Duncan Ogilvie
2cbafa369d
DBG: add mod.isexport expression function
2019-04-30 15:05:36 +02:00
36741fdaf8
Fix ThreadGetSuspendCount if the suspend count limit is reached
...
Use a better method of querying the suspend count on Windows >= 8.1 that doesn't involve suspending and resuming
2019-04-28 21:24:59 +02:00
1874da8657
Fix export name parsing
2019-04-28 16:40:21 +02:00
Duncan Ogilvie
425a531535
DBG: fix use after free derp
...
closes #2149
2019-04-22 11:45:38 +02:00
ed5d085fa3
Fix compilation in VS2019
2019-04-17 19:34:00 +02:00
Duncan Ogilvie
1d9df16898
DBG: fix missing module name in symbol log and implement source mapping
2019-04-17 19:30:59 +02:00
Duncan Ogilvie
d13b2eefe1
GUI: better handling of xbegin tokenizing
2019-04-17 18:10:19 +02:00
Duncan Ogilvie
6bc16f8bac
PROJECT: remove and ignore vcxproj.user files
2019-04-12 17:51:56 +02:00
Duncan Ogilvie
4af8ff6174
DBG: (performance) improvements to SymbolSourceDIA
2019-04-12 16:51:37 +02:00
Duncan Ogilvie
3b8469ba55
DBG: print rex info in Zydis command
2019-04-09 15:47:22 +02:00
Duncan Ogilvie
386e242645
DBG+GUI: removed yara
2019-04-06 13:18:16 +02:00
Duncan Ogilvie
41978f961c
DBG: show full command line near 'Process Started' log entry
2019-04-06 12:40:51 +02:00
Duncan Ogilvie
ee411b0c30
DBG: some more improvements to safely reading the PE info
2019-04-06 12:40:50 +02:00
6e18613e37
DBG: ReadExportDirectory: put upper bound on the number of imports
2019-03-17 19:46:33 +01:00
e38adf1265
DBG: AddressOfNameOrdinals is WORD[], not DWORD[]
2019-03-17 19:46:33 +01:00
c54c96816e
DBG: ReadExportDirectory: do bounds checks on all export dir entries before indexing into arrays
...
Fixes #2105 (second case/malware sample)
2019-03-17 19:46:33 +01:00
e36779d7a4
DBG: more robust validation of PE directory sizes
2019-03-17 19:46:33 +01:00
Duncan Ogilvie
7d53b1ae08
DBG: fix potential crashes in GetModuleInfo
2019-01-20 22:41:26 +01:00
Duncan Ogilvie
9f5ce5041d
DBG: fix a mistake in MemUpdateMap
...
closes #2101
2019-01-20 20:45:47 +01:00
Duncan Ogilvie
85e96353cb
DBG+BRIDGE+GUI: put in the title whether x64dbg is elevated or not
2019-01-20 20:43:39 +01:00
Duncan Ogilvie
223ea586bb
DBG: add some more helpful format functions
...
ascii, ansi, utf8, utf16, disasm, modname
2019-01-10 23:54:31 +01:00
Duncan Ogilvie
d04288cbc1
DBG: improve performance of MemoryMapUpdate
2019-01-10 23:45:24 +01:00
Duncan Ogilvie
e5e96f7cbb
DBG: analyze all xrefs in the module with XrefsAnalysis
2019-01-10 23:44:51 +01:00
Duncan Ogilvie
cc15cdec9f
DBG: correctly handle executables with entry points inside the MZ header
...
closes #1994
2019-01-10 23:44:07 +01:00
Duncan Ogilvie
f1fbfd98b3
DBG: don't use CreateProcessInfo->lpStartAddress because it is broken
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closes #2099
2019-01-10 23:43:05 +01:00
Duncan Ogilvie
688e2ccc04
DBG+GUI: AStyle
2018-11-18 15:50:13 +01:00
Duncan Ogilvie
418541e46e
DBG: improve the skipInt3Stepping feature to work for long int3 instructions
2018-11-18 15:49:43 +01:00
1e9bf1ab7c
DBG: Fix mapped area overrun in ReadDebugDirectory for bogus debugDirSize
2018-11-18 15:20:38 +01:00
0adb663a91
Fixed Symbol::GetList() for symbols without undecorated name
...
