laZzzy - Shellcode Loader, Developed Using Different Open-Source Libraries, That Demonstrates Different Execution Techniques

laZzzy is a shellcode loader that demonstrates different execution techniques commonly employed by malware. laZzzy was developed using different open-source header-only libraries. Features Direct syscalls and native Nt functions not all functions but most Import Address Table IAT evasion Encrypte...

Rhonabwy 加密问题漏洞

Rhonabwy is a Javascript Object Signing and Encryption JOSE library from the Canadian personal developer Nicolas Mora. A cryptographic issue vulnerability exists in version 1.1.x of Rhonabwy prior to 0.9.99 to 1.1.7, which stems from not checking the length of the RSA private key before decryptin...

SolarMarker Malware Uses Novel Techniques to Persist on Hacked Systems

In a sign that threat actors continuously shift tactics and update their defensive measures, the operators of the SolarMarker information stealer and backdoor have been found leveraging stealthy Windows Registry tricks to establish long-term persistence on compromised systems. Cybersecurity firm...

CVE-2020-25493

Oclean Mobile Application 2.1.2 communicates with an external website using HTTP so it is possible to eavesdrop the network traffic. The content of HTTP payload is encrypted using XOR with a hardcoded key, which allows for the possibility to decode the traffic...

CVE-2020-3681

Authenticated and encrypted payload MMEs can be forged and remotely sent to any HPAV2 system using a jailbreak key recoverable from code...

Code injection

Authenticated and encrypted payload MMEs can be forged and remotely sent to any HPAV2 system using a jailbreak key recoverable from code...

Partner Perspectives: Insight on Turla PNG Dropper

Editor's Note: This blog originally appeared on NCC Group's website. This is a short blog post on the PNG Dropper malware that has been developed and used by the Turla Group 1. The PNG Dropper was first discovered back in August 2017 by Carbon Black researchers. Back in 2017 it was being used to...

SamSam ransomware: controlled distribution for an elusive malware

SamSam ransomware has been involved in some high profile attacks recently, and remains a somewhat elusive malware. In its time being active, SamSam has gone through a slight evolution, adding more features and alterations into the mix. These changes do not necessarily make the ransomware more...

ShadowPad in corporate networks

ShadowPad, part 2: Technical Details PDF In July 2017, during an investigation, suspicious DNS requests were identified in a partner's network. The partner, which is a financial institution, discovered the requests originating on systems involved in the processing of financial transactions. Furth...

Hacking Millions with Just an Image — Recipe: Pixels, Ads & Exploit Kit

If you have visited any popular mainstream website over the past two months, your computer may have been infected — Thanks to a new exploit kit discovered by security researchers. Researchers from antivirus provider ESET released a report on Tuesday stating that they have discovered an exploit ki...