fix: correctly extract username from invalid user SSH log lines - #31
Merged
ralyodio merged 1 commit intoJun 23, 2026
Merged
Conversation
The USER_REGEX matched "for" then captured "invalid" as the username. Add a more specific INVALID_USER_REGEX that matches the full "for invalid user <name>" pattern and try it first. Fixes profullstack#26 Co-Authored-By: Claude <noreply@anthropic.com>
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
2 participants
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Outdated suggestions cannot be applied.This suggestion has been applied or marked resolved.Suggestions cannot be applied from pending reviews.Suggestions cannot be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
INVALID_USER_REGEXto specifically match "Failed password for invalid user <name>" linesUSER_REGEXso the actual attempted username is captured instead of the literal word "invalid"Fixes #26
Gig: https://ugig.net/gigs/14eb1fad-1c95-4ba9-bd6f-5b6f9de1a664
Test plan
Failed password for invalid user admin from 203.0.113.10 port 54321 ssh2→fields.usershould be"admin"Failed password for root from 203.0.113.10 port 54321 ssh2→fields.usershould still be"root"