* Such symbols have "" instead of nullptr in SYMBOLINFO.undecoratedSymbol
* This fix greatly improves Snowman's decompiled results, example: comctl32!ListBox_SetCurSelHandler
2018-11-13 12:10:36 +01:00
836a544287
Run "AStyleWhore"
2018-11-13 10:01:22 +08:00
5162450ff3
Fix yara crash when used with a single argument
2018-11-04 23:14:31 +01:00
c7107374d2
DBG: remove capstone references
2018-11-04 23:14:04 +01:00
de678aec21
Fixed incorrect error message when memory could not be allocated
2018-11-02 15:31:14 +00:00
0c87d87fe6
DBG: fix getting raw int value for float typed watch points
2018-10-31 12:39:00 +01:00
e0052d6b2b
ZYDIS: Use ZydisOperandAction as an enum instead of a flag
2018-10-31 12:38:40 +01:00
0065f204a3
Add DLL ordinal to symbol table and fix symbol table comparator
2018-10-31 12:38:00 +01:00
5a4f15e9f5
DBG: add OptionalHeader.AddressOfEntryPoint to the displayed symbols
2018-10-31 12:37:48 +01:00
Duncan Ogilvie
fba7af6bcd
Merge branch 'torusrxxx-patch00000092' into development
2018-10-29 13:38:56 +01:00
5669e13485
temporary
2018-10-16 18:15:01 +02:00
ae9bf8c49e
st(X) can be edited
2018-10-16 18:15:01 +02:00
cf1498786c
Merge branch 'development' into patch00000092
2018-10-12 20:50:28 +08:00
d149f6d794
Do not leave empty or corrupt PDBs in the store if a download failed. Fixes a crash in LoadDataFromIStream in MS DIA 14.15
2018-10-10 15:50:40 +02:00
Duncan Ogilvie
da69e828ea
DBG: improve memory usage and performance with line numbers
2018-10-10 15:45:32 +02:00
Duncan Ogilvie
25a67b778e
DBG: fix buffer overflow and assert when tracing fxsave or invalid instructions
2018-10-10 15:44:37 +02:00
Duncan Ogilvie
22861d69e5
Add some analysis for exceptions containing FACILITY_VISUALCPP in exinfo
2018-10-10 15:44:37 +02:00
Duncan Ogilvie
b1188c3c04
DBG: fix crash in stackgetsuspectedcallstack when CSP is not pointing to valid memory
2018-10-10 15:44:37 +02:00
Duncan Ogilvie
521195eea9
DBG: small refactor for SymAutoComplete
2018-10-10 15:44:37 +02:00
Duncan Ogilvie
d7f1dadb52
DBG: exclude some invalid imports + give ordinal imports a name
2018-10-10 15:44:37 +02:00
Duncan Ogilvie
70cfec4094
DBG: add (undocumented) option to force load PDB
2018-10-10 15:44:37 +02:00
03f596c162
Stricter ordinal name check
2018-10-09 11:20:55 +08:00
Duncan Ogilvie
da913f7cdc
DBG: fix a possible crash in disasmget
2018-09-13 12:56:10 +02:00
Duncan Ogilvie
7aab39f8e1
Revert "DBG: do not step if there is an enable breakpoint at CIP"
...
This reverts commit 9804400df6
2018-09-02 00:53:05 +02:00
d4ec06f6de
Fixed a crash when tracing into far jump
2018-08-21 17:04:36 +02:00
Duncan Ogilvie
7526b7e482
DBG: update TitanEngine
2018-07-19 16:44:44 +02:00
Duncan Ogilvie
62b6be97e0
DBG: allow the "-p PID -e EVENT" command line for JIT debugging
2018-07-15 19:11:52 +02:00
Duncan Ogilvie
fa82c80c51
DBG: temporary fix for AutoPatchExporter
2018-07-05 02:41:18 +02:00
Duncan Ogilvie
bcb1df389c
DBG: include DIA in deps
2018-07-05 02:41:09 +02:00
Duncan Ogilvie
d7eac4598d
DBG: better error messages in PDBDiaFile::open
2018-07-05 02:39:58 +02:00
Duncan Ogilvie
144dbd4c2f
DBG: undecorate import/export names
2018-07-04 17:12:37 +02:00
Duncan Ogilvie
9804400df6
DBG: do not step if there is an enable breakpoint at CIP
...
