joyce8/EMBER2024-capa huggingface dataset:
Function at 0x79ef40
Capabilities:
Set registry value

Disassembly:
push ecx
lea eax, [esp]
push ebx
push eax
push 0xf003f
push 0
push 0x879668
xor bl, bl
call fcn.007a3890
add esp, 4
push eax
push 0x80000002
call dword [sym.imp.advapi32.dll_RegOpenKeyExA]
test eax, eax
jne 0x79efa1
lea ecx, [esp + 0xc]
push 4
push ecx
push 4
push eax
push 0x879650
call fcn.007a3890
mov edx, dword [esp + 0x18]
add esp, 4
push eax
push edx
call dword [sym.imp.advapi32.dll_RegSetValueExA]
test eax, eax
jne 0x79ef96
mov bl, 1
mov eax, dword [esp + 4]
push eax
call dword [sym.imp.advapi32.dll_RegCloseKey]
mov al, bl
pop ebx
pop ecx
ret

Function at 0x79f0a0
Capabilities:
Check mutex on windows

Disassembly:
push ecx
push ebx
push ebp
push esi
push edi
push 0x8796dc
call fcn.007a3890
mov esi, dword [sym.imp.kernel32.dll_OpenFileMappingA]
add esp, 4
push eax
push 0
push 0xf001f
call esi
mov edi, eax
test edi, edi
mov dword [esp + 0x10], edi
jne 0x79f0f4
push 0x8796d0
call fcn.007a3890
add esp, 4
push eax
push edi
push 0xf001f
call esi
test eax, eax
mov dword [esp + 0x10], eax
jne 0x79f0f0
pop edi
pop esi
pop ebp
pop ebx
pop ecx
ret
mov edi, dword [esp + 0x10]
push 0x1000
push 0
push 0
push 0xf001f
push edi
call dword [sym.imp.kernel32.dll_MapViewOfFile]
mov ebx, eax
test ebx, ebx
jne 0x79f11e
push edi
call dword [sym.imp.kernel32.dll_CloseHandle]
pop edi
pop esi
pop ebp
xor eax, eax
pop ebx
pop ecx
ret
push 0x8796bc
call fcn.007a3890
mov esi, dword [sym.imp.kernel32.dll_OpenMutexA]
add esp, 4
push eax
push 0
push 0x100000
call esi
mov ebp, eax
test ebp, ebp
jne 0x79f173
push 0x8796b0
call fcn.007a3890
add esp, 4
push eax
push ebp
push 0x100000
call esi
mov ebp, eax
test ebp, ebp
jne 0x79f173
push ebx
call dword [sym.imp.kernel32.dll_UnmapViewOfFile]
push edi
call dword [sym.imp.kernel32.dll_CloseHandle]
pop edi
pop esi
pop ebp
xor eax, eax
pop ebx
pop ecx
ret
push 0xffffffffffffffff
push ebp
call dword [sym.imp.kernel32.dll_WaitForSingleObject]
mov ecx, dword [ebx]
mov eax, ebx
test ecx, ecx
je 0x79f19c
add eax, ecx
mov ecx, eax
sub ecx, ebx
cmp ecx, 0xffc
jae 0x79f19a
mov ecx, dword [eax]
test ecx, ecx
jne 0x79f184
jmp 0x79f19c
mov eax, ebx
mov ecx, dword [esp + 0x1c]
mov edx, eax
mov esi, 0xffc
sub edx, ebx
sub esi, ecx
cmp edx, esi
jb 0x79f1b3
mov eax, ebx
jmp 0x79f1d1
mov esi, dword [esp + 0x18]
mov edx, ecx
mov edi, eax
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, edx
and ecx, 3
rep movsb byte es:[edi], byte [esi]
mov ecx, dword [esp + 0x1c]
mov edi, dword [esp + 0x10]
add eax, ecx
push ebx
mov dword [eax], 0
call dword [sym.imp.kernel32.dll_UnmapViewOfFile]
mov esi, dword [sym.imp.kernel32.dll_CloseHandle]
push edi
call esi
push ebp
call dword [sym.imp.kernel32.dll_ReleaseMutex]
push ebp
call esi
pop edi
pop esi
pop ebp
mov eax, 1
pop ebx
pop ecx
ret
Function at 0x79f720
Capabilities:
Query or enumerate registry value
Set registry value

