CVE-2020-7841

Improper input validation vulnerability exists in TOBESOFT XPLATFORM which could cause arbitrary .hta file execution when the command string is begun with http://, https://, mailto://...

Sharpshooter HTML Remote Code Execution

Sharpshooter is a tool to create HTA payloads and inject them to HTML Pages using JS. This tool may be used by attackers to remotely execute arbitrary code on the affected system...

Demiguise HTML Remote Code Execution

Demiguise is a tool to inject malicious payload in HTA format to HTML Pages using JS. This tool may be used by attackers to remotely execute arbitrary code on the affected system...

GIVINGSTORM - Infection Vector That Bypasses AV, IDS, And IPS

The beginnings of a C2 framework. Currently without all the C2 stuff so far. Generates a dual stage VBS infection vector, and a dual stage HTA infection vector. The variables take into account C2 addresses, Koadic/Empire payloads, and a few delivery mechanisms. The payload files are output to an...

Microsoft Windows MSHTA.EXE .HTA File XML Injection Vulnerability

Microsoft Windows MSHTA.EXE .HTA File XML Injection Vulnerability Vendor www.microsoft.com Product Windows MSHTA.EXE .HTA File An HTML Application HTA is a Microsoft Windows program whose source code consists of HTML, Dynamic HTML, and one or more scripting languages supported by Internet Explore...

Microsoft Windows mshta.exe 2019 - XML External Entity Injection

Exploit Title: Microsoft Windows mshta.exe 2019 - XML External Entity Injection Date: 2020-07-07 Exploit Author: hyp3rlinx Vendor homepage: https://www.microsofft.com/ CVE: N/A + Credits: John Page aka hyp3rlinx + Website: hyp3rlinx.altervista.org + Source:...

Microsoft Windows MSHTA.EXE .HTA File XML Injection

Credits: John Page aka hyp3rlinx + Website: hyp3rlinx.altervista.org + Source: http://hyp3rlinx.altervista.org/advisories/MICROSOFT-WINDOWS-MSHTA-HTA-FILE-XML-EXTERNAL-ENTITY-INJECTION.txt + twitter.com/hyp3rlinx + ISR: ApparitionSec Vendor www.microsoft.com Product Windows MSHTA.EXE .HTA File An...

Hackers Turn to OpenDocument Format to Avoid AV Detection

Attackers have a new obfuscation technique that uses the OpenDocument file format for sneaking payloads past antivirus software. Past macro-based attacks have relied on malware hitching a ride with .docx, .zip, .jar and many other file formats. But researchers at Cisco Talos said that because the...

Open Document format creates twist in maldoc landscape

By Warren Mercer and Paul Rascagneres. Introduction Cisco Talos recently observed attackers changing the file formats they use in an attempt to thwart common antivirus engines. This can happen across other file formats, but today, we are showing a change of approach for an actor who has deemed...

Thousands of PCs Affected by Nodersok/Divergent Malware

New malware identified by Microsoft and Cisco Talos has affected thousands of PCs in the United States and Europe and turns systems into proxies for performing malicious activity, the companies said. The fileless threat—called Nodersok by Microsoft and Divergent by Cisco Talos—has many of its own...

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...

Olympic Destroyer Wiper Changes Up Infection Routine

Olympic Destroyer, the wiper malware that briefly disrupted the Winter Olympic Games in South Korea earlier this year, appears to be back with a new first-stage dropper variant. It contains a few significant changes that indicate an evolution for the APT group behind it, according to researchers...

Microsoft Windows Defender Evasive JS.Net and HTA

This module will generate an HTA file that writes and compiles a JScript.NET file containing shellcode on the target machine. After compilation, the generated EXE will execute the shellcode without interference from Windows Defender. It is recommended that you use a payload that uses RC4 or HTTPS...

SharpShooter - Payload Generation Framework

SharpShooter is a payload creation framework for the retrieval and execution of arbitrary CSharp source code. SharpShooter is capable of creating payloads in a variety of formats, including HTA, JS, VBS and WSF. It leverages James Forshaw's DotNetToJavaScript tool to invoke methods from the...

Payload Generation Framework: SharpShooter

SharpShooter is a payload creation framework for the retrieval and execution of arbitrary CSharp source code. SharpShooter is capable of creating payloads in a variety of formats, including HTA, JS, VBS and WSF. It leverages James Forshaw’s DotNetToJavaScript tool to invoke methods from the...

New Malware Family Uses Custom UDP Protocol for C&C Communications

Security researchers have uncovered a new highly-targeted cyber espionage campaign, which is believed to be associated with a hacking group behind KHRAT backdoor Trojan and has been targeting organizations in South East Asia. According to researchers from Palo Alto, the hacking group, which they...

The King is dead. Long live the King!

In late April 2018, a new zero-day vulnerability for Internet Explorer IE was found using our sandbox; more than two years since the last in the wild example CVE-2016-0189. This particular vulnerability and subsequent exploit are interesting for many reasons. The following article will examine th...

SpookFlare v2.0 - Loader, Dropper Generator With Multiple Features For Bypassing Client-Side And Network-Side Countermeasures

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 Campaigns Targeting Brazilian Users

FireEye Labs recently identified several widespread malspam malware spam campaigns targeting Brazilian companies with the goal of delivering banking Trojans. We are referring to these campaigns as Metamorfo. Across the stages of these campaigns, we have observed the use of several tactics and...

Word-based Malware Attack Doesn’t Use Macros

Typically, inbox-based attacks that include malicious Microsoft Office attachments require adversaries to trick users into enabling macros. But researchers say they have identified a new malicious email campaign that uses booby-trapped Office attachments that are macro-free. The attacks do not...