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  1. #1
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    Default 2006 Alerts - Q1

    FYI...

    SANS - Internet Storm Center
    - http://isc.sans.org/diary.php?storyid=997
    Last Updated: 2006-01-01 15:54:21 UTC by Johannes Ullrich (Version: 1)
    "I hate block lists... maybe because I have been on the 'wrong end' of them in the past. But after careful consideration, we do recommend blocking traffic from these two netblocks:
    InterCage Inc.: 69.50.160.0/19 (69.50.160.0 - 69.50.191.255)
    Inhoster: 85.255.112.0/20 (85.255.112.0 - 85.255.127.255)
    The list may be updated later. We do not expect to make this a "regular feature". But at this time we find that it is necessary to point out these particular two netblocks.
    They have been associated with a number of high profile criminal activities in the past. A good number of WMF exploits use name servers or other resources in these netblocks. They have been non responsive to current and past requests to remove malicious content."

    The machine has no brain.
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    YOU need to defend against -all- vulnerabilities.
    Hacks only need to find -1- to get in...
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  2. #2
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    Exclamation CERT's warn old java bug being exploited (NOW)

    FYI...

    - http://isc.sans.org/diary.php?storyid=1039
    Last Updated: 2006-01-13 20:17:17 UTC
    "US-CERT* and AUSCERT** warn about a bug in java being exploited. They claim (the) bug was made public in November 2005.
    ...Download that latest greatest java environment now if you haven't done so already and upgrade. Better yet: in addition to upgrading all java versions, also check those browser settings and turn java off for all sites that you either not trust 100% to execute code on your machines or that don't absolutely need it to work.
    UPDATE
    We have been informed multiple times the hostile java seems to be at a webserver at fullchain [dot] net. Might be interesting to check your logs in a corporate environment. The supposedly hostile code is still there so we won't be providing detailed URLs for now. The class file on that website is not detected as malicious by any anti-virus product participating in virustotal... It's also necessary to remove the old java environments, not just get the new ones as an attacker can target the old environments when they are still present.
    * http://www.us-cert.gov/current/curre...y.html#javaapi
    ** http://www.auscert.org.au/render.html?it=5925

    >>> http://sunsolve.sun.com/searchproxy/...=1-26-102003-1
    "...Resolution...
    * SDK and JRE 1.4.2_09 and later
    * JDK and JRE 5.0 Update 4 and later
    J2SE 1.4.2 is available for download at http://java.sun.com/j2se/1.4.2/download.html
    J2SE 5.0 is available for download at http://java.sun.com/j2se/1.5.0/download.jsp ...
    Note: It is recommended that affected versions be removed from your system..."

    The machine has no brain.
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    Browser check for updates here.
    YOU need to defend against -all- vulnerabilities.
    Hacks only need to find -1- to get in...
    .

  3. #3
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    Exclamation MS Windows Metafile (WMF) Remote File Download Exploit Generator

    FYI...

    - http://isc.sans.org/diary.php?storyid=1047
    Last Updated: 2006-01-16 17:14:37 UTC
    "We received notification last night that a working exploit "MS Windows Metafile (WMF) Remote File Download Exploit Generator" has been released to the public. The code takes advantage of the "Vulnerability in Graphics Rendering Engine Could Allow Remote Code Execution", MS# MS06-001. The exploit code will generate a .wmf that downloads and executes a specified URL. The sad part to this story is that we have a set of 'plug & play' source code for evil-doers to spread their wares with. And only 10 days after a patch has been released... we can expect to see variants coming very soon. The group responsible for this release is well-known for this."

    The machine has no brain.
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  4. #4
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    Exclamation "BlackWorm" Makes Great Strides - CME-24

    FYI...

    - http://isc.sans.org/blackworm
    Last Updated: 2006-01-26 21:39:20 UTC
    "...The first thing you should do is to update your anti virus signatures...