Disassembly:
sub esp, 0x10
lea eax, [esp + 8]
lea ecx, [esp + 4]
push eax
push ecx
push 0
push 0xf003f
push 0
push 0
push 0
push 0x8797c8
mov dword [esp + 0x28], 0
mov dword [esp + 0x2c], 4
mov dword [esp + 0x20], 0
call fcn.007a3890
add esp, 4
push eax
push 0x80000001
call dword [sym.imp.advapi32.dll_RegCreateKeyExA]
test eax, eax
jne 0x79f7ed
cmp dword [esp + 8], 2
jne 0x79f7e2
lea edx, [esp + 0xc]
lea eax, [esp]
push edx
push eax
push 0
push 0
push 0x8797bc
call fcn.007a3890
mov ecx, dword [esp + 0x18]
add esp, 4
push eax
push ecx
call dword [sym.imp.advapi32.dll_RegQueryValueExA]
cmp dword [esp], 1
jb 0x79f7e2
mov edx, dword [esp + 0x14]
push edx
push 1
call fcn.0079f800
mov eax, dword [esp + 0x14]
add esp, 8
lea ecx, [esp]
mov dword [esp], 0
push eax
push ecx
push 4
push 0
push 0x8797b0
call fcn.007a3890
mov edx, dword [esp + 0x18]
add esp, 4
push eax
push edx
call dword [sym.imp.advapi32.dll_RegSetValueExA]
mov eax, dword [esp + 4]
push eax
call dword [sym.imp.advapi32.dll_RegCloseKey]
mov eax, dword [esp]
add esp, 0x10
ret
Function at 0x79f800
Capabilities:
Create process on windows
Get common file path

Disassembly:
mov eax, dword [0x888840]
sub esp, 0x26c
test eax, eax
push edi
jne 0x79f9cb
xor eax, eax
mov ecx, 0x40
mov dword [esp + 5], eax
lea edi, [esp + 0x69]
mov dword [esp + 9], eax
push ebp
mov dword [esp + 0x11], eax
push esi
mov word [esp + 0x19], ax
mov byte [esp + 0xc], 0
mov byte [esp + 0x1b], al
mov byte [esp + 0x70], al
rep stosd dword es:[edi], eax
stosw word es:[edi], ax
lea ecx, [esp + 0x70]
push ecx
push 0x104
stosb byte es:[edi], al
call dword [sym.imp.kernel32.dll_GetCurrentDirectoryA]
push 0x879844
call fcn.007a3890
mov edi, eax
or ecx, 0xffffffff
xor eax, eax
lea edx, [esp + 0x74]
repne scasb al, byte es:[edi]
not ecx
sub edi, ecx
push eax
mov esi, edi
mov ebp, ecx
mov edi, edx
or ecx, 0xffffffff
repne scasb al, byte es:[edi]
mov ecx, ebp
dec edi
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, ebp
lea eax, [esp + 0x78]
and ecx, 3
push eax
rep movsb byte es:[edi], byte [esi]
call fcn.007ab623
add esp, 0xc
cmp eax, 0xffffffff
pop esi
pop ebp
je 0x79f9cb
mov ecx, dword [esp + 0x274]
lea edx, [esp + 4]
push ecx
push 0x879840
push edx
call fcn.007a8755
mov ecx, 0x40
xor eax, eax
lea edi, [esp + 0x179]
mov byte [esp + 0x178], 0
rep stosd dword es:[edi], eax
stosw word es:[edi], ax
mov ecx, dword [esp + 0x284]
add esp, 0xc
stosb byte es:[edi], al
mov eax, dword [0x888968]
lea edx, [esp + 4]
and eax, 1
push eax
push ecx
lea eax, [esp + 0x70]
push edx
push eax
push 0x879830
call fcn.007a3890
add esp, 4
lea ecx, [esp + 0x17c]
push eax
push ecx
call fcn.007a8755
xor edx, edx
mov ecx, 0x11
xor eax, eax
lea edi, [esp + 0x3c]
mov dword [esp + 0x2c], edx
add esp, 0x18
rep stosd dword es:[edi], eax
mov dword [esp + 0x18], edx
lea eax, [esp + 0x14]
lea ecx, [esp + 0x24]
mov dword [esp + 0x1c], edx
push eax
push ecx
push edx
push edx
push edx
push edx
push edx
mov dword [esp + 0x3c], edx
push edx
lea edx, [esp + 0x18c]
push edx
push 0
mov dword [esp + 0x4c], 0x44
call dword [sym.imp.kernel32.dll_CreateProcessA]
test eax, eax
mov eax, dword [0x88896c]
jne 0x79f992
test eax, eax
je 0x79f9cb
call dword [sym.imp.kernel32.dll_GetLastError]
push eax
push 0x879810
call fcn.007a3890
add esp, 4
push eax
mov eax, dword [0x88896c]
add eax, 0x24
push eax
call fcn.0079b800
add esp, 0xc
pop edi
add esp, 0x26c
ret
test eax, eax
je 0x79f9be
lea ecx, [esp + 0x16c]
push ecx
push 0x8797fc
call fcn.007a3890
mov edx, dword [0x88896c]
add esp, 4
add edx, 0x24
push eax
push edx
call fcn.0079b800
add esp, 0xc
mov eax, dword [esp + 0x14]
push 0xffffffffffffffff
push eax
call dword [sym.imp.kernel32.dll_WaitForSingleObject]
pop edi
add esp, 0x26c
ret
Function at 0x7a1290
Capabilities:
Copy file
Get common file path
Parse pe header
Read file on windows
Write file on windows

