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Hunt pack: Akira

958 vendor-native detections · ready to paste into your SIEM · cross-linked to ATT&CK
hunt pack: Akira ×
Vendor-native detections covering the ATT&CK techniques attributed to Akira - a ready-to-deploy hunt pack across Splunk, Elastic and Sentinel.

Detections

8 shown of 958
Splunk Original SPL T1059 ↗
Windows WinDBG Spawning AutoIt3
The following analytic identifies instances of the WinDBG process spawning AutoIt3. This behavior is detected by monitoring endpoint telemetry for processes where 'windbg.exe' is the parent process and 'autoit3.exe' or similar is the child process. This activity is significant because AutoIt3 is frequently used by threat actors for scripting malicious automation, potentially indicating an ongoing attack. If confirmed malicious, this could allow attackers to automate tasks, execute arbitrary code, and further compromise the system, leading to data exfiltration or additional malware deployment.
Show query
| tstats `security_content_summariesonly` count min(_time) as firstTime max(_time) as lastTime from datamodel=Endpoint.Processes  where Processes.parent_process_name=windbg.exe  AND (Processes.process_name IN ("autoit3.exe", "autoit*.exe") OR Processes.original_file_name IN ("autoit3.exe", "autoit*.exe")) by Processes.action Processes.dest Processes.original_file_name Processes.parent_process Processes.parent_process_exec Processes.parent_process_guid Processes.parent_process_id Processes.parent_process_name Processes.parent_process_path Processes.process Processes.process_exec Processes.process_guid Processes.process_hash Processes.process_id Processes.process_integrity_level Processes.process_name Processes.process_path Processes.user Processes.user_id Processes.vendor_product | `drop_dm_object_name(Processes)` | `security_content_ctime(firstTime)` | `security_content_ctime(lastTime)` | eval matches_extension=if(match(process, "\\.(au3|a3x|exe|aut|aup)$"), "Yes", "No") | search matches_extension="Yes" | `windows_windbg_spawning_autoit3_filter`
Splunk Original SPL T1082 ↗
Windows Wmic CPU Discovery
The following analytic detects the use of WMIC (Windows Management Instrumentation Command-line) for CPU discovery, often executed with commands such as “wmic cpu get name” This behavior is commonly associated with reconnaissance, where adversaries seek to gather details about system hardware, assess processing power, or determine if the environment is virtualized. While WMIC is a legitimate administrative tool, its use for CPU queries outside of normal inventory or management scripts can indicate malicious intent. Monitoring command-line executions of WMIC with CPU-related arguments and correlating with other discovery activity can help identify attacker reconnaissance.
Show query
| tstats `security_content_summariesonly` count min(_time) as firstTime max(_time) as lastTime FROM datamodel=Endpoint.Processes
  WHERE `process_wmic` (Processes.process="* cpu*")
  BY Processes.action Processes.dest Processes.original_file_name
     Processes.parent_process Processes.parent_process_exec Processes.parent_process_guid
     Processes.parent_process_id Processes.parent_process_name Processes.parent_process_path
     Processes.process Processes.process_exec Processes.process_guid
     Processes.process_hash Processes.process_id Processes.process_integrity_level
     Processes.process_name Processes.process_path Processes.user
     Processes.user_id Processes.vendor_product
| `drop_dm_object_name(Processes)`
| `security_content_ctime(firstTime)`
| `security_content_ctime(lastTime)`
| `windows_wmic_cpu_discovery_filter`
Splunk Original SPL T1082 ↗
Windows Wmic DiskDrive Discovery
The following analytic detects the use of Windows Management Instrumentation Command-line (WMIC) for disk drive discovery activities on a Windows system. This process involves monitoring commands such as “wmic diskdrive” which are often used by administrators for inventory and diagnostics but can also be leveraged by attackers to enumerate hardware details for malicious purposes. Detecting these commands is essential for identifying potentially unauthorized asset reconnaissance or pre-attack mapping behaviors. By capturing and analyzing WMIC disk drive queries, security teams can gain visibility into suspicious activities, enabling them to respond promptly and strengthen the organization’s security posture against insider threats or lateral movement attempts.
Show query
| tstats `security_content_summariesonly` count min(_time) as firstTime max(_time) as lastTime FROM datamodel=Endpoint.Processes
  WHERE `process_wmic` (Processes.process="* diskdrive*")
  BY Processes.action Processes.dest Processes.original_file_name
     Processes.parent_process Processes.parent_process_exec Processes.parent_process_guid
     Processes.parent_process_id Processes.parent_process_name Processes.parent_process_path
     Processes.process Processes.process_exec Processes.process_guid
     Processes.process_hash Processes.process_id Processes.process_integrity_level
     Processes.process_name Processes.process_path Processes.user
     Processes.user_id Processes.vendor_product
| `drop_dm_object_name(Processes)`
| `security_content_ctime(firstTime)`
| `security_content_ctime(lastTime)`
| `windows_wmic_diskdrive_discovery_filter`
Splunk Original SPL T1082 ↗
Windows Wmic Memory Chip Discovery
The following analytic detects the execution of Windows Management Instrumentation Command-line (WMIC) commands related to memory chip discovery on a Windows system. Specifically, it monitors instances where commands such as “wmic memorychip” are used to retrieve detailed information about installed RAM modules. While these commands can serve legitimate administrative and troubleshooting purposes, they may also be employed by adversaries to gather system hardware specifications as part of their reconnaissance activities. By identifying and alerting on WMIC memory chip queries, security teams can enhance their ability to spot unauthorized information gathering and take proactive measures to mitigate potential threats.
Show query
