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HollowGraph Malware Uses Microsoft Graph for Stealthy C2
HollowGraph malware leverages Microsoft Graph API calendar features for covert command-and-control and data exfiltration from Microsoft 365 environments.
HollowGraph Malware Leverages Microsoft 365 Calendar for Stealthy C2
HollowGraph, a new espionage malware, hides C2 commands and exfiltrates data via legitimate Microsoft 365 calendar events, mimicking normal Graph API traffic.
MODBEACON RAT: Silver Fox Uses gRPC for Stealthy C2
A new Rust-based MODBEACON RAT, linked to the Silver Fox cybercrime group, employs gRPC streaming for encrypted C2, propagated via SEO poisoning.
Google Disrupts NetNut Malicious Residential Proxy Network
Google, in coordination with the FBI and Lumen, has significantly disrupted the NetNut residential proxy network, impacting millions of compromised devices.
Mustang Panda Exploits Zoho WorkDrive for C2 in Indian Govt Attacks
Mustang Panda, a China-aligned APT, targets Indian government and hydropower entities, leveraging Zoho WorkDrive as a C2 channel and deploying new malware.
GopherWhisper APT Abuses Outlook and Slack for Stealthy C2
Newly discovered GopherWhisper APT group uses a Go-based toolkit and legitimate SaaS platforms like Slack and Outlook to conduct espionage against governments.
SystemBC C2 Analysis: 1,570 Victims of The Gentlemen Ransomware
Analysis of a SystemBC C2 server linked to The Gentlemen ransomware reveals over 1,570 victims and the use of SOCKS5 tunnels for persistent access.
Emoji-Based C2: Threat Actors Adopt Covert Communication Tactics
Threat actors are increasingly using emojis for covert Command and Control communications to evade security filters. Learn how to detect these obfuscated TTPs.
SnappyClient C2 Implant Targets Crypto Wallets for Data Theft
A new C2 implant, SnappyClient, is actively targeting crypto wallets, facilitating remote access, extensive data theft, and persistent spying on victims.
Tag Poisoning Compromises Xygeni GitHub Action, C2 Implant Active
Attackers compromised the `xygeni/xygeni-action` GitHub Action using tag poisoning, deploying a C2 implant for up to a week. Users must verify integrity and review logs.
North Korean Malicious npm Packages: Detecting Contagious Interview
North Korean actors published 26 malicious npm packages using Pastebin as a C2 dead drop resolver in a new Contagious Interview campaign iteration.
GRIDTIDE Espionage: PRC-Nexus UNC2814 Targets Telecoms Globally
Google disrupts GRIDTIDE, a novel backdoor used by PRC-nexus UNC2814 for global cyber espionage against telecommunications and government entities.