Disassembly:
sub esp, 0x240
push ebx
mov ebx, ecx
push esi
push edi
cmp dword [ebx], 0
je 0x7a12a5
call fcn.007a1450
push ebp
lea eax, [esp + 0x14c]
push 0x104
push eax
call dword [sym.imp.kernel32.dll_GetSystemDirectoryA]
mov edi, 0x87150c
or ecx, 0xffffffff
xor eax, eax
lea edx, [esp + 0x14c]
repne scasb al, byte es:[edi]
not ecx
sub edi, ecx
mov esi, edi
mov ebp, ecx
mov edi, edx
or ecx, 0xffffffff
repne scasb al, byte es:[edi]
mov ecx, ebp
dec edi
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, ebp
lea edx, [esp + 0x14c]
and ecx, 3
rep movsb byte es:[edi], byte [esi]
mov edi, dword [esp + 0x254]
or ecx, 0xffffffff
repne scasb al, byte es:[edi]
not ecx
sub edi, ecx
mov esi, edi
mov ebp, ecx
mov edi, edx
or ecx, 0xffffffff
repne scasb al, byte es:[edi]
mov ecx, ebp
dec edi
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, ebp
and ecx, 3
rep movsb byte es:[edi], byte [esi]
lea esi, [ebx + 4]
push esi
push 0x104
call dword [sym.imp.kernel32.dll_GetTempPathA]
push esi
push 0
push 0x8798f4
push esi
call dword [sym.imp.kernel32.dll_GetTempFileNameA]
push 0
lea eax, [esp + 0x150]
push esi
push eax
call dword [sym.imp.kernel32.dll_CopyFileA]
push 0
push 0x80
push 3
push 0
push 3
push 0xc0000000
push esi
call dword [sym.imp.kernel32.dll_CreateFileA]
mov edi, eax
cmp edi, 0xffffffff
je 0x7a1403
lea ecx, [esp + 0x10]
push 0
push ecx
lea edx, [esp + 0x1c]
push 0x40
push edx
push edi
call dword [sym.imp.kernel32.dll_ReadFile]
cmp word [esp + 0x14], 0x5a4d
jne 0x7a13fc
mov eax, dword [esp + 0x50]
mov ebp, dword [sym.imp.kernel32.dll_SetFilePointer]
push 0
push 0
push eax
push edi
call ebp
lea ecx, [esp + 0x10]
push 0
push ecx
lea edx, [esp + 0x5c]
push 0xf8
push edx
push edi
call dword [sym.imp.kernel32.dll_ReadFile]
cmp dword [esp + 0x54], 0x4550
jne 0x7a13fc
cmp dword [esp + 0x88], 0x80000000
jbe 0x7a13fc
mov eax, dword [esp + 0x50]
push 0
push 0
push eax
push edi
mov dword [esp + 0x98], 0x10000000
call ebp
lea ecx, [esp + 0x10]
push 0
push ecx
lea edx, [esp + 0x5c]
push 0xf8
push edx
push edi
call dword [sym.imp.kernel32.dll_WriteFile]
push edi
call dword [sym.imp.kernel32.dll_CloseHandle]
mov edi, dword [sym.imp.kernel32.dll_LoadLibraryExA]
push 8
push 0
push esi
call edi
test eax, eax
mov dword [ebx], eax
pop ebp
je 0x7a1428
pop edi
pop esi
mov eax, 1
pop ebx
add esp, 0x240
ret 4
mov eax, dword [esp + 0x250]
push 8
push 0
push eax
mov byte [esi], 0
call edi
xor ecx, ecx
pop edi
test eax, eax
setne cl
mov dword [ebx], eax
pop esi
mov eax, ecx
pop ebx
add esp, 0x240
ret 4
Function at 0x7a18c0
Capabilities:
Get common file path
Read file on windows