closes #1721
2018-07-01 19:28:08 +02:00
Duncan Ogilvie
e5467cf966
DBG: correctly update module list when changing module type
2018-07-01 19:28:07 +02:00
Duncan Ogilvie
0c8956f480
DBG+GUI: disable source debugging per default
2018-07-01 19:28:07 +02:00
Duncan Ogilvie
8c169ae2ed
DBG+BRIDGE+GUI: fix source loading
2018-07-01 19:28:06 +02:00
Duncan Ogilvie
b63402066b
DBG: implement findSourceLineInfo by fileName + line in symbol source
2018-07-01 19:28:06 +02:00
Duncan Ogilvie
47d6efb59e
DBG: do not fully escape debug strings
2018-07-01 19:28:06 +02:00
Duncan Ogilvie
b8ae4b1496
DBG: invalidate symbol source when MODINFO is destroyed
2018-07-01 19:28:06 +02:00
Duncan Ogilvie
d70ed83a72
DBG: fix a bug in getLabel where jmp [MessageBoxA] would not be recognized correctly
2018-07-01 19:28:06 +02:00
Duncan Ogilvie
df31f0da45
DBG: change symbol load order + add debuggee.pdb to the search list
2018-07-01 19:28:05 +02:00
Duncan Ogilvie
4098dc8fb2
DBG: finally fix the handle leak in PDBDiaFile
2018-07-01 19:28:05 +02:00
Duncan Ogilvie
8af904fad6
DBG: fix assert in debug mode on pluginunloadall
2018-07-01 19:28:04 +02:00
Duncan Ogilvie
9e68ea3900
DBG: only store file hash in database if there is other data as well
2018-07-01 19:28:03 +02:00
Duncan Ogilvie
7d1afa0940
DBG+GUI: change layout of window title to be more helpful in the task bar
2018-07-01 19:28:03 +02:00
Duncan Ogilvie
2665df4eb3
DBG: added mod.headerva expression function
2018-07-01 19:28:03 +02:00
Duncan Ogilvie
87c3238de8
DBG (WIP): set up DIA file stream for profiling of a handle leak
2018-07-01 19:28:03 +02:00
Duncan Ogilvie
d79586d02b
DBG: fix a crash in the Cleanup in downslib
2018-07-01 19:28:02 +02:00
Duncan Ogilvie
70b3149599
WIP: new symbol gui mostly working
2018-07-01 19:28:02 +02:00
0bb2efcb2c
Improve performance and crash resistance when loading PE files containing 1000 or more sections. Tested on https://github.com/corkami/pocs/blob/master/PE/bin/65535sects.exe . Technically performance was already very good, but that was only due to crashing instantly
2018-07-01 19:28:01 +02:00
f515484790
ReadBaseRelocationTable() refactor. Is it better now? Dunno really. This method may be slightly easier to use with both SEC_COMMIT and SEC_IMAGE mappings in the future if needed, but in the end they pretty much do the same thing. At least some more TitanEngine calls were killed off so that's something I suppose
...
Replaced dark and brooding "..."s in error messages with exclamation marks to better emphasise that this stuff is serious
2018-07-01 19:28:01 +02:00
1f485f313e
DBG: more robust debug directory parsing. Validate the RVA, type and size bounds for each debug directory entry, and do not stop after the one unrecognised (non-CV) entry
...
Protect against PDB paths that do not have a null terminator in the PE codeview info
2018-07-01 19:28:01 +02:00
Duncan Ogilvie
14da6c4448
DBG: clean up downslib
2018-07-01 19:28:00 +02:00
6df9535ba4
Rewrite ReadTlsCallbacks() to use RtlImageDirectoryEntryToData and remove all TitanEngine calls. Also fix an anti-debug trick I found by accident: it is possible to have working TLS callbacks with a TLS directory size of 0. The loader does not check this field and always executes callbacks if they exist
2018-07-01 19:28:00 +02:00
28c03967c7
RvaToVa(): use SizeOfRawData instead of VirtualSize as the upper bound on section RVAs. This matches the behaviour of RtlImageRvaToSection for SEC_COMMIT mappings
2018-07-01 19:28:00 +02:00
a4638d2ea9
DBG: misc. changes and fixes in SymbolSourceDIA:
...
