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T1213.005 Messaging Applications

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(Citation: Guardian Grand Theft Auto Leak 2022)
  • Discussions about ongoing incident response efforts(Citation: SC Magazine Ragnar Locker 2021)(Citation: Microsoft DEV-0537)

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.(Citation: Sentinel Labs NullBulge 2024)(Citation: Permiso Scattered Spider 2023)

View in MITRE ATT&CK®

VERIS Mappings

Capability ID Capability Description Mapping Type ATT&CK ID ATT&CK Name Notes
action.malware.variety.Export data Export data to another site or system related-to T1213.005 Messaging Applications
attribute.confidentiality.data_disclosure Confirmed or potential data disclosure related-to T1213.005 Messaging Applications