Suspicious ntlm logon failure #5376
Open
Conversation
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
Detects success NTLM logons (Event ID 4624) with specific attributes and no workstation name (possible Impacket) or WORKSTATION for name (possible Metasploit), which could indicate malicious activity.
Detects failed NTLM logons (Event ID 4625) with specific attributes and no workstation name (possible Impacket) or WORKSTATION for name (possible Metasploit), which could indicate malicious activity.
…ed_ntlm_authent.yml
Detects failed NTLM logons (Event ID 4625) with specific attributes and no workstation name (possible Impacket) or WORKSTATION for name (possible Metasploit), which could indicate malicious activity.
github-actions
bot
added
Rules
Windows
…ess_ntlm_authent.yml
swachchhanda000
force-pushed
the
master
branch
from
a6254cb to
b9a91bb
Compare
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Outdated suggestions cannot be applied.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.
Summary of the Pull Request
Changelog
Example Log Event
Fixed Issues
SigmaHQ Rule Creation Conventions