joyce8/EMBER2024-capa huggingface dataset:
Function at 0x47f2c0
Capabilities:
Delete registry key
Set registry value

Disassembly:
sub esp, 0x1c
push ebx
push ebp
push esi
push edi
call fcn.0047f1a0
test al, al
mov byte [0x5608ac], al
je 0x47f4cb
mov eax, dword [esp + 0x30]
and eax, 0x2000
push eax
call fcn.0047f1d0
call fcn.0047f0f0
push 0
call dword [sym.imp.MSVCRT.dll_time]
push eax
call dword [sym.imp.MSVCRT.dll_srand]
mov edi, str.._tc
or ecx, 0xffffffff
xor eax, eax
add esp, 0xc
repne scasb al, byte es:[edi]
not ecx
sub edi, ecx
mov byte [esp + 0x18], al
mov edx, ecx
mov esi, edi
mov edi, 0x56e0dc
mov dword [esp + 0x19], eax
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ebx, dword [sym.imp.MSVCRT.dll_rand]
mov dword [esp + 0x1d], eax
mov dword [esp + 0x21], eax
mov ecx, edx
mov dword [esp + 0x25], eax
and ecx, 3
mov word [esp + 0x29], ax
rep movsb byte es:[edi], byte [esi]
mov byte [esp + 0x2b], al
call ebx
cdq
mov ecx, 3
mov esi, 0
idiv ecx
mov edi, edx
add edi, ecx
je 0x47f372
call ebx
cdq
mov ecx, 0x1a
idiv ecx
add dl, 0x61
mov byte [esp + esi + 0x18], dl
inc esi
cmp esi, edi
jb 0x47f35c
lea edi, [esp + 0x18]
or ecx, 0xffffffff
xor eax, eax
repne scasb al, byte es:[edi]
not ecx
sub edi, ecx
mov esi, edi
mov edx, ecx
mov edi, 0x56e0dc
or ecx, 0xffffffff
repne scasb al, byte es:[edi]
mov ecx, edx
dec edi
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, edx
lea eax, [esp + 0x30]
and ecx, 3
push eax
push str.SOFTWAREMicrosoft
push reloc.OLEAUT32.dll_SysReAllocString
rep movsb byte es:[edi], byte [esi]
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyA]
mov ebp, dword [sym.imp.ADVAPI32.dll_RegCloseKey]
test eax, eax
jne 0x47f401
mov edx, dword [esp + 0x30]
lea ecx, [esp + 0x10]
push ecx
push str.rename
push edx
call dword [sym.imp.ADVAPI32.dll_RegCreateKeyA]
lea edi, [esp + 0x18]
or ecx, 0xffffffff
xor eax, eax
repne scasb al, byte es:[edi]
not ecx
dec ecx
lea eax, [esp + 0x18]
push ecx
mov ecx, dword [esp + 0x14]
push eax
push 1
push 0
push str.winio
push ecx
call dword [sym.imp.ADVAPI32.dll_RegSetValueExA]
mov edx, dword [esp + 0x10]
push edx
call ebp
mov esi, dword [sym.imp.KERNEL32.dll_CreateFileA]
push 0
push 0x80
push 3
push 0
push 0
push 0xc0000000
push 0x56e0dc
call esi
cmp eax, 0xffffffff
mov dword [0x5320a4], eax
jne 0x47f486
xor edi, edi
push 1
push 0x5608b0
call fcn.0047f610
mov bl, al
test bl, bl
je 0x47f472
call fcn.0047f750
mov bl, al
test bl, bl
je 0x47f472
push 0
push 0x80
push 3
push 0
push 0
push 0xc0000000
push 0x56e0dc
call esi
test eax, eax
mov dword [0x5320a4], eax
je 0x47f477
cmp eax, 0xffffffff
jne 0x47f47d
jmp 0x47f477
mov eax, dword [0x5320a4]
inc edi
cmp edi, 4
jl 0x47f42c
test bl, bl
je 0x47f4cb
cmp eax, 0xffffffff
je 0x47f4cb
lea ecx, [esp + 0x14]
push 0
push ecx
push 0
push 0
push 0
push 0
push 0x8001200c
push eax
call dword [sym.imp.KERNEL32.dll_DeviceIoControl]
push str.rename
mov edx, dword [esp + 0x34]
push edx
call dword [sym.imp.ADVAPI32.dll_RegDeleteKeyA]
mov eax, dword [esp + 0x30]
push eax
call ebp
pop edi
pop esi
pop ebp
mov byte [0x56e0d9], 1
mov al, 1
pop ebx
add esp, 0x1c
ret 4
pop edi
pop esi
pop ebp
xor al, al
pop ebx
add esp, 0x1c
ret 4
Function at 0x47f610
Capabilities:
Create service

