Query: detection rule: Detects suspicious new RUN key element pointing to an executable in a suspicious folder
Matching passage: Sigma rule: Detects suspicious new RUN key element pointing to an executable in a suspicious folder. Logsource: windows / registry_set. Rule: title: New RUN Key Pointing to Suspicious Folder id: 02ee49e2-e294-4d0f-9278-f5b3212fc588 status: experimental description: Detects suspicious new RUN key element pointing to an executable in a suspicious folder references: - https://www.fireeye.com/blog/threat-research/2018/08/fin7-pursuing-an-enigmatic-and-evasive-global-criminal-operation.html - https://github.com/HackTricks-wiki/hacktricks/blob/e4c7b21b8f36c97c35b7c622732b38a189ce18f7/src/windows-hardening/windows-local-privilege-escalation/privilege-escalation-with-autorun-binaries.md author: Florian Roth (Nextron Systems), Markus Neis, Sander Wiebing, Swachchhanda Shrawan Poudel (Nextron Systems) date: 2018-08-25 modified: 2025-10-06 tags: - attack.privilege-escalation - attack.persistence - attack.t1547.001 logsource: category: registry_set product: windows detection: selection_target: TargetObject|contains: - \Software\Microsoft\Windows\CurrentVersion\Run - \Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run - \Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run selection_suspicious_paths_1: Details|contains: - :\Perflogs - :\ProgramData' - :\Windows\Temp - :\Temp - \AppData\Local\Temp - \AppData\Roaming - :\$Recycle.bin - :\Users\Default - :\Users\public - '%temp%' - '%tmp%' - '%Public%' - '%AppData%' selection_suspicious_paths_user_1: Details|contains: :\Users\ selection_suspicious_paths_user_2: Details|contains: - \Favorites - \Favourites - \Contacts - \Music - \Pictures - \Documents - \Photos filter_main_windows_update: TargetObject|contains: \Microsoft\Windows\CurrentVersion\RunOnce\ Image|startswith: C:\Windows\SoftwareDistribution\Download\ Details|contains|all: - 'rundll32.exe ' - C:\WINDOWS\system32\advpack.dll,DelNodeRunDLL32 Details|contains: - \AppData\Local\Temp\ - C:\Windows\Temp\ filter_optional_spotify: Image|endswith: - C:\Program Files\Spotify\Spotify.exe - C:\Program Files (x86)\Spotify\Spotify.exe - \AppData\Roaming\Spotify\Spotify.exe TargetObject|endswith: SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Spotify Details|endswith: Spotify.exe --autostart --minimized condition: selection_target and (selection_suspicious_paths_1 or (all of selection_suspicious_paths_user_* )) and not 1 of filter_main_* and not 1 of filter_optional_* falsepositives: - Software using weird folders for updates level: high
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