Query: rule covering Detects execution of "findstr" with specific flags and a remote share path. This specific set of CLI flags would allow "
Matching passage: Sigma rule: Detects execution of "findstr" with specific flags and a remote share path. This specific set of CLI flags would allow ". Logsource: windows / process_creation. Rule: title: Remote File Download Via Findstr.EXE id: 587254ee-a24b-4335-b3cd-065c0f1f4baa related: - id: bf6c39fc-e203-45b9-9538-05397c1b4f3f type: obsolete status: test description: 'Detects execution of "findstr" with specific flags and a remote share path. This specific set of CLI flags would allow "findstr" to download the content of the file located on the remote share as described in the LOLBAS entry. ' references: - https://lolbas-project.github.io/lolbas/Binaries/Findstr/ - https://oddvar.moe/2018/04/11/putting-data-in-alternate-data-streams-and-how-to-execute-it-part-2/ - https://gist.github.com/api0cradle/cdd2d0d0ec9abb686f0e89306e277b8f author: Furkan CALISKAN, @caliskanfurkan_, @oscd_initiative, Nasreddine Bencherchali (Nextron Systems) date: 2020-10-05 modified: 2024-03-05 tags: - attack.credential-access - attack.command-and-control - attack.stealth - attack.t1218 - attack.t1564.004 - attack.t1552.001 - attack.t1105 logsource: category: process_creation product: windows detection: selection_findstr: - CommandLine|contains: findstr - Image|endswith: findstr.exe - OriginalFileName: FINDSTR.EXE selection_cli_download_1: CommandLine|contains|windash: ' -v ' selection_cli_download_2: CommandLine|contains|windash: ' -l ' selection_cli_download_3: CommandLine|contains: \\\\ condition: selection_findstr and all of selection_cli_download_* falsepositives: - Unknown level: medium
Near-miss passage: Sigma rule: Detects a script interpreter process (like node.js or bun) spawning a known credential scanning tool (e.g., trufflehog,. Logsource: linux / process_creation. Rule: title: Script Interpreter Spawning Credential Scanner - Linux id: f0025a69-e1b7-4dda-a53c-db21fa2d4071 related: - id: 0f60b28c-64dd-4e2c-9a63-5334d3e3a6e6 type: similar status: experimental description: 'Detects a script interpreter process (like node.js or bun) spawning a known credential scanning tool (e.g., trufflehog, gitleaks). This behavior is indicative of an attempt to find and steal secrets, as seen in the "Shai-Hulud: The Second Coming" campaign. ' references: - https://github.com/asyncapi/cli/blob/2efa4dff59bc3d3cecdf897ccf178f99b115d63d/bun_environment.js - https://www.stepsecurity.io/blog/sha1-hulud-the-second-coming-zapier-ens-domains-and-other-prominent-npm-packages-compromised - https://www.endorlabs.com/learn/shai-hulud-2-malware-campaign-targets-github-and-cloud-credentials-using-bun-runtime - https://semgrep.dev/blog/2025/digging-for-secrets-sha1-hulud-the-second-coming-of-the-npm-worm/ author: Swachchhanda Shrawan Poudel (Nextron Systems) date: 2025-11-25 tags: - attack.credential-access - attack.t1552 - attack.execution - attack.collection - attack.t1005 - attack.t1059.004 logsource: category: process_creation product: linux detection: selection_parent: ParentImage|endswith: - /node - /bun selection_child: - Image|endswith: - /trufflehog - /gitleaks - CommandLine|contains: - trufflehog - gitleaks condition: all of selection_* falsepositives: - Legitimate pre-commit hooks or CI/CD pipeline jobs that use a script to run a credential scanner as part of a security check. level: high