    How would I get infected?
    The worm spreads via e-mail attachments or file shares. Once a system in your network is infected, it will try to infect all shared file systems it has access to. You may see a new "zip file" icon on your desktop.
    What will BlackWorm do to my system?
    It will disable most anti virus products and delete them. The worm will e-mail itself using a variety of extensions and file names. It will add itself to the list of auto-start programs in your registry.
    Removal
    Anti virus vendors offer removal tools. Microsoft provides detailed instructions for manual removal. However, there are two important reasons to rebuild "from scratch":
    1. BlackWorm uses the same tricks to install itself as other viruses/worms. It may not be the only one on your system. Antivirus will not detect all viruses, and the removal tool will only remove this specific worm.
    2. BlackWorm will allow remote access to your system, and additional malware may have been installed via this backdoor.
    Snort Signatures
    Joe Stewart (Lurhq.com) provided the following snort signatures based on his analysis of the worm:
    (for up to date rules, see http://www.bleedingsnort.org ) ..."

    Last edited by AplusWebMaster; 2006-01-27 at 03:33. Reason: Title clarity...
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  5. #5
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    Post AMD forums laid low by WMF exploit

    FYI...

    - http://news.zdnet.com/2102-1009_22-6...?tag=printthis
    January 30, 2006
    "...The forums were taken offline as soon as AMD learned of the exploit, said Drew Prairie, a spokesman for the Sunnyvale, Calif.-based chipmaker. The forums are maintained by another company that apparently failed to update its software in order to protect against the exploit, he said. Prairie was unaware of the name of the company, which is dealt with by AMD's staff in Europe. The forums were back online late Monday afternoon. A poster started a thread on Saturday warning other forum users about the exploit..."

    :(
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  6. #6
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    Arrow Updated Malware Domain List @ Bleeding Snort

    FYI...

    - http://isc.sans.org/diary.php?storyid=1085
    Last Updated: 2006-01-31 22:24:11 UTC
    "The folks at Bleeding Snort released an updated list* of known malware-related domains yesterday, up to 9,400 entries now! For those of you employing DNS black holes, proxy-based filtering, or doing other general research of malware based on domains, you should check out this exhaustive (and exhausting!) new list. I frequently rely on this list to match against when doing research of spyware and related nasties. Kudos to the Bleeding Snort guys for their hard work."
    * http://www.bleedingsnort.com/blackhole-dns/files/

    The machine has no brain.
    ......... Use your own.
    Browser check for updates here.
    YOU need to defend against -all- vulnerabilities.
    Hacks only need to find -1- to get in...
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  7. #7
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    Post Spyware websites report

    FYI...

    - http://www.theregister.com/2006/02/07/spyware_survey/
    7 February 2006
    "Spyware programs that monitor users' surfing habits remain prevalent, but their frequency is on the decline, according to a recent academic study*. Security researchers at the University of Washington used web crawler technology to discover that around one in 20 executable files (5.5 per cent) offered for download on the net during a five month period contained some type of malware, mostly less malign code that generated invasive pop-up ads rather than more dangerous key-logging software. At the start of the May 2005 survey, 5.9 per cent of sites surveyed attempted to use security exploits to download spyware onto potentially vulnerable PCs. This figure for so called drive-by downloads dropped to 0.4 per cent by October 2005. Warez sites that offer pirated software topped the list for drive-by downloads (4.3 per cent of domains), with celeb sites (3.9 per cent) coming a close second. Although the density of scripted attacks dropped between May and October last year, spyware remains a substantial problem, the Washington researchers conclude..."
    * http://www.cs.washington.edu/homes/g...spycrawler.pdf

    :(
    The machine has no brain.
    ......... Use your own.
    Browser check for updates here.
    YOU need to defend against -all- vulnerabilities.
    Hacks only need to find -1- to get in...
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  8. #8
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    Exclamation Multiple Exploits available for MS06-005 and MS06-006

    FYI...

    - http://isc.sans.org/diary.php?storyid=1126
    Last Updated: 2006-02-16 04:03:36 UTC
    "The proof of concept exploit for MS06-005 has been released. The exploit crafts a malicious BMP file to perform a buffer overflow in Media Player. Keeping in mind as Microsoft has pointed out that the exploiting factor can include other graphics file as well (such as .wmp), it's a good idea to get it patched ASAP."
    >>> http://www.microsoft.com/technet/sec.../MS06-005.mspx

    - http://www.techweb.com/article/print...section=700028
    February 16, 2006
    "..."There are two exploits circulating," said Mike Puterbaugh, the vice president of marketing at eEye Digital Security, the Aliso Viejo, Calif.-based company which first uncovered the Media Player vulnerability. "One is somewhat minor, and can cause a denial-of-service, but the second we're taking far more seriously," said Puterbaugh. "It's 95 percent there as a propagated mass attack. "All the guy needs to do is add shell code to it to remotely exploit machines." The exploit, which was posted to the Bugtraq security mailing list is "minutes or days from being completed," Puterbaugh said. "The exploit hasn't been able to reliably write to the same part of memory every time, but once he gets that, it's game over"..."

