mirror of
https://github.com/MrAle98/sliver
synced 2026-06-08 11:54:46 +00:00
moloch--
112 lines
2.6 KiB
Go
112 lines
2.6 KiB
Go
package command
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/*
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Sliver Implant Framework
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Copyright (C) 2019 Bishop Fox
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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import (
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"fmt"
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"io"
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"log"
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"os"
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"github.com/bishopfox/sliver/client/core"
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"github.com/bishopfox/sliver/protobuf/sliverpb"
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"github.com/desertbit/grumble"
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"github.com/golang/protobuf/proto"
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"golang.org/x/crypto/ssh/terminal"
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)
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const (
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windows = "windows"
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)
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func shell(ctx *grumble.Context, server *core.SliverServer) {
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if ActiveSliver.Sliver == nil {
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fmt.Printf(Warn + "Please select an active sliver via `use`\n")
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return
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}
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if !isUserAnAdult() {
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return
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}
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shellPath := ctx.Flags.String("shell-path")
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noPty := ctx.Flags.Bool("no-pty")
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if ActiveSliver.Sliver.OS == windows {
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noPty = true // Windows of course doesn't have PTYs
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}
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runInteractive(shellPath, noPty, server)
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}
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func runInteractive(shellPath string, noPty bool, server *core.SliverServer) {
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fmt.Printf(Info + "Opening shell tunnel (EOF to exit) ...\n\n")
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tunnel, err := server.CreateTunnel(ActiveSliver.Sliver.ID, defaultTimeout)
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if err != nil {
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log.Printf(Warn+"%s", err)
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return
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}
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shellReqData, _ := proto.Marshal(&sliverpb.ShellReq{
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SliverID: ActiveSliver.Sliver.ID,
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EnablePTY: !noPty,
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TunnelID: tunnel.ID,
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Path: shellPath,
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})
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resp := <-server.RPC(&sliverpb.Envelope{
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Type: sliverpb.MsgShellReq,
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Data: shellReqData,
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}, defaultTimeout)
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if resp.Err != "" {
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fmt.Printf(Warn+"Error: %s", resp.Err)
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return
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}
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var oldState *terminal.State
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if !noPty {
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oldState, err = terminal.MakeRaw(0)
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log.Printf("Saving terminal state: %v", oldState)
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if err != nil {
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fmt.Printf(Warn + "Failed to save terminal state")
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return
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}
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}
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go func() {
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_, err := io.Copy(os.Stdout, tunnel)
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if err != nil {
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fmt.Printf(Warn+"error write stdout: %v", err)
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return
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}
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}()
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for {
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_, err := io.Copy(tunnel, os.Stdin)
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if err == io.EOF {
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break
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}
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if err != nil {
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fmt.Printf(Warn+"error read stdin: %v", err)
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break
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}
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}
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if !noPty {
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terminal.Restore(0, oldState)
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}
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}
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