๐๐น๐ผ๐๐ฒ๐ฟ๐ฆ๐๐ผ๐ฟ๐บ-๐๐๐๐น๐ฒ ๐๐ถ๐๐ ๐๐ฎ๐บ๐ฝ๐ฎ๐ถ๐ด๐ป ๐ง๐ฎ๐ฟ๐ด๐ฒ๐๐ถ๐ป๐ด ๐๐๐ฟ๐ผ๐ฝ๐ฒ๐ฎ๐ป ๐ข๐ฟ๐ด๐
This is a classic Adversary-in-the-Middle (AiTM) pattern. By proxying the authentication process in real-time, the FlowerStorm-like actors are bypassing standard MFA by intercepting the session token. The query is a triple-threat hunting as it looks for the delivery (the domain), the access (the ASNs), and the persistence/evasion (the "LinkedIn" rule) all at once.
Microsoft Sentinel (KQL)
