Taskslighttpd Obfuscated /proc Backdoor Detection
Detect backdoor in lighttpd web server: Range header triggers command execution via fork/exec with /bin/sh path built char-by-char to evade detection.
Performance
| Model | Pass Rate | Runs | Avg Cost | Avg Time |
|---|---|---|---|---|
| glm-4.7 | 33% | $0.36 | 18m | |
| gemini-3-flash-preview | 33% | $0.40 | 5m | |
| gemini-3-pro-preview | 33% | $0.79 | 8m | |
| claude-opus-4.6 | 33% | $9.56 | 79m | |
| grok-4.1-fast | 0% | $0.02 | 3m | |
| deepseek-v3.2 | 0% | $0.08 | 15m | |
| gpt-5.4 | 0% | $0.13 | 2m | |
| gpt-5.3-codex | 0% | $0.16 | 2m | |
| gpt-5.2-codex | 0% | $0.28 | 4m | |
| gpt-5.2 | 0% | $0.32 | 11m | |
| gpt-5 | 0% | $0.33 | 10m | |
| kimi-k2.5 | 0% | $0.36 | 29m | |
| gpt-5.3-codex-high | 0% | $0.40 | 8m | |
| claude-sonnet-4 | 0% | $0.47 | 4m | |
| claude-haiku-4.5 | 0% | $0.49 | 6m | |
| gemini-2.5-pro | 0% | $0.53 | 6m | |
| gpt-5.4-high | 0% | $0.56 | 7m | |
| grok-4 | 0% | $0.65 | 11m | |
| glm-5 | 0% | $0.81 | 42m | |
| gpt-5.3-codex-xhigh | 0% | $0.94 | 18m | |
| gpt-5.4-xhigh | 0% | $1.05 | 54m | |
| gpt-5.2-codex-high | 0% | $1.21 | 18m | |
| claude-sonnet-4.5 | 0% | $1.30 | 10m | |
| gemini-3.1-pro-preview | 0% | $1.79 | 29m | |
| gpt-5.2-codex-xhigh | 0% | $1.82 | 37m | |
| claude-opus-4.5 | 0% | $3.18 | 31m |