Disassembly:
sub esp, 0x284
push ebx
push esi
lea eax, [esp + 0xa4]
push 0x104
push eax
mov dword [esp + 0x14], 0
call dword [sym.imp.kernel32.dll_GetSystemDirectoryA]
mov ebx, dword [esp + 0x290]
push ebx
call fcn.007a1600
lea ecx, [esp + 0xa8]
mov esi, eax
push ecx
call fcn.007a1600
add esi, eax
add esp, 8
cmp esi, 0x104
jb 0x7a1917
pop esi
xor eax, eax
pop ebx
add esp, 0x284
ret
push ebp
push edi
mov edi, 0x87150c
or ecx, 0xffffffff
xor eax, eax
lea edx, [esp + 0xac]
repne scasb al, byte es:[edi]
not ecx
sub edi, ecx
push eax
mov esi, edi
mov ebp, ecx
mov edi, edx
or ecx, 0xffffffff
repne scasb al, byte es:[edi]
mov ecx, ebp
dec edi
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, ebp
lea edx, [esp + 0xb0]
and ecx, 3
push eax
rep movsb byte es:[edi], byte [esi]
mov edi, ebx
or ecx, 0xffffffff
repne scasb al, byte es:[edi]
not ecx
sub edi, ecx
push 3
mov esi, edi
mov ebx, ecx
mov edi, edx
or ecx, 0xffffffff
repne scasb al, byte es:[edi]
mov ecx, ebx
dec edi
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, ebx
push eax
and ecx, 3
push 1
lea eax, [esp + 0xc0]
push 0x80000000
rep movsb byte es:[edi], byte [esi]
push eax
call dword [sym.imp.kernel32.dll_CreateFileA]
mov edi, eax
cmp edi, 0xffffffff
je 0x7a1a87
lea ecx, [esp + 0x78]
push ecx
push edi
call dword [sym.imp.kernel32.dll_GetFileInformationByHandle]
mov eax, dword [esp + 0x9c]
test eax, eax
mov dword [esp + 0x18], eax
je 0x7a1a80
mov ebx, dword [sym.imp.kernel32.dll_GetProcessHeap]
push eax
push 0
call ebx
mov ebp, dword [sym.imp.kernel32.dll_HeapAlloc]
push eax
call ebp
mov esi, eax
test esi, esi
je 0x7a1a80
mov eax, dword [esp + 0x18]
lea edx, [esp + 0x1c]
push 0
push edx
push eax
push esi
push edi
call dword [sym.imp.kernel32.dll_ReadFile]
test eax, eax
je 0x7a1a74
mov ecx, dword [esp + 0x18]
mov eax, dword [esp + 0x1c]
cmp eax, ecx
jne 0x7a1a74
lea edx, [esp + 0x10]
lea eax, [esp + 0x1b4]
push edx
lea ecx, [esp + 0x24]
push eax
lea edx, [esp + 0x40]
push ecx
push edx
push esi
call fcn.007a1670
add esp, 0x14
test al, al
je 0x7a1a74
mov eax, dword [esp + 0x10]
lea ecx, [esp + 0x1b4]
push eax
lea edx, [esp + 0x24]
push ecx
lea eax, [esp + 0x40]
push edx
push eax
call fcn.007a1700
add esp, 0x10
push eax
push 0
call ebx
push eax
call ebp
test eax, eax
mov dword [esp + 0x14], eax
je 0x7a1a74
mov ecx, dword [esp + 0x10]
push eax
lea edx, [esp + 0x1b8]
push ecx
lea eax, [esp + 0x28]
push edx
lea ecx, [esp + 0x44]
push eax
push ecx
push esi
call fcn.007a1790
add esp, 0x18
push esi
push 0
call ebx
push eax
call dword [sym.imp.kernel32.dll_HeapFree]
push edi
call dword [sym.imp.kernel32.dll_CloseHandle]
mov eax, dword [esp + 0x14]
pop edi
pop ebp
pop esi
pop ebx
add esp, 0x284
ret
Function at 0x7a2960
Capabilities:
Create pipe
Create two anonymous pipes

