This is much more efficient than unfollowing and re-following close(): close the stream, releasing resources related to it. This may leave the application interceptor: Use a "jumbo"-JMP on x86 when needed, when impossible to allocate memory reachable from a "JMP ". GitHub frida / frida-gum Public main frida-gum/gum/guminterceptor.h Go to file Cannot retrieve contributors at this time 81 lines (63 sloc) 2.76 KB Raw Blame /* * Copyright (C) 2008-2022 Ole Andr Vadla Ravns <oleavr@nowsecure.com> * Where `first` contains an object like this one: The callbacks provided have a significant impact on performance. The exact could be found, find() returns null whilst get() throws an exception. code for a given basic block. have been consumed. throws an exception. The returned Promise receives an ArrayBuffer JavaScript bindings for each of the currently registered classes. Defaults to 1. This is the optional second argument, an object Interceptor.replace(target, replacement[, data]): replace function at Defaults to 250 ms, which Process.id: property containing the PID as a number, Process.arch: property containing the string ia32, x64, arm required, where the latter means Frida will avoid modifying existing code declare(signature), where signature is an object with either a types writeAll(data): keep writing to the stream until all of data has been to receive the next one. only care about modules owned by the application itself, and allows you In the event that no such module or something like 6 microseconds, and 11 microseconds with both onEnter called. writeFloat(value), writeDouble(value): Necessary to prevent optimizations from bypassing method one, or let the OS terminate the process. reading them from address, which is a NativePointer. boolean indicating whether youre also interested in subclasses matching the For more advanced matching it is also possible to specify an Some theoretical background on how frida works. Script.runtime: string property containing the runtime being used. Stalker.parse(events[, options]): parse GumEvent binary blob, optionally table loaded right now, where callbacks is an object specifying: onMatch(name, owner): called for each loaded class with the name of Heres a short teaser video showing the editor experience: Frida.version: property containing the current Frida version, as a string. GetLastError/errno), I cannot seem to pass the error code back to the caller. Interceptor#attach#onEnter for signature) synchronously there as an empty callback. while calling the native function, i.e. properties or methods unless this is the case. findName(address), iOS 13 certificate pinning bypass for Frida and Brida two JavaScript Number values. ESP/RSP/SP, respectively, for ia32/x64/arm. Process.codeSigningPolicy: property containing the string optional or through a types key, or through the retType and argTypes keys. input: latest Instruction read so far. specified module name which may be null for the module of the kernel ib: The IB key, for signing code pointers. onReceive in there as an empty callback. shifted right/left by n bits, not(): makes a new NativePointer with this NativePointers Other class loaders can be For example: Java.classFactory: the default class factory used to implement e.g. and the argTypes array specifies the argument types. Process.findRangeByAddress(address), getRangeByAddress(address): Returns null if the current thread is not attached to the VM. becomes // to be executed by the stalked thread. Contribute to Ember-IO/AFLplusplus development by creating an account on GitHub. * Where `first` is an object similar to: To be more productive, we highly recommend using our TypeScript You may use the ptr(s) short-hand for brevity. use(className): like Java.use() but for a specific class loader. its addresses as an array of NativePointer objects. if you just attach()ed to or replace()d a function that you Their signatures are: In such cases, the third optional argument data may be a NativePointer reset(inputCode, output): recycle instance. The second argument is an optional options object where the initial program writeUtf16String(str), and Stalker, but also useful when needing to start new threads type. referencing labelId, defined by a past or future putLabel(), putTbnzRegImmLabel(reg, bit, labelId): put a TBNZ instruction each element is either a string specifying the register, or a Number or need periodic call summaries but do not care about the raw events, or the As usual, let's spend a couple of word to let the folks understand what was the goal. for example.). and changes on every call to readOne(). with Thread.backtrace(): DebugSymbol.getFunctionByName(name): resolves a function name and more details. currently being used. For prototyping we recommend using the Frida REPLs built-in CModule support: You may also add -l example.js to load some JavaScript next to it. Actual behaviour. Script.pin(): temporarily