Disassembly:
push ebx
mov ebx, dword [esp + 8]
push esi
push edi
push 0x5c
push ebx
call dword [sym.imp.MSVCRT.dll_strrchr]
mov esi, eax
add esp, 8
inc esi
je 0x47f644
mov edi, esi
or ecx, 0xffffffff
xor eax, eax
repne scasb al, byte es:[edi]
not ecx
dec ecx
mov edi, 0x56e1e0
mov eax, ecx
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, eax
jmp 0x47f660
mov edi, ebx
or ecx, 0xffffffff
xor eax, eax
mov esi, ebx
repne scasb al, byte es:[edi]
not ecx
dec ecx
mov edi, 0x56e1e0
mov edx, ecx
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, edx
and ecx, 3
push 0x2e
rep movsb byte es:[edi], byte [esi]
push 0x56e1e0
call dword [sym.imp.MSVCRT.dll_strchr]
add esp, 8
test eax, eax
je 0x47f67c
mov byte [eax], 0
call fcn.0047f6f0
push 0xf003f
push 0
push 0
call dword [sym.imp.ADVAPI32.dll_OpenSCManagerA]
mov esi, eax
test esi, esi
je 0x47f6e8
mov al, byte [esp + 0x14]
push 0
dec al
push 0
neg al
sbb eax, eax
push 0
push 0
and al, 0xfe
push 0
push ebx
add eax, 3
push 1
push eax
push 1
push 0xf01ff
push 0x56e1e0
push 0x56e1e0
push esi
call dword [sym.imp.ADVAPI32.dll_CreateServiceA]
push esi
mov esi, dword [sym.imp.ADVAPI32.dll_CloseServiceHandle]
mov edi, eax
call esi
test edi, edi
je 0x47f6e8
push edi
call esi
call fcn.0047f750
pop edi
pop esi
pop ebx
ret 8
pop edi
pop esi
xor al, al
pop ebx
ret 8

Function at 0x47f7c0
Capabilities:
Stop service

Disassembly:
sub esp, 0x1c
push esi
push edi
push 0xf003f
push 0
push 0
call dword [sym.imp.ADVAPI32.dll_OpenSCManagerA]
mov edi, eax
test edi, edi
je 0x47f81a
push 0xf01ff
push 0x56e1e0
push edi
call dword [sym.imp.ADVAPI32.dll_OpenServiceA]
push edi
mov edi, dword [sym.imp.ADVAPI32.dll_CloseServiceHandle]
mov esi, eax
call edi
test esi, esi
je 0x47f81a
lea eax, [esp + 8]
push ebx
push eax
push 1
push esi
call dword [sym.imp.ADVAPI32.dll_ControlService]
test eax, eax
push esi
setne bl
call edi
mov al, bl
pop ebx
pop edi
pop esi
add esp, 0x1c
ret
pop edi
xor al, al
pop esi
add esp, 0x1c
ret
Function at 0x47f840
Capabilities:
Create thread

