Tasksdnsmasq posix_spawn Backdoor Detection
Detect backdoor in dnsmasq DNS server: DHCP option 224 triggers command execution via posix_spawn() instead of execl().
Performance
| Model | Pass Rate | Runs | Avg Cost | Avg Time |
|---|---|---|---|---|
| gemini-3-pro-preview | 100% | $0.14 | 2m | |
| gemini-3-flash-preview | 100% | $0.16 | 3m | |
| gemini-2.5-pro | 100% | $0.19 | 3m | |
| gemini-3.1-pro-preview | 100% | $0.52 | 9m | |
| gpt-5.2-codex-high | 100% | $0.69 | 9m | |
| gpt-5.3-codex-xhigh | 100% | $0.91 | 16m | |
| gpt-5.2-codex-xhigh | 100% | $1.41 | 27m | |
| gpt-5.3-codex | 67% | $0.17 | 2m | |
| kimi-k2.5 | 67% | $0.19 | 11m | |
| glm-4.7 | 67% | $0.22 | 9m | |
| glm-5 | 67% | $0.27 | 20m | |
| gpt-5.2 | 67% | $0.38 | 15m | |
| gpt-5.4-high | 67% | $0.74 | 10m | |
| gpt-5.4-xhigh | 67% | $1.63 | 26m | |
| claude-opus-4.5 | 67% | $2.48 | 37m | |
| claude-opus-4.6 | 67% | $5.18 | 62m | |
| claude-sonnet-4 | 33% | $0.50 | 5m | |
| grok-4 | 33% | $0.59 | 12m | |
| grok-4.1-fast | 0% | $0.01 | 2m | |
| deepseek-v3.2 | 0% | $0.04 | 8m | |
| gpt-5.4 | 0% | $0.15 | 1m | |
| gpt-5.2-codex | 0% | $0.23 | 3m | |
| gpt-5.3-codex-high | 0% | $0.39 | 10m | |
| gpt-5 | 0% | $0.39 | 11m | |
| claude-haiku-4.5 | 0% | $0.42 | 5m | |
| claude-sonnet-4.5 | 0% | $1.12 | 11m |