proto/exfil.proto · contraband | Shehzade Portfolio

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Multi-protocol network egress assessment and DLP verification framework featuring automated L4 sweeps, corporate proxy traversal, and covert protocol smuggling across 20+ channels.

$ git clone https://shehzade.io/repos/contraband.git Copy

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1	syntax = "proto3";
2
3	package contraband;
4	option go_package = "github.com/shehzade/contraband/proto;proto";
5
6	service ExfilService {
7	rpc UploadChunk(ChunkRequest) returns (ChunkResponse);
8	rpc UploadStream(stream ChunkRequest) returns (ChunkResponse);
9	}
10
11	message ChunkRequest {
12	bytes token = 1; // 16-byte session token
13	uint32 sequence = 2; // Chunk sequence number (1-based)
14	uint32 total_chunks = 3; // Total chunk count
15	bytes payload = 4; // Chunk binary payload
16	string expected_hash = 5; // Expected SHA-256 hash of complete stream
17	}
18
19	message ChunkResponse {
20	bool success = 1;
21	string session_id = 2;
22	int64 total_bytes = 3;
23	string payload_hash = 4;
24	string verdict = 5; // e.g. "EXFIL_SUCCESS"
25	string error_message = 6;
26	}

syntax = "proto3";

package contraband;
option go_package = "github.com/shehzade/contraband/proto;proto";

service ExfilService {
  rpc UploadChunk(ChunkRequest) returns (ChunkResponse);
  rpc UploadStream(stream ChunkRequest) returns (ChunkResponse);
}

message ChunkRequest {
  bytes token = 1;          // 16-byte session token
  uint32 sequence = 2;      // Chunk sequence number (1-based)
  uint32 total_chunks = 3;  // Total chunk count
  bytes payload = 4;        // Chunk binary payload
  string expected_hash = 5; // Expected SHA-256 hash of complete stream
}

message ChunkResponse {
  bool success = 1;
  string session_id = 2;
  int64 total_bytes = 3;
  string payload_hash = 4;
  string verdict = 5;       // e.g. "EXFIL_SUCCESS"
  string error_message = 6;
}