Black Basta Ransomware Gang Infiltrates networks via QAKBOT, Brute Ratel, and Cobalt Strike
We analyzed a QAKBOT-related case leading to a Brute Ratel C4 and Cobalt Strike payload that can be attributed to the threat actors behind the Black Basta ransomware.
Malicious WhatsApp mod distributed through legitimate apps
The malicious version of YoWhatsApp messenger, containing Triada trojan, was spreading through ads in the popular Snaptube app and the Vidmate app's internal store.
Assurément passionné, le débat sur l’indemnisation des rançons par les assurances cyber souffre d’absents majeurs : les victimes de cyberattaque avec ransomware ayant cédé au chantage. Mais qui sont-elles ?
In 2017, a team of New York Times journalists revealed that, beginning in 2010, Beijing’s counterintelligence apparatus had systematically rolled up the CIA’s sources in China.
Major Mexican Government Hack Reveals Military Abuse and Spying
Hackers infiltrated the Mexican Defense Ministry, publishing millions of emails that detail the military’s growing influence over the civilian government.
Hackers release data after LAUSD refuses to pay ransom
Hackers released data from Los Angeles Unified School District on Saturday, a day after Supt. Alberto Carvalho said he would not negotiate with or pay a ransom to the criminal syndicate.
The Majority of PostgreSQL Servers on the Internet are Insecure
At most 15% of the approximately 820,000 PostgreSQL servers listening on the Internet require encryption. In fact, only 36% even support encryption. This puts PostgreSQL servers well behind the rest of the Internet in terms of security. In comparison, according to Google, over 96% of page loads in Chrome on a Mac are encrypted. The top 100 websites support encryption, and 97 of those default to encryption.
Fake CISO Profiles on LinkedIn Target Fortune 500s
Someone has recently created a large number of fake LinkedIn profiles for Chief Information Security Officer (CISO) roles at some of the world’s largest corporations. It’s not clear who’s behind this network of fake CISOs or what their intentions may…
Read how macOS vulnerability in Archive Utility could lead to the execution of an unsigned and unnotarized application without displaying security prompts.
On September 25, 2022, CVE-2022-41352 was filed for Zimbra Collaboration Suite. The vulnerability is a remote code execution flaw that arises from unsafe usage…
MSSQL, meet Maggie. A novel backdoor for Microsoft SQL…
Continuing our monitoring of signed binaries, DCSO CyTec recently found a novel backdoor malware targeting Microsoft SQL servers. The malware comes in form of an “Extended Stored Procedure” DLL, a…
CISA analyzed 15 files associated with China Chopper malware. The files are modified Offline Address Book (OAB) Virtual Directory (VD) configuration files for Microsoft Exchange servers. The files have been modified with a variant of the China Chopper webshell. The webshells allow an attacker to remotely access the server and execute arbitrary code on the system(s).referenced in this bulletin or otherwise.
CISA analyzed 4 files associated with HyperBro malware. The files creates a backdoor program that is capable of uploading and downloading files to and from the system. The RAT is also capable of logging keystrokes and executing commands on the system.
We recently discovered a vulnerability in Composer, the main package manager for PHP, and were able to use it to take over the central repository, packagist.org.
Bumblebee: increasing its capacity and evolving its TTPs
The spring of 2022 saw a spike in activity of Bumblebee loader, a recent threat that has garnered a lot of attention due to its many links to several well-known malware families.
Kaspersky researchers detected OnionPoison campaign: malicious Tor Browser installer spreading through a popular YouTube channel and targeting Chinese users.
Earlier this year, we started hunting for possible new DeftTorero (aka Lebanese Cedar, Volatile Cedar) artifacts. This threat actor is believed to originate from the Middle East and was publicly disclosed to the cybersecurity community as early as 2015. Notably, no other intelligence was shared until 2021, which led us to speculate on a possible shift by the threat actor to more fileless/LOLBINS techniques, and the use of known/common offensive tools publicly available on the internet that allows them to blend in.
Bad VIB(E)s Part One: Investigating Novel Malware Persistence Within ESXi Hypervisors | Mandiant
Earlier this year, Mandiant identified a novel malware ecosystem impacting VMware ESXi, Linux vCenter servers, and Windows virtual machines that enables a threat actor to take the following actions: 1) Maintain persistent administrative access to the hypervisor 2) Send commands to the hypervisor that will be routed to the guest VM for execution 3) Transfer files between the ESXi hypervisor and guest machines running beneath it 4) Tamper with logging services on the hypervisor
Lazarus hackers abuse Dell driver bug using new FudModule rootkit
The notorious North Korean hacking group 'Lazarus' was seen installing a Windows rootkit that abuses a Dell hardware driver in a Bring Your Own Vulnerable Driver attack.