1.4.3 version fails to generate implant in service format, rpc error: code = Unknown, garble errors in the log

[hippich]

Trying to generate service binary, getting rpc error in the console, and garble errors in the log:

sliver > generate --http example.com --format service

[*] Generating new windows/amd64 implant binary
[*] Symbol obfuscation is enabled.
[*] This process can take awhile, and consumes significant amounts of CPU/Memory
[!] rpc error: code = Unknown desc = open /root/.sliver/slivers/windows/amd64/BRIGHT_GOBBLER/bin/BRIGHT_GOBBLER.exe: no such file or directory

INFO[2021-03-11T22:53:22-05:00] [sliver/server/generate/binaries.go:582] Created /root/.sliver/slivers/windows/amd64/BRIGHT_GOBBLER/src/github.com/bishopfox/sliver/go.mod 
INFO[2021-03-11T22:53:22-05:00] [sliver/server/gogo/go.go:196] go cmd: '/root/.sliver/go/bin/go mod tidy' 
INFO[2021-03-11T22:53:22-05:00] [sliver/server/gogo/go.go:157] garble cmd: '/root/.sliver/go/bin/garble -literals -tiny -seed=20f371eb0e7a6847c8b36785fcbf99352e9a88b7e2babf9c802ce061abbaf5bc build -trimpath -tags netgo -ldflags -s -w -buildid= -H=windowsgui -o /root/.sliver/slivers/windows/amd64/BRIGHT_GOBBLER/bin/BRIGHT_GOBBLER.exe .' 
INFO[2021-03-11T22:54:42-05:00] [sliver/server/gogo/go.go:160] --- env ---   
INFO[2021-03-11T22:54:42-05:00] [sliver/server/gogo/go.go:162] CC=           
INFO[2021-03-11T22:54:42-05:00] [sliver/server/gogo/go.go:162] CGO_ENABLED=0 
INFO[2021-03-11T22:54:42-05:00] [sliver/server/gogo/go.go:162] GOOS=windows  
INFO[2021-03-11T22:54:42-05:00] [sliver/server/gogo/go.go:162] GOARCH=amd64  
INFO[2021-03-11T22:54:42-05:00] [sliver/server/gogo/go.go:162] GOPATH=/root/.sliver/slivers/windows/amd64/BRIGHT_GOBBLER 
INFO[2021-03-11T22:54:42-05:00] [sliver/server/gogo/go.go:162] GOCACHE=/root/.sliver/go/cache 
INFO[2021-03-11T22:54:42-05:00] [sliver/server/gogo/go.go:162] GOMODCACHE=/root/.sliver/go/modcache 
INFO[2021-03-11T22:54:42-05:00] [sliver/server/gogo/go.go:162] GOPRIVATE=github.com/*,golang.org/* 
INFO[2021-03-11T22:54:42-05:00] [sliver/server/gogo/go.go:162] PATH=/root/.sliver/go/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin 
INFO[2021-03-11T22:54:42-05:00] [sliver/server/gogo/go.go:164] --- stdout ---
 
INFO[2021-03-11T22:54:42-05:00] [sliver/server/gogo/go.go:165] --- stderr ---
# github.com/bishopfox/sliver
eMg_6MU4.servicemain: relocation target eMg_6MU4.sArgc not defined
eMg_6MU4.servicemain: relocation target eMg_6MU4.sArgv not defined
eMg_6MU4.servicemain: relocation target eMg_6MU4.sName not defined
eMg_6MU4.servicemain: relocation target eMg_6MU4.cRegisterServiceCtrlHandlerExW not defined
eMg_6MU4.servicemain: relocation target eMg_6MU4.ssHandle not defined
eMg_6MU4.servicemain: relocation target eMg_6MU4.goWaitsH not defined
eMg_6MU4.servicemain: relocation target eMg_6MU4.cSetEvent not defined
eMg_6MU4.servicemain: relocation target eMg_6MU4.cWaitsH not defined
eMg_6MU4.servicemain: relocation target eMg_6MU4.cWaitForSingleObject not defined
eMg_6MU4.servicectlhandler: relocation target eMg_6MU4.ctlHandlerExProc not defined
exit status 2
exit status 2
 
INFO[2021-03-11T22:54:42-05:00] [sliver/server/gogo/go.go:166] exit status 1 
ERRO[2021-03-11T22:54:42-05:00] [sliver/server/generate/binaries.go:389] Failed to save build: open /root/.sliver/slivers/windows/amd64/BRIGHT_GOBBLER/bin/BRIGHT_GOBBLER.exe: no such file or directory 
ERRO[2021-03-11T22:54:42-05:00] [github.com/grpc-ecosystem/[email protected]/logging/logrus/options.go:215] finished unary call with code Unknown

To Reproduce
Steps to reproduce the behavior:

1. generate --http example.com --format service
2. See error

Expected behavior
Should generate .exe file with service code in it.

Desktop (please complete the following information):

• OS: Ubuntu
• Version 20.04

[moloch--]

@rkervella we should add service builds to the unit tests too.

[rkervella]

Agreed, my thoughts when I saw this issue.

[rkervella]

@hippich the current workaround is to disable symbol obfuscation (with --skip-symbols). We'll look into it, but it's probably related to garble.

[rkervella]

This issue is solved by upstream garble, so we'll want to update our version (I tested with an up to date garble build yesterday).

[moloch--]

I can take care of that.

[moloch--]

Fixed in v1.4.4

[hippich]

Seems to work, thank you so much!!