Query: detect Detects the execution of the Restic backup tool, which can be used for data exfiltration. Threat actors may leverage Res in logs
Matching passage: Sigma rule: Detects the execution of the Restic backup tool, which can be used for data exfiltration. Threat actors may leverage Res. Logsource: windows / process_creation. Rule: title: PUA - Restic Backup Tool Execution id: 6ddff2e8-ea1a-45d0-8938-93dfc1d67ae7 status: experimental description: 'Detects the execution of the Restic backup tool, which can be used for data exfiltration. Threat actors may leverage Restic to back up and exfiltrate sensitive data to remote storage locations, including cloud services. If not legitimately used in the enterprise environment, its presence may indicate malicious activity. ' references: - https://thedfirreport.com/2024/09/30/nitrogen-campaign-drops-sliver-and-ends-with-blackcat-ransomware/#exfiltration - https://restic.net/ - https://restic.readthedocs.io/en/stable/030_preparing_a_new_repo.html author: Nounou Mbeiri, Swachchhanda Shrawan Poudel (Nextron Systems) date: 2025-10-17 tags: - attack.exfiltration - attack.t1048 - attack.t1567.002 logsource: product: windows category: process_creation detection: selection_specific: - CommandLine|contains|all: - --password-file - init - ' -r ' - CommandLine|contains|all: - --use-fs-snapshot - backup - ' -r ' selection_restic: CommandLine|contains: - 'sftp:' - rest:http - s3:s3. - s3.http - 'azure:' - ' gs:' - 'rclone:' - 'swift:' - ' b2:' CommandLine|contains|all: - ' init ' - ' -r ' condition: 1 of selection_* falsepositives: - Legitimate use of Restic for backup purposes within the organization. level: high
Near-miss passage: Sigma rule: Detects changes to environment variables related to ETW logging via the CommandLine. This could indicate potential adver. Logsource: windows / process_creation. Rule: title: ETW Logging Tamper In .NET Processes Via CommandLine id: 41421f44-58f9-455d-838a-c398859841d4 status: test description: 'Detects changes to environment variables related to ETW logging via the CommandLine. This could indicate potential adversaries stopping ETW providers recording loaded .NET assemblies. ' references: - https://twitter.com/_xpn_/status/1268712093928378368 - https://social.msdn.microsoft.com/Forums/vstudio/en-US/0878832e-39d7-4eaf-8e16-a729c4c40975/what-can-i-use-e13c0d23ccbc4e12931bd9cc2eee27e4-for?forum=clr - https://github.com/dotnet/runtime/blob/ee2355c801d892f2894b0f7b14a20e6cc50e0e54/docs/design/coreclr/jit/viewing-jit-dumps.md#setting-configuration-variables - https://github.com/dotnet/runtime/blob/f62e93416a1799aecc6b0947adad55a0d9870732/src/coreclr/src/inc/clrconfigvalues.h#L35-L38 - https://github.com/dotnet/runtime/blob/7abe42dc1123722ed385218268bb9fe04556e3d3/src/coreclr/src/inc/clrconfig.h#L33-L39 - https://github.com/dotnet/runtime/search?p=1&q=COMPlus_&unscoped_q=COMPlus_ - https://bunnyinside.com/?term=f71e8cb9c76a - http://managed670.rssing.com/chan-5590147/all_p1.html - https://github.com/dotnet/runtime/blob/4f9ae42d861fcb4be2fcd5d3d55d5f227d30e723/docs/coding-guidelines/clr-jit-coding-conventions.md#1412-disabling-code - https://i.blackhat.com/EU-21/Wednesday/EU-21-Teodorescu-Veni-No-Vidi-No-Vici-Attacks-On-ETW-Blind-EDRs.pdf author: Roberto Rodriguez (Cyb3rWard0g), OTR (Open Threat Research) date: 2020-05-02 modified: 2022-12-09 tags: - attack.defense-impairment - attack.t1685 logsource: category: process_creation product: windows detection: selection: CommandLine|contains: - COMPlus_ETWEnabled - COMPlus_ETWFlags condition: selection falsepositives: - Unlikely level: high