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srv-rr-gh-researchbt
2022-11-11 12:29:49 -08:00
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10 changed files with 21 additions and 21 deletions
@@ -1,21 +1,21 @@
name: AWS Detect Users with KMS keys performing encryption S3
id: 884a5f59-eec7-4f4a-948b-dbde18225fdc
version: 1
date: '2021-01-11'
version: 2
date: '2022-11-11'
author: Rod Soto, Patrick Bareiss Splunk
type: Anomaly
datamodel: []
description: This search provides detection of users with KMS keys performing encryption
specifically against S3 buckets.
search: '`cloudtrail` eventName=CopyObject requestParameters.x-amz-server-side-encryption="aws:kms"
| rename requestParameters.bucketName AS bucket_name, requestParameters.x-amz-copy-source
| rename requestParameters.bucketName AS bucketName, requestParameters.x-amz-copy-source
AS src_file, requestParameters.key AS dest_file | stats count min(_time) as firstTime
max(_time) as lastTime values(src_file) AS src_file values(dest_file) AS dest_file
max(_time) as lastTime values(bucketName) as bucketName values(src_file) AS src_file values(dest_file) AS dest_file
values(userAgent) AS userAgent values(region) AS region values(src) AS src by user
| `security_content_ctime(firstTime)`| `security_content_ctime(lastTime)` |`aws_detect_users_with_kms_keys_performing_encryption_s3_filter`'
how_to_implement: You must install splunk AWS add on and Splunk App for AWS. This
how_to_implement: You must install Splunk AWS add on and Splunk App for AWS. This
search works with AWS CloudTrail logs
known_false_positives: bucket with S3 encryption
known_false_positives: There maybe buckets provisioned with S3 encryption
references:
- https://rhinosecuritylabs.com/aws/s3-ransomware-part-1-attack-vector/
- https://github.com/d1vious/git-wild-hunt
@@ -1,4 +1,4 @@
name: AWS ECR Container Scanning Findings Low Informational Unknwon Unit Test
name: AWS ECR Container Scanning Findings Low Informational Unknown Unit Test
tests:
- name: AWS ECR Container Scanning Findings Low Informational Unknown
file: cloud/aws_ecr_container_scanning_findings_low_informational_unknown.yml
@@ -1,4 +1,4 @@
name: Creation of lsass dump with taskmgr Unit Test
name: Creation of lsass Dump with Taskmgr Unit Test
tests:
- name: Creation of lsass Dump with Taskmgr
file: endpoint/creation_of_lsass_dump_with_taskmgr.yml
@@ -1,6 +1,6 @@
name: Linux Ingress Tool Transfer With Curl Unit Test
name: Linux Ingress Tool Transfer with Curl Unit Test
tests:
- name: Linux Ingress Tool Transfer With Curl
- name: Linux Ingress Tool Transfer with Curl
file: endpoint/linux_ingress_tool_transfer_with_curl.yml
pass_condition: '| stats count | where count > 0'
earliest_time: -24h
@@ -1,4 +1,4 @@
name: Suspicious Linux Discovery Commands
name: Suspicious Linux Discovery Commands Unit Test
tests:
- name: Suspicious Linux Discovery Commands
file: endpoint/suspicious_linux_discovery_commands.yml
@@ -1,6 +1,6 @@
name: Windows Disabled Users Failing To Authenticate Using Kerberos Unit Test
name: Windows Disabled Users Failing To Authenticate Kerberos Unit Test
tests:
- name: Windows Disabled Users Failing To Authenticate Using Kerberos
- name: Windows Disabled Users Failing To Authenticate Kerberos
file: endpoint/windows_disabled_users_failing_to_authenticate_kerberos.yml
pass_condition: '| stats count | where count > 0'
earliest_time: -24h
@@ -1,6 +1,6 @@
name: Windows Diskshadow proxy execution Unit Test
name: Windows Diskshadow Proxy Execution Unit Test
tests:
- name: Windows Diskshadow proxy execution
- name: Windows Diskshadow Proxy Execution
file: endpoint/windows_diskshadow_proxy_execution.yml
pass_condition: '| stats count | where count > 0'
earliest_time: '-24h'
@@ -1,6 +1,6 @@
name: Windows Indirect Command Execution via forfiles Unit Test
name: Windows Indirect Command Execution Via forfiles Unit Test
tests:
- name: Windows Indirect Command Excecution via forfiles
- name: Windows Indirect Command Execution Via forfiles
file: endpoint/windows_indirect_command_execution_via_forfiles.yml
pass_condition: '| stats count | where count > 0'
earliest_time: '-24h'
@@ -1,6 +1,6 @@
name: Windows Multi-hop Proxy TOR Website Query Unit Test
name: Windows Multi hop Proxy TOR Website Query Unit Test
tests:
- name: Windows Multi-hop Proxy TOR Website Query
- name: Windows Multi hop Proxy TOR Website Query
file: endpoint/windows_multi_hop_proxy_tor_website_query.yml
pass_condition: '| stats count | where count > 0'
earliest_time: -24h
@@ -1,6 +1,6 @@
name: Windows Service Created With Suspicious Service Path Unit Test
name: Windows Service Created with Suspicious Service Path Unit Test
tests:
- name: Windows Service Created With Suspicious Service Path
- name: Windows Service Created with Suspicious Service Path
file: endpoint/windows_service_created_with_suspicious_service_path.yml
pass_condition: '| stats count | where count > 0'
earliest_time: -24h