Query: Sigma rule for Detects the modification of an existing service in order to execute an arbitrary payload when the service is started or
Matching passage: Sigma rule: Detects the modification of an existing service in order to execute an arbitrary payload when the service is started or. Logsource: windows / process_creation. Rule: title: Potential Persistence Attempt Via Existing Service Tampering id: 38879043-7e1e-47a9-8d46-6bec88e201df status: test description: Detects the modification of an existing service in order to execute an arbitrary payload when the service is started or killed as a potential method for persistence. references: - https://pentestlab.blog/2020/01/22/persistence-modify-existing-service/ author: Sreeman date: 2020-09-29 modified: 2023-02-04 tags: - attack.privilege-escalation - attack.persistence - attack.execution - attack.stealth - attack.t1543.003 - attack.t1574.011 logsource: category: process_creation product: windows detection: selection_sc: - CommandLine|contains|all: - 'sc ' - 'config ' - binpath= - CommandLine|contains|all: - 'sc ' - failure - command= selection_reg_img: - CommandLine|contains|all: - 'reg ' - 'add ' - FailureCommand - CommandLine|contains|all: - 'reg ' - 'add ' - ImagePath selection_reg_ext: CommandLine|contains: - .sh - .exe - .dll - .bin$ - .bat - .cmd - .js - .msh$ - .reg$ - .scr - .ps - .vb - .jar - .pl condition: selection_sc or all of selection_reg_* falsepositives: - Unknown level: medium
Near-miss passage: Sigma rule: Detects potentially suspicious explicit credential logon events where the user is trying to logon with explicit credenti. Logsource: windows / security. Rule: title: Potentially Suspicious Explicit Credential Local Logon id: e3c6d245-7b8f-4e2a-c17f-a9d0e5b38f62 status: experimental description: 'Detects potentially suspicious explicit credential logon events where the user is trying to logon with explicit credentials (username and password) that are different from the current user context. It might indicate an attacker attempting to escalate privileges after obtaining credentials for a different user account. ' references: - https://learn.microsoft.com/en-us/windows/security/threat-protection/auditing/event-4648 - https://github.com/MSNightmare/LegacyHive author: Swachchhanda Shrawan Poudel (Nextron Systems) date: 2026-07-23 tags: - attack.privilege-escalation - attack.stealth - attack.t1134 - attack.t1134.003 logsource: product: windows service: security detection: selection_eid: EventID: 4648 selection_localhost: - TargetServerName: localhost - TargetInfo: localhost - IpAddress: - 127.0.0.1 - ::1 filter_main_computer_accounts: SubjectUserName|endswith: $ filter_main_system_processes: ProcessName|startswith: - C:\Windows\System32\ - C:\Windows\SysWOW64\ - C:\Windows\WinSxS\ filter_main_program_files: ProcessName|startswith: - C:\Program Files\ - C:\Program Files (x86)\ filter_main_same_user: SubjectUserName|fieldref: TargetUserName condition: all of selection_* and not 1 of filter_main_* falsepositives: - RunAs usage from user-installed applications outside Program Files - Administrative scripts using explicit credentials from non-standard paths level: medium regression_tests_path: regression_data/rules/windows/builtin/security/win_security_explicit_credential_local_logon/info.yml