Small Business Server 2011 SMSME Live Update confiugred to run at a specific time (01:00) but it runs during the day instead ...
Forum Discussion by AMTGI | 13 Feb 2014 | 1 comment
One of the most popular methods of spamming is snowshoe spam, also known as hit and run spam. This involves spam that comes from many IP addresses and many domains, in order to minimize the effect of antispam filtering. The spammer typically sends a ...
Blog Entry by Eric Park | 11 Feb 2014 | 0 comments
I need a solution Hello, We are trying to mirgate some of our mailboxes to exchange server 2010. We also installed Symantec Mail Security 7.0.2.79. We did migrate about 10 ...
Forum Discussion by helpdesk zienn | 11 Feb 2014 | 11 comments
I need a solution Hi - I understand RBL support was removed from Mail Security because that feature was included with Exchange 2007/2010.  Now that 2013 removes support for RBLs, ...
Forum Discussion by Kremlar | 11 Feb 2014 | 4 comments
I need a solution Per the subject, I have several sites running SMSMSE 7 and despite using Rapid Release Defs every few hours the amount of e-mails with Trojan .exe's in .zip files ...
Forum Discussion by pkecun | 07 Feb 2014 | 2 comments
I do not need a solution (just sharing information) Hi, I've just installed SMSMSE on our Exchange Servers, and everything went fine.   While reading the "Getting ...
Forum Discussion by Sagouain | 05 Feb 2014 | 1 comment
中国では今、新年を迎える準備に沸いています。今年は 1 月 31 日の新月から午年が始まります。世界中で 10 億を超える人々が旧暦の新年を祝うことになり、今年の祝賀行事はこれまで以上に華やかなものになるでしょう。   ...
Blog Entry by Binny Kuriakose | 31 Jan 2014 | 0 comments