kevmap

TechniquesT1048.003 › AN0427

AN0427 Analytic 0427

Network Devices · attack.mitre.org · ATT&CK Enterprise v19.2

<p>Detects use of unencrypted protocols (e.g., TFTP, FTP, HTTP) to transfer configuration files, routing tables, or logs to untrusted IP addresses, especially using administrative commands like copy run ftp:.</p>
Detects
T1048.003 Exfiltration Over Unencrypted Non-C2 Protocol
Part of
DET0149 Detection of Exfiltration Over Unencrypted Non-C2 Protocol

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
networkdevice:cliCLI command logsDC0064 Command Execution
networkdevice:syslogflow recordsDC0078 Network Traffic Flow
NSM:FlowPCAP inspectionDC0085 Network Traffic Content

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
ProtocolCommandWatchlistFlag commands like `copy`, `archive tar`, or `upload` directed at external hosts.
DestinationIPBlocklistDefine external IP ranges unauthorized to receive router/switch configs.

KEV CVEs whose mapped technique this analytic detects

CVEVendor / productState
CVE-2021-34473Microsoft Exchange ServerMapped