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Post #32542 58
#ParsedReport #CompletenessLow
17-09-2026

TrustSink: How a Rogue External MFA Provider Steals Passwords

https://www.varonis.com/blog/trustsink

Report completeness: Low

Threats:
Trustsink_technique
Ngrok_tool

Victims:
Microsoft entra users, Cloud applications

TTPs:
Tactics: 1
Technics: 0

ChatGPT TTPs:
do not use without manual check
T1036.005, T1056.003, T1059.006, T1078.004, T1484.002, T1556.006, T1583.006, T1606

IOCs:
Coin: 1
File: 1

Soft:
Microsoft Entra, FastAPI, Windows Hello, Twitter

Functions:
Graph

Languages:
powershell, python
Varonis TrustSink: How a Rogue External MFA Provider Steals Passwords Meet TrustSink, a technique that turns a rogue external MFA provider into a persistent credential trap. See how it works, why password resets may not remove the risk, and how defenders can detect rogue providers.
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