Query: write Sigma for Detects execution of Windows Problem Steps Recorder (psr.exe), a utility used to record the user screen and clicks.
Matching passage: Sigma rule: Detects execution of Windows Problem Steps Recorder (psr.exe), a utility used to record the user screen and clicks.. Logsource: windows / process_creation. Rule: title: Screen Capture Activity Via Psr.EXE id: 2158f96f-43c2-43cb-952a-ab4580f32382 status: test description: Detects execution of Windows Problem Steps Recorder (psr.exe), a utility used to record the user screen and clicks. references: - https://lolbas-project.github.io/lolbas/Binaries/Psr/ - https://web.archive.org/web/20200229201156/https://www.sans.org/cyber-security-summit/archives/file/summit-archive-1493861893.pdf - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1560.001/T1560.001.md author: Beyu Denis, oscd.community date: 2019-10-12 modified: 2024-01-04 tags: - attack.collection - attack.t1113 logsource: category: process_creation product: windows detection: selection: Image|endswith: \Psr.exe CommandLine|contains: - /start - -start condition: selection falsepositives: - Unknown level: medium
Near-miss passage: Sigma rule: Detects execution of "findstr" to search for common names of security tools. Attackers often pipe the results of recon c. Logsource: windows / process_creation. Rule: title: Security Tools Keyword Lookup Via Findstr.EXE id: 4fe074b4-b833-4081-8f24-7dcfeca72b42 related: - id: fe63010f-8823-4864-a96b-a7b4a0f7b929 type: derived status: test description: 'Detects execution of "findstr" to search for common names of security tools. Attackers often pipe the results of recon commands such as "tasklist" or "whoami" to "findstr" in order to filter out the results. This detection focuses on the keywords that the attacker might use as a filter. ' references: - https://github.com/redcanaryco/atomic-red-team/blob/987e3ca988ae3cff4b9f6e388c139c05bf44bbb8/atomics/T1518.001/T1518.001.md#atomic-test-1---security-software-discovery - https://www.microsoft.com/en-us/security/blog/2023/10/18/multiple-north-korean-threat-actors-exploiting-the-teamcity-cve-2023-42793-vulnerability/ - https://www.hhs.gov/sites/default/files/manage-engine-vulnerability-sector-alert-tlpclear.pdf author: Nasreddine Bencherchali (Nextron Systems), frack113 date: 2023-10-20 modified: 2023-11-14 tags: - attack.discovery - attack.t1518.001 logsource: category: process_creation product: windows detection: selection_img: - Image|endswith: - \find.exe - \findstr.exe - OriginalFileName: - FIND.EXE - FINDSTR.EXE selection_cli: CommandLine|endswith: - ' avira' - ' avira"' - ' cb' - ' cb"' - ' cylance' - ' cylance"' - ' defender' - ' defender"' - ' kaspersky' - ' kaspersky"' - ' kes' - ' kes"' - ' mc' - ' mc"' - ' sec' - ' sec"' - ' sentinel' - ' sentinel"' - ' symantec' - ' symantec"' - ' virus' - ' virus"' condition: all of selection_* falsepositives: - Unknown level: medium regression_tests_path: regression_data/rules/windows/process_creation/proc_creation_win_findstr_security_keyword_lookup/info.yml simulation: - type: atomic-red-team name: Security Software Discovery technique: T1518.001 atomic_guid: f92a380f-ced9-491f-b338-95a991418ce2