InfraGuard

Detection rule: Reassembly Overlap

Segments with differing content overlapping the same offset.

CriticalTCP Stream IntegritySuricata

What it detects

Segments with differing content overlapping the same offset.

Why it fires

A classic evasion exploiting reassembly ambiguity to fool IDS/endpoints.

Worst case

Payload hiding · evasion

Matching signatures

reassembly overlapoverlap with different

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