Disassembly:
sub esp, 0x10
push ebx
push ebp
push esi
mov esi, ecx
mov ecx, dword [esi + 4]
push edi
lea eax, [esi + 4]
cmp ecx, 0xffffffff
mov dword [esp + 0x10], eax
je 0x7a2982
pop edi
pop esi
pop ebp
xor al, al
pop ebx
add esp, 0x10
ret
mov ebp, dword [sym.imp.kernel32.dll_GetStdHandle]
push 0xfffffffffffffff5
mov dword [esp + 0x18], 0xc
mov dword [esp + 0x20], 1
mov dword [esp + 0x1c], 0
call ebp
mov dword [esi + 0x1638], eax
lea eax, [esp + 0x14]
lea ebx, [esi + 0x1648]
push 0
lea edi, [esi + 0x1644]
push eax
push ebx
push edi
call dword [sym.imp.kernel32.dll_CreatePipe]
test eax, eax
jne 0x7a29d3
pop edi
pop esi
pop ebp
xor al, al
pop ebx
add esp, 0x10
ret
mov ecx, dword [ebx]
push ecx
push 0xfffffffffffffff5
call dword [sym.imp.kernel32.dll_SetStdHandle]
test eax, eax
jne 0x7a29ec
pop edi
pop esi
pop ebp
xor al, al
pop ebx
add esp, 0x10
ret
mov ebx, dword [sym.imp.kernel32.dll_GetCurrentProcess]
push 2
push 0
lea edx, [esi + 8]
push 0
push edx
call ebx
push eax
mov eax, dword [edi]
push eax
call ebx
push eax
call dword [sym.imp.kernel32.dll_DuplicateHandle]
test eax, eax
jne 0x7a2a19
pop edi
pop esi
pop ebp
xor al, al
pop ebx
add esp, 0x10
ret
mov ecx, dword [edi]
push ecx
call dword [sym.imp.kernel32.dll_CloseHandle]
push 0xfffffffffffffff6
call ebp
lea edx, [esp + 0x14]
mov dword [esi + 0x1634], eax
lea edi, [esi + 0x1640]
push 0
add esi, 0x163c
push edx
push edi
push esi
call dword [sym.imp.kernel32.dll_CreatePipe]
test eax, eax
jne 0x7a2a55
pop edi
pop esi
pop ebp
xor al, al
pop ebx
add esp, 0x10
ret
mov eax, dword [esi]
push eax
push 0xfffffffffffffff6
call dword [sym.imp.kernel32.dll_SetStdHandle]
test eax, eax
jne 0x7a2a6e
pop edi
pop esi
pop ebp
xor al, al
pop ebx
add esp, 0x10
ret
mov ecx, dword [esp + 0x10]
push 2
push 0
push 0
push ecx
call ebx
mov edx, dword [edi]
push eax
push edx
call ebx
push eax
call dword [sym.imp.kernel32.dll_DuplicateHandle]
test eax, eax
jne 0x7a2a96
pop edi
pop esi
pop ebp
xor al, al
pop ebx
add esp, 0x10
ret
mov eax, dword [edi]
push eax
call dword [sym.imp.kernel32.dll_CloseHandle]
pop edi
pop esi
pop ebp
mov al, 1
pop ebx
add esp, 0x10
ret

Function at 0x7a2b20
Capabilities:
Create thread

Disassembly:
push ecx
push esi
push 0
push 0
push 1
mov esi, ecx
push 0
call dword [sym.imp.kernel32.dll_CreateEventA]
test eax, eax
mov dword [esi + 0x10], eax
jne 0x7a2b3c
pop esi
pop ecx
ret
lea eax, [esp + 4]
push eax
push 0
push esi
push 0x7a2c70
push 0
push 0
call dword [sym.imp.kernel32.dll_CreateThread]
test eax, eax
mov dword [esi], eax
jne 0x7a2b5c
pop esi
pop ecx
ret
mov eax, dword [esp + 4]
mov byte [esi + 0x14], 1
pop esi
pop ecx
ret
Function at 0x7a2b70
Capabilities:
Create thread

