LOLBAS/yml/OSBinaries/At.yml
frack113 4f83231697
Update old sigma link (#303)
* Update SigmaHQ ref

Signed-off-by: frack113 <62423083+frack113@users.noreply.github.com>

* Update SigmaHQ ref

Signed-off-by: frack113 <62423083+frack113@users.noreply.github.com>

* Update SigmaHq ref

Signed-off-by: frack113 <62423083+frack113@users.noreply.github.com>

* Update SigmaHq ref

Signed-off-by: frack113 <62423083+frack113@users.noreply.github.com>

---------

Signed-off-by: frack113 <62423083+frack113@users.noreply.github.com>
2023-10-18 11:30:34 -04:00

37 lines
1.7 KiB
YAML

---
Name: At.exe
Description: Schedule periodic tasks
Author: 'Freddie Barr-Smith'
Created: 2019-09-20
Commands:
- Command: C:\Windows\System32\at.exe 09:00 /interactive /every:m,t,w,th,f,s,su C:\Windows\System32\revshell.exe
Description: Create a recurring task to execute every day at a specific time.
Usecase: Create a recurring task, to eg. to keep reverse shell session(s) alive
Category: Execute
Privileges: Local Admin
MitreID: T1053.002
OperatingSystem: Windows 7 or older
Full_Path:
- Path: C:\WINDOWS\System32\At.exe
- Path: C:\WINDOWS\SysWOW64\At.exe
Detection:
- Sigma: https://github.com/SigmaHQ/sigma/blob/62d4fd26b05f4d81973e7c8e80d7c1a0c6a29d0e/rules/windows/process_creation/proc_creation_win_at_interactive_execution.yml
- Sigma: https://github.com/SigmaHQ/sigma/blob/62d4fd26b05f4d81973e7c8e80d7c1a0c6a29d0e/rules/network/zeek/zeek_smb_converted_win_atsvc_task.yml
- Sigma: https://github.com/SigmaHQ/sigma/blob/62d4fd26b05f4d81973e7c8e80d7c1a0c6a29d0e/rules/windows/builtin/security/win_security_atsvc_task.yml
- IOC: C:\Windows\System32\Tasks\At1 (substitute 1 with subsequent number of at job)
- IOC: C:\Windows\Tasks\At1.job
- IOC: Registry Key - Microsoft\Windows NT\CurrentVersion\Schedule\TaskCache\Tree\At1.
Resources:
- Link: https://freddiebarrsmith.com/at.txt
- Link: https://sushant747.gitbooks.io/total-oscp-guide/privilege_escalation_windows.html
- Link: https://www.secureworks.com/blog/where-you-at-indicators-of-lateral-movement-using-at-exe-on-windows-7-systems
Acknowledgement:
- Person: 'Freddie Barr-Smith'
Handle:
- Person: 'Riccardo Spolaor'
Handle:
- Person: 'Mariano Graziano'
Handle:
- Person: 'Xabier Ugarte-Pedrero'
Handle: