Techniques › T1560.003 › AN1214
AN1214 Analytic 1214
Linux · attack.mitre.org · ATT&CK Enterprise v19.2
<p>Detects custom archive routines by correlating script execution (Python, Perl, Bash) with creation of high-entropy files in temporary or user directories. Flags processes performing unusual bitwise operations or writing files without standard compression headers.</p>
- Detects
- T1560.003 Archive via Custom Method
- Part of
- DET0438 Detect Archiving via Custom Method (T1560.003)
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 source | Channel | Data component |
|---|---|---|
| auditd:SYSCALL | execve: Execution of interpreters creating archive-like outputs without calling tar/gzip | DC0064 Command Execution |
| auditd:FILE | create: Creation of files with anomalous headers and entropy levels in /tmp or user directories | DC0039 File Creation |
| linux:osquery | Detection of bitwise operations or custom encryption functions in memory traces | DC0020 Process 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.
| Field | Description |
|---|---|
ArchivePaths | Directories monitored for anomalous archive creation (e.g., /tmp, /home). |
EntropyThreshold | Entropy score to flag files lacking recognizable compression headers. |
ScriptAllowlist | Scripts/processes known to use custom compression methods. |