[New] Block User Credentials - Ransomware over SMB - #24
Open
Samirbous wants to merge 2 commits into
Open
Conversation
Designed for SMB ransomware rules such as "Potential Ransomware Note File Dropped via SMB" and Suspicious File Renamed via SMB. https://www.elastic.co/guide/en/security/8.19/potential-ransomware-note-file-dropped-via-smb.html https://www.elastic.co/guide/en/security/8.19/suspicious-file-renamed-via-smb.html Extracts # user.id (SID) from the triggering alert and denies network logon for that # principal on the victim host (SeDenyNetworkLogonRight via secedit). Works # for domain and local accounts. Also closes existing SMB sessions and open # Also closes existing SMB sessions via net session before applying the deny.
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
1 participant
Add this suggestion to a batch that can be applied as a single commit.This suggestion is invalid because no changes were made to the code.Suggestions cannot be applied while the pull request is closed.Suggestions cannot be applied while viewing a subset of changes.Only one suggestion per line can be applied in a batch.Add this suggestion to a batch that can be applied as a single commit.Applying suggestions on deleted lines is not supported.You must change the existing code in this line in order to create a valid suggestion.Outdated suggestions cannot be applied.This suggestion has been applied or marked resolved.Suggestions cannot be applied from pending reviews.Suggestions cannot be applied on multi-line comments.Suggestions cannot be applied while the pull request is queued to merge.Suggestion cannot be applied right now. Please check back later.
Designed for ransomware over SMB detection rules such as `Potential Ransomware Note File Dropped via SMB" and Suspicious File Renamed via SMB.
https://www.elastic.co/guide/en/security/8.19/potential-ransomware-note-file-dropped-via-smb.html https://www.elastic.co/guide/en/security/8.19/suspicious-file-renamed-via-smb.html
Extracts user.id (SID) from the triggering alert and denies network logon for that principal on the victim host (SeDenyNetworkLogonRight via secedit). Works for domain and local accounts. Also closes existing SMB sessions and open # Also closes existing SMB sessions via net session before applying the deny.