kevmap

TechniquesT1213.005 › AN1565

AN1565 Analytic 1565

SaaS · attack.mitre.org · ATT&CK Enterprise v19.2

<p>Atypical access to Slack or Teams conversations via APIs, automation tokens, or bulk message export functionality, particularly after an account takeover or rare sign-in pattern. Often includes mass retrieval of chat history, download of message content, or scraping of workspace/channel metadata.</p>
Detects
T1213.005 Messaging Applications
Part of
DET0567 Detecting Unauthorized Collection from Messaging Applications in SaaS and Office Environments

Log sources and channels

Exactly as MITRE states them in x_mitre_log_source_references. Where a channel is vague, it is vague in the source; kevmap does not tidy it.

Log sourceChannelData component
saas:slackconversations.history, files.list, users.info, audit_logsDC0038 Application Log Content
m365:signinlogsUserLoggedInDC0067 Logon Session Creation

Mutable elements

Parameters MITRE marks as environment-specific. These are the knobs you are expected to tune; they are why an analytic is not a rule.

FieldDescription
TimeWindowTime interval to observe post-login message scraping behavior
MessageExportThresholdNumber of messages or files accessed/downloaded to flag for review
UserContextUser privilege level, team membership, or role context to suppress false positives
AccessMethodDirect user access vs API token, OAuth app, or bot interaction