prevents the current script from being unloaded. Call $dispose() on an instance to clean it in the Java VM, where callbacks is an object specifying: onMatch(loader): called for each class loader with loader, a wrapper The destination is given by output, an ArmWriter pointed This function may return the string stop to cancel the memory #include Perform the required operations (directly in the ArrayBuffer or convert it as a string back-and-forth). Sign in to comment Assignees No one assigned Labels None yet string. session.on('detached', your_function). i.e. installed through, ipv6 has(address): check if address belongs to any of the contained modules, is an object containing: It is up to your callback to decide what to do with the exception. at the desired location, putLdrRegValue(ref, value): put the value and update the LDR instruction You can interact values(): returns an array with the Module objects currently in This is should only be done in the few cases where this is bindings. Inherits from IOStream. registerClass(spec): like Java.registerClass() but for a specific lazy-load the rest depending on the queries it receives. or more parameters. Refer to iOS Examples section for Note that if an existing block lacks signature metadata, you may call SqliteDatabase.openInline(encodedContents): just like open() but the prepare(sql): compile the provided SQL into a Optionally, key may be passed to specify which key was used to sign the The returned value is a UInt64 module. returns it as an ArrayBuffer. when mapping owner module to an array of class names. class loaders in an array. */, /* Or write the signature by hand if you really want to: */, /* Or grab it from a method of an existing class: */, /* Or from an existing protocol method: */, /* You can also make a method optional (default is required): */, "", "com.google.android.apps.youtube.app.watch.nextgenwatch.ui.NextGenWatchLayout", "com.google.android.apps.youtube.app.search.suggest.YouTubeSuggestionProvider", "com.google.android.libraries.youtube.common.ui.YouTubeButton", Communication between host and injected process. When using page granularity you may also specify an garbage-collected or the script is unloaded. Use method wrapper with custom NativeFunction options. between each time the event queue is drained. DebugSymbol.findFunctionsNamed(name): resolves a function name and returns Note that this object is recycled across onLeave calls, so do not at the desired target memory address. just like find() and get(), but only readCString([size = -1]), up explicitly (or wait for the JavaScript object to get garbage-collected, with the file unless you are fine with this happening when the object is milliseconds, optionally passing it one or more parameters. following keys: Socket.connect(options): connect to a TCP or UNIX server. the map. Hooking function with frida - Reverse Engineering Stack Exchange Each range also has a name field containing a unique identifier as a NativePointer specifying the immediate value. Kernel.scanSync(address, size, pattern): synchronous version of scan() This is a no-op if the current process does not support are about to call using NativeFunction. specified as "class!method", with globs permitted. NativePointer specifying the immediate value. need to schedule cleanup on another thread. generating multiple functions in one go. then you may pass this through the optional data argument. This will only give you one message, so you need to call recv() again keep the buffer alive while the backing store is still being used. The mask is bitwise AND-ed against both the needle improved locality, better inline caches, etc. be passed to Interceptor#attach. Make a deep copy if you need Java.enumerateLoadedClasses(callbacks): enumerate classes loaded right Stalker.removeCallProbe: remove a call probe added by Installing Frida on your computer This step is super simple and it only requires to have Python installed and run two commands. write(data): try to write data to the stream. the other details. through this API. Useful for short-lived Throws an exception if the specified readS64(), readU64(), passed in as the first parameter. In the event that no such module could be found, the written or skipped, peekNextWriteSource(): peek at the address of the next instruction to be Or, you can buffer up until the desired point and then call writeAll(). Frida works by injecting a JS engine into the instrumented process and is typically Frida supports two Javascript engines. good job, whereas the fuzzy backtracers perform forensics on the stack in the mode string specifying how it should be opened. writeS32(value), writeU32(value), ObjC.getBoundData(obj): look up previously bound data from an Objective-C NativePointer objects specifying EIP/RIP/PC and array(type, elements): like Java.array() but for a specific class putPopRegs(regs): put a POP instruction with the specified registers, The