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x4fa270
push 0x4603de
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x28
push ebx
push esi
push edi
xor esi, esi
mov dword [ebp - 0x1c], esi
mov dword [ebp - 4], esi
push str.qsefyjil
push esi
push 1
push esi
call dword [sym.imp.KERNEL32.dll_CreateEventA]
mov dword [0x56e6e8], eax
cmp eax, esi
je 0x47f97d
call dword [sym.imp.KERNEL32.dll_GetLastError]
cmp eax, 0xb7
je 0x47f97d
push 0x519b0c
mov eax, dword [ebp + 0x10]
push eax
call dword [sym.imp.MSVCRT.dll_fopen]
add esp, 8
mov edi, eax
mov dword [ebp - 0x34], edi
cmp edi, esi
je 0x47f8e7
mov dword [ebp - 0x38], esi
mov ebx, dword [sym.imp.MSVCRT.dll_fputc]
cmp esi, dword [0x5320e0]
push edi
jae 0x47f8dc
xor ecx, ecx
mov cl, byte [esi + 0x4f37f0]
xor ecx, 0x7d
push ecx
call ebx
add esp, 8
inc esi
mov dword [ebp - 0x38], esi
jmp 0x47f8bc
call dword [sym.imp.MSVCRT.dll_fclose]
add esp, 4
xor esi, esi
cmp dword [ebp + 0x14], esi
je 0x47f903
mov edx, dword [ebp + 0x10]
push edx
mov eax, dword [ebp + 0xc]
push eax
call fcn.0047fdb0
add esp, 8
mov dword [ebp - 0x20], eax
cmp eax, esi
je 0x47f97d
push esi
push 0x80
push 3
push esi
push esi
push 0xc0000000
push str..hkSymbolicLink
call dword [sym.imp.KERNEL32.dll_CreateFileA]
mov dword [0x56e6e0], eax
cmp eax, 0xffffffff
je 0x47f97d
mov dword [ebp - 0x24], esi
push esi
push esi
push esi
push 0x47f830
push esi
push esi
call dword [sym.imp.KERNEL32.dll_CreateThread]
mov dword [ebp - 0x24], eax
cmp eax, esi
je 0x47f97d
mov dword [0x56e6e4], eax
mov ecx, dword [ebp + 8]
mov dword [ebp - 0x28], ecx
push esi
lea edx, [ebp - 0x2c]
push edx
push 4
lea eax, [ebp - 0x30]
push eax
push 8
lea ecx, [ebp - 0x28]
push ecx
push 0x8000201c
mov edx, dword [0x56e6e0]
push edx
call dword [sym.imp.KERNEL32.dll_DeviceIoControl]
mov dword [ebp - 0x20], eax
cmp eax, esi
je 0x47f97d
mov dword [ebp - 0x1c], 1
mov dword [ebp - 4], 0xffffffff
call fcn.0047f9a0
mov eax, edi
mov ecx, dword [ebp - 0x10]
mov dword fs:[0], ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0x10

Function at 0x47f9a0
Capabilities:
Delete file
Terminate thread

Disassembly:
mov edi, dword [ebp - 0x1c]
cmp edi, esi
jne 0x47f9e3
mov eax, dword [0x56e6e8]
cmp eax, esi
je 0x47f9bd
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov dword [0x56e6e8], esi
mov eax, dword [0x56e6e0]
cmp eax, 0xffffffff
je 0x47f9d4
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov dword [0x56e6e0], esi
mov eax, dword [ebp - 0x24]
cmp eax, esi
je 0x47f9e3
push esi
push eax
call dword [sym.imp.KERNEL32.dll_TerminateThread]
mov eax, dword [ebp + 0x10]
push eax
call dword [sym.imp.KERNEL32.dll_DeleteFileA]
ret
Function at 0x47fc60
Capabilities:
Create service

Disassembly:
mov eax, dword [esp + 0xc]
push 0
push 0
push 0
mov ecx, dword [esp + 0x10]
push 0
push 0
push eax
mov eax, dword [esp + 0x20]
push 1
push 3
push 1
push 0xf01ff
push eax
push eax
push ecx
call dword [sym.imp.ADVAPI32.dll_CreateServiceA]
test eax, eax
jne 0x47fcb9
push esi
mov esi, dword [sym.imp.KERNEL32.dll_GetLastError]
call esi
cmp eax, 0x431
je 0x47fcb5
call esi
push eax
push str.failure:_CreateService__error_code:_u_n
push 0x56e6ec
call dword [sym.imp.MSVCRT.dll_sprintf]
add esp, 0xc
xor eax, eax
pop esi
ret
push eax
call dword [sym.imp.ADVAPI32.dll_CloseServiceHandle]
mov eax, 1
ret

