Comments (2)
fscc-jamesd
commented on May 18, 2024
Hi @Neo23x0
Thanks for raising this issue. I must have mis-understood the DRL as my interpretation was that as long as the sigma rule base remained unmodified, referenced and linked then showing the matching detections was okay without explicity naming the author for each detection.
My thought process for how the analyst workflow would work was:
Run Chainsaw -> View Detections -> Read Detection Logic -> Verify Chainsaw Detections Against Raw Data
The author information would be visible in the "Read Detection Logic" step when the analyst goes to the specific Sigma rule.
Regardless, I'm more than happy to add support for your requirements. I've opened PR #5 which adds --authors as an optional flag to the hunt module. Using this flag will add a new column to the table/CSV output which will include the author information. For example:
[+] Detection: (External Rule) - Suspicious File Creation
┌─────────────────────┬────┬────────────────────────────────┬───────────────────────────────────┬────────────────────────────┬──────────────────────────────────────────┬──────────────────────────────────────────┐
│ system_time │ id │ detection_rules │ rule_authors │ computer_name │ Event.EventData.TargetFilename │ image │
├─────────────────────┼────┼────────────────────────────────┼───────────────────────────────────┼────────────────────────────┼──────────────────────────────────────────┼──────────────────────────────────────────┤
│ 2019-03-17 19:09:41 │ 11 │ ‣ LSASS Memory Dump File │ ‣ Teymur Kheirkhabarov │ "PC04.example.corp" │ C:\Users\IEUser\Desktop\lsass.exe_190317 │ C:\Users\IEUser\Desktop\procdump.exe │
│ │ │ Creation │ oscd.community │ │ _120941.dmp │ │
├─────────────────────┼────┼────────────────────────────────┼───────────────────────────────────┼────────────────────────────┼──────────────────────────────────────────┼──────────────────────────────────────────┤
│ 2019-03-17 19:10:03 │ 11 │ ‣ LSASS Memory Dump File │ ‣ Teymur Kheirkhabarov │ "PC04.example.corp" │ C:\Users\IEUser\AppData\Local\Temp\lsass │ C:\Windows\system32\taskmgr.exe │
│ │ │ Creation │ oscd.community │ │ (2).DMP │ │
├─────────────────────┼────┼────────────────────────────────┼───────────────────────────────────┼────────────────────────────┼──────────────────────────────────────────┼──────────────────────────────────────────┤
│ 2019-05-14 14:04:05 │ 11 │ ‣ Hijack Legit RDP Session │ ‣ Samir Bousseaden │ "alice.insecurebank.local" │ C:\Users\administrator\AppData\Roaming\M │ C:\Windows\system32\mstsc.exe │
│ │ │ to Move Laterally │ │ │ icrosoft\Windows\Start Menu\Programs\Sta │ │
│ │ │ │ │ │ rtup\cmd.exe │ │
As long as you're happy that this satisfied the conditions of the DRL then I'll merge the PR.
from chainsaw.
fscc-jamesd
commented on May 18, 2024
This has been added to master with #11. It will be live in the next release.
from chainsaw.
Related Issues (20)
- Add timestamp format to help output HOT 2
- Deserialization error does't not show responsible file HOT 2
- Invalid Tau Key Pair error HOT 2
- Hunt with WEC/WEF HOT 2
- keyless identifiers cannot be converted HOT 3
- Check for potential I/0 error before processing HOT 1
- Erroneous Sigma Results using Hunt option HOT 7
- chainsaw project name collides with another rust project HOT 2
- Tau EventID Filter error HOT 6
- v2.4+ seems to be unable to recognize Sigma alerts HOT 1
- Sophos Antivirus Rule Not Parsing Data Events With Same Key Name HOT 5
- Print warning when loading Sigma rules with keyless search identifiers HOT 6
- Missing Sigma Base64 Encoding? HOT 3
- -o flag not recognized HOT 2
- No executable HOT 1
- Looking for clarity for mft yaml 'filter' issue HOT 3
- [Feature Request] Support for "contains", "|" and "all" in both chainsaw and sigma rules HOT 4
- Search feature doesn't parse backslashes HOT 2
- Feature Request: Event Log ID / Sigma Summary HOT 1
- '--timezone' and '--local' option not working as intended HOT 2
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