kevmap

TechniquesT1574.014 › AN1433

AN1433 Analytic 1433

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

<p>Detection focuses on unauthorized manipulation of .NET AppDomainManager behavior. Defenders may observe suspicious creation of new AppDomains within trusted processes, anomalous loading of assemblies via non-standard configuration files, or registry/environment variable changes redirecting AppDomainManager to malicious assemblies. Correlated events include config file tampering, new process creation of .NET host processes (e.g., w3wp.exe, powershell.exe) with modified runtime parameters, and module loads of unusual or unsigned .NET DLLs.</p>
Detects
T1574.014 AppDomainManager
Part of
DET0517 Detection Strategy for Hijack Execution Flow through the AppDomainManager on Windows.

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
WinEventLog:SecurityEventCode=4688DC0032 Process Creation
WinEventLog:SysmonEventCode=11DC0039 File Creation
WinEventLog:SysmonEventCode=7DC0016 Module Load

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
TargetProcessesList of monitored .NET host processes (e.g., powershell.exe, w3wp.exe, svchost.exe).
AssemblyWhitelistKnown benign .NET assemblies expected to load via AppDomainManager.
ConfigFilePathsDirectory paths where configuration tampering should be monitored (application directories, system32, program files).
TimeWindowCorrelation period between file modification of config/environment settings and subsequent anomalous module load.