Disassembly:
push ecx
push esi
mov esi, ecx
push edi
cmp dword [esi + 4], 0xffffffff
jne 0x7a2b81
pop edi
xor eax, eax
pop esi
pop ecx
ret
mov eax, dword [esi + 0x1634]
mov edi, dword [sym.imp.kernel32.dll_SetStdHandle]
push eax
push 0xfffffffffffffff6
call edi
test eax, eax
jne 0x7a2b9a
pop edi
pop esi
pop ecx
ret
mov ecx, dword [esi + 0x1638]
push ecx
push 0xfffffffffffffff5
call edi
test eax, eax
jne 0x7a2bad
pop edi
pop esi
pop ecx
ret
push 0
push 0
push 1
push 0
call dword [sym.imp.kernel32.dll_CreateEventA]
test eax, eax
mov dword [esi + 0x10], eax
jne 0x7a2bc6
pop edi
pop esi
pop ecx
ret
lea edx, [esp + 8]
push edx
push 0
push esi
push 0x7a2c70
push 0
push 0
call dword [sym.imp.kernel32.dll_CreateThread]
mov ecx, dword [esp + 8]
mov dword [esi], eax
neg eax
sbb eax, eax
pop edi
and eax, ecx
pop esi
pop ecx
ret

Function at 0x7a2bf0
Capabilities:
Terminate thread

Disassembly:
push esi
mov esi, ecx
cmp dword [esi + 4], 0xffffffff
jne 0x7a2bfd
xor al, al
pop esi
ret
mov eax, dword [esi + 0x10]
test eax, eax
je 0x7a2c0b
push eax
call dword [sym.imp.kernel32.dll_SetEvent]
mov eax, dword [esi]
push edi
mov edi, dword [sym.imp.kernel32.dll_CloseHandle]
test eax, eax
je 0x7a2c3e
push 0x64
push eax
call dword [sym.imp.kernel32.dll_WaitForSingleObject]
cmp eax, 0x102
jne 0x7a2c33
mov eax, dword [esi]
push 0
push eax
call dword [sym.imp.kernel32.dll_TerminateThread]
mov ecx, dword [esi]
push ecx
call edi
mov dword [esi], 0
mov eax, dword [esi + 4]
cmp eax, 0xffffffff
je 0x7a2c50
push eax
call edi
mov dword [esi + 4], 0xffffffff
mov eax, dword [esi + 8]
cmp eax, 0xffffffff
je 0x7a2c62
push eax
call edi
mov dword [esi + 8], 0xffffffff
pop edi
mov al, 1
pop esi
ret
Function at 0x7a3780
Capabilities:
Encode data using xor

Disassembly:
push edi
mov edi, dword [esp + 8]
push edi
call dword [sym.imp.kernel32.dll_lstrlen]
test eax, eax
je 0x7a3817
mov ecx, edi
push ebx
and ecx, 0xff
push esi
mov byte [0x888a59], cl
mov byte [0x888a58], 1
lea edx, [ecx + ecx*2 + 0x65]
lea ecx, [ecx + ecx*2 + 1]
mov dword [esp + 0x10], edx
mov esi, 4
lea ecx, [ecx + ecx*2]
lea edx, [ecx + 0x65]
inc ecx
test eax, eax
jle 0x7a37ec
push ebp
sub edi, 0x888a5c
mov ebp, eax
mov bl, byte [edi + esi + 0x888a58]
lea ecx, [ecx + ecx*2]
mov al, cl
add al, 0x65
xor bl, al
mov byte [esi + 0x888a58], bl
inc esi
inc ecx
dec ebp
jne 0x7a37d0
pop ebp
mov bl, byte [esp + 0x10]
lea ecx, [esi - 4]
mov eax, ecx
mov byte [esi + 0x888a58], 0
sar eax, 8
xor al, bl
xor dl, cl
pop esi
mov byte [0x888a5a], al
pop ebx
mov byte [0x888a5b], dl
mov eax, 0x888a58
pop edi
ret
mov eax, 0x888a58
pop edi
ret

