Added GoVersion to version

Makefile

@@ -9,6 +9,7 @@ TAGS = -tags osusergo,netgo,sqlite_omit_load_extension
 #
 # Version Information
 #
+GO_VERSION = $(shell $(GO) version)
 VERSION = $(shell git describe --abbrev=0)
 COMPILED_AT = $(shell date +%s)
 RELEASES_URL = https://api.github.com/repos/BishopFox/sliver/releases
@@ -17,6 +18,7 @@ GIT_DIRTY = $(shell git diff --quiet|| echo 'Dirty')
 GIT_COMMIT = $(shell git rev-parse HEAD)
 LDFLAGS = -ldflags "-s -w \
 	-X $(PKG).Version=$(VERSION) \
+	-X \"$(PKG).GoVersion=$(GO_VERSION)\" \
 	-X $(PKG).CompiledAt=$(COMPILED_AT) \
 	-X $(PKG).GithubReleasesURL=$(RELEASES_URL) \
 	-X $(PKG).GitCommit=$(GIT_COMMIT) \

client/command/updates.go

@@ -156,7 +156,8 @@ func verboseVersions(ctx *grumble.Context, rpc rpcpb.SliverRPCClient) {
 
 	fmt.Printf(Info+"Client %s - %s/%s\n", clientVer, runtime.GOOS, runtime.GOARCH)
 	clientCompiledAt, _ := version.Compiled()
-	fmt.Printf("    Compiled at %s\n\n", clientCompiledAt)
+	fmt.Printf("    Compiled at %s\n", clientCompiledAt)
+	fmt.Printf("    Compiled with %s\n\n", version.GoVersion)
 
 	fmt.Println()
 	fmt.Printf(Info+"Server v%d.%d.%d - %s - %s/%s\n",

client/version/sliver-version.go

@@ -34,6 +34,9 @@ var (
 	// Version - The semantic version in string form
 	Version string
 
+	// GoVersion - Go compiler version
+	GoVersion string
+
 	// GitCommit - The commit id at compile time
 	GitCommit string