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Rule Database ( GID4 )
| ID | GID4 |
| Revision | 1 |
| Name | NopSled(requestLine) |
| Type | requestLine |
| Pattern | \x90{4} |
| Condition | match |
| Case Sensitive | no |
| Log | yes |
| Action | block |
| Command | %req% |
| Description | Triggers when a series of NOPs in HTTP request line is detected. ( exploit, shellcode, egg, x86, 0x90, 90909090, anomaly ) |
| Credit | Kanatoko |
| Signature |