Function at 0x7a3820
Capabilities:
Encode data using xor

Disassembly:
mov eax, dword [esp + 4]
test eax, eax
jne 0x7a3829
ret
cmp byte [eax], 1
jne 0x7a3884
movsx ecx, byte [eax + 1]
push ebx
mov bl, byte [eax + 2]
lea ecx, [ecx + ecx*2]
push esi
mov dl, cl
push edi
add dl, 0x65
lea ecx, [ecx + ecx*2 + 3]
xor bl, dl
mov dl, cl
mov byte [eax + 2], bl
mov bl, byte [eax + 3]
add dl, 0x65
xor esi, esi
xor bl, dl
xor edx, edx
mov dh, byte [eax + 2]
inc ecx
mov dl, bl
mov byte [eax + 3], bl
mov edi, edx
test edi, edi
jle 0x7a387d
mov bl, byte [esi + eax + 4]
lea ecx, [ecx + ecx*2]
mov dl, cl
add dl, 0x65
xor bl, dl
inc ecx
mov byte [esi + eax], bl
inc esi
cmp esi, edi
jl 0x7a3866
mov byte [edi + eax], 0
pop edi
pop esi
pop ebx
ret
Function at 0x7a3890
Capabilities:
Encode data using xor

Disassembly:
mov al, byte [0x888a50]
sub esp, 0x40c
test al, 1
push ebx
push edi
jne 0x7a38c4
mov bl, al
push 0x8889b0
or bl, 1
mov byte [0x888a50], bl
call dword [sym.imp.kernel32.dll_InitializeCriticalSection]
push 0x7a3a60
call fcn.007a7eda
add esp, 4
mov edi, dword [esp + 0x418]
test edi, edi
jne 0x7a38da
pop edi
xor eax, eax
pop ebx
add esp, 0x40c
ret
push ebp
push esi
push 0x8889b0
call dword [sym.imp.kernel32.dll_EnterCriticalSection]
cmp byte [edi], 1
jne 0x7a393c
movsx eax, byte [edi + 1]
mov dl, byte [edi + 2]
mov bl, byte [edi + 3]
lea eax, [eax + eax*2]
xor esi, esi
mov cl, al
add cl, 0x65
lea eax, [eax + eax*2 + 3]
xor dl, cl
xor ecx, ecx
mov byte [edi + 2], dl
mov ch, byte [edi + 2]
mov dl, al
add dl, 0x65
xor bl, dl
inc eax
mov cl, bl
mov byte [edi + 3], bl
mov ebp, ecx
test ebp, ebp
jle 0x7a3938
mov cl, byte [esi + edi + 4]
lea eax, [eax + eax*2]
mov dl, al
add dl, 0x65
xor cl, dl
inc eax
mov byte [esi + edi], cl
inc esi
cmp esi, ebp
jl 0x7a3921
mov byte [edi + ebp], 0
xor ebx, ebx
call dword [sym.imp.kernel32.dll_GetCurrentThreadId]
mov edx, 1
mov ecx, 0x8889d4
cmp dword [ecx], eax
je 0x7a3960
add ecx, 4
inc edx
cmp ecx, 0x8889f8
jl 0x7a394e
jmp 0x7a3966
test edx, edx
mov ebx, edx
jne 0x7a3981
mov ecx, dword [0x888e58]
cmp ecx, 9
jae 0x7a3981
inc ecx
mov dword [0x888e58], ecx
mov ebx, ecx
mov dword [ecx*4 + 0x8889d0], eax
mov esi, dword [ebx*4 + 0x8889f8]
mov dword [ebx*4 + 0x8889f8], edi
test esi, esi
je 0x7a3a3b
cmp esi, edi
je 0x7a3a3b
cmp byte [edi], 1
je 0x7a3a3b
cmp byte [esi], 1
je 0x7a3a3b
lea edx, [esp + 0x1c]
push esi
push edx
call dword [sym.imp.kernel32.dll_lstrcpy]
lea eax, [esp + 0x1c]
push eax
call dword [sym.imp.kernel32.dll_lstrlen]
test eax, eax
mov dword [esp + 0x18], eax
je 0x7a3a3b
lea ecx, [esp + 0x1c]
mov byte [esi], 1
and ecx, 0xff
mov ebp, 4
mov byte [esi + 1], cl
lea edx, [ecx + ecx*2 + 0x65]
lea ecx, [ecx + ecx*2 + 1]
mov dword [esp + 0x14], edx
xor edx, edx
lea ecx, [ecx + ecx*2]
lea ebx, [ecx + 0x65]
inc ecx
test eax, eax
mov dword [esp + 0x10], ebx
jle 0x7a3a21
mov bl, byte [esp + edx + 0x1c]
lea ecx, [ecx + ecx*2]
mov al, cl
add al, 0x65
xor bl, al
mov eax, dword [esp + 0x18]
mov byte [esi + ebp], bl
inc ebp
inc ecx
inc edx
cmp edx, eax
jl 0x7a3a02
mov ebx, dword [esp + 0x10]
mov dl, byte [esp + 0x14]
lea eax, [ebp - 4]
mov ecx, eax
mov byte [esi + ebp], 0
sar ecx, 8
xor cl, dl
xor bl, al
mov byte [esi + 2], cl
mov byte [esi + 3], bl
push 0x8889b0
call dword [sym.imp.kernel32.dll_LeaveCriticalSection]
pop esi
mov eax, edi
pop ebp
pop edi
pop ebx
add esp, 0x40c
ret

