Threat Analysis: Recent Attack Technique Leveraging cmd.exe and PowerShell Demonstrates How Attackers Are Using Trusted Microsoft Applications for Malicious Behavior

An attack leveraging cmd.exe and PowerShell was recently investigated by Cb ThreatSight analysts. Our initial investigation discovered that a batch file was executed on the targeted system. This batch file then invoked PowerShell with a base64 encoded command. Decoding the command revealed a seri...

Dark Tequila: A Distilled Threat for Mexican Targets

Researchers have been tracking an ongoing malicious campaign targeting victims in Mexico, with a highly crafted tool built to steal financial information and login credentials for popular websites. Researchers at Kaspersky Lab said today that the campaign, dubbed Dark Tequila, and its supporting...

Dark Tequila Banking Malware Uncovered After 5 Years of Activity

Security researchers at Kaspersky Labs have uncovered a new, complex malware campaign that has been targeting customers of several Mexican banking institutions since at least 2013. Dubbed Dark Tequila , the campaign delivers an advanced keylogger malware that managed to stay under the radar for...

Dark Tequila Añejo

Dark Tequila is a complex malicious campaign targeting Mexican users, with the primary purpose of stealing financial information, as well as login credentials to popular websites that range from code versioning repositories to public file storage accounts and domain registrars. A multi-stage...

Code injection

In Apache Spark 2.1.0 to 2.1.2, 2.2.0 to 2.2.1, and 2.3.0, it's possible for a malicious user to construct a URL pointing to a Spark cluster's UI's job and stage info pages, and if a user can be tricked into accessing the URL, can be used to cause script to execute and expose information from the...

Gaza Cybergang Returns With New Attacks On Palestinian Authority

Security researchers from Check Point Threat Intelligence Team have discovered the comeback of an APT advanced persistent threat surveillance group targeting institutions across the Middle East, specifically the Palestinian Authority. The attack, dubbed "Big Bang," begins with a phishing email se...

Security Bulletin: InfoSphere Information Server is vulnerable to XML External Entity Injection (XXE) (CVE-2016-6059)

Summary IBM InfoSphere Information Server is vulnerable to a denial of service, caused by an XML External Entity Injection XXE error when processing XML data. Vulnerability Details CVEID: CVE-2016-6059 DESCRIPTION: IBM InfoSphere Information Server is vulnerable to a denial of service, caused by ...

Security Bulletin: Vulnerability in Apache Xerces-C XML parser, including XML4C affects IBM InfoSphere Information Server (CVE-2016-0729)

Summary Open Source Xerces-C XML parser vulnerability affects IBM InfoSphere Information Server. Vulnerability Details CVEID: CVE-2016-0729 DESCRIPTION: Apache Xerces-C XML Parser library is vulnerable to a denial of service, caused by improper bounds checking during processing and error reportin...

Security Bulletin: Security vulnerability in Apache Commons FileUpload used by Liberty for Java for IBM Cloud (CVE-2016-1000031)

Summary There is a potential vulnerability in the Apache Commons FileUpload used by WebSphere Application Server traditional and WebSphere Application Server Liberty. Vulnerability Details CVEID: CVE-2016-1000031 DESCRIPTION: Apache Commons FileUpload, as used in several products, could allow a...

Security Bulletin: Multiple security vulnerabilities affect Liberty for Java for IBM Bluemix (CVE-2017-1583, CVE-2011-4343)

Summary There is a potential infomation disclosure vulnerability that affects the Java Server Faces JSF component used by WebSphere Application Server. There is a potential infomation disclosure vulnerability that affects the MyFaces component used by JSF in WebSphere Application Server...

Security Bulletin: Multiple security vulnerabilities affect Liberty for Java for IBM Bluemix (CVE-2016-5573, CVE-2016-5597, CVE-2016-5983)

Summary There are multiple vulnerabiltities in the IBM® SDK Java™ Technology Edition that is shipped with IBM WebSphere Application Server. These issues were disclosed as part of the IBM SDK for Java updates in October 2016. These may affect some configurations of IBM WebSphere Application Server...

Security Bulletin: Vulnerability in Apache Standard Taglibs affects Liberty for Java for IBM Bluemix (CVE-2015-0254)

Summary There is an XML External Entity Injection XXE vulnerability in the Apache Standard Taglibs that affects IBM WebSphere Application Server. Vulnerability Details CVEID: CVE-2015-0254 DESCRIPTION: Apache Standard Taglibs could allow a remote attacker to execute arbitrary code on the system,...

Security Bulletin: SSL certificate validation disabled through a vulnerability in the Auto-Scaling for Bluemix service agent (CVE-2016-0323)

Summary Liberty for Java applications bound to the Auto-Scaling for Bluemix service have SSL certificate validation disabled through a vulnerability in the agent for the service. The default SSL connection factory for https requests is set to bypass all trust management in this vulnerability...

Targeted Spy Campaign Hits Russian Service Centers

A series of espionage attacks have been uncovered, targeted at service centers in Russia that provide maintenance and support for a variety of electronic goods. The payload is a commercial version of the Imminent Monitor tool, which is freely available for purchase as legitimate software. Its...

VPNFilter Malware Impact Larger Than Previously Thought

Researchers say the impact of the VPNFilter malware discovered last month is larger than originally reported. On Wednesday, Cisco Talos researchers said they now believe the malware has infected twice the number of router brands than previously stated. They added that VPNFilter also delivers a mo...

VPNFilter Update - VPNFilter exploits endpoints, targets new devices

Introduction Cisco Talos, while working with our various intelligence partners, has discovered additional details regarding "VPNFilter." In the days since we first published our findings on the campaign, we have seen that VPNFilter is targeting more makes/models of devices than initially thought,...

Brazilian Banking Trojan Communicates Via Microsoft SQL Server

Researchers have discovered a banking trojan making waves in Brazil with an array of tricks up its sleeve, including using an unusual command and control C&C server and a full-screen social-engineering overlay form. Researchers at IBM X-Force research on Tuesday revealed that attackers are using...

VPNFilter EXIF to C2 mechanism analysed

On May 23 2018, our colleagues from Cisco Talos published their excellent analysis of VPNFilter, an IoT / router malware which exhibits some worrying characteristics. Some of the things which stand out about VPNFilter are: It has a redundant, multi-stage command and control mechanism which uses...

Meterpreter Loader Generator: SpookFlare

SpookFlare has a different perspective to bypass security measures and it gives you the opportunity to bypass the endpoint countermeasures at the client-side detection and network-side detection. SpookFlare is a loader/dropper generator for Meterpreter, Empire, Koadic etc. SpookFlare has...

Metamorfo Targets Brazilian Users with Banking Trojans

A recent spate of financial malware campaigns targeting Brazilian companies, collectively dubbed Metamorfo, uses “spray and pray” spam tactics to ensnare their victims. Across the various offensives, the bad actors are abusing legitimate, signed binaries to load the malicious code. As the name...