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needMoreFirmware
n00b
Joined: 21 Mar 2018
Posts: 21
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 Posted: Sat Apr 28, 2018 4:09 am Post subject: [solved] compile24 and compile40 processes |
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I just checked my running processes in htop, and I noticed two strange processes that I'd never seen before, compile40 and compile26 (can't actually recall if it was 26 or 24), I worried more when I noticed they were taking a good percentage of my CPU usage, from 30% jumping to 100%, I checked if I was emerging something (since the name of the processes hinted that), but not at all, I then killed the processes.
I have looked up the names but I've got 0 results, anyone knows what this could be?, I'm seriously considering the possibility that my system could be compromised, even though it wouldn't make much sense since it's only been a week since I installed it (for the second time since I accidentally deleted my root partition before) and I haven't been running anything questionable, nothing wine, just sandboxed discord, sandboxed firefox (blocking most scripts) and a torrent client and I am very finicky about security, I hope someone knows what this is and if it's normal.
Last edited by needMoreFirmware on Sat Apr 28, 2018 4:35 am; edited 2 times in total |
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needMoreFirmware
n00b
Joined: 21 Mar 2018
Posts: 21
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| Posted: Sat Apr 28, 2018 4:27 am Post subject: |
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Uhhh, well this is embarrasing, I figured it out, hours ago I was learning go and I was goin through gotour, and apparently I made a bad program in the rot13 exercise, which I ran multiple times, little did I know it was actually infine looping, and compileXX are probably just the names gotour gives to the executables, here's the code (which is probably pretty bad) if anyone's curious:
| Code: | package main
import (
"io"
"os"
"strings"
)
type rot13Reader struct {
r io.Reader
}
func rot13(c byte) byte {
if c >= 'a' && c <= 'z' {
c += 13
if c > 'z' {
c = ('a'-1) + (c - 'z')
}
} else if c >= 'A' && c <= 'Z' {
c += 13
if c > 'Z' {
c = ('A'-1) + (c - 'Z')
}
}
return c
}
func (r rot13Reader) Read(b []byte) (int, error) {
var tb []byte
var i int
tb = make([]byte, 1)
for i = 0; i < len(b); i++ {
_, e := r.r.Read(tb)
if e == io.EOF {
break
}
b[i] = rot13(tb[0])
}
return i, nil
}
func main() {
s := strings.NewReader("Lbh penpxrq gur pbqr!")
r := rot13Reader{s}
io.Copy(os.Stdout, &r)
}
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It genuinely just hit me right after making the post, haha, fun fact I still don't know why it goes into an infinite loop. Please don't spread. |
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