Trojan uses Hotmail and Yahoo as spam hosts

Powered by SC Magazine
 

Scammers bypassing authentication systems.

Security firm BitDefender has warned of a new email threat using Hotmail and Yahoo Mail accounts to send spam. 

Trojan.Spammer.HotLan.A uses automatically generated email accounts, suggesting that spammers have found a way to bypass so-called Captcha systems.

Captcha works by preventing new accounts being created until the creator correctly identifies the letters depicted in an image.

Every active copy of the Trojan accesses an account, and pulls encrypted spam emails from a website. It then decrypts the emails and sends them to valid addresses taken from yet another website.

"There are only about 500 or so new accounts being created every hour," said Viorel Canja, head of BitDefender's antivirus lab.

"But we have seen at least 15,000 Hotmail accounts being used so far. It is hard to estimate how many spam emails have already been sent."

The spam currently being distributed attempts to lure users to a site advertising pharmacy products. Common spam techniques are used in the email body, such as random word generation and a random email subject.

Copyright ©v3.co.uk


Trojan uses Hotmail and Yahoo as spam hosts
 
 
 
Top Stories
Myer CIO named retailer's new chief executive
Richard Umbers to lead data-driven retail strategy.
 
Empty terminals and mountains of data
Qantas CIO Luc Hennekens says no-one is safe from digital disruption.
 
BoQ takes $10m hit on Salesforce CRM
Regulatory hurdles end cloud pilot.
 
 
Sign up to receive iTnews email bulletins
   FOLLOW US...
Latest Comments
Polls
Who do you trust most to protect your private data?







   |   View results
Your bank
  35%
 
Your insurance company
  5%
 
A technology company (Google, Facebook et al)
  9%
 
Your telco, ISP or utility
  8%
 
A retailer (Coles, Woolworths et al)
  4%
 
A Federal Government agency (ATO, Centrelink etc)
  18%
 
An Australian law enforcement agency (AFP, ASIO et al)
  15%
 
A State Government agency (Health dept, etc)
  7%
TOTAL VOTES: 4011

Vote
Do you support the abolition of the Office of the Information Commissioner?

   |   View results
I support shutting down the OAIC.
  27%
 
I DON'T support shutting the OAIC.
  73%
TOTAL VOTES: 1371

Vote