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Merge pull request #1784 from Security-Onion-Solutions/fix/strelka_exif_parsing

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Fix/strelka exif parsing
This commit is contained in:
weslambert
2020-11-02 14:32:45 -05:00
committed by GitHub
parent 2acb930a2e 3113d5fbdb
commit bb0cf9b8c7
2 changed files with 15 additions and 9 deletions
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15
salt/elasticsearch/files/ingest/strelka.file
View File

@@ -6,16 +6,16 @@
{ "rename": { "field": "message2.scan", "target_field": "scan", "ignore_missing": true } },
{ "rename": { "field": "message2.request", "target_field": "request", "ignore_missing": true } },
{ "rename": { "field": "scan.hash", "target_field": "hash", "ignore_missing": true } },
{ "rename": { "field": "scan.exiftool", "target_field": "exiftool", "ignore_missing": true } },
{ "grok": { "if": "ctx.request?.attributes?.filename != null", "field": "request.attributes.filename", "patterns": ["-%{WORD:log.id.fuid}-"], "ignore_failure": true } },
{ "foreach":
{
"if": "ctx.scan?.exiftool?.keys !=null",
"field": "scan.exiftool.keys",
"if": "ctx.exiftool?.keys !=null",
"field": "exiftool.keys",
"processor":{
"set": {
"field": "scan.exiftool.{{_ingest._value.key}}",
"value": "{{_ingest._value.value}}"
"append": {
"field": "scan.exiftool",
"value": "{{_ingest._value.key}}={{_ingest._value.value}}"
}
}
}
@@ -42,7 +42,8 @@
{ "set": { "if": "ctx.rule?.score != null && ctx.rule?.score >= 70 && ctx.rule?.score <=89", "field": "event.severity", "value": 3, "override": true } },
{ "set": { "if": "ctx.rule?.score != null && ctx.rule?.score >= 90", "field": "event.severity", "value": 4, "override": true } },
{ "set": { "field": "observer.name", "value": "{{agent.name}}" }},
{ "remove": { "field": ["host", "path", "message", "scan.exiftool.keys", "scan.yara.meta"], "ignore_missing": true } },
{ "convert" : { "field" : "scan.exiftool","type": "string", "ignore_missing":true }},
{ "remove": { "field": ["host", "path", "message", "exiftool", "scan.yara.meta"], "ignore_missing": true } },
{ "pipeline": { "name": "common" } }
]
}

9
salt/elasticsearch/templates/so/so-common-template.json
View File

@@ -379,9 +379,14 @@
}
}
},
"scan":{
"scan":{
"type":"object",
"dynamic": true
"dynamic": true,
"properties":{
"exiftool":{
"type":"text"
}
}
},
"server":{
"type":"object",