Aug 27, 2024Ravie LakshmananCyber Espionage / Malware Users of Chinese instant messaging apps like DingTalk and WeChat are the target of an Apple macOS version of a backdoor named HZ RAT. The artifacts "almost exactly replicate the functionality of the Windows version of the backdoor and differ only in the payload, which is received in the form of shell scripts from the … [Read more...] about macOS Version of HZ RAT Backdoor Targets Chinese Messaging App Users
Messaging
Malicious Ads on Google Target Chinese Users with Fake Messaging Apps
Jan 26, 2024NewsroomMalvertising / Phishing-as-a-service Chinese-speaking users have been targeted by malicious Google ads for restricted messaging apps like Telegram as part of an ongoing malvertising campaign. "The threat actor is abusing Google advertiser accounts to create malicious ads and pointing them to pages where unsuspecting users will download Remote … [Read more...] about Malicious Ads on Google Target Chinese Users with Fake Messaging Apps
Researchers Uncover Wiretapping of XMPP-Based Instant Messaging Service
Oct 28, 2023NewsroomPrivacy / Data Security New findings have shed light on what's said to be a lawful attempt to covertly intercept traffic originating from jabber[.]ru (aka xmpp[.]ru), an XMPP-based instant messaging service, via servers hosted on Hetzner and Linode (a subsidiary of Akamai) in Germany. "The attacker has issued several new TLS certificates using Let's … [Read more...] about Researchers Uncover Wiretapping of XMPP-Based Instant Messaging Service
DoNot’s Firestarter abuses Google Firebase Cloud Messaging to spread
Cisco Blogs / Security / Threat Research / DoNot’s Firestarter abuses Google Firebase Cloud Messaging to spread The newly discovered Firestarter malware uses Google Firebase Cloud Messaging to notify its authors of the final payload location. Even if the command and control (C2) is taken down, the DoNot team can still redirect the malware to another C2 using Google … [Read more...] about DoNot’s Firestarter abuses Google Firebase Cloud Messaging to spread
Verizon, AT&T, Sprint and T-Mobile to replace SMS with RCS Messaging in 2020
Mobile carriers in the United States will finally offer a universal cross-carrier communication standard for the next-generation RCS messaging service that is meant to replace SMS and has the potential to change the way consumers interact with brands for years to come.All major United States mobile phone carriers, including AT&T, Verizon, T-Mobile, and Sprint, have joined … [Read more...] about Verizon, AT&T, Sprint and T-Mobile to replace SMS with RCS Messaging in 2020
Hacker Breaks Into French Government’s New Secure Messaging App
A white-hat hacker found a way to get into the French government's newly launched, secure encrypted messaging app that otherwise can only be accessed by officials and politicians with email accounts associated with the government identities.Dubbed "Tchap," the end-to-end encrypted, open source messaging app has been created by the French government with an aim to keep their … [Read more...] about Hacker Breaks Into French Government’s New Secure Messaging App