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The compromised web page or malicious link in the spammed email sends the user to a Blackhole exploit kit server's landing page. This landing page contains obfuscated JavaScript that determines what is on the victim's computers and loads all exploits to which this computer is vulnerable and sometimes a Java applet tag that loads a Java Trojan ...
In October and December 2014, a popular source code repository, GitHub, was temporarily blocked for hosting a page containing (mostly) satirical suicide instructions, frequently used to troll the Russian censorship system. [32]
Messaging spam on Telegram. Instant messaging systems, such as Telegram, WhatsApp, Twitter Direct Messaging, Kik, Skype and Snapchat are all targets for spammers. [4] Many IM services are publicly linked to social media platforms, which may include information on the user such as age, sex, location and interests.
An email inbox containing a large amount of spam messages. Spamming is the use of messaging systems to send multiple unsolicited messages (spam) to large numbers of recipients for the purpose of commercial advertising, non-commercial proselytizing, or any prohibited purpose (especially phishing), or simply repeatedly sending the same message to the same user.
The first botnet was first acknowledged and exposed by EarthLink during a lawsuit with notorious spammer Khan C. Smith [49] in 2001. The botnet was constructed for the purpose of bulk spam, and accounted for nearly 25% of all spam at the time. [50] Around 2006, to thwart detection, some botnets were scaling back in size. [51]
Comment spam is a form of link spam that has arisen in web pages that allow dynamic user editing such as wikis, blogs, and guestbooks. It can be problematic because agents can be written that automatically randomly select a user edited web page, such as a Wikipedia article, and add spamming links.
A Domain Name System blocklist, Domain Name System-based blackhole list, Domain Name System blacklist (DNSBL) or real-time blackhole list (RBL) is a service for operation of mail servers to perform a check via a Domain Name System (DNS) query whether a sending host's IP address is blacklisted for email spam. [1]
Apache SpamAssassin is a Perl-based application (Mail::SpamAssassin in CPAN) which is usually used to filter all incoming mail for one or several users.It can be run as a standalone application or as a subprogram of another application (such as a Milter, SA-Exim, Exiscan, MailScanner, MIMEDefang, Amavis) or as a client (spamc) that communicates with a daemon (spamd).