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Merge pull request #7174 from APriestman/7848_flagPersonas

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7848 Temporary code to flag matching personas
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Ann Priestman 2021-07-30 13:08:21 -04:00 committed by GitHub
commit 4bf9e6ab79
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1 changed files with 85 additions and 0 deletions
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Core/src/org/sleuthkit/autopsy/centralrepository/eventlisteners/IngestEventsListener.java
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@ -42,6 +42,7 @@ import org.sleuthkit.autopsy.centralrepository.datamodel.CorrelationAttributeIns
import org.sleuthkit.autopsy.centralrepository.datamodel.CorrelationAttributeNormalizationException;
import org.sleuthkit.autopsy.centralrepository.datamodel.CorrelationAttributeUtil;
import org.sleuthkit.autopsy.centralrepository.datamodel.CentralRepoException;
import org.sleuthkit.autopsy.centralrepository.datamodel.PersonaAccount;
import org.sleuthkit.autopsy.coreutils.Logger;
import org.sleuthkit.autopsy.ingest.IngestManager;
import org.sleuthkit.autopsy.ingest.ModuleDataEvent;
@ -56,12 +57,15 @@ import static org.sleuthkit.datamodel.BlackboardAttribute.ATTRIBUTE_TYPE.TSK_SET
import static org.sleuthkit.datamodel.BlackboardAttribute.ATTRIBUTE_TYPE.TSK_CORRELATION_TYPE;
import static org.sleuthkit.datamodel.BlackboardAttribute.ATTRIBUTE_TYPE.TSK_CORRELATION_VALUE;
import static org.sleuthkit.datamodel.BlackboardAttribute.ATTRIBUTE_TYPE.TSK_OTHER_CASES;
import static org.sleuthkit.datamodel.BlackboardAttribute.ATTRIBUTE_TYPE.TSK_NAME;
import static org.sleuthkit.datamodel.BlackboardAttribute.ATTRIBUTE_TYPE.TSK_COMMENT;
import org.sleuthkit.autopsy.ingest.events.DataSourceAnalysisEvent;
import org.sleuthkit.datamodel.Content;
import org.sleuthkit.datamodel.Image;
import org.sleuthkit.datamodel.SleuthkitCase;
import org.sleuthkit.datamodel.TskCoreException;
import org.sleuthkit.autopsy.centralrepository.datamodel.CentralRepository;
import org.sleuthkit.autopsy.centralrepository.datamodel.Persona;
import org.sleuthkit.datamodel.Score;
/**
@ -313,7 +317,72 @@ public class IngestEventsListener {
makeAndPostArtifact(BlackboardArtifact.Type.TSK_PREVIOUSLY_UNSEEN, originalArtifact, attributesForNewArtifact, "",
Score.SCORE_LIKELY_NOTABLE, "This application has not been previously seen before");
}
/**
* *TEMPORARY* Create a "matching persona" hit for an artifact with an account identifier
* associated with a persona
*
* @param originalArtifact the artifact to create the "previously unseen" item
* for
*/
static private void makeAndPostMatchingPersonaArtifact(BlackboardArtifact originalArtifact, Persona persona, CorrelationAttributeInstance.Type aType, String value) {
Collection<BlackboardAttribute> attributesForNewArtifact = Arrays.asList(
new BlackboardAttribute(
TSK_NAME, MODULE_NAME,
persona.getName()),
new BlackboardAttribute(
TSK_COMMENT, MODULE_NAME,
persona.getComment()),
new BlackboardAttribute(
TSK_CORRELATION_TYPE, MODULE_NAME,
aType.getDisplayName()),
new BlackboardAttribute(
TSK_CORRELATION_VALUE, MODULE_NAME,
value)
);
makeAndPostPersonaArtifact(BlackboardArtifact.Type.TSK_MATCHING_PERSONA, originalArtifact, attributesForNewArtifact, "",
Score.SCORE_LIKELY_NOTABLE, "This account is associated with a persona");
}
/**
* *TEMPORARY* Hack to get all the flagged personas associated with the same file to prevent
* duplicates (associate with source file not the account instance artifact).
* Make an artifact to flag the passed in content.
*
* @param originalArtifact Artifact in current case we want to flag
* @param attributesForNewArtifact Attributes to assign to the new artifact
* @param configuration The configuration to be specified for the new artifact hit
* @param score sleuthkit.datamodel.Score to be assigned to this artifact
* @param justification Justification string
*/
private static void makeAndPostPersonaArtifact(BlackboardArtifact.Type newArtifactType, BlackboardArtifact originalArtifact, Collection<BlackboardAttribute> attributesForNewArtifact, String configuration,
Score score, String justification) {
try {
SleuthkitCase tskCase = originalArtifact.getSleuthkitCase();
Content originalContent = originalArtifact.getParent(); // Associate artifact with file instead of artifact
Blackboard blackboard = tskCase.getBlackboard();
// Create artifact if it doesn't already exist.
BlackboardArtifact.ARTIFACT_TYPE type = BlackboardArtifact.ARTIFACT_TYPE.fromID(newArtifactType.getTypeID());
if (!blackboard.artifactExists(originalContent, type, attributesForNewArtifact)) {
BlackboardArtifact newArtifact = originalContent.newAnalysisResult(
newArtifactType, score,
null, configuration, justification, attributesForNewArtifact)
.getAnalysisResult();
try {
// index the artifact for keyword search
blackboard.postArtifact(newArtifact, MODULE_NAME);
} catch (Blackboard.BlackboardException ex) {
LOGGER.log(Level.SEVERE, "Unable to index blackboard artifact " + newArtifact.getArtifactID(), ex); //NON-NLS
}
}
} catch (TskCoreException ex) {
LOGGER.log(Level.SEVERE, "Failed to create BlackboardArtifact.", ex); // NON-NLS
} catch (IllegalStateException ex) {
LOGGER.log(Level.SEVERE, "Failed to create BlackboardAttribute.", ex); // NON-NLS
}
}
/**
* Make an artifact to flag the passed in artifact.
*
@ -588,6 +657,22 @@ public class IngestEventsListener {
}
}
// *TEMPORARY* If we have a field that could be associated with a persona, check whether it is
// and make an artifact if so. Applicable types should be expanded later.
if (flagPreviousItemsEnabled &&
((eamArtifact.getCorrelationType().getId() == CorrelationAttributeInstance.EMAIL_TYPE_ID)
|| eamArtifact.getCorrelationType().getId() == CorrelationAttributeInstance.PHONE_TYPE_ID)) {
String accountId = eamArtifact.getCorrelationValue();
Collection<Persona> personaMatches = Persona.getPersonaByAccountIdentifierLike(accountId);
for (Persona persona : personaMatches) {
for (PersonaAccount personaAccount : persona.getPersonaAccounts()) {
if (accountId.equalsIgnoreCase(personaAccount.getAccount().getIdentifier())) {
makeAndPostMatchingPersonaArtifact(bbArtifact, persona, eamArtifact.getCorrelationType(), eamArtifact.getCorrelationValue());
}
}
}
}
// flag previously unseen apps and domains
if (flagUniqueItemsEnabled
&& (eamArtifact.getCorrelationType().getId() == CorrelationAttributeInstance.INSTALLED_PROGS_TYPE_ID