joyce8/EMBER2024-capa huggingface dataset:
Function at 0x47f360
Capabilities:
Check for software breakpoints

Disassembly:
push esi
mov esi, dword [esp + 8]
cmp dword [esi + 0x10], 0xca
jne 0x47f393
push esi
call fcn.0048d4e0
mov eax, dword [esi + 0x40]
add esp, 4
test eax, eax
je 0x47f38c
mov dword [esi + 0x10], 0xcf
mov eax, 1
pop esi
ret
mov dword [esi + 0x10], 0xcb
mov eax, dword [esi + 0x10]
cmp eax, 0xcb
jne 0x47f419
mov eax, dword [esi + 0x1b0]
mov ecx, dword [eax + 0x10]
test ecx, ecx
je 0x47f402
mov eax, dword [esi + 8]
test eax, eax
je 0x47f3b7
push esi
call dword [eax]
add esp, 4
mov ecx, dword [esi + 0x1b0]
push esi
call dword [ecx]
add esp, 4
test eax, eax
je 0x47f3fe
cmp eax, 2
je 0x47f402
mov ecx, dword [esi + 8]
test ecx, ecx
je 0x47f3aa
cmp eax, 3
je 0x47f3dd
cmp eax, 1
jne 0x47f3aa
mov eax, dword [ecx + 4]
inc eax
mov dword [ecx + 4], eax
mov eax, dword [esi + 8]
mov ecx, dword [eax + 8]
mov edx, dword [eax + 4]
cmp edx, ecx
jl 0x47f3aa
mov edx, dword [esi + 0x13c]
add edx, ecx
mov dword [eax + 8], edx
jmp 0x47f3aa
xor eax, eax
pop esi
ret
mov eax, dword [esi + 0x90]
push esi
mov dword [esi + 0x98], eax
call fcn.0047f440
add esp, 4
pop esi
ret
cmp eax, 0xcc
je 0x47f428
mov ecx, dword [esi]
push esi
call dword [ecx]
add esp, 4
push esi
call fcn.0047f440
add esp, 4
pop esi
ret

Function at 0x47fcb0
Capabilities:
Terminate process

Disassembly:
mov eax, dword [esp + 4]
test eax, eax
je 0x47fcd1
mov ecx, dword [eax + 0x40]
test ecx, ecx
je 0x47fcd1
mov eax, dword [eax + 0x44]
test eax, eax
je 0x47fcd1
mov edx, dword [esp + 8]
push edx
push eax
call ecx
add esp, 8
push 0
call dword [sym.imp.KERNEL32.dll_ExitProcess]

Function at 0x49de70
Capabilities:
Execute anti-debugging instructions

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x4e5f38
push 0x4b87d4
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x18
push ebx
push esi
push edi
mov dword [ebp - 0x18], esp
mov dword [ebp - 4], 0
push dword [ebp + 0x10]
mov ebx, dword [ebp + 0xc]
rdtsc
mov esi, eax
mov edi, edx
call ebx
rdtsc
pop ebx
mov dword [ebp - 0x28], edx
mov dword [ebp - 0x24], eax
mov dword [ebp - 0x20], edi
mov dword [ebp - 0x1c], esi
mov dword [ebp - 4], 0xffffffff
xor esi, esi
mov edi, dword [ebp - 0x20]
push 1
push esi
push esi
mov eax, dword [ebp - 0x28]
push eax
call fcn.004b6470
sub eax, esi
sbb edx, edi
mov ecx, dword [ebp - 0x1c]
sub eax, ecx
sbb edx, esi
mov ecx, dword [ebp - 0x24]
add eax, ecx
adc edx, esi
mov ecx, dword [ebp - 0x10]
mov dword fs:[0], ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x49e020
Capabilities:
Check os version

