mirror of
https://github.com/splunk/security_content
synced 2026-06-08 17:32:49 +00:00
Branch was auto-updated.
This commit is contained in:
@@ -1,8 +1,8 @@
|
||||
name: MSHTML Module Load in Office Product
|
||||
id: 5f1c168e-118b-11ec-84ff-acde48001122
|
||||
version: 1
|
||||
date: '2021-09-09'
|
||||
author: Michael Haag, Splunk
|
||||
version: 2
|
||||
date: '2022-06-01'
|
||||
author: Michael Haag, Mauricio Velazco, Splunk
|
||||
type: TTP
|
||||
datamodel:
|
||||
- Endpoint
|
||||
@@ -14,7 +14,7 @@ description: The following detection identifies the module load of mshtml.dll in
|
||||
search: '`sysmon` EventID=7 process_name IN ("winword.exe","excel.exe","powerpnt.exe","mspub.exe","visio.exe","wordpad.exe","wordview.exe")
|
||||
ImageLoaded IN ("*\\mshtml.dll", "*\\Microsoft.mshtml.dll","*\\IE.Interop.MSHTML.dll","*\\MshtmlDac.dll","*\\MshtmlDed.dll","*\\MshtmlDer.dll")
|
||||
| stats count min(_time) as firstTime max(_time) as lastTime by Computer, process_name,
|
||||
ImageLoaded, OriginalFileName, process_id | rename Computer as dest | `security_content_ctime(firstTime)`
|
||||
ImageLoaded, OriginalFileName, ProcessGuid | rename Computer as dest | `security_content_ctime(firstTime)`
|
||||
| `security_content_ctime(lastTime)` | `mshtml_module_load_in_office_product_filter`'
|
||||
how_to_implement: To successfully implement this search, you need to be ingesting
|
||||
logs with the process names and image loads from your endpoints. If you are using
|
||||
|
||||
@@ -1,6 +1,6 @@
|
||||
name: Spoolsv Suspicious Loaded Modules
|
||||
id: a5e451f8-da81-11eb-b245-acde48001122
|
||||
version: 1
|
||||
version: 2
|
||||
date: '2021-07-01'
|
||||
author: Mauricio Velazco, Michael Haag, Teoderick Contreras, Splunk
|
||||
type: TTP
|
||||
@@ -12,7 +12,7 @@ description: This search is to detect suspicious loading of dll in specific path
|
||||
search: '`sysmon` EventCode=7 Image ="*\\spoolsv.exe" ImageLoaded="*\\Windows\\System32\\spool\\drivers\\x64\\*"
|
||||
ImageLoaded = "*.dll" | stats dc(ImageLoaded) as countImgloaded values(ImageLoaded)
|
||||
as ImgLoaded count min(_time) as firstTime max(_time) as lastTime by Image Computer
|
||||
process_id EventCode | where countImgloaded >= 3 | `security_content_ctime(firstTime)`
|
||||
ProcessId EventCode | where countImgloaded >= 3 | `security_content_ctime(firstTime)`
|
||||
| `security_content_ctime(lastTime)` | `spoolsv_suspicious_loaded_modules_filter`'
|
||||
how_to_implement: To successfully implement this search, you need to be ingesting
|
||||
logs with the process name and imageloaded executions from your endpoints. If you
|
||||
|
||||
@@ -1,8 +1,8 @@
|
||||
name: Suspicious Process With Discord DNS Query
|
||||
id: 4d4332ae-792c-11ec-89c1-acde48001122
|
||||
version: 1
|
||||
date: '2022-01-19'
|
||||
author: Teoderick Contreras, Splunk
|
||||
version: 2
|
||||
date: '2022-06-01'
|
||||
author: Teoderick Contreras, Mauricio Velazco, Splunk
|
||||
type: Anomaly
|
||||
datamodel:
|
||||
- Endpoint
|
||||
@@ -11,10 +11,10 @@ description: This analytic identifies a process making a DNS query to Discord, a
|
||||
by adversaries, as seen in the WhisperGate campaign, to host and download malicious.
|
||||
external files. A process resolving a Discord DNS name could be an indicator of
|
||||
malware trying to download files from Discord for further execution.
|
||||
search: '`sysmon` EventCode=22 QueryName IN ("*discord*") process_path != "*\\AppData\\Local\\Discord\\*"
|
||||
AND process_path != "*\\Program Files*" AND process_name != "discord.exe" | stats
|
||||
search: '`sysmon` EventCode=22 QueryName IN ("*discord*") Image != "*\\AppData\\Local\\Discord\\*"
|
||||
AND Image != "*\\Program Files*" AND Image != "discord.exe" | stats
|
||||
count min(_time) as firstTime max(_time) as lastTime by Image QueryName QueryStatus
|
||||
process_name QueryResults Computer process_path | `security_content_ctime(firstTime)`
|
||||
process_name QueryResults Computer | `security_content_ctime(firstTime)`
|
||||
| `security_content_ctime(lastTime)` | `suspicious_process_with_discord_dns_query_filter`'
|
||||
how_to_implement: his detection relies on sysmon logs with the Event ID 22, DNS Query.