Function at 0x47fd60
Capabilities:
Stop service

Disassembly:
mov eax, dword [esp + 8]
mov ecx, dword [esp + 4]
sub esp, 0x1c
push esi
push 0xf01ff
push eax
push ecx
call dword [sym.imp.ADVAPI32.dll_OpenServiceA]
mov esi, eax
test esi, esi
jne 0x47fd84
pop esi
add esp, 0x1c
ret
lea edx, [esp + 4]
push edi
push edx
push 1
push esi
call dword [sym.imp.ADVAPI32.dll_ControlService]
push esi
mov edi, eax
call dword [sym.imp.ADVAPI32.dll_CloseServiceHandle]
mov eax, edi
pop edi
pop esi
add esp, 0x1c
ret

Function at 0x4816a0
Capabilities:
Encode data using xor

Disassembly:
push ebx
mov ebx, dword [esp + 0xc]
push ebp
xor ebp, ebp
push esi
cmp ebx, 1
push edi
jl 0x4816bb
cmp ebx, 8
jg 0x4816bb
mov eax, 1
jmp 0x4816bd
xor eax, eax
mov esi, dword [esp + 0x14]
push str.bad_pack_level
push eax
push esi
call fcn.0047ff10
mov eax, dword [esi + 0x6af70]
add esp, 0xc
cmp eax, ebp
mov dword [esi + 0x6af78], ebp
jne 0x4816f4
mov dword [esi + 0x6af78], 1
mov dword [esi + 0x6af70], 0x10000
mov ecx, 0x7fff
xor eax, eax
lea edi, [esi + 0x4af70]
mov dword [esi + 0x6af6c], ebp
rep stosd dword es:[edi], eax
mov ax, word [ebx*8 + 0x4fa3d2]
xor ecx, ecx
mov dword [esi + 0x6af98], eax
mov cx, word [ebx*8 + 0x4fa3d0]
xor edx, edx
mov dword [esi + 0x6af9c], ecx
mov dx, word [ebx*8 + 0x4fa3d4]
xor eax, eax
mov dword [esi + 0x6afa0], edx
mov ax, word [ebx*8 + 0x4fa3d6]
cmp ebx, 2
mov dword [esi + 0x6af94], eax
jg 0x481755
mov eax, dword [esp + 0x1c]
or byte [eax], 4
jmp 0x481761
cmp ebx, 8
jl 0x481761
mov eax, dword [esp + 0x1c]
or byte [eax], 2
lea edi, [esi + 0x1af70]
push 0x10000
push edi
push esi
mov dword [esi + 0x6af84], ebp
mov dword [esi + 0x6af74], ebp
call dword [esi + 0xc]
add esp, 0xc
cmp eax, ebp
mov dword [esi + 0x6af90], eax
je 0x4817da
cmp eax, 0xffffffff
je 0x4817da
cmp eax, 0x106
mov dword [esi + 0x6af8c], ebp
jae 0x4817a5
push esi
call fcn.004819f0
add esp, 4
mov dword [esi + 0x6af7c], ebp
xor eax, eax
mov edx, dword [esi + 0x6af7c]
xor ecx, ecx
mov cl, byte [edi + eax]
and edx, 0x3ff
and ecx, 0x7fff
shl edx, 5
xor ecx, edx
inc eax
cmp eax, 2
mov dword [esi + 0x6af7c], ecx
jb 0x4817ad
pop edi
pop esi
pop ebp
pop ebx
ret
mov dword [esi + 0x6af8c], 1
mov dword [esi + 0x6af90], ebp
pop edi
pop esi
pop ebp
pop ebx
ret
Function at 0x482a70
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
mov ecx, dword [esp + 8]
test ecx, ecx
jne 0x482a7b
xor eax, eax
ret
mov eax, dword [esp + 4]
push ebx
push esi
mov esi, dword [esp + 0x14]
cmp esi, 8
not eax
jb 0x482b7e
push edi
mov edi, esi
shr edi, 3
mov edx, eax
xor ebx, ebx
mov bl, byte [ecx]
and edx, 0xff
xor edx, ebx
mov ebx, eax
shr ebx, 8
mov eax, dword [edx*4 + 0x4fa420]
sub esi, 8
xor eax, ebx
inc ecx
mov edx, eax
xor ebx, ebx
mov bl, byte [ecx]
and edx, 0xff
xor edx, ebx
xor ebx, ebx
mov bl, byte [ecx + 1]
mov edx, dword [edx*4 + 0x4fa420]
shr eax, 8
xor edx, eax
inc ecx
mov eax, edx
and eax, 0xff
xor eax, ebx
xor ebx, ebx
mov bl, byte [ecx + 1]
mov eax, dword [eax*4 + 0x4fa420]
shr edx, 8
xor eax, edx
inc ecx
mov edx, eax
and edx, 0xff
xor edx, ebx
xor ebx, ebx
mov bl, byte [ecx + 1]
mov edx, dword [edx*4 + 0x4fa420]
shr eax, 8
xor edx, eax
inc ecx
mov eax, edx
and eax, 0xff
xor eax, ebx
xor ebx, ebx
mov bl, byte [ecx + 1]
mov eax, dword [eax*4 + 0x4fa420]
shr edx, 8
xor eax, edx
inc ecx
mov edx, eax
and edx, 0xff
xor edx, ebx
xor ebx, ebx
mov bl, byte [ecx + 1]
mov edx, dword [edx*4 + 0x4fa420]
shr eax, 8
xor edx, eax
inc ecx
mov eax, edx
and eax, 0xff
xor eax, ebx
xor ebx, ebx
mov bl, byte [ecx + 1]
mov eax, dword [eax*4 + 0x4fa420]
shr edx, 8
xor eax, edx
inc ecx
mov edx, eax
and edx, 0xff
xor edx, ebx
shr eax, 8
mov edx, dword [edx*4 + 0x4fa420]
xor eax, edx
inc ecx
dec edi
jne 0x482a96
pop edi
test esi, esi
je 0x482ba0
mov edx, eax
xor ebx, ebx
mov bl, byte [ecx]
and edx, 0xff
xor edx, ebx
shr eax, 8
mov edx, dword [edx*4 + 0x4fa420]
xor eax, edx
inc ecx
dec esi
jne 0x482b82
pop esi
pop ebx
not eax
ret

