Emotet malspam campaign uses Snowden’s new book as lure

Exactly one week ago, Emotet, one of the most dangerous threats to organizations in the last year, resumed its malicious spam campaigns after several months of inactivity. Based on our telemetry, we can see that the botnet started becoming chatty with its command and control servers C2, about a...

CB Threat Analysis Unit Technical Breakdown: GermanWiper Ransomware

Editor's Note: The TAU-TIN related to this write up can be located here. GermanWiper Ransomware was found distributed via spam email campaign in Germany. It’s a data-wiping malware and the ransom note was written in German language. The malware pretends to be ransomware but is actually a wiper th...

Microsoft Excel .SLK Payload Delivery

This module generates a download and execute Powershell command to be placed in an .SLK Excel spreadsheet. When executed, it will retrieve a payload via HTTP from a web server. When the file is opened, the user will be prompted to "Enable Content." Once this is pressed, the payload will execute...

AdvisorsBot Downloader Emerges in Raft of Malware Campaigns

A new downloader was disclosed today, sporting significant anti-analysis features and increasingly sophisticated distribution techniques. Researchers at Proofpoint have been tracking the downloader as a first-stage payload in campaigns since May 2018. Dubbed AdvisorsBot due to early...

Iranian Threat Group Updates Tactics, Techniques and Procedures in Spear Phishing Campaign

Introduction From January 2018 to March 2018, through FireEye’s Dynamic Threat Intelligence, we observed attackers leveraging the latest code execution and persistence techniques to distribute malicious macro-based documents to individuals in Asia and the Middle East. We attribute this activity t...

CHM Help Files Deliver Brazilian Banking Trojan

Security researchers are warning of a new spam campaign targeting Brazilian institutions that contain Compiled HTML file attachments that are used to deliver a banking Trojan. Spam messages contain a malicious CHM attachment called “comprovante.chm”, wrote Rodel Mendrez, senior security researche...

Obfuscation in the Wild: Targeted Attackers Lead the Way in Evasion Techniques

Throughout 2017 we have observed a marked increase in the use of command line evasion and obfuscation by a range of targeted attackers. Cyber espionage groups and financial threat actors continue to adopt the latest cutting-edge application whitelisting bypass techniques and introduce innovative...

Spread banking Trojan the Office 0day Vulnerability(CVE-2017-0199)technical analysis-vulnerability warning-the black bar safety net

Vulnerability overview Microsoft in 4 months of routine patch of 4 on 12, the A Office remote command execution vulnerability, CVE-2017-0199 for the repair, but in fact in the patch before the release there has been more use of this vulnerability in the wild is found, which contains the...

Office Zero Day Delivering FINSPY Spyware to Victims in Russia

Since at least January, unidentified state-sponsored attackers have been targeting victims in Russia with FINSPY spyware delivered in exploits for an Office and WordPad zero-day vulnerability patched on Tuesday by Microsoft. Separately, the same zero-day has been leveraged in financially motivate...

Github Repository Owners Targeted by Data-Stealing Malware

Phishing emails zeroing in on developers who own Github repositories were infecting victims with malware capable of stealing data through keyloggers and modules that would snag screenshots. Researchers at Palo Alto Networks this week said that in mid-January, an unknown number of developers were...

Loopback Options When Load Balancing StoreFront Server Group Using NetScaler

In previous versions of StoreFront such as 2.6 or older, Citrix recommended that you manually modify the hosts file on each StoreFront server to map the fully qualified domain name FQDN of the load balancer to the loopback address or the IP address of the specific StoreFront server. This ensures...

Regsvr32.exe (.sct) Application Whitelisting Bypass Server

This module simplifies the Regsvr32.exe Application Whitelisting Bypass technique. The module creates a web server that hosts an .sct file. When the user types the provided regsvr32 command on a system, regsvr32 will request the .sct file and then execute the included PowerShell command. This...

How to Move the VBRCatalog Folder

Purpose This article documents the procedure for moving the VBRCatalog folder on Veeam Backup & Replication and Veeam Backup Enterprise Manager servers. Solution VBRCatalog Location Requirements The VBRCatalog folder must be on the root of a given drive letter. Example: C:\VBRCatalog\ or...