    - http://isc.sans.org/diary.php?storyid=1129
    Last Updated: 2006-02-17 13:28:51 UTC
    "The 'sploit writers have been busy. In the last 24 hours a total of four exploits have been released - two each for MS06-005 and MS06-006.
    MS06-005 - Vulnerability in Windows Media Player Could Allow Remote Code Execution
    MS06-006 - Vulnerability in Windows Media Player Plug-in with Non-Microsoft Internet Browsers Could Allow Remote Code Execution ..."

    Symantec ThreatCon Level is 2
    - http://www.sarc.com/#
    "The ThreatCon remains at Level 2 in light of proof-of-concept exploits released Friday for Microsoft Security Bulletins MS06-005 (BID 16633) and MS06-006 (BID 16644). Customers are advised to install appropriate updates as soon as possible..."

    Last edited by AplusWebMaster; 2006-02-19 at 16:47. Reason: Additional info...
    The machine has no brain.
    ......... Use your own.
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    YOU need to defend against -all- vulnerabilities.
    Hacks only need to find -1- to get in...
    .

  9. #9
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    Exclamation IE vuln posts copy text to web (!)

    FYI...

    - http://www.theinquirer.net/?article=29856
    23 February 2006
    "A WARNING RECEIVED highlights what appears to be a real Explorer danger that text copied onto the clipboard can be seen on the web. Some people who should, appear to know all about this, while it was news to others we contacted.

    So try this:
    1) Copy any text by ctrl+c
    2) Click the Link:
    http://www.sourcecodesworld.com/special/clipboard.asp
    ("...The best way to solve this problem is to use Firefox...")
    3) You will see the text you copied on the Screen which was accessed by this web page.
    The advice is do not keep sensitive data (like passwords, credit card numbers, PIN etc.) in the clipboard while surfing the web. It is extremely easy to extract the text stored in the clipboard.

    To fix this it is simple, do the following in your browser:
    Tools->Internet Options->Security->Custom Level scroll down to "Scripting"
    Disable "Allow paste operation via script"
    Hit OK and you should be good to go.

    To verify, repeat step 1 & 2 and you will see the link can not see your clipboard.
    Good luck."

    The machine has no brain.
    ......... Use your own.
    Browser check for updates here.
    YOU need to defend against -all- vulnerabilities.
    Hacks only need to find -1- to get in...
    .

  10. #10
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    Exclamation Winamp buffer overflow vuln - update available

    FYI...

    - http://isc.sans.org/diary.php?storyid=1149
    Last Updated: 2006-02-25 15:33:14 UTC
    "We have been monitoring a reported flaw with Winamp 5.12 and 5.13. A buffer overflow condition with a playlist containing a long file name can cause the application to crash at best and execute arbitrary code at worst. To date, we are not aware of any POC that uses this vulnerability sucesfully for malicious purposes. This problem is fixed in Winamp 5.2 so users are advised to update..."

    - http://secunia.com/advisories/18848
    Release Date: 2006-02-16
    Last Update: 2006-02-23
    Critical: Highly critical
    Impact: DoS, System access
    Where: From remote
    Solution Status: Vendor Patch
    Software: Winamp 5.x...
    ...The vulnerability has been reported in versions 5.12 and 5.13. Prior versions may also be affected.
    Solution:
    Update to version 5.2 ..."

    Winamp 5.2 Player Download
    >>> http://www.winamp.com/player/
    Version History
    - http://www.winamp.com/player/version_history.php

    The machine has no brain.
    ......... Use your own.
    Browser check for updates here.
    YOU need to defend against -all- vulnerabilities.
    Hacks only need to find -1- to get in...
    .

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