Sigma rule: Conti NTDS Exfiltration Command

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-5b8b65b5640e, updated 2022-10-09T00:00:00.000Z.

Rule

Title
Conti NTDS Exfiltration Command
Status
test
Level
high
Author
Max Altgelt (Nextron Systems), Tobias Michalski (Nextron Systems)
Date
2021-08-09
Modified
2022-10-09
File
rules-emerging-threats/2021/Malware/Conti/proc_creation_win_malware_conti_7zip.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects a command used by conti to exfiltrate NTDS

Log source

product
windows
category
process_creation

Detection

selection:
    CommandLine|contains|all:
        - '7za.exe'
        - '\\C$\\temp\\log.zip'
condition: selection

False positives (as the rule lists them)

  • Unknown

Tags

  • attack.collection
  • attack.t1560
  • detection.emerging-threats

MITRE ATT&CK ids this rule names

References

Read on 2026-11-03T00:58:21.399Z under licence sigma-drl-1.1@d5f4c36a from https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules-emerging-threats/2021/Malware/Conti/proc_creation_win_malware_conti_7zip.yml

Sources and licences

  • SigmaHQ

    "Conti NTDS Exfiltration Command" by Max Altgelt (Nextron Systems), Tobias Michalski (Nextron Systems) (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules-emerging-threats/2021/Malware/Conti/proc_creation_win_malware_conti_7zip.yml.
    Licensed under the Detection Rule License (DRL) 1.1: https://github.com/SigmaHQ/Detection-Rule-License

    Detection Rule License (DRL) 1.1

Cite this page

Dragons Eye Ransomware Tracker, "Sigma rule: Conti NTDS Exfiltration Command",
entity page, dataset version ref-5b8b65b5640e, updated 2022-10-09T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/aa92fd02-09f2-48b0-8a93-864813fb8f41 (accessed 2026-11-03).
Underlying source: SigmaHQ rule aa92fd02-09f2-48b0-8a93-864813fb8f41, commit ccbb0369507f796db0b0ae6854c8a2be471b9d84.

Pages change. The dataset version identifies the data, but no archive of old versions is kept, so this citation cannot be replayed later.