- New PowerExchange malware backdoors Microsoft Exchange servers
May 24, 2023
A new PowerShell-based malware dubbed PowerExchange was used in attacks linked to APT34 Iranian state hackers to backdoor on-premise Microsoft Exchange servers. After infiltrating the mail server via a phishing email containing an archived malicious executable, the threat actors deployed a web shell named ExchangeLeech (first observed by the Digital14 Incident Response team in 2020) that ...
- Don’t @ Me: URL Obfuscation Through Schema Abuse
May 22, 2023
A technique is being used in the distribution of multiple families of malware that obfuscates the end destination of a URL by abusing the URL schema. Mandiant tracks this adversary methodology as “URL Schema Obfuscation”. The technique could increase the likelihood of a successful phishing attack, and could cause domain extraction errors in logging or security ...
- Lancefly: Group Uses Custom Backdoor to Target Orgs in Government, Aviation, Other Sectors
May 15, 2023
The Lancefly advanced persistent threat (APT) group is using a custom-written backdoor in attacks targeting organizations in South and Southeast Asia, in activity that has been ongoing for several years. Lancefly may have some links to previously known groups, but these are low confidence, which led researchers at Symantec, by Broadcom Software, to classify this activity ...
- CISA and Partners Disclose Snake Malware Threat From Russian Cyber Actors
May 9, 2023
Today, CISA and partners released a joint advisory for a sophisticated cyber espionage tool used by Russian cyber actors. Hunting Russian Intelligence “Snake” Malware provides technical descriptions of the malware’s host architecture and network communications, and mitigations to help detect and defend against this threat. CISA urges organizations to review the advisory for more information and ...
- Not quite an Easter egg: a new family of Trojan subscribers on Google Play
May 4, 2023
Every once in a while, someone will come across malicious apps on Google Play that seem harmless at first. Some of the trickiest of these are subscription Trojans, which often go unnoticed until the user finds they have been charged for services they never intended to buy. This kind of malware often finds its way ...
- New LOBSHOT malware gives hackers hidden VNC access to Windows devices
May 1, 2023
A new malware known as ‘LOBSHOT’ distributed using Google ads allows threat actors to stealthily take over infected Windows devices using hVNC. Earlier this year, BleepingComputer and numerous cybersecurity researchers reported a dramatic increase in threat actors utilizing Google ads to distribute malware in search results. Read more… Source: Bleeping Computer
- Android Minecraft clones with 35M downloads infect users with adware
April 27, 2023
A set of 38 Minecraft copycat games on Google Play infected devices with the Android adware ‘HiddenAds’ to stealthily load ads in the background to generate revenue for its operators. Minecraft is a popular sandbox game with 140 million monthly active players, which numerous game publishers have attempted to recreate. Read more… Source: Bleeping Computer
- Tomiris called, they want their Turla malware back
April 24, 2023
Kaspersky introduced Tomiris to the world in September 2021, following their investigation of a DNS-hijack against a government organization in the Commonwealth of Independent States (CIS). Kaspersky researchers initial report described links between a Tomiris Golang implant and SUNSHUTTLE (which has been associated to NOBELIUM/APT29/TheDukes) as well as Kazuar (which has been associated to Turla); ...
- CISA Releases Malware Analysis Report on ICONICSTEALER
April 20, 2023
CISA has released a new Malware Analysis Report (MAR) on an infostealer known as ICONICSTEALER. This trojan has been identified as a variant of malware used in the supply chain attack against 3CX’s Desktop App. CISA recommends users and administrators to review the following resources for more information, and hunt for the listed indicators of compromise ...
- Play ransomware gang uses custom Shadow Volume Copy data-theft tool
April 19, 2023
The Play ransomware group has developed two custom tools in .NET, namely Grixba and VSS Copying Tool, which it uses to improve the effectiveness of its cyberattacks. The two tools enable attackers to enumerate users and computers in compromised networks, gather information about security, backup, and remote administration software, and easily copy files from Volume Shadow ...