kevmap

TechniquesT1104 › AN0638

AN0638 Analytic 0638

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

<p>Shell script or binary initiates curl/wget request to staging domain, writes output to disk or memory, and shortly afterward launches another process that establishes new outbound connection to a different IP or hostname.</p>
Detects
T1104 Multi-Stage Channels
Part of
DET0228 Detect Multi-Stage Command and Control Channels

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
auditd:SYSCALLexecve, connectDC0032 Process Creation
iptables:LOGOUTBOUNDDC0078 Network Traffic Flow

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
BinaryPathTune for suspicious binaries like curl, wget, python, netcat
IPDistanceDetect multiple different external IPs contacted within short timeframe