diff --git a/detections/endpoint/windows_bypass_uac_via_pkgmgr_tool.yml b/detections/endpoint/windows_bypass_uac_via_pkgmgr_tool.yml index 65508cee67..f412e936af 100644 --- a/detections/endpoint/windows_bypass_uac_via_pkgmgr_tool.yml +++ b/detections/endpoint/windows_bypass_uac_via_pkgmgr_tool.yml @@ -37,7 +37,7 @@ tags: asset_type: Endpoint confidence: 30 impact: 30 - message: A pkgmgr.exe executed with package manager xml input file in $dest$ + message: A pkgmgr.exe executed with package manager xml input file on $dest$ mitre_attack_id: - T1548.002 observable: @@ -45,14 +45,10 @@ tags: type: User role: - Victim - - name: process_id - type: Process + - name: dest + type: Endpoint role: - - Attacker - - name: file_name - type: File Name - role: - - Attacker + - Victim product: - Splunk Enterprise - Splunk Enterprise Security diff --git a/detections/endpoint/windows_mark_of_the_web_bypass.yml b/detections/endpoint/windows_mark_of_the_web_bypass.yml index c1f9a1e49b..86734f1975 100644 --- a/detections/endpoint/windows_mark_of_the_web_bypass.yml +++ b/detections/endpoint/windows_mark_of_the_web_bypass.yml @@ -12,7 +12,7 @@ description: The following analytic identifies a suspicious process that delete security restrictions within the Windows Operating System, particularly pertaining to files downloaded from the internet. An example of this scenario is demonstrated by Ave Maria RAT, which attempts to delete this data stream as a means to evade such restrictions. search: '`sysmon` EventCode=23 TargetFilename = "*:Zone.Identifier" - | stats min(_time) as firstTime max(_time) as lastTime count by user EventCode Image TargetFilename ProcessID Computer + | stats min(_time) as firstTime max(_time) as lastTime count by user EventCode Image TargetFilename ProcessID Computer | rename Computer as dest | `security_content_ctime(firstTime)` | `security_content_ctime(lastTime)` | `windows_mark_of_the_web_bypass_filter`' @@ -28,7 +28,7 @@ tags: asset_type: Endpoint confidence: 70 impact: 70 - message: a mark-of-the-web data stream is deleted in $dest$ + message: A mark-of-the-web data stream is deleted on $dest$ mitre_attack_id: - T1553.005 observable: @@ -36,14 +36,10 @@ tags: type: User role: - Victim - - name: Computer + - name: dest type: Endpoint role: - Victim - - name: deleted_files - type: File Name - role: - - Target product: - Splunk Enterprise - Splunk Enterprise Security diff --git a/detections/endpoint/windows_unsigned_dll_side_loading.yml b/detections/endpoint/windows_unsigned_dll_side_loading.yml index 88d123d25c..25159dabc3 100644 --- a/detections/endpoint/windows_unsigned_dll_side_loading.yml +++ b/detections/endpoint/windows_unsigned_dll_side_loading.yml @@ -17,7 +17,7 @@ description: This analysis focuses on detecting potentially malicious unsigned D Detecting such suspicious DLLs is crucial in preventing privilege escalation attacks and other potential security breaches. Regular security assessments, thorough monitoring, and implementing security best practices are essential in safeguarding systems from such threats. search: '`sysmon` EventCode=7 Signed=false OriginalFileName = "-" SignatureStatus="unavailable" ImageLoaded IN ("*:\\windows\\system32\\*", "*:\\windows\\syswow64\\*") - | stats count min(_time) as firstTime max(_time) as lastTime by Image ImageLoaded Signed SignatureStatus OriginalFileName process_name Computer EventCode ProcessId Hashes IMPHASH + | stats count min(_time) as firstTime max(_time) as lastTime by Image ImageLoaded Signed SignatureStatus OriginalFileName process_name Computer EventCode ProcessId Hashes IMPHASH | rename Computer as dest | `security_content_ctime(firstTime)` | `security_content_ctime(lastTime)` | `windows_unsigned_dll_side_loading_filter`' @@ -33,11 +33,11 @@ tags: asset_type: Endpoint confidence: 70 impact: 70 - message: an unsigned dll module was loaded in $dest$ + message: An unsigned dll module was loaded on $dest$ mitre_attack_id: - T1574.002 observable: - - name: Computer + - name: dest type: Endpoint role: - Victim