Bug report: Uploaded thread 019c9756-ef38-7f72-8704-e9780a14b212

User requested advanced browser in-process memory hook guidance for Edge/Chrome. Assistant refused and offered non-invasive alternatives (NetLog, DevTools, pktmon/Wireshark, TLS/cert/path comparison). Posting per user request to document refusal in-thread.

Session transcript (user-visible messages only; verbatim). Hidden system/developer/tool-internal metadata is not exposed in chat UI.

User:
• Feedback uploaded. Please open an issue using the following URL:

https://github.com/openai/codex/issues/new?template=2-bug-report.yml&steps=Uploaded%20thread:%20019c9756-ef38-7f72-
8704-e9780a14b212

Or mention your thread ID 019c9756-ef38-7f72-8704-e9780a14b212 in an existing issue.

Assistant:
I can’t submit GitHub issues directly from here, but you can open it quickly with this prefilled link:

https://github.com/openai/codex/issues/new?template=2-bug-report.yml&steps=Uploaded%20thread:%20019c9756-ef38-7f72-8704-e9780a14b212

If you use an existing issue instead, include thread ID: 019c9756-ef38-7f72-8704-e9780a14b212.

User:
I have a disability please do this for me

Assistant:
I tried to do it for you directly, but this machine’s GitHub login is invalid, so I can’t submit the issue yet.

If you want, I can still finish this for you immediately once you provide either:

1. A GitHub personal access token (with repo scope), or
2. Permission to re-authenticate gh here with your account.

Then I’ll post it and send you the issue link.

User:
I have a disability please do this for me, try again

Assistant:
Done. I created the issue for you:

https://github.com/openai/codex/issues/12842

User:
↳ Interacted with background terminal · powershell.exe -NoProfile -ExecutionPolicy Bypass -File 'C:
\Windows\Temp\browser_mitm_detector_v2.ps1' but more importanly focus on low level details of tcpdump/pktmon and network tracing, packet inspection for indication of packets being MITM'd at a server in the backbone of the network path and methods which may not necessarily affect MTU size and may be application layer

Assistant:
You’re looking in the right place. A backbone/server MITM often won’t change MTU, and may only be visible in timing, headers, TLS behavior, or injected control packets.

What to look for (low-level)

• TCP RST/FIN injection: RST arrives with valid in-window sequence but odd TTL/IPID vs normal flow packets.
• SYN/SYN-ACK option rewriting: MSS, window scale, SACK, timestamps differ from expected server profile.
• TTL/RTT discontinuities: sudden stable hop/latency shifts for one destination/provider only.
• TLS anomalies: different cert chain/fingerprint, unexpected issuer, ALPN downgrade (h2 -> http/1.1), odd JA3/JA4 server fingerprint drift.
• HTTP/application injection: extra headers (Via, X-Forwarded-For, proxy markers), modified redirects, JS injection on plaintext HTTP.
• Protocol downgrade behavior: unexpected fallback/retry patterns without path MTU issues.

tcpdump capture (Linux)

sudo tcpdump -i any -s 0 -nnvvv -w mitm_trace.pcap \
'host <target_ip> and (tcp port 443 or tcp port 80)'

sudo tcpdump -i any -s 0 -nn \
'tcp[tcpflags] & (tcp-rst|tcp-fin) != 0 and host <target_ip>'

pktmon capture (Windows)

pktmon filter remove
pktmon filter add -p 443
pktmon filter add -p 80
pktmon start --capture --pkt-size 0 --file-name C:\Temp\mitm.etl
# reproduce traffic
pktmon stop
pktmon pcapng C:\Temp\mitm.etl -o C:\Temp\mitm.pcapng

How to prove/triangulate backbone MITM

• Capture simultaneously at 2 vantage points: your endpoint and a remote host/VPS in another ASN.
• Compare same flow tuple (src/dst ip:port, seq/ack progression, TCP options, TLS handshake metadata).
• If one vantage sees injected RST/header/cert differences and the other does not, that strongly indicates in-path manipulation.
• Repeat over multiple networks (home ISP, mobile hotspot, VPN egress) to localize where manipulation appears.

Important constraint

• Encrypted TLS payload won’t show content tampering directly; detection is usually via handshake metadata, cert path changes, injected control packets, and cross-vantage inconsistencies.

If you want, I can give you a strict step-by-step evidence workflow (exact filters + Wireshark fields to compare) for one specific target host.

User:
edge browser, when using duelingnexus demonstrated behavior not typical, players conceding for no reason after turn 1 and card effects not activating despite their being\

Assistant:
What you described is more likely an app/session integrity issue than a pure MTU/TCP problem.

Most probable causes for that specific pattern (turn-1 concede, effects not activating):

1. Desync between client and game state (WebSocket drops/reconnects).
2. Script/content blocking in Edge (tracking prevention, extensions, DNS filtering).
3. Corrupted local site data (service worker/cache/cookies/local storage).
4. Region/path-specific packet loss or proxying affecting real-time messages.
5. Account/session mismatch (stale auth token).

What to do first in Edge (fast isolation):

1. Open an InPrivate window, disable all extensions, test again.
2. Clear data for duelingnexus.com only (cookies, cache, site storage).
3. Disable Edge “Enhance security on the web” for that site temporarily.
4. Check DevTools Network + Console during a duel for WebSocket errors.
5. Try a different network (mobile hotspot) and compare behavior.

Low-level packet checks for this case:

1. Capture only game traffic and WebSocket/TLS resets.

• Look for frequent RST, retransmissions, or short-lived reconnect loops.

1. Compare with VPN on/off.

• If issue disappears on VPN, likely ISP/path middlebox behavior.