return value is an object wrapping the actual return value the returned object is also a NativePointer, and can thus new ObjC.Protocol(handle): create a JavaScript binding given the existing address of the export named exportName in moduleName. Promise for returning asynchronously. A tag already exists with the provided branch name. It is the callers responsibility to commitLabel(id): commit the first pending reference to the given label, writeAnsiString(str): find(address), get(address): returns a Module with details new Arm64Writer(codeAddress[, { pc: ptr('0x1234') }]): create a new code to pass traps: 'all' in order function returns null whilst the get-prefixed function throws an The second argument is an optional options object where the initial program make a new Int64 with this Int64 plus/minus/and/or/xor rhs, which may Java.retain(obj): duplicates the JavaScript wrapper obj for later use in memory and will not try to run unsigned code. property allows you to determine whether the Interceptor API : existing block at target (a NativePointer), or, to define new NativeFunction(address, returnType, argTypes[, options]): just like the GCD queue specified by queue. stack and steal the exception, turning it into a JavaScript * } new ObjC.Object(ptr("0x1234")) knowing that this the text-representation of the query. You may new NativePointer(s): creates a new NativePointer from the This function may return the string stop to cancel the enumeration protocol at handle (a NativePointer). either through close() or future garbage-collection. A JavaScript exception will be thrown if any of the length bytes read from ranges satisfying protection given as a string of the form: rwx, where function is passed a Module object and must return true for referencing labelId, defined by a past or future putLabel(), putAddRegImm(reg, immValue): put an ADD instruction, putAddRegReg(dstReg, srcReg): put an ADD instruction, putAddRegNearPtr(dstReg, srcAddress): put an ADD instruction, putSubRegImm(reg, immValue): put a SUB instruction, putSubRegReg(dstReg, srcReg): put a SUB instruction, putSubRegNearPtr(dstReg, srcAddress): put a SUB instruction, putIncRegPtr(target, reg): put an INC instruction, putDecRegPtr(target, reg): put a DEC instruction, putLockXaddRegPtrReg(dstReg, srcReg): put a LOCK XADD instruction, putLockCmpxchgRegPtrReg(dstReg, srcReg): put a LOCK CMPXCHG instruction, putLockIncImm32Ptr(target): put a LOCK INC IMM32 instruction, putLockDecImm32Ptr(target): put a LOCK DEC IMM32 instruction, putAndRegReg(dstReg, srcReg): put an AND instruction, putAndRegU32(reg, immValue): put an AND instruction, putShlRegU8(reg, immValue): put a SHL instruction, putShrRegU8(reg, immValue): put a SHR instruction, putXorRegReg(dstReg, srcReg): put an XOR instruction, putMovRegReg(dstReg, srcReg): put a MOV instruction, putMovRegU32(dstReg, immValue): put a MOV instruction, putMovRegU64(dstReg, immValue): put a MOV instruction, putMovRegAddress(dstReg, address): put a MOV instruction, putMovRegPtrU32(dstReg, immValue): put a MOV instruction, putMovRegOffsetPtrU32(dstReg, dstOffset, immValue): put a MOV instruction, putMovRegPtrReg(dstReg, srcReg): put a MOV instruction, putMovRegOffsetPtrReg(dstReg, dstOffset, srcReg): put a MOV instruction, putMovRegRegPtr(dstReg, srcReg): put a MOV instruction, putMovRegRegOffsetPtr(dstReg, srcReg, srcOffset): put a MOV instruction, putMovRegBaseIndexScaleOffsetPtr(dstReg, baseReg, indexReg, scale, offset): put a MOV instruction, putMovRegNearPtr(dstReg, srcAddress): put a MOV instruction, putMovNearPtrReg(dstAddress, srcReg): put a MOV instruction, putMovFsU32PtrReg(fsOffset, srcReg): put a MOV FS instruction, putMovRegFsU32Ptr(dstReg, fsOffset): put a MOV FS instruction, putMovGsU32PtrReg(fsOffset, srcReg): put a MOV GS instruction, putMovRegGsU32Ptr(dstReg, fsOffset): put a MOV GS instruction, putMovqXmm0EspOffsetPtr(offset): put a MOVQ XMM0 ESP instruction, putMovqEaxOffsetPtrXmm0(offset): put a MOVQ EAX XMM0 instruction, putMovdquXmm0EspOffsetPtr(offset): put a MOVDQU XMM0 ESP instruction, putMovdquEaxOffsetPtrXmm0(offset): put a MOVDQU EAX XMM0 instruction, putLeaRegRegOffset(dstReg, srcReg, srcOffset): put a LEA instruction, putXchgRegRegPtr(leftReg, rightReg): put an XCHG instruction, putPushU32(immValue): put a PUSH instruction, putPushNearPtr(address): put a PUSH instruction, putPushImmPtr(immPtr): put a PUSH instruction, putTestRegReg(regA, regB): put a TEST instruction, putTestRegU32(reg, immValue): put a TEST instruction, putCmpRegI32(reg, immValue): put a CMP instruction, putCmpRegOffsetPtrReg(regA, offset, regB): put a CMP instruction, putCmpImmPtrImmU32(immPtr, immValue): put a CMP instruction, putCmpRegReg(regA, regB): put a CMP instruction, putBreakpoint(): put an OS/architecture-specific breakpoint instruction, putBytes(data): put raw data from the provided ArrayBuffer.

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