Query: Sigma rule for Detects execution of "findstr" to search for common names of security tools. Attackers often pipe the results of recon c
Matching 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
Near-miss passage: Sigma rule: Detects the execution of Process Hacker based on binary metadata information (Image, Hash, Imphash, etc). Process Hacker. Logsource: windows / process_creation. Rule: title: PUA - Process Hacker Execution id: 811e0002-b13b-4a15-9d00-a613fce66e42 related: - id: 5722dff1-4bdd-4949-86ab-fbaf707e767a type: similar status: test description: 'Detects the execution of Process Hacker based on binary metadata information (Image, Hash, Imphash, etc). Process Hacker is a tool to view and manipulate processes, kernel options and other low level options. Threat actors abused older vulnerable versions to manipulate system processes. ' references: - https://processhacker.sourceforge.io/ - https://www.crowdstrike.com/blog/falcon-overwatch-report-finds-increase-in-ecrime/ author: Florian Roth (Nextron Systems) date: 2022-10-10 modified: 2024-11-23 tags: - attack.discovery - attack.persistence - attack.privilege-escalation - attack.stealth - attack.t1622 - attack.t1564 - attack.t1543 logsource: category: process_creation product: windows detection: selection: - Image|contains: \ProcessHacker_ - Image|endswith: \ProcessHacker.exe - OriginalFileName: - ProcessHacker.exe - Process Hacker - Description: Process Hacker - Product: Process Hacker - Hashes|contains: - MD5=68F9B52895F4D34E74112F3129B3B00D - MD5=B365AF317AE730A67C936F21432B9C71 - SHA1=A0BDFAC3CE1880B32FF9B696458327CE352E3B1D - SHA1=C5E2018BF7C0F314FED4FD7FE7E69FA2E648359E - SHA256=D4A0FE56316A2C45B9BA9AC1005363309A3EDC7ACF9E4DF64D326A0FF273E80F - SHA256=BD2C2CF0631D881ED382817AFCCE2B093F4E412FFB170A719E2762F250ABFEA4 - IMPHASH=3695333C60DEDECDCAFF1590409AA462 - IMPHASH=04DE0AD9C37EB7BD52043D2ECAC958DF condition: selection falsepositives: - While sometimes 'Process Hacker is used by legitimate administrators, the execution of Process Hacker must be investigated and allowed on a case by case basis level: medium