kevmap

TechniquesT1684 › AN2037

AN2037 Analytic 2037

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

<p>Detects users executing commands copied from chats, tickets, or emails, including curl|bash patterns, shell script launches from temp directories, credential changes, or SSH key additions shortly after communication events.</p>
Detects
T1684 Social Engineering
Part of
DET0899 Detect Social Engineering

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
NSM:ConnectionsOutbound connection after script or installer launchDC0082 Network Connection Creation
auditd:EXECVEexecve of curl,wget,bash,sh,python with piped or remote contentDC0064 Command Execution
auditd:PATHodification of ~/.ssh/authorized_keys or credential filesDC0061 File Modification

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
RemoteScriptExecutionPatternsOrganization-specific admin automation patterns to exclude
TicketToExecutionWindowTime from help desk/chat event to command execution