|
||||
known_false_positives: Noise and false positive can be seen if the following instant
|
||||
@@ -68,7 +68,6 @@ tags:
|
||||
- process_name
|
||||
- QueryResults
|
||||
- Computer
|
||||
- process_path
|
||||
risk_score: 64
|
||||
security_domain: endpoint
|
||||
asset_type: Endpoint
|
||||
|
||||
@@ -1,8 +1,8 @@
|
||||
name: Wermgr Process Connecting To IP Check Web Services
|
||||
id: ed313326-a0f9-11eb-a89c-acde48001122
|
||||
version: 1
|
||||
date: '2021-04-19'
|
||||
author: Teoderick Contreras, Splunk
|
||||
version: 2
|
||||
date: '2022-06-01'
|
||||
author: Teoderick Contreras, Mauricio Velazco, Splunk
|
||||
type: TTP
|
||||
datamodel:
|
||||
- Endpoint
|
||||
@@ -17,8 +17,8 @@ search: '`sysmon` EventCode =22 process_name = wermgr.exe QueryName IN ("*wtfism
|
||||
"*checkip.amazonaws.com", "*ipecho.net", "*ipinfo.io", "*api.ipify.org", "*icanhazip.com",
|
||||
"*ip.anysrc.com","*api.ip.sb", "ident.me", "www.myexternalip.com", "*zen.spamhaus.org",
|
||||
"*cbl.abuseat.org", "*b.barracudacentral.org","*dnsbl-1.uceprotect.net", "*spam.dnsbl.sorbs.net")
|
||||
| stats min(_time) as firstTime max(_time) as lastTime count by process_path
|
||||
process_name process_id QueryName QueryStatus QueryResults Computer EventCode |
|
||||
| stats min(_time) as firstTime max(_time) as lastTime count by Image
|
||||
process_name ProcessId QueryName QueryStatus QueryResults Computer EventCode |
|
||||
`security_content_ctime(firstTime)` | `security_content_ctime(lastTime)` | `wermgr_process_connecting_to_ip_check_web_services_filter`'
|
||||
how_to_implement: To successfully implement this search, you need to be ingesting
|
||||
logs with the process name, dns query name process path , and query ststus from
|
||||
|
||||
@@ -1,8 +1,8 @@
|
||||
name: Windows InstallUtil Credential Theft
|
||||
id: ccfeddec-43ec-11ec-b494-acde48001122
|
||||
version: 1
|
||||
date: '2021-11-12'
|
||||
author: Michael Haag, Splunk
|
||||
version: 2
|
||||
date: '2022-06-01'
|
||||
author: Michael Haag, Mauricio Velazo, Splunk
|
||||
type: TTP
|
||||
datamodel:
|
||||
- Endpoint
|
||||
@@ -23,7 +23,7 @@ description: 'The following analytic identifies the Windows InstallUtil.exe bina
|
||||
processes. Capture any artifacts and review further.'
|
||||
search: '`sysmon` EventCode=7 process_name=installutil.exe ImageLoaded IN ("*\\samlib.dll",
|
||||
"*\\vaultcli.dll") | stats count min(_time) as firstTime max(_time) as lastTime
|
||||
by Computer, process_name, ImageLoaded, OriginalFileName, process_id | rename Computer
|
||||
by Computer, process_name, ImageLoaded, OriginalFileName, ProcessId | rename Computer
|
||||
as dest | `security_content_ctime(firstTime)` | `security_content_ctime(lastTime)`
|
||||
| `windows_installutil_credential_theft_filter`'
|
||||
how_to_implement: To successfully implement this search, you need to be ingesting
|
||||
|
||||
@@ -1,4 +1,4 @@
|
||||
definition: source="wineventlog:microsoft-windows-printservice/operational" OR sourcetype="WinEventLog:Microsoft-Windows-PrintService/Admin"
|
||||
definition: source="wineventlog:microsoft-windows-printservice/operational" OR source="WinEventLog:Microsoft-Windows-PrintService/Admin"
|
||||
description: customer specific splunk configurations(eg- index, source, sourcetype).
|
||||
Replace the macro definition with configurations for your Splunk Environmnent.
|
||||
name: printservice
|
||||
|
||||
Reference in New Issue
Block a user