Function at 0x482bb0
Capabilities:
Generate random numbers using the delphi lcg
Hash data with crc32

Disassembly:
mov ecx, dword [esp + 4]
push esi
mov esi, dword [esp + 0xc]
mov edx, dword [ecx]
and esi, 0xff
mov eax, edx
and eax, 0xff
xor eax, esi
shr edx, 8
mov eax, dword [eax*4 + 0x4fa420]
xor eax, edx
mov edx, dword [ecx + 4]
mov dword [ecx], eax
and eax, 0xff
add eax, edx
mov edx, dword [ecx + 8]
imul eax, eax, 0x8088405
inc eax
mov esi, edx
mov dword [ecx + 4], eax
and esi, 0xff
shr eax, 0x18
xor eax, esi
pop esi
shr edx, 8
mov eax, dword [eax*4 + 0x4fa420]
xor eax, edx
mov dword [ecx + 8], eax
ret
Function at 0x482dc0
Capabilities:
Get file size
Parse pe header
Read file on windows

Disassembly:
sub esp, 0x44
lea eax, [esp + 0x10]
push esi
mov esi, dword [esp + 0x4c]
push eax
push esi
call dword [sym.imp.KERNEL32.dll_GetFileInformationByHandle]
test eax, eax
jne 0x482de2
mov eax, 0x200
pop esi
add esp, 0x44
ret
mov eax, dword [esp + 0x14]
push ebp
mov edx, eax
xor ebp, ebp
and edx, 1
je 0x482df5
mov ebp, 1
test al, 2
je 0x482dfc
or ebp, 2
test al, 4
je 0x482e03
or ebp, 4
mov ecx, eax
and ecx, 0x10
je 0x482e0d
or ebp, 0x10
test al, 0x20
je 0x482e14
or ebp, 0x20
test ecx, ecx
je 0x482e20
or ebp, 0x40000000
jmp 0x482e26
or ebp, 0x80000000
or ebp, 0x1000000
test edx, edx
jne 0x482e36
or ebp, 0x800000
push ebx
push edi
push 0
push esi
call dword [sym.imp.KERNEL32.dll_GetFileSize]
cmp eax, 0x28
mov dword [esp + 0x14], eax
jbe 0x482ee5
mov edi, dword [sym.imp.KERNEL32.dll_SetFilePointer]
push 0
push 0
push 0
push esi
call edi
mov ebx, dword [sym.imp.KERNEL32.dll_ReadFile]
lea ecx, [esp + 0x10]
push 0
push ecx
lea edx, [esp + 0x60]
push 2
push edx
push esi
call ebx
push 0
push 0
push 0x24
push esi
call edi
lea eax, [esp + 0x10]
push 0
push eax
lea ecx, [esp + 0x20]
push 4
push ecx
push esi
call ebx
cmp word [esp + 0x58], 0x54ad
jne 0x482ee5
mov eax, dword [esp + 0x18]
mov ecx, dword [esp + 0x14]
lea edx, [eax + 0x34]
cmp ecx, edx
jbe 0x482ee5
push 0
push 0
push eax
push esi
call edi
lea eax, [esp + 0x10]
push 0
push eax
lea ecx, [esp + 0x24]
push 4
push ecx
push esi
call ebx
mov eax, dword [esp + 0x1c]
cmp eax, 0x5a4d
je 0x482edf
cmp eax, 0x454e
je 0x482edf
cmp eax, 0x454c
je 0x482edf
cmp eax, 0x4550
jne 0x482ee5
or ebp, 0x400000
mov eax, dword [esp + 0x5c]
pop edi
test eax, eax
pop ebx
je 0x482ef1
mov dword [eax], ebp
mov eax, dword [esp + 0x58]
pop ebp
test eax, eax
je 0x482f00
mov edx, dword [esp + 8]
mov dword [eax], edx
mov esi, dword [esp + 0x58]
test esi, esi
je 0x482f49
mov eax, dword [esp + 0x24]
mov ecx, dword [esp + 0x20]
push eax
push ecx
call fcn.00482d20
mov dword [esi], eax
mov eax, dword [esp + 0x30]
mov dword [esi + 4], edx
mov edx, dword [esp + 0x34]
push edx
push eax
call fcn.00482d20
mov ecx, dword [esp + 0x2c]
mov dword [esi + 8], eax
mov dword [esi + 0xc], edx
mov edx, dword [esp + 0x28]
push ecx
push edx
call fcn.00482d20
mov dword [esi + 0x10], eax
add esp, 0x18
mov dword [esi + 0x14], edx
mov esi, dword [esp + 0x5c]
test esi, esi
je 0x482f88
mov edx, dword [esp + 0x2c]
lea eax, [esp + 0x50]
lea ecx, [esp + 0x4c]
push eax
mov eax, dword [esp + 0x2c]
push ecx
push edx
push eax
call fcn.00482d50
mov ecx, dword [esp + 0x5c]
mov edx, dword [esp + 0x60]
and ecx, 0xffff
and edx, 0xffff
shl ecx, 0x10
add esp, 0x10
or ecx, edx
mov dword [esi], ecx
xor eax, eax
pop esi
add esp, 0x44
ret
Function at 0x483140
Capabilities:
Write file on windows