- Rename SetThreadDescription to SetWin10ThreadDescription, to clarify that this function isn't actually useful to anyone. (ha ha, OK... but seriously, the same name is also used by the Windows SDK which apparently takes precedence and gets added as a static import, making it impossible to start the debugger on OSes other than Windows 10)
- Thread names are a good idea and they even kind of work on older Windows versions with NtQueryInformationThread(ThreadQuerySetWin32StartAddress), which is what e.g. Process Explorer and Process Hacker use. What *doesn't* work so well is lambdas. Added static functions SymbolsThread() and SourceLinesThread() to replace these. (before: x64dbg.dll!<lambda_fc00d3fb731b14a9b4857ac068d657c4>::<lambda_invoker_cdecl>. after: x64dbg.dll!SymbolSourceDIA::SymbolsThread). These should probably be file statics instead of class members, but they need access to private class functions
- GetModuleHandleA -> GetModuleHandleW. The former just calls the latter but with an extra string allocation and pointless unicode conversion
- Fix pedantic Clang warnings about member initialization order in ctor
- Qualify type name in call to virtual function in destructor, as this will be statically resolved and won't call any potential future implementations in derived classes (this can be further 'fixed' by making either the function or the class final so you'll get a compile time error if you try to do this later)
2018-07-01 19:28:00 +02:00
9b0f9b5c59
Add clarifying comment/TODO re: invalid RVAs to ReadExportDirectory(). Don't feed your .avi collection to this function just yet
2018-07-01 19:28:00 +02:00
a94c250c5d
[DBG] Rewrite ReadImportDirectory()
...
- Obtain the directory directly using RtlImageDirectoryEntryToData and ditch TitanEngine conversion helpers
- Use OFTs instead of FTs if possible, with FTs only as fallback
- Answer the pop quiz questions in comments re: ntdll loader behaviour and handle these cases appropriately
- Use THUNK_VAL() to obtain OFT/FT values independent of process and file bitness
- Always use ULONG64 for AddressOfData to be able to test for IMAGE_ORDINAL_FLAG64. Also return ULONG64 from RvaToVa(), and rva2offset too as a result of this. This makes these functions compatible with both 32 and 64 bit files regardless of process bitness. There shouldn't be any functional changes due to this, otherwise will revert/fix
- Require an import by name to have a non-null name in addition to not having the ordinal flag set. Otherwise treat it as an import by ordinal
- The ordinal value of an import by ordinal is obtained by (val & 0xffff), not (val &= ~ordinalFlag). The ordinal flag is now always removed to ensure the RVA is valid
- Give imports by ordinal a 'name' the same way dbghelp does, e.g. Ordinal57. Previously imports by ordinal were not being shown in the Symbols tab due to having no name. TODO: if we have the PDB for the file being imported from, we can overwrite or append the real function name later using the importee's export directory
- RvaToVa(): assert that RVA 0 always returns VA 0, because if this isn't the case something is seriously messed up
2018-07-01 19:27:59 +02:00
5ad21c69ee
- ReadDebugDirectory(): add about 20 years worth of missing debug directory type names
...
- symbolsourcedia.h: Add _global.h #include to prevent various macros like WINVER and _WIN32_WINNT from being redefined because Windows.h was indirectly included first
2018-07-01 19:27:59 +02:00
fc9285ed2e
[DBG] Work on modinfo improvements:
...
- Add ImageNtHeaders() (clone of RtlImageNtHeaderEx which doesn't exist on XP) to obtain PE headers given a VA
- Add HEADER_FIELD() and THUNK_VAL() macros to module.h to allow accessing header fields independent of process and file bitness
- Add IMAGE_NT_HEADERS pointer to MODINFO, since anything related to parsing PEs needs this struct
- Read PE headers in GetModuleInfo(). Currently the headers are being parsed every time a TitanEngine helper function is called, the goal is to reduce this to once per module load
- GetModuleInfo(): eliminate all TitanEngine calls now that we have the headers
- Add RvaToVa() for SEC_COMMIT mappings. This can simultaneously serve as replacement for rva2offset helpers (pass base = 0). Preferably SEC_IMAGE should be used though as that way neither of these would be needed
- ReadExportDirectory(): use RtlImageDirectoryEntryToData() to obtain a PIMAGE_EXPORT_DIRECTORY and its size in one go to eliminate TitanEngine helper calls and RVA to offset conversions
- Answer burning questions re: Windows loader behaviour when parsing exports in comments
- (Minor) fix '>= 0' comparison against unsigned as this will always evaluate to true
- Add comment re: PDB search path order since it's wrong atm but I'm too scared of breaking something if I change this code myself
2018-07-01 19:27:59 +02:00
Duncan Ogilvie
013cd1e5f7
DBG: dont copy MODINFO and MODIMPORT/MODEXPORT structures
2018-07-01 19:27:59 +02:00
Duncan Ogilvie
4e88b399fe
Update DIA to 14.13.26128.0 + XP support
2018-07-01 19:27:58 +02:00
Duncan Ogilvie
aa8a215895
DBG: use win32 threads instead of std::thread
2018-07-01 19:27:58 +02:00
72ccf42298
Fix too early stream deletion.
