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list-virtual-machine-contributors.go
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list-virtual-machine-contributors.go
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// Copyright (C) 2022 Specter Ops, Inc.
//
// This file is part of AzureHound.
//
// AzureHound is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// AzureHound is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
package cmd
import (
"context"
"os"
"os/signal"
"time"
"github.com/bloodhoundad/azurehound/constants"
"github.com/bloodhoundad/azurehound/enums"
"github.com/bloodhoundad/azurehound/internal"
"github.com/bloodhoundad/azurehound/models"
"github.com/bloodhoundad/azurehound/pipeline"
"github.com/spf13/cobra"
)
func init() {
listRootCmd.AddCommand(listVirtualMachineContributorsCmd)
}
var listVirtualMachineContributorsCmd = &cobra.Command{
Use: "virtual-machine-contributors",
Long: "Lists Azure Virtual Machine Contributors",
Run: listVirtualMachineContributorsCmdImpl,
SilenceUsage: true,
}
func listVirtualMachineContributorsCmdImpl(cmd *cobra.Command, args []string) {
ctx, stop := signal.NotifyContext(cmd.Context(), os.Interrupt, os.Kill)
defer gracefulShutdown(stop)
log.V(1).Info("testing connections")
if err := testConnections(); err != nil {
exit(err)
} else if azClient, err := newAzureClient(); err != nil {
exit(err)
} else {
log.Info("collecting azure virtual machine contributors...")
start := time.Now()
subscriptions := listSubscriptions(ctx, azClient)
vms := listVirtualMachines(ctx, azClient, subscriptions)
vmRoleAssignments := listVirtualMachineRoleAssignments(ctx, azClient, vms)
stream := listVirtualMachineContributors(ctx, vmRoleAssignments)
outputStream(ctx, stream)
duration := time.Since(start)
log.Info("collection completed", "duration", duration.String())
}
}
func listVirtualMachineContributors(
ctx context.Context,
roleAssignments <-chan azureWrapper[models.VirtualMachineRoleAssignments],
) <-chan any {
return pipeline.Map(ctx.Done(), roleAssignments, func(ra azureWrapper[models.VirtualMachineRoleAssignments]) any {
filteredAssignments := internal.Filter(ra.Data.RoleAssignments, vmRoleAssignmentFilter(constants.ContributorRoleID))
contributors := internal.Map(filteredAssignments, func(ra models.VirtualMachineRoleAssignment) models.VirtualMachineContributor {
return models.VirtualMachineContributor{
VirtualMachineId: ra.VirtualMachineId,
Contributor: ra.RoleAssignment,
}
})
return NewAzureWrapper(enums.KindAZVMContributor, models.VirtualMachineContributors{
VirtualMachineId: ra.Data.VirtualMachineId,
Contributors: contributors,
})
})
}