Browsing Tag
Bitter
2 posts
BITTER APT Uses Signal, Google, and Zoom Lures to Spread ProSpy Spyware
BITTER APT spreads ProSpy and ToSpy via Signal, Google, and Zoom lures, targeting journalists through LinkedIn and iMessage spearphishing.
April 13, 2026
Bitter APT Exploiting Old WinRAR Vulnerability in New Backdoor Attacks
South Asian hacking group Bitter (APT-Q-37) is deploying a C# backdoor using two new methods: a WinRAR flaw and malicious Office XLAM files, targeting government and military sectors.
October 22, 2025