New Bagle Variant Spreading

Published: 2004-08-09
Last Updated: 2004-08-10 00:53:06 UTC
by Jason Lam (Version: 1)
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New Bagle Variant Spreading

There is a new Bagle mass-mailing virus variant on the loose.

Attachment may contain one of the following file names,

According to handler Tom Liston, the virus installs itself as C:\WINDOWS\System32\WINdirect.exe and runs from HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\win_upd2.exe


The virus download part of itself from a list of known websites. Blocking the following site at your perimeter can mitigate the risk of this virus

AV vendors have created signatures for this Bagle variant.




Snort signature for this virus is also available on Bleeding Snort (submitted by Matt Jonkman).

alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"BLEEDING-EDGE Bagle Variant Requesting 2.jpg"; reference:url,; content:"GET /2.jpg"; sid:2001061; rev:3;)

alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"BLEEDING-EDGE Bagle Variant Checking In"; reference:url,; uricontent:"/spyware.php"; sid:2001064; rev:1;)

alert tcp $HOME_NET any -> $EXTERNAL_NET 25 (msg:"BLEEDING-EDGE VIRUS Possible Bagle.AQ Worm Outbound"; content:"filename="; pcre:"m/(price2|new_price|08_price|newprice|new_price|price_new|price|price_08).zip/"; nocase; sid:2001065; rev:1;)
Microsoft Windows XP SP2 is out!

Microsoft has release Service Pack 2 for Windows XP. It not only is a cumculative patch for XP, but also add additional functionalities to Windows XP, this include many security features (such as firewall, IE security)

For the new features:

Information on SP2:
AOL Instant Messenger URI Handler Buffer Overflow

A vulnerability exists in AIM, it is caused by a stack based buffer overflow in the handling of "away" messages. Successful exploitation allows malicious code to be run on the user's system.

The vulnerability has been confirmed in version 5.5.3595. Other versions may also be affected. Mitigation includes upgrading to the latest beta version of AIM software or to use the workaround posted on


Jason Lam, jason /at/

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