Adversaries may leverage chat and messaging applications, such as Microsoft Teams, Google Chat, and Slack, to mine valuable information.

The following is a brief list of example information that may hold potential value to an adversary and may also be found on messaging applications:

• Testing / development credentials (i.e., Chat Messages)
• Source code snippets
• Links to network shares and other internal resources
• Proprietary data^[1]
• Discussions about ongoing incident response efforts^[2],[3]

In addition to exfiltrating data from messaging applications, adversaries may leverage data from chat messages in order to improve their targeting - for example, by learning more about an environment or evading ongoing incident response efforts.^[4],[5]

References

1. Keza MacDonald, Keith Stuart and Alex Hern. (2022, September 19). Grand Theft Auto 6 leak: who hacked Rockstar and what was stolen?. Retrieved August 30, 2024.
2. Joe Uchill. (2021, December 3). Ragnar Locker reminds breach victims it can read the on-network incident response chat rooms. Retrieved August 30, 2024.
3. Microsoft. (2022, March 22). DEV-0537 criminal actor targeting organizations for data exfiltration and destruction. Retrieved March 23, 2022.
4. Jim Walter. (2024, July 16). NullBulge | Threat Actor Masquerades as Hacktivist Group Rebelling Against AI. Retrieved August 30, 2024.
5. Ian Ahl. (2023, September 20). LUCR-3: SCATTERED SPIDER GETTING SAAS-Y IN THE CLOUD. Retrieved September 25, 2023.

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