Disassembly:
push ebx
mov ebx, ecx
push ebp
mov ebp, dword [esp + 0x10]
mov al, byte [ebx + 0x2d]
push esi
mov esi, dword [esp + 0x10]
push edi
test al, al
je 0x4831c5
mov eax, dword [ebx + 0x3c]
test eax, eax
je 0x483171
cmp dword [ebx + 0x40], ebp
jae 0x483171
push eax
call sub.MFC42.DLL_operatordelete
add esp, 4
mov dword [ebx + 0x3c], 0
mov eax, dword [ebx + 0x3c]
test eax, eax
jne 0x48318b
lea eax, [ebp + ebp]
push eax
call sub.MFC42.DLL_operatornew
add esp, 4
mov dword [ebx + 0x3c], eax
mov dword [ebx + 0x40], ebp
mov edi, dword [ebx + 0x3c]
mov ecx, ebp
mov edx, ecx
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, edx
and ecx, 3
rep movsb byte es:[edi], byte [esi]
xor esi, esi
test ebp, ebp
jbe 0x4831c2
lea edi, [ebx + 0x30]
mov eax, dword [ebx + 0x3c]
mov cl, byte [esi + eax]
push ecx
push edi
call fcn.00482c10
mov edx, dword [ebx + 0x3c]
add esp, 8
mov byte [esi + edx], al
inc esi
cmp esi, ebp
jb 0x4831a7
mov esi, dword [ebx + 0x3c]
mov edx, dword [ebx + 0x20]
test edx, edx
je 0x48320d
mov eax, dword [ebx + 0x24]
mov edi, dword [ebx + 0x28]
lea ecx, [eax + ebp]
cmp ecx, edi
jb 0x4831e9
pop edi
pop esi
mov dword [ebx + 0x14], 0x30000
pop ebp
xor eax, eax
pop ebx
ret 8
mov ecx, ebp
lea edi, [eax + edx]
mov edx, ecx
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, edx
and ecx, 3
rep movsb byte es:[edi], byte [esi]
mov eax, dword [ebx + 0x24]
pop edi
add eax, ebp
pop esi
mov dword [ebx + 0x24], eax
mov eax, ebp
pop ebp
pop ebx
ret 8
mov eax, dword [ebx + 4]
test eax, eax
je 0x48322f
lea ecx, [esp + 0x14]
push 0
push ecx
push ebp
push esi
push eax
call dword [sym.imp.KERNEL32.dll_WriteFile]
mov eax, dword [esp + 0x14]
pop edi
pop esi
pop ebp
pop ebx
ret 8
pop edi
pop esi
mov dword [ebx + 0x14], 0x1000000
pop ebp
xor eax, eax
pop ebx
ret 8
Function at 0x4836c0
Capabilities:
Read file on windows

Disassembly:
push ebx
mov ebx, ecx
push ebp
push esi
mov edx, dword [ebx + 0x84]
test edx, edx
je 0x483739
mov eax, dword [ebx + 0x8c]
mov ebp, dword [ebx + 0x88]
cmp eax, ebp
jae 0x48378a
mov ecx, dword [esp + 0x14]
sub ebp, eax
cmp ebp, ecx
jbe 0x4836ef
mov ebp, ecx
mov ecx, ebp
lea esi, [eax + edx]
mov eax, dword [esp + 0x10]
mov edx, ecx
push edi
mov edi, eax
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, edx
push ebp
and ecx, 3
push eax
rep movsb byte es:[edi], byte [esi]
mov edx, dword [ebx + 0x8c]
mov ecx, dword [ebx + 0x74]
mov eax, dword [ebx + 0x78]
add edx, ebp
add ecx, ebp