| tstats `security_content_summariesonly` count min(_time) as firstTime max(_time) as lastTime FROM datamodel=Endpoint.Processes
  WHERE `process_wmic` (Processes.process="* memorychip*")
  BY Processes.action Processes.dest Processes.original_file_name
     Processes.parent_process Processes.parent_process_exec Processes.parent_process_guid
     Processes.parent_process_id Processes.parent_process_name Processes.parent_process_path
     Processes.process Processes.process_exec Processes.process_guid
     Processes.process_hash Processes.process_id Processes.process_integrity_level
     Processes.process_name Processes.process_path Processes.user
     Processes.user_id Processes.vendor_product
| `drop_dm_object_name(Processes)`
| `security_content_ctime(firstTime)`
| `security_content_ctime(lastTime)`
| `windows_wmic_memory_chip_discovery_filter`
Splunk Original SPL T1082 ↗
Windows Wmic Network Discovery
The following analytic detects the execution of Windows Management Instrumentation Command-line (WMIC) commands used for network interface discovery on a Windows system. Specifically, it identifies commands such as “wmic nic” that retrieve detailed information about the network adapters installed on the device. While these commands are commonly used by IT administrators for legitimate network inventory and diagnostics, they can also be leveraged by malicious actors for reconnaissance, enabling them to map network configurations and identify potential targets. Monitoring WMIC network interface queries allows security teams to detect suspicious or unauthorized enumeration activities, supporting early threat identification and response.ß
Show query
| tstats `security_content_summariesonly` count min(_time) as firstTime max(_time) as lastTime FROM datamodel=Endpoint.Processes
  WHERE `process_wmic` (Processes.process="* nic*")
  BY Processes.action Processes.dest Processes.original_file_name
     Processes.parent_process Processes.parent_process_exec Processes.parent_process_guid
     Processes.parent_process_id Processes.parent_process_name Processes.parent_process_path
     Processes.process Processes.process_exec Processes.process_guid
     Processes.process_hash Processes.process_id Processes.process_integrity_level
     Processes.process_name Processes.process_path Processes.user
     Processes.user_id Processes.vendor_product
| `drop_dm_object_name(Processes)`
| `security_content_ctime(firstTime)`
| `security_content_ctime(lastTime)`
| `windows_wmic_network_discovery_filter`
Splunk Original SPL T1082 ↗
Windows Wmic Systeminfo Discovery
The following analytic detects the execution of Windows Management Instrumentation Command-line (WMIC) commands used for computer system discovery on a Windows system. Specifically, it monitors for commands such as “wmic computersystem” that retrieve detailed information about the computer’s model, manufacturer, name, domain, and other system attributes. While these commands are commonly used by administrators for inventory and troubleshooting, they may also be exploited by adversaries to gain insight into the target environment during the reconnaissance phase of an attack. Identifying and alerting on WMIC computer system queries helps security teams recognize unauthorized information gathering and take steps to mitigate potential threats.
Show query
| tstats `security_content_summariesonly` count min(_time) as firstTime max(_time) as lastTime FROM datamodel=Endpoint.Processes
  WHERE `process_wmic` (Processes.process="* computersystem*")
  BY Processes.action Processes.dest Processes.original_file_name
     Processes.parent_process Processes.parent_process_exec Processes.parent_process_guid
     Processes.parent_process_id Processes.parent_process_name Processes.parent_process_path
     Processes.process Processes.process_exec Processes.process_guid
     Processes.process_hash Processes.process_id Processes.process_integrity_level
     Processes.process_name Processes.process_path Processes.user
     Processes.user_id Processes.vendor_product
| `drop_dm_object_name(Processes)`
| `security_content_ctime(firstTime)`
| `security_content_ctime(lastTime)`
| `windows_wmic_systeminfo_discovery_filter`
Splunk Original SPL T1190 ↗
WordPress Bricks Builder plugin RCE
The following analytic identifies potential exploitation of the WordPress Bricks Builder plugin RCE vulnerability. It detects HTTP POST requests to the URL path "/wp-json/bricks/v1/render_element" with a status code of 200, leveraging the Web datamodel. This activity is significant as it indicates an attempt to exploit CVE-2024-25600, a known vulnerability that allows remote code execution. If confirmed malicious, an attacker could execute arbitrary commands on the target server, leading to potential full system compromise and unauthorized access to sensitive data.
Show query
| tstats `security_content_summariesonly` count min(_time) as firstTime max(_time) as lastTime FROM datamodel=Web
  WHERE Web.url IN ("*/wp-json/bricks/v1/render_element") Web.status=200 Web.http_method=POST
  BY Web.src, Web.dest, Web.http_user_agent,
     Web.url, Web.uri_path, Web.status,
     Web.http_method, sourcetype, source
| `drop_dm_object_name("Web")`
| `security_content_ctime(firstTime)`
| `security_content_ctime(lastTime)`
| `wordpress_bricks_builder_plugin_rce_filter`
Splunk Original SPL T1078 ↗
Zoom High Video Latency
Detects particularly high latency from Zoom logs. Latency observed from threat actors performing Remote Employment Fraud (REF) is typically well above what’s normal for the majority of employees.
Show query
`zoom_index` | spath "payload.object.participant.qos{}.type" | search "payload.object.participant.qos{}.type"=video_input | rename payload.object.participant.qos{}.details.avg_latency as avg_latency "payload.object.participant.qos{}.details.latency" as latency payload.object.participant.email as email | rex field=avg_latency "(?<average_latency>\d+) ms" | rex field=latency "(?<overall_latency>\d+) ms" | search email="*" | table email overall_latency latency avg_latency average_latency _raw | stats latest(overall_latency) as overall_latency by email _raw | where overall_latency>300 | `zoom_high_video_latency_filter`
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