Branch was auto-updated.

This commit is contained in:
pyth0n1c
2022-06-09 11:50:07 -07:00
committed by GitHub
6 changed files with 22 additions and 23 deletions
@@ -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 -1
View File
@@ -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