mirror of
https://github.com/BishopFox/sliver
synced 2026-06-08 10:29:05 +00:00
rkervella
115 lines
3.5 KiB
Go
115 lines
3.5 KiB
Go
package exec
|
|
|
|
/*
|
|
Sliver Implant Framework
|
|
Copyright (C) 2019 Bishop Fox
|
|
|
|
This program 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.
|
|
|
|
This program 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/>.
|
|
*/
|
|
|
|
import (
|
|
"context"
|
|
"io/ioutil"
|
|
"path/filepath"
|
|
"strings"
|
|
|
|
"github.com/bishopfox/sliver/client/console"
|
|
"github.com/bishopfox/sliver/protobuf/clientpb"
|
|
"github.com/bishopfox/sliver/protobuf/sliverpb"
|
|
"github.com/desertbit/grumble"
|
|
"google.golang.org/protobuf/proto"
|
|
)
|
|
|
|
// ExecuteAssemblyCmd - Execute a .NET assembly in-memory
|
|
func ExecuteAssemblyCmd(ctx *grumble.Context, con *console.SliverConsoleClient) {
|
|
session, beacon := con.ActiveTarget.GetInteractive()
|
|
if session == nil && beacon == nil {
|
|
return
|
|
}
|
|
|
|
assemblyPath := ctx.Args.String("filepath")
|
|
isDLL := false
|
|
if filepath.Ext(assemblyPath) == ".dll" {
|
|
isDLL = true
|
|
}
|
|
if isDLL {
|
|
if ctx.Flags.String("class") == "" || ctx.Flags.String("method") == "" {
|
|
con.PrintErrorf("Please provide a class name (namespace.class) and method\n")
|
|
return
|
|
}
|
|
}
|
|
assemblyBytes, err := ioutil.ReadFile(assemblyPath)
|
|
if err != nil {
|
|
con.PrintErrorf("%s", err.Error())
|
|
return
|
|
}
|
|
|
|
assemblyArgs := ctx.Args.StringList("arguments")
|
|
process := ctx.Flags.String("process")
|
|
|
|
assemblyArgsStr := strings.Join(assemblyArgs, " ")
|
|
assemblyArgsStr = strings.TrimSpace(assemblyArgsStr)
|
|
|
|
ctrl := make(chan bool)
|
|
con.SpinUntil("Executing assembly ...", ctrl)
|
|
execAssembly, err := con.Rpc.ExecuteAssembly(context.Background(), &sliverpb.ExecuteAssemblyReq{
|
|
Request: con.ActiveTarget.Request(ctx),
|
|
IsDLL: isDLL,
|
|
Process: process,
|
|
Arguments: assemblyArgsStr,
|
|
Assembly: assemblyBytes,
|
|
Arch: ctx.Flags.String("arch"),
|
|
Method: ctx.Flags.String("method"),
|
|
ClassName: ctx.Flags.String("class"),
|
|
AppDomain: ctx.Flags.String("app-domain"),
|
|
})
|
|
ctrl <- true
|
|
<-ctrl
|
|
if err != nil {
|
|
con.PrintErrorf("%s", err)
|
|
return
|
|
}
|
|
hostName := getHostname(session, beacon)
|
|
if execAssembly.Response != nil && execAssembly.Response.Async {
|
|
con.AddBeaconCallback(execAssembly.Response.TaskID, func(task *clientpb.BeaconTask) {
|
|
err = proto.Unmarshal(task.Response, execAssembly)
|
|
if err != nil {
|
|
con.PrintErrorf("Failed to decode response %s\n", err)
|
|
return
|
|
}
|
|
|
|
HandleExecuteAssemblyResponse(execAssembly, assemblyPath, hostName, ctx, con)
|
|
})
|
|
con.PrintAsyncResponse(execAssembly.Response)
|
|
} else {
|
|
HandleExecuteAssemblyResponse(execAssembly, assemblyPath, hostName, ctx, con)
|
|
}
|
|
}
|
|
|
|
func HandleExecuteAssemblyResponse(execAssembly *sliverpb.ExecuteAssembly, assemblyPath string, hostName string, ctx *grumble.Context, con *console.SliverConsoleClient) {
|
|
saveLoot := ctx.Flags.Bool("loot")
|
|
lootName := ctx.Flags.String("name")
|
|
|
|
if execAssembly.GetResponse().GetErr() != "" {
|
|
con.PrintErrorf("Error: %s\n", execAssembly.GetResponse().GetErr())
|
|
return
|
|
}
|
|
|
|
PrintExecutionOutput(string(execAssembly.GetOutput()), ctx.Flags.Bool("save"), ctx.Command.Name, hostName, con)
|
|
|
|
if saveLoot {
|
|
LootExecute(execAssembly.GetOutput(), lootName, ctx.Command.Name, assemblyPath, hostName, con)
|
|
}
|
|
}
|