push eax
mov dword [ebx + 0x8c], edx
mov dword [ebx + 0x74], ecx
call fcn.00482a70
add esp, 0xc
mov dword [ebx + 0x78], eax
mov eax, ebp
pop edi
pop esi
pop ebp
pop ebx
ret 8
mov eax, dword [ebx + 0x7c]
test eax, eax
je 0x483783
mov edx, dword [esp + 0x14]
mov esi, dword [esp + 0x10]
lea ecx, [esp + 0x14]
push 0
push ecx
push edx
push esi
push eax
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
je 0x48378a
mov eax, dword [esp + 0x14]
mov ecx, dword [ebx + 0x74]
add ecx, eax
push eax
mov eax, dword [ebx + 0x78]
push esi
push eax
mov dword [ebx + 0x74], ecx
call fcn.00482a70
add esp, 0xc
mov dword [ebx + 0x78], eax
mov eax, dword [esp + 0x14]
pop esi
pop ebp
pop ebx
ret 8
mov dword [ebx + 0x14], 0x1000000
pop esi
pop ebp
xor eax, eax
pop ebx
ret 8
Function at 0x486160
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
mov ecx, dword [esp + 8]
test ecx, ecx
jne 0x48616b
xor eax, eax
ret
mov eax, dword [esp + 4]
push ebx
push esi
mov esi, dword [esp + 0x14]
cmp esi, 8
not eax
jb 0x48626e
push edi
mov edi, esi
shr edi, 3
mov edx, eax
xor ebx, ebx
mov bl, byte [ecx]
and edx, 0xff
xor edx, ebx
mov ebx, eax
shr ebx, 8
mov eax, dword [edx*4 + 0x4fa420]
sub esi, 8
xor eax, ebx
inc ecx
mov edx, eax
xor ebx, ebx
mov bl, byte [ecx]
and edx, 0xff
xor edx, ebx
xor ebx, ebx
mov bl, byte [ecx + 1]
mov edx, dword [edx*4 + 0x4fa420]
shr eax, 8
xor edx, eax
inc ecx
mov eax, edx
and eax, 0xff
xor eax, ebx
xor ebx, ebx
mov bl, byte [ecx + 1]
mov eax, dword [eax*4 + 0x4fa420]
shr edx, 8
xor eax, edx
inc ecx
mov edx, eax
and edx, 0xff
xor edx, ebx
xor ebx, ebx
mov bl, byte [ecx + 1]
mov edx, dword [edx*4 + 0x4fa420]
shr eax, 8
xor edx, eax
inc ecx
mov eax, edx
and eax, 0xff
xor eax, ebx
xor ebx, ebx
mov bl, byte [ecx + 1]
mov eax, dword [eax*4 + 0x4fa420]
shr edx, 8
xor eax, edx
inc ecx
mov edx, eax
and edx, 0xff
xor edx, ebx
xor ebx, ebx
mov bl, byte [ecx + 1]
mov edx, dword [edx*4 + 0x4fa420]
shr eax, 8
xor edx, eax
inc ecx
mov eax, edx
and eax, 0xff
xor eax, ebx
xor ebx, ebx
mov bl, byte [ecx + 1]
mov eax, dword [eax*4 + 0x4fa420]
shr edx, 8
xor eax, edx
inc ecx
mov edx, eax
and edx, 0xff
xor edx, ebx
shr eax, 8
mov edx, dword [edx*4 + 0x4fa420]
xor eax, edx
inc ecx
dec edi
jne 0x486186
pop edi
test esi, esi
je 0x486290
mov edx, eax
xor ebx, ebx
mov bl, byte [ecx]
and edx, 0xff
xor edx, ebx
shr eax, 8
mov edx, dword [edx*4 + 0x4fa420]
xor eax, edx
inc ecx
dec esi
jne 0x486272
pop esi
pop ebx
not eax
ret

