Advice for the Unsophisticated Computer User

OUCH: The Report On Identity Theft and Attacks On Computer Users

SANS Advisory: August 3, 2004

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OUCH: The Report On Identity Theft and Attacks On Computer Users
Volume 1, No. 8.                                          August 3, 2004
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Every day, thousands of people are fooled by email from criminals trying
to steal their identities or infect and take over their computers.  This
update will help you avoid being a victim.  The attacks listed here are
the tip of the iceberg. To be safe, don't open email attachments from
anyone unless you were expecting the attachment. And don't click on
links in emails unless you can guarantee the email came from someone who
is not trying to fool you.

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Contents
Harmful Email Subjects to Avoid

I. Emails from people trying to infect your system and steal your
   friends' email addresses for spam
  I.1. Pictures of Osama Bin Laden hanging or Arnold Schwarzenegger's
       suicide note
  I.2. Email that seems to come from your system administrator or 
       other familiar sender that says your email could not be 
       delivered, or some similar statement.
  I.3. Email with subject "Against!" or "Revenge"
  I.4. Email with subject Re_ and body with animals or foto or other 
       subjects

 
II. Emails from people trying to steal your identity (and your money)
  II.1. Update Your Billing Information (from eBay)
  II.2. Your account at eBay has been suspended
  II.3. Your account at Wells Fargo has been suspended
  II.4. Notification of US Bank Internet Banking
  II.5. Attn: Citibank Update
  II.6  Confirm AOL Billing Info
 
 
III. Emails from people trying to fool you into hurting yourself or
     your friends and coworkers
  III.1 Subject: "jdbg" Virus: how to detect and remove.


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More Details About Each Attack

I: Emails from people trying to infect your system and steal your
        friends' names for spam

I.1. Name: Hackarmy

The bait: An email or news article claiming to offer you copies of
pictures of Osama Bin Laden being hanged.  A second form claims
to have a suicide note from Arnold Schwarzenegger.
  
How it infects your system: You click on a link that downloads a zip 
file. You execute the file thinking you will see the pictures. 
  
What it does to you: Gives attackers remote control of your computer so
they can use it in attacks on other people, or harvest email names for
spam.
 
Where to find detailed information:

I.2. Name: Mydoom-O

The bait: An email that seems to come from your mail or system 
administrator or from another familiar sender, with an attachment 
and with any one of the following subjects: (1) say helo to my litl
friend, (2) click me baby, (3) one more time, (4) hello, (5) error, 
(6) status, (7) test, (8) report, delivery failed, (9) Message could 
not be delivered, (10) Mail System Error - Returned Mail,
(11) Delivery reports about your e-mail, (12) Returned mail: see 
transcript for details, (13) Returned mail: Data format error. 

How it infects your system: You download and open the attachment.

What it does to you: Steals all email addresses from you to be sold to
Spammers; spreads to other sites from your machine.  It also uses your
system to send requests to search engines like Google to look for more
email addresses.

Where to find more detailed information:

I.3. Name: Atak-C

The bait: An email that arrives with the subject "Attack!" or "Revenge"
and a zipped attachment

How it infects your system: You download and open the attachment.

What it does to you: Steals all email addresses from you to be sold to
spammers.

Where to find more detailed information:

I.4. Name: Beagle

The bait: An email with subject Re_ and body with animals or foto or
other subjects, and an attachment.

How it infects your system: You download and open the attachment.

What it does to you: Disables antivirus and other important software,
mass mails itself to others, steals email addresses from throughout
your files, gives attacker remote control of your computer to use to
attack other systems.

Where to find more detailed information:

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II. Emails from people trying to steal your identity (and your money)

II.1 Update Your Billing Information (from eBay)

The bait: An email that looks as if it comes from eBay saying the 
company has "detected a slight error in your billing information" and
saying that you must fix it within 48 hours to continue to buy or sell
on eBay.

What it tries to make you do: Click on a link and tell them your eBay
and PayPal username and password, and your credit/debit card
information

Where you can see how it actually appears:

II.2 Your account at eBay has been suspended

The bait: An email that looks as if it comes from eBay saying your 
account has been suspended and "We had to block your eBay account"

What it tries to make you do: Click on a link and tell them your eBay
and PayPal username and password, and your credit/debit card
information

Where you can see how it actually appears:

II.3 Your account at Wells Fargo has been suspended

The bait: An email that looks as if it comes from Wells Fargo saying
your account has been suspended and "Your account has been compromised
by outside parties."

What it tries to make you do: Click on a link and tell them your
username, password, and credit card information.

Where you can see how it actually appears:

II.4. Notification of US Bank Internet Banking

The bait: An email that looks as if it comes from US Bank saying, "as a
preventative measure, we have temporarily limited access to some
features."

What it tries to make you do: Click on a link and tell them username,
password, credit card data or debit card data.

Where you can see how it actually appears:

II.5. Attn: Citibank Update

The bait: "Click here" link in an email that seems to come from
Citibank.

What it tries to make you do: Click on a link and tell them personal
information and credit card or debit card data.

Where you can see how it actually appears:

II.6  Confirm AOL Billing Info

The bait: An email that seems to come from AOL saying your billing 
information is out of date and asking you to "spend several minutes 
and update your billing records."

What it tries to make you do: Click on a link and tell them personal 
information and credit card or debit card data.

Where you can see how it actually appears:

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III. Emails from people trying to fool you into hurting yourself or your
friends and coworkers

III. 1. jdbg Hoax

The bait: An email telling you about a virus and how to remove it. 

Example: "Subject: "jdbg" Virus: how to detect and remove." May also
talk about finding a teddy bear on the machine - because the file has a
bear as a symbol.

What it is trying to make you do: Remove a file that is not harmful.

Where to find more information:

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