Ransomwarehigh
Former Black Basta Members Use Microsoft Teams and Python Scripts in 2025 Attacks
Vulnerabilities mentioned
All| CVE | Vulnerability | CVSS | EPSS | Signals | Published |
|---|---|---|---|---|---|
| CVE-2024-21762 | Out-of-Bounds Write RCE in Fortinet FortiOS and FortiProxy | 9.8 | 85% | KEVRansomware | KEV |
| CVE-2024-55591 | Unauthenticated Super-Admin Bypass in Fortinet FortiOS and FortiProxy | 9.8 | 94% | KEVRansomware | KEV |
| CVE-2024-57727 | Unauthenticated Path Traversal File Download in SimpleHelp 5.5.7 and Earlier | 7.5 | 97% | KEVRansomware | KEV |
Indicators of compromise
auto-extracted · verify before use · export allAll| Type | Indicator | Context |
|---|---|---|
| domain | onmicrosoft.com | were observed between February and May 2025 originated from onmicrosoft[.]com domains, and that breached domains accounted for 42% of t |
From the original article
4 min read at thehackernews.com
Former members tied to the Black Basta ransomware operation have been observed sticking to their tried-and-tested approach of email bombing and Microsoft Teams phishing to establish persistent access to target networks.
By @TheHackersNews · thehackernews.com
A short excerpt; the article and its images belong to the publisher. Summary, key facts and assessment above are AI-written from the article and can be wrong.