Hackin9
[security bulletin] HPSBMU02895 SSRT101253 rev.1 - HP Data Protector, Remote Increase of Privilege, Denial of Service (DoS), Execution of Arbitrary Code
 
(c) SANS Internet Storm Center. http://isc.sans.edu Creative Commons Attribution-Noncommercial 3.0 United States License.
 

We do see a lot of probes for port 32764/TCP . According to a post to github from 2 days ago, some Linksys devices may be listening on this port enabling full unauthenticated admin access. [1]

At this point, I urge everybody to scan their networks for devices listening on port 32764/TCP. If you use a Linksys router, try to scan its public IP address from outside your network. 

Our data shows almost no scans to the port prior to today, but a large number from 3 source IPs today. The by far largest number of scans come from 80.82.78.9. ShodanHQ has also been actively probing this port for the last couple of days.

https://isc.sans.edu/portascii.html?port=32764&start=2013-12-03&end=2014-01-02

Date Records Targets Sources TCP/UDP*100
Dec 5th 10 2 3 90
Dec 9th 11 2 5 100
Dec 10th 17 5 6 100
Jan 2nd 15068 3833 3 100

We only have 10 different source IP addresses originating more then 10 port 32764 scans per day over the last 30 days:

+------------+-----------------+----------+
| date       | source          | count(*) |
+------------+-----------------+----------+
| 2014-01-02 | 080.082.078.009 |    18392 |
| 2014-01-01 | 198.020.069.074 |      768 |<-- interesting... 3 days
| 2014-01-02 | 198.020.069.074 |      585 |<--    early hits from ShodanHQ
| 2014-01-02 | 178.079.136.162 |      226 |
| 2013-12-31 | 198.020.069.074 |      102 |<--    
| 2014-01-02 | 072.182.101.054 |       74 |
+------------+-----------------+----------+

 

[1] https://github.com/elvanderb/TCP-32764

-----
Johannes B. Ullrich, Ph.D.
SANS Technology Institute
Twitter

(c) SANS Internet Storm Center. http://isc.sans.edu Creative Commons Attribution-Noncommercial 3.0 United States License.
 
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The official website for the widely used OpenSSL code library was compromised four days ago in an incident that is stoking concerns among some security professionals.

Code repositories remained untouched in the December 29 hack, and the only outward sign of a breach was a defacement left on the OpenSSL.org home page. The compromise is nonetheless rattling some nerves. In a brief advisory last updated on New Year's Day, officials said "the attack was made via hypervisor through the hosting provider and not via any vulnerability in the OS configuration." The lack of additional details raised the question of whether the same weakness may have been exploited to target other sites that use the same service. After all, saying a compromise was achieved through a hypervisor vulnerability in the Web host of one of the Internet's most important sites isn't necessarily comforting news if the service or hypervisor platform is widely used by others.

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Eloi Vanderbeken described the backdoor in a PowerPoint posted with the code to Github. In his illustrated report, he explained how over the Christmas holiday he was trying to get access to the administrative console of his family’s Linksys WAG200G wireless DSL gateway wirelessly—mostly so he could limit how much bandwidth the others in the house were using. But Vanderbeken had previously turned off wireless access to the administration web console (and had forgotten his administrative password).

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By now, most of you have heard that the openssl.org website was defaced.  While the source code and repositories were not tampered with, this obviously concerned people.  What is more interesting is that the attack was made possible by gaining access to the hypervisor that hosts the VM responsible for the website.  Attacks of this sort are likely to be more common as time goes on as it provides easy ability to take over a host without having to go through the effort of actually rooting a box.  (Social engineering credentials is easy, ask the Syrian Electronic Army... actual penetrations take effort).

The key takeaways are to obviously protect the Hypervisor from unauthorized access.  Beyond that, protect your VMs as if they are physical machines and as feasible use a BIOS password, boot password, disable DVDROM and USB storage.  Don't trust the hypervisor or VM host to secure your machine for you.  For additional reading, see this NIST Guide to Security for Full Virtualization Technologies.

More on the openssl.org defacement as it develops.

--
John Bambenek
bambenek \at\ gmail /dot/ com
Bambenek Consulting

(c) SANS Internet Storm Center. http://isc.sans.edu Creative Commons Attribution-Noncommercial 3.0 United States License.
 

UPDATE 1500 PDT 01 JAN: Skype Blogs now recovered and reverted to normal. Be sure to add all available protection to your social media accounts and don't use one password to access them all.

The Syrian Electronic Army (SEA) has compromised Skype’s blog and posted anti-NSA and anti-Microsoft messages with such joyful tidbits as "Don’t use Microsoft emails (hotmail,outlook), They are monitoring your accounts and selling the data to the governments."

Skype Blog Pwn

SEA also gained control of Skype’s Facebook and Twitter accounts although messages posted have since been removed.
Follow all the fun on Twitter.

Russ McRee | @holisticinfosec
 
 
 

 

(c) SANS Internet Storm Center. http://isc.sans.edu Creative Commons Attribution-Noncommercial 3.0 United States License.
 
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