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author | GeckoEidechse <40122905+GeckoEidechse@users.noreply.github.com> | 2022-03-28 23:48:05 +0200 |
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committer | GitHub <noreply@github.com> | 2022-03-28 23:48:05 +0200 |
commit | b8a7feabea6456f7fa5e8403c8d9bd2630401045 (patch) | |
tree | d6fa62ef39eb4fcfac1c1711f49ad86b2b6c59d3 /NorthstarDedicatedTest/ExploitFixes_UTF8Parser.h | |
parent | 379cbc8bc251307777a14b901e5617e834398485 (diff) | |
download | NorthstarLauncher-b8a7feabea6456f7fa5e8403c8d9bd2630401045.tar.gz NorthstarLauncher-b8a7feabea6456f7fa5e8403c8d9bd2630401045.zip |
More exploit fixes by KIttenPopo (#126)
* Quick fix for a bug I caused
* Typo
* Update kitten-fixes branch to my repo (#122)
* Added string hash macro
* Added convenient vtfunc macro
* Made lil ConCommand creation macro
* Fixed multiple NET_SetConVar exploits
* Quick fixerino
* Fix convar struct (and other things)
* Revive clang-format (but good, i think)
* Update .clang-format
* Reformatted code to meet .clang-format requirements
* Minor formatting fixes
* Fixed Northstar "crashing" when console is closed
* Update .clang-format
* Quick fix for a bug I caused
* Typo
* NSMem Update
* ExplotFixes: Only block excessive convar counts if server
* Update ExploitFixes.cpp
* Update ExploitFixes.cpp
* Updated bytepatch format
* reformatted all code for clang-format
* Updated my clang-format to v13.0.0
* 3 fixes in 1
- ANTITAMPER fixed
- NSMem simplification update
- Fixed bad byte string in serverauthentication.cpp
* Improved ExploitFixes logging and NET_SetConVar patch
* clang-format unironically sabotaged my code
* Made ns_exploitfixes_log on by default
* Fixed IsMemoryReadable (oops)
Co-authored-by: KittenPopo <Pokeberry123@gmail.com>
Diffstat (limited to 'NorthstarDedicatedTest/ExploitFixes_UTF8Parser.h')
-rw-r--r-- | NorthstarDedicatedTest/ExploitFixes_UTF8Parser.h | 310 |
1 files changed, 155 insertions, 155 deletions
diff --git a/NorthstarDedicatedTest/ExploitFixes_UTF8Parser.h b/NorthstarDedicatedTest/ExploitFixes_UTF8Parser.h index b06d442b..09c26293 100644 --- a/NorthstarDedicatedTest/ExploitFixes_UTF8Parser.h +++ b/NorthstarDedicatedTest/ExploitFixes_UTF8Parser.h @@ -6,170 +6,170 @@ namespace ExploitFixes_UTF8Parser { - bool __fastcall CheckValid(INT64* a1, DWORD* a2, char* strData) - { - static auto sub_F1320 = (INT64(__fastcall*)(DWORD a1, char* a2))NSMem::PatternScan("engine.dll", "83 F9 7F 77 08 88 0A"); +bool __fastcall CheckValid(INT64* a1, DWORD* a2, char* strData) +{ + static auto sub_F1320 = (INT64(__fastcall*)(DWORD a1, char* a2))NSMem::PatternScan("engine.dll", "83 F9 7F 77 08 88 0A"); - DWORD v3; // eax - char* v4; // rbx - char v5; // si - char* _strData; // rdi - char* v7; // rbp - char v11; // al - DWORD v12; // er9 - DWORD v13; // ecx - DWORD v14; // edx - DWORD v15; // er8 - int v16; // eax - DWORD v17; // er9 - int v18; // eax - DWORD v19; // er9 - DWORD v20; // ecx - int v21; // eax - int v22; // er9 - DWORD v23; // edx - int v24; // eax - int v25; // er9 - DWORD v26; // er9 - DWORD v27; // er10 - DWORD v28; // ecx - DWORD v29; // edx - DWORD v30; // er8 - int v31; // eax - DWORD v32; // er10 - int v33; // eax - DWORD v34; // er10 - DWORD v35; // ecx - int v36; // eax - int v37; // er10 - DWORD v38; // edx - int v39; // eax - int v40; // er10 - DWORD v41; // er10 - INT64 v43; // r8 - INT64 v44; // rdx - INT64 v45; // rcx - INT64 v46; // rax - INT64 v47; // rax - char v48; // al - INT64 v49; // r8 - INT64 v50; // rdx - INT64 v51; // rcx - INT64 v52; // rax - INT64 v53; // rax + DWORD v3; // eax + char* v4; // rbx + char v5; // si + char* _strData; // rdi + char* v7; // rbp + char v11; // al + DWORD v12; // er9 + DWORD v13; // ecx + DWORD v14; // edx + DWORD v15; // er8 + int v16; // eax + DWORD v17; // er9 + int v18; // eax + DWORD v19; // er9 + DWORD v20; // ecx + int v21; // eax + int v22; // er9 + DWORD v23; // edx + int v24; // eax + int v25; // er9 + DWORD v26; // er9 + DWORD v27; // er10 + DWORD v28; // ecx + DWORD v29; // edx + DWORD v30; // er8 + int v31; // eax + DWORD v32; // er10 + int v33; // eax + DWORD v34; // er10 + DWORD v35; // ecx + int v36; // eax + int v37; // er10 + DWORD v38; // edx + int v39; // eax + int v40; // er10 + DWORD v41; // er10 + INT64 v43; // r8 + INT64 v44; // rdx + INT64 v45; // rcx + INT64 v46; // rax + INT64 v47; // rax + char v48; // al + INT64 v49; // r8 + INT64 v50; // rdx + INT64 v51; // rcx + INT64 v52; // rax + INT64 v53; // rax - v3 = a2[2]; - v4 = (char*)(a1[1] + *a2); - v5 = 0; - _strData = strData; - v7 = &v4[*((UINT16*)a2 + 2)]; - if (v3 >= 2) + v3 = a2[2]; + v4 = (char*)(a1[1] + *a2); + v5 = 0; + _strData = strData; + v7 = &v4[*((UINT16*)a2 + 2)]; + if (v3 >= 2) + { + ++v4; + --v7; + if (v3 != 2) { - ++v4; - --v7; - if (v3 != 2) + while (1) { - while (1) - { - if (!NSMem::IsMemoryReadable(v4, 1)) - return false; // INVALID + if (!NSMem::IsMemoryReadable(v4, 1)) + return false; // INVALID - v11 = *v4++; // crash potential - if (v11 != 92) - goto LABEL_6; - v11 = *v4++; - if (v11 == 110) - break; - switch (v11) - { - case 't': - v11 = 9; - goto LABEL_6; - case 'r': - v11 = 13; - goto LABEL_6; - case 'b': - v11 = 8; - goto LABEL_6; - case 'f': - v11 = 12; - goto LABEL_6; - } - if (v11 != 117) - goto LABEL_6; - v12 = *v4 | 0x20; - v13 = v4[1] | 0x20; - v14 = v4[2] | 0x20; - v15 = v4[3] | 0x20; - v16 = 87; - if (v12 <= 0x39) - v16 = 48; - v17 = v12 - v16; - v18 = 87; - v19 = v17 << 12; - if (v13 <= 0x39) - v18 = 48; - v20 = v13 - v18; - v21 = 87; - v22 = (v20 << 8) | v19; - if (v14 <= 0x39) - v21 = 48; - v23 = v14 - v21; - v24 = 87; - v25 = (16 * v23) | v22; - if (v15 <= 0x39) - v24 = 48; - v4 += 4; - v26 = (v15 - v24) | v25; - if (v26 - 55296 <= 0x7FF) - { - if (v26 >= 0xDC00) - return true; - if (*v4 != 92 || v4[1] != 117) - return true; + v11 = *v4++; // crash potential + if (v11 != 92) + goto LABEL_6; + v11 = *v4++; + if (v11 == 110) + break; + switch (v11) + { + case 't': + v11 = 9; + goto LABEL_6; + case 'r': + v11 = 13; + goto LABEL_6; + case 'b': + v11 = 8; + goto LABEL_6; + case 'f': + v11 = 12; + goto LABEL_6; + } + if (v11 != 117) + goto LABEL_6; + v12 = *v4 | 0x20; + v13 = v4[1] | 0x20; + v14 = v4[2] | 0x20; + v15 = v4[3] | 0x20; + v16 = 87; + if (v12 <= 0x39) + v16 = 48; + v17 = v12 - v16; + v18 = 87; + v19 = v17 << 12; + if (v13 <= 0x39) + v18 = 48; + v20 = v13 - v18; + v21 = 87; + v22 = (v20 << 8) | v19; + if (v14 <= 0x39) + v21 = 48; + v23 = v14 - v21; + v24 = 87; + v25 = (16 * v23) | v22; + if (v15 <= 0x39) + v24 = 48; + v4 += 4; + v26 = (v15 - v24) | v25; + if (v26 - 55296 <= 0x7FF) + { + if (v26 >= 0xDC00) + return true; + if (*v4 != 92 || v4[1] != 117) + return true; - v27 = v4[2] | 0x20; - v28 = v4[3] | 0x20; - v29 = v4[4] | 0x20; - v30 = v4[5] | 0x20; - v31 = 87; - if (v27 <= 0x39) - v31 = 48; - v32 = v27 - v31; - v33 = 87; - v34 = v32 << 12; - if (v28 <= 0x39) - v33 = 48; - v35 = v28 - v33; - v36 = 87; - v37 = (v35 << 8) | v34; - if (v29 <= 0x39) - v36 = 48; - v38 = v29 - v36; - v39 = 87; - v40 = (16 * v38) | v37; - if (v30 <= 0x39) - v39 = 48; - v4 += 6; - v41 = ((v30 - v39) | v40) - 56320; - if (v41 > 0x3FF) - return true; - v26 = v41 | ((v26 - 55296) << 10); - } - _strData += (DWORD)sub_F1320(v26, _strData); - LABEL_7: - if (v4 == v7) - goto LABEL_48; + v27 = v4[2] | 0x20; + v28 = v4[3] | 0x20; + v29 = v4[4] | 0x20; + v30 = v4[5] | 0x20; + v31 = 87; + if (v27 <= 0x39) + v31 = 48; + v32 = v27 - v31; + v33 = 87; + v34 = v32 << 12; + if (v28 <= 0x39) + v33 = 48; + v35 = v28 - v33; + v36 = 87; + v37 = (v35 << 8) | v34; + if (v29 <= 0x39) + v36 = 48; + v38 = v29 - v36; + v39 = 87; + v40 = (16 * v38) | v37; + if (v30 <= 0x39) + v39 = 48; + v4 += 6; + v41 = ((v30 - v39) | v40) - 56320; + if (v41 > 0x3FF) + return true; + v26 = v41 | ((v26 - 55296) << 10); } - v11 = 10; - LABEL_6: - v5 |= v11; - *_strData++ = v11; - goto LABEL_7; + _strData += (DWORD)sub_F1320(v26, _strData); + LABEL_7: + if (v4 == v7) + goto LABEL_48; } + v11 = 10; + LABEL_6: + v5 |= v11; + *_strData++ = v11; + goto LABEL_7; } - LABEL_48: - return true; } +LABEL_48: + return true; +} } // namespace ExploitFixes_UTF8Parser
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