2018-07-01 19:27:58 +02:00
cad8aed97d
Refactor PDB data loading via IStream, explicit file access.
2018-07-01 19:27:58 +02:00
c8af1f9144
Use correct PDBDiaFile instance.
2018-07-01 19:27:57 +02:00
Duncan Ogilvie
45b49995f3
DBG: fall back to resolving modules exports when no symbol is found
2018-07-01 19:27:57 +02:00
Duncan Ogilvie
73a5ffebd9
DBG: use export/import data from modules instead of from memory
2018-07-01 19:27:57 +02:00
Duncan Ogilvie
476bc093bc
DBG: add export and import parsing routines in module.cpp
...
#580
2018-07-01 19:27:57 +02:00
Duncan Ogilvie
bee62fbbf0
DBG: add missing locks for ModInfoFromAddr
2018-07-01 19:27:56 +02:00
Duncan Ogilvie
a2c52260f7
DBG: remove unused imports field from MODINFO
2018-07-01 19:27:56 +02:00
Duncan Ogilvie
4fa1b9a2a1
DBG: fix a buffer overflow in the symbol autocomplete function
2018-07-01 19:27:56 +02:00
0cbf519e66
Fix undecorated name being uninitialized.
2018-07-01 19:27:56 +02:00
Duncan Ogilvie
d5ae04dce4
DBG: fully implement symdownload command without dbghelp usage
2018-07-01 19:27:56 +02:00
Duncan Ogilvie
ff11a39533
DBG: attempt to load symbols from multiple locations
2018-07-01 19:27:55 +02:00
Duncan Ogilvie
637815b63d
DBG: symdownload now works without dbghelp
2018-07-01 19:27:55 +02:00
Duncan Ogilvie
ba6ad4cefc
DBG: initial version of Wininet download library
2018-07-01 19:27:55 +02:00
Duncan Ogilvie
3ab836225f
DBG: remove some useless dbghelp calls
2018-07-01 19:27:55 +02:00
Duncan Ogilvie
66017a7442
DBG: refactor SymbolInfo to use VA instead of RVA
2018-07-01 19:27:54 +02:00
Duncan Ogilvie
ffc168f44d
DBG: rename SymbolSourcePDB to SymbolSourceDIA
2018-07-01 19:27:54 +02:00
Duncan Ogilvie
73b30ed49b
DBG: actually use findSymbolsByPrefix
2018-07-01 19:27:54 +02:00
Duncan Ogilvie
876abcdf10
DBG: change findSymbolsByPrefix to take a callback
2018-07-01 19:27:53 +02:00
Duncan Ogilvie
a6ccf69e5b
DBG: implement SymAddrFromName (untested on large symbols, working on small)
2018-07-01 19:27:53 +02:00
Duncan Ogilvie
550a1ff45a
DBG: correct PDB signature format
2018-07-01 19:27:53 +02:00
Duncan Ogilvie
2ce2470ea1
DBG: implement a much nicer data structure for SymbolSourcePDB
2018-07-01 19:27:53 +02:00
Duncan Ogilvie
c7d0f50207
DBG: initial implementation of name-sorted symbol storage
2018-07-01 19:27:52 +02:00
Duncan Ogilvie
eb9d55ac61
DBG: read debug directory on ModLoad
2018-07-01 19:27:52 +02:00
Duncan Ogilvie
caa5b6273f
DBG: implement DiaLoadCallback for loadDataForExe
2018-07-01 19:27:52 +02:00
Duncan Ogilvie
4fadd01ad4
DBG: move files in 'Symbols' folder
2018-07-01 19:27:52 +02:00
4a1327a896
Only print on load failure if its not missing.
