CBlockListen (0x0D)
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CBlockListen is client-to-server action 0x0D in the 4.21 protocol.
Direction: client to server
Encrypted: Yes. See Sequence and XOR Transformation.
Payload offsets begin with the first byte after the action. The frame marker, frame length, action, sequence, and trailing zero are excluded.
Payload format
| Offset | Width | Field | Established meaning |
|---|---|---|---|
0x00 | payload_length | unknown_00 | Payload bytes whose field boundaries are not yet mapped. |
Queue call sites
| Queue call | Containing IDA function | Function address |
|---|---|---|
Darkages.exe:0x004C1691 | sub_4C1654 | Darkages.exe:0x004C1654 |
Darkages.exe:0x004C1956 | sub_4C18A4 | Darkages.exe:0x004C18A4 |
Darkages.exe:0x004C1A66 | sub_4C19B4 | Darkages.exe:0x004C19B4 |
Schema status
The 4.21 client emits this action at the listed sites. The payload fields and client-side trigger still require tracing.