Function at 0x7a7180
Capabilities:
Hash data with crc32

Disassembly:
push ebx
push esi
mov eax, ecx
push edi
xor esi, esi
mov edi, eax
mov edx, esi
mov ebx, 8
test dl, 1
je 0x7a719f
shr edx, 1
xor edx, 0xedb88320
jmp 0x7a71a1
shr edx, 1
dec ebx
jne 0x7a7190
mov dword [edi], edx
inc esi
add edi, 4
cmp esi, 0x100
jl 0x7a7189
pop edi
pop esi
pop ebx
ret
Function at 0x7a7250
Capabilities:
Encode data using xor
Read file on windows

Disassembly:
mov eax, 0x1004
call fcn.007a88c0
mov eax, dword [esp + 0x1008]
push ebp
push esi
mov esi, dword [esp + 0x1014]
test eax, eax
push edi
mov ebp, ecx
mov dword [esi], 0xffffffff
je 0x7a7355
cmp byte [eax], 0
je 0x7a7355
push 0
push 0x80
push 3
push 0
push 3
push 0x80000000
push eax
call dword [sym.imp.kernel32.dll_CreateFileA]
mov edi, eax
cmp edi, 0xffffffff
jne 0x7a72bc
pop edi
mov dword [ebp + 0x400], 2
pop esi
xor al, al
pop ebp
add esp, 0x1004
ret 8
push ebx
lea eax, [esp + 0x10]
push 0
push eax
lea ecx, [esp + 0x1c]
push 0x1000
push ecx
push edi
call dword [sym.imp.kernel32.dll_ReadFile]
test eax, eax
je 0x7a732f
mov ecx, dword [esp + 0x10]
test ecx, ecx
je 0x7a732b
lea ecx, [esp + ecx + 0x14]
lea edx, [esp + 0x14]
cmp edx, ecx
lea eax, [esp + 0x14]
jae 0x7a730d
xor edx, edx
xor ebx, ebx
mov dl, byte [esi]
mov bl, byte [eax]
xor edx, ebx
mov ebx, dword [esi]
shr ebx, 8
mov edx, dword [ebp + edx*4]
xor edx, ebx
inc eax
cmp eax, ecx
mov dword [esi], edx
jb 0x7a72f1
lea eax, [esp + 0x10]
push 0
push eax
lea ecx, [esp + 0x1c]
push 0x1000
push ecx
push edi
call dword [sym.imp.kernel32.dll_ReadFile]
test eax, eax
jne 0x7a72d9
jmp 0x7a732f
test eax, eax
jne 0x7a7339
mov dword [ebp + 0x400], 3
push edi
call dword [sym.imp.kernel32.dll_CloseHandle]
mov edx, dword [esi]
pop ebx
not edx
mov dword [esi], edx
pop edi
pop esi
mov al, 1
pop ebp
add esp, 0x1004
ret 8
pop edi
mov dword [ebp + 0x400], 1
pop esi
xor al, al
pop ebp
add esp, 0x1004
ret 8