chore: 🧹 Remove redundant modified field
chore: 🧹 Use Mitre tags instead of url
chore: 🧹 Use permalink for github file reference
chore: 🧹 Order emerging-threats Exploits rules
chore: deprecate rule in favour of c1337eb8-921a-4b59-855b-4ba188ddcc42
chore: update the ref of some rules
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Co-authored-by: frack113 <62423083+frack113@users.noreply.github.com>
chore: change tags, date, modified fields to comply with v2 of the Sigma spec.
chore: update the related type from `obsoletes` to `obsolete`.
chore: update local json schema to the latest version.
update: AWS User Login Profile Was Modified - use fieldref instead of contains modifier
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Co-authored-by: nasbench <8741929+nasbench@users.noreply.github.com>
fix: Kerberos Manipulation - Update field to use Status instead of incorrect "FailureCode"
fix: Metasploit SMB Authentication - Remove unnecessary field
fix: Service Installation in Suspicious Folder - Update FP filter
update: Malicious PowerShell Commandlets - ProcessCreation - "Start-Dnscat2"
remove: Dnscat Execution - Deprecated in favour of an integration in the "Malicious PowerShell Cmdlet" type of rules
remove: SAM Dump to AppData
update: Critical Hive In Suspicious Location Access Bits Cleared - Enhance metadata and logic
update: Malicious PowerShell Commandlets - PoshModule - "Start-Dnscat2"
update: Malicious PowerShell Commandlets - ScriptBlock - "Start-Dnscat2"
update: Malicious PowerShell Scripts - FileCreation - Add "dnscat2.ps1"
update: Malicious PowerShell Scripts - PoshModule - Add "dnscat2.ps1"
update: Monitoring For Persistence Via BITS - Use "Image" and "OriginalFileName" fields instead of CLI only
update: New or Renamed User Account with '$' Character - Reduced level to "medium"
update: New Process Created Via Taskmgr.EXE - Added full paths to the filtered binaries to decrease false negatives
update: Potential Dropper Script Execution Via WScript/CScript - Re-wrote the logic by removing the paths "C:\Users" and "C:\ProgramData". As these are very common and will generate high FP rate. Instead switched the paths to a more robust list and extended the list of extension covered. Also reduced the level to "medium"
update: Potential Fake Instance Of Hxtsr.EXE Executed - Remove "C:" prefix from detection logic
update: Prefetch File Deleted - Update selection to remove 'C:' prefix
update: Sensitive File Access Via Volume Shadow Copy Backup - Made the rule more generic by updating the title and removing the IOC from conti. (will be added in a dedicated rule)
update: Shell Process Spawned by Java.EXE - Add "bash.exe"
update: Suspicious PowerShell Download - Powershell Script - Add "DownloadFileAsync" and "DownloadStringAsync" functions
update: Suspicious Processes Spawned by Java.EXE - Remove "bash.exe" as its doesn't fit the logic
update: Sysmon Application Crashed - Add 32bit version of sysmon binary
update: Tap Driver Installation - Security - Reduce level to "low"
update: Write Protect For Storage Disabled - Remove "storagedevicepolicies" as the string "storage" already covers it
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Co-authored-by: phantinuss <79651203+phantinuss@users.noreply.github.com>
fix: Azure Active Directory Hybrid Health AD FS New Server - Update Logsource to align with the rest of the azure rules
fix: Azure Active Directory Hybrid Health AD FS Service Delete - Update Logsource to align with the rest of the azure rules
fix: Number Of Resource Creation Or Deployment Activities - Update Logsource to align with the rest of the azure rules
fix: Granting Of Permissions To An Account - Update Logsource to align with the rest of the azure rules
fix: Rare Subscription-level Operations In Azure - Update Logsource to align with the rest of the azure rules
fix: Google Workspace Application Removed - Update logsource product field to `gcp`
fix: Google Workspace Granted Domain API Access - Update logsource product field to `gcp`
fix: Google Workspace MFA Disabled - Update logsource product field to `gcp`
fix: Google Workspace Role Modified or Deleted - Update logsource product field to `gcp`
fix: Google Workspace Role Privilege Deleted - Update logsource product field to `gcp`
fix: Google Workspace User Granted Admin Privileges - Update logsource product field to `gcp`
david-syk