Function at 0x4862a0
Capabilities:
Generate random numbers using the delphi lcg
Hash data with crc32

Disassembly:
mov ecx, dword [esp + 4]
push esi
mov esi, dword [esp + 0xc]
mov edx, dword [ecx]
and esi, 0xff
mov eax, edx
and eax, 0xff
xor eax, esi
shr edx, 8
mov eax, dword [eax*4 + 0x4fa420]
xor eax, edx
mov edx, dword [ecx + 4]
mov dword [ecx], eax
and eax, 0xff
add eax, edx
mov edx, dword [ecx + 8]
imul eax, eax, 0x8088405
inc eax
mov esi, edx
mov dword [ecx + 4], eax
and esi, 0xff
shr eax, 0x18
xor eax, esi
pop esi
shr edx, 8
mov eax, dword [eax*4 + 0x4fa420]
xor eax, edx
mov dword [ecx + 8], eax
ret
Function at 0x486cc0
Capabilities:
Read file on windows

Disassembly:
push ebx
mov ebx, dword [esp + 0x14]
push ebp
mov ebp, dword [esp + 0x10]
mov cl, byte [ebx]
mov eax, ebp
imul eax, dword [esp + 0x14]
test cl, cl
je 0x486d01
mov edx, dword [esp + 0xc]
lea ecx, [esp + 0xc]
push 0
push ecx
push eax
mov eax, dword [ebx + 4]
push edx
push eax
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
jne 0x486cf6
mov byte [ebx + 8], 1
mov eax, dword [esp + 0xc]
xor edx, edx
div ebp
pop ebp
pop ebx
ret
mov edx, dword [ebx + 0x1c]
mov ecx, dword [ebx + 0x18]
push esi
push edi
lea esi, [edx + eax]
cmp esi, ecx
jbe 0x486d14
sub ecx, edx
mov eax, ecx
mov esi, dword [ebx + 0x14]
mov edi, dword [esp + 0x14]
mov ecx, eax
add esi, edx
mov edx, ecx
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, edx
xor edx, edx
and ecx, 3
rep movsb byte es:[edi], byte [esi]
mov ecx, dword [ebx + 0x1c]
pop edi
add ecx, eax
pop esi
div ebp
mov dword [ebx + 0x1c], ecx
pop ebp
pop ebx
ret