2018-07-01 19:27:52 +02:00
Duncan Ogilvie
b07611387f
GUI: implement initial version of ZehSymbolTable
...
beware of race conditions, but it appears to kinda work
2018-07-01 19:27:51 +02:00
ae5bb70203
Fix resolving symbol size always returning true.
2018-07-01 19:27:50 +02:00
80ad0e7df1
Minor cleanup.
2018-07-01 19:27:50 +02:00
59d166ecf4
Refactor PDBDiaFile query.
2018-07-01 19:27:50 +02:00
Duncan Ogilvie
82774e2445
DBG: use undocumented __unDNameEx function to significantly speed up symbol loading
...
Before:
Loaded 313534 line infos in 47.406
Loaded 140366 symbols in 171.640
After:
Loaded 313534 line infos in 4.187
Loaded 140366 symbols in 9.391
2018-07-01 19:27:50 +02:00
Duncan Ogilvie
a9782ac6c6
DBG: Don't show pointless module size in ModLoad
2018-07-01 19:27:49 +02:00
Duncan Ogilvie
995153cfc0
DBG: fix some truncation issues
2018-07-01 19:27:49 +02:00
058c14d8bf
Make source file strings unique, reduces a lot of memory.
2018-07-01 19:27:49 +02:00
bd08f67f47
Load symbols and source line in parallel.
2018-07-01 19:27:49 +02:00
7c6bfcd2c6
Use enumerators Next instead of index, slight performance improvement.
2018-07-01 19:27:48 +02:00
97fa3c1408
Lock when trying to read source lines.
2018-07-01 19:27:48 +02:00
ae050ea4a1
Fix source lines displayed with disp.
2018-07-01 19:27:48 +02:00
cad369f7a5
Refactor DbgHelp source line query references to new symbol interface.
2018-07-01 19:27:48 +02:00
ac6ee608e4
Add source line queries into new symbol interface.
2018-07-01 19:27:48 +02:00
2604384853
Refactor source line queries in DIA interface.
2018-07-01 19:27:47 +02:00
b68c89a12e
Hide undecorated name if identical to decorated.
2018-07-01 19:27:47 +02:00
d6fd79346e
Prioritize private symbols over public.
2018-07-01 19:27:47 +02:00
e648e27346
Use spinlock instead of critical section.
...
Use proper thread termination on destructor.
2018-07-01 19:27:47 +02:00
a0c94caaf6
Cleanup DIA interface some more.
2018-07-01 19:27:46 +02:00
d35996883e
Implement unloading.
2018-07-01 19:27:46 +02:00
0ea92f26eb
Remove unused functions from DIA interface.
2018-07-01 19:27:46 +02:00
Duncan Ogilvie
1b94728118
DBG: buggy implementation of symbol enum
2018-07-01 19:27:46 +02:00
Duncan Ogilvie
03a609c954
lf to crlf
2018-07-01 19:27:45 +02:00
4e2f307052
Tabs to spaces
2018-07-01 19:27:45 +02:00
626695f233
Add PDB load cancellation.
2018-07-01 19:27:45 +02:00
01f0a824ab
Fix marking symbol with wrong type.
2018-07-01 19:27:45 +02:00
b176fb7e46
Initial for async symbol loading.
2018-07-01 19:27:44 +02:00
3a3afa3744
Remove unused DbgHelp loading.
2018-07-01 19:27:44 +02:00
bd173bf01e
Refactor symbol loading/query to use a common interface.
2018-07-01 19:27:44 +02:00
121486a137
Initial implementation of LRU.
...
Initial implementation of MSDIA.
2018-07-01 19:27:44 +02:00
Duncan Ogilvie
95cacb3732
DBG: add information to Zydis command
2018-07-01 19:04:38 +02:00
380df7ba2e
minor parsing bug
2018-06-19 18:51:36 +02:00
ddbeeefab4
Special format to find an inactive breakpoint to edit it.
2018-06-19 18:51:36 +02:00
Duncan Ogilvie
Mattiwatti
Zhang Li
Bálint Faragó
Alexander Miloslavskiy
torusrxxx
ZehMatt