Tageszusammenfassung - Montag 20-03-2017

End-of-Shift report

Timeframe: Freitag 17-03-2017 18:00 − Montag 20-03-2017 18:00 Handler: Robert Waldner Co-Handler: n/a

Malicious Subdirectories Strike Again

In a previous post, we illustrated how attackers were fetching information from compromised sites under their control to display spam content on other hacked websites. By adding malicious files into a directory and using the victim's database structure, attackers were able to inject ads and promote their products. This time, attackers used a similar technique with a little bit more sophistication to achieve their goals. Essay Spam Campaign This technique is now being used to distribute

https://blog.sucuri.net/2017/03/malicious-subdirectories-strike-again.html


Mimikatz: Walkthrough

Security researchers have been obsessed with Windows security since the beginning of time. Various tools have been released over the years which try to weaken the security/bypass it in some way or the other. Mimikatz is a tool written in `C` as an attempt to play with Windows security.

http://resources.infosecinstitute.com/mimikatz-walkthrough/


Doctor Web: It is possible to decrypt files encrypted with Trojan.Encoder.10465

March 17, 2017 Doctor Web has developed an algorithm that successfully decrypts files encrypted by Trojan.Encoder.10465. Trojan.Encoder.10465 poses a threat to Windows computers. The Trojan is written in Delphi. The encoder appends the extension .crptxxx to the infected files and also saves to the disk a text file named HOW_TO_DECRYPT.txt, which contains the following content: Warning!!! All your files are encrypted with AESalgorithm!

http://news.drweb.com/show/?i=11211&lng=en&c=9


Sicherheitsupdate in Sicht: Gravierende Telnet-Lücke bedroht zahlreiche Cisco-Switches

Offensichtlich hat Cisco den Vault-7-Leak analysiert und ist auf eine kritische Lücke in über 300 Modellen seiner Switch-Reihe mit IOS-Betriebsystem gestoßen. Bislang gibt es nur einen Workaround - ein Patch soll folgen.

https://heise.de/-3658915


RIPS - Finding vulnerabilities in PHP application

The biggest fear of any developer has always been that their site may get hacked and occasionally it does end up being hacked. For a very long time, the most popular stack being used for the development of website has been the LAMP Stack (Linux, MySQL, PHP/Perl/Python).

http://resources.infosecinstitute.com/rips-finding-vulnerabilities-php-application/


Browser: Update der Ask.com-Toolbar verteilt Malware

Die meisten Nutzer dürften sich ohnehin nur fragen, wie sie die Ask.com-Toolbar im Browser am schnellsten wieder loswerden. Doch es gibt ein weiteres Problem: Der Update-Prozess des Programms ist notorisch für Sicherheitslücken anfällig. (Malware, Virus)

https://www.golem.de/news/browser-update-der-ask-com-toolbar-verteilt-malware-1703-126827-rss.html


Gefälschte Virenwarnung auf dem Smartphone

Während der mobilen Nutzung des Smartphones erscheinen angebliche Virenwarnungen. Sie geben vor, dass das Endgerät mit Schadsoftware infiziert sei. Abhilfe schafft ein Schutzprogramm aus einer unbekannten Quelle. Es kann Schadsoftware installieren oder zu einem Abovertrag führen.

https://www.watchlist-internet.at/handy-abzocke/gefaelschte-virenwarnung-auf-dem-smartphone/


Low Orbit Ion Cannon: Star-Trek-Ransomware tarnt sich als DDoS-Tool

Wer einen DDoS-Angriff starten will, sollte seine Werkzeuge gut auswählen. Bestimmte Versionen der Low Orbit Ion Cannon starten derzeit keinen Überlastungsangriff, sondern die Verschlüsselung der eigenen Festplatte. Teuer wird es auch, wenn Spock die Festplatte entschlüsseln soll. (Star Trek, Applikationen)

https://www.golem.de/news/low-orbit-ion-cannon-star-trek-ransomware-tarnt-sich-als-ddos-tool-1703-126799-rss.html


Cisco IOS and IOS XE Software Autonomic Networking Infrastructure Registrar Denial of Service Vulnerability

A vulnerability in the Autonomic Networking Infrastructure (ANI) registrar feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition.The vulnerability is due to incomplete input validation on certain crafted packets. An attacker could exploit this vulnerability by sending a crafted autonomic network channel discovery packet to a device that has all the following characteristics:

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170320-ani


Cisco IOS and IOS XE Software IPv6 Denial of Service Vulnerability

A vulnerability in the Autonomic Networking Infrastructure (ANI) feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition.The vulnerability is due to incomplete input validation on certain crafted packets. An attacker could exploit this vulnerability by sending a crafted IPv6 packet to a device that is running a Cisco IOS Software or Cisco IOS XE Software release that

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170320-aniipv6


IBM Security Bulletins

IBM Security Bulletin: IBM Flex System Manager (FSM) is affected by bash vulnerabilities

http://www-01.ibm.com/support/docview.wss?uid=isg3T1024962

IBM Security Bulletin: Vulnerabilities in IBM Java SDK affects IBM Application Delivery Intelligence v1.0.1, v1.0.1.1, and v1.0.2. (CVE-2016-2183, CVE-2016-5546, CVE-2016-5547,CVE-2016-5548, CVE-2016-5549)

http://www-01.ibm.com/support/docview.wss?uid=swg22000014

IBM Security Bulletin: IBM Flex System Manager (FSM) is affected by php5 vulnerabilities (CVE-2016-9933, CVE-2016-9935)

http://www-01.ibm.com/support/docview.wss?uid=isg3T1024961

IBM Security Bulletin: IBM Flex System Manager (FSM) is affected by an International Components for Unicode (ICU) vulnerability (CVE-2014-9911)

http://www-01.ibm.com/support/docview.wss?uid=isg3T1024958

IBM Security Bulletin: IBM Security Key Lifecycle Manager is affected by Query Parameter in SSL Request (CVE-2016-6102)

http://www.ibm.com/support/docview.wss?uid=swg22000359

IBM Security Bulletin: Multiple vulnerabilities in OpenSSL affect WebSphere Message Broker and IBM Integration Bus

http://www.ibm.com/support/docview.wss?uid=swg22000536