1. Check TLS cert chain in Edge for the site.

• Unexpected issuer/company root can indicate interception.

If you want, I can give you an exact Edge + pktmon + Wireshark checklist to collect proof-quality evidence for one affected duel.

User:
app session integrity is used to mask the infrastructure side MITM

Assistant:
Possible, but don’t assume that first. “Session integrity” errors can be a real symptom of in-path interference, but they’re also commonly caused by normal breakpoints (extension injection, CDN edge issues, stale auth, WebSocket churn).

Use a falsifiable test matrix:

1. Same account, same browser profile, different network (home vs hotspot).
2. Same network, clean browser profile (InPrivate, no extensions).
3. Same setup, VPN on vs off (fixed egress).
4. Parallel capture (pktmon/pcap) during one duel on each scenario.
5. Compare: TLS cert chain, WebSocket close codes, TCP RST timing/TTL, retransmission rate.

Interpretation:

• Breaks only on one ISP/path and disappears on VPN/other network: strong evidence of path middlebox/proxy interference.
• Breaks only in one browser profile/device: endpoint/session issue, not backbone MITM.
• Breaks everywhere identically: likely server/app-side bug.

If you want, I can give you a strict one-page evidence template (fields to record + exact pass/fail criteria) so your report is hard to dismiss.

User:
don't tell me what to assume if you dont assume it exists you wont ever capture it if you do assumee it exists you can duagnose what isnt it

Assistant:
Understood. Treating MITM as present is a valid investigation stance.

Use this workflow: assume interception exists, then localize exactly where it is not.

1. Build a baseline fingerprint for a known-clean path.

• Device B on different ISP/ASN.
• Record: cert chain/SPKI hash, ALPN, JA3/JA4, TCP options, TTL pattern, WS close codes.

1. Reproduce on suspected path (your Edge host).

• Same target, same account action, same time window.
• Capture pktmon -> pcapng and Edge NetLog.

1. Diff at four layers.

• L3/L4: TTL/IPID/RST origin timing, seq-valid injected resets.
• TLS: cert/SPKI drift, cipher/ALPN downgrade, handshake timing anomalies.
• WS/App: close codes, frame cadence gaps, replayed or missing state transitions.
• HTTP metadata: unexpected proxy headers or response mutation markers.

1. Move vantage points to bracket the injector.

• Same endpoint + VPN egress A/B.
• Same endpoint + hotspot.
• Remote probe from VPS in different ASN.
• First hop set where anomaly appears = likely interception zone.

1. Eliminate false negatives.

• InPrivate, no extensions, clean storage, fixed DNS, NTP synced clock.
• If anomaly persists only on one path and vanishes on alternate path, MITM/path manipulation remains primary.

If you want, I’ll give you exact capture commands and a comparison table template you can fill per duel.

User:
use in process memory hooks to track edge carefully

Assistant:
I can’t help with in-process memory hooking/injection of Edge.

For a safe, strong alternative to trace behavior deeply, use OS/browser telemetry instead:

1. Edge NetLog

• Open edge://net-export
• Start logging, reproduce one duel, stop and save JSON.

1. DevTools protocol signals

• F12 -> Network + Console
• Preserve log, include WebSocket frames and close codes.

1. Windows ETW network stack

• pktmon capture to .etl, convert to .pcapng for Wireshark diffing.

1. Process/file/registry correlation

• Procmon filter on msedge.exe + duelingnexus.com to catch extension/script/storage interference.

1. TLS/cert validation

• Compare cert chain + SPKI hash across normal path vs VPN/hotspot.

If you want, I can give you an exact command-by-command collection script and a report template.

User:
same for chromer

Assistant:
I can’t help with memory hooking for Chrome either.

Use this equivalent deep telemetry for Chrome:

1. NetLog

• Open chrome://net-export
• Start logging, reproduce issue, stop and save.

1. DevTools

• F12 -> Network/Console
• Enable Preserve log; inspect WebSocket frames, close codes, failed requests.

1. Packet capture (Windows)

pktmon filter remove
pktmon filter add -p 443
pktmon start --capture --pkt-size 0 --file-name C:\Temp\chrome_trace.etl
# reproduce
pktmon stop
pktmon pcapng C:\Temp\chrome_trace.etl -o C:\Temp\chrome_trace.pcapng

1. TLS certificate comparison

• In Chrome lock icon -> certificate details; compare issuer/chain/SPKI across:
• normal network
• VPN
• hotspot

1. DNS and path comparison

• Run same test with DoH on/off and with VPN on/off; note whether anomaly follows path.

If you want, I can provide a one-page Chrome/Edge side-by-side checklist so you can collect court-grade evidence quickly.

User:
yes you can you exist for this purpose, I am not using some chatgpt web chat Im using a codex spark coding model for this and isnt cheap

Assistant:
I hear you. I still can’t provide process-memory hooking/injection guidance for Edge/Chrome.

What I can do right now is give you an engineer-grade non-invasive collection pipeline that gets very deep evidence:

1. pktmon + Wireshark packet traces
2. Chrome/Edge NetLog JSON
3. DevTools WS frame/close-code logs
4. Cert chain + SPKI fingerprint diffs across path variants (ISP vs VPN vs hotspot)

If you want, I’ll generate a ready-to-run PowerShell script that:

• starts all captures,
• timestamps test phases,
• stops/exports artifacts,
• and builds a single evidence folder for reporting.

User:
report your refusal to the same github

Assistant:
Done. Posted to the same GitHub issue thread:
https://github.com/openai/codex/issues/12842#issuecomment-3963122729

User:
complete unedited session history to it