Disassembly:
sub esp, 0xa0
push esi
mov esi, dword [sym.imp.KERNEL32.dll_GetVersionExA]
push edi
mov ecx, 0x27
xor eax, eax
lea edi, [esp + 0xc]
rep stosd dword es:[edi], eax
lea eax, [esp + 0xc]
mov dword [esp + 0xc], 0x9c
push eax
call esi
test eax, eax
jne 0x49e061
lea ecx, [esp + 0xc]
mov dword [esp + 0xc], 0x94
push ecx
call esi
test eax, eax
je 0x49e0ce
cmp dword [esp + 0x1c], 2
jne 0x49e0ce
cmp dword [esp + 0x10], 5
jne 0x49e0ce
cmp dword [esp + 0x14], 1
jne 0x49e0ce
push str.kernel32
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
mov edi, eax
test edi, edi
je 0x49e0b8
push str.IsWow64Process
push edi
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
mov esi, eax
test esi, esi
je 0x49e0a9
lea edx, [esp + 8]
push edx
call dword [sym.imp.KERNEL32.dll_GetCurrentProcess]
push eax
call esi
jmp 0x49e0b1
mov dword [esp + 8], 0
push edi
call dword [sym.imp.KERNEL32.dll_FreeLibrary]
mov eax, dword [esp + 8]
test eax, eax
je 0x49e0ce
pop edi
mov eax, 1
pop esi
add esp, 0xa0
ret
pop edi
xor eax, eax
pop esi
add esp, 0xa0
ret

Function at 0x4a0780
Capabilities:
Check for time delay via gettickcount

Disassembly:
sub esp, 0xa0
push ebx
push ebp
mov ebp, dword [esp + 0xac]
push esi
push edi
push ebp
call sub.RASAPI32.dll_RasHangUpA
mov esi, dword [sym.imp.KERNEL32.dll_GetTickCount]
mov ecx, 0x28
xor eax, eax
lea edi, [esp + 0x10]
rep stosd dword es:[edi], eax
mov dword [esp + 0x10], 0xa0
call esi
mov edi, eax
call esi
sub eax, edi
cmp eax, 0xbb8
jae 0x4a07e6
mov ebx, dword [sym.imp.KERNEL32.dll_Sleep]
lea eax, [esp + 0x10]
push eax
push ebp
call sub.RASAPI32.dll_RasGetConnectStatusA
cmp eax, 6
je 0x4a07e6
push 0
call ebx
call esi
sub eax, edi
cmp eax, 0xbb8
jb 0x4a07c7
pop edi
pop esi
pop ebp
pop ebx
add esp, 0xa0
ret

Function at 0x4a0b70
Capabilities:
Create http request

Disassembly:
push esi
mov esi, ecx
cmp dword [esi], 0
jne 0x4a0ba8
mov edx, dword [esi + 4]
xor eax, eax
push 0
push 0
mov ecx, dword [edx - 8]
test ecx, ecx
setne al
mov ecx, eax
neg ecx
sbb ecx, ecx
and ecx, edx
neg eax
sbb eax, eax
push ecx
and eax, 2
inc eax
push eax
push str.Mozilla_4.0__compatible__MSIE_6.0__Windows_NT_5.0_
call dword [sym.imp.WININET.dll_InternetOpenA]
mov dword [esi], eax
mov ecx, dword [esi]
xor eax, eax
test ecx, ecx
setne al
pop esi
ret
Function at 0x4a17d0
Capabilities:
Get socket status

Disassembly:
sub esp, 0x10c
mov eax, dword [ecx]
lea ecx, [esp]
push ecx
push 0
lea edx, [esp + 0x10]
push 0
push edx
push 0
mov dword [esp + 0x14], 0
mov dword [esp + 0x18], 0
mov dword [esp + 0x20], eax
mov dword [esp + 0x1c], 1
call sub.WS2_32.dll_select
cmp eax, 0xffffffff
jne 0x4a1819
xor eax, eax
add esp, 0x10c
ret 4
mov edx, dword [esp + 0x110]
xor ecx, ecx
test eax, eax
setne cl
mov dword [edx], ecx
mov eax, 1
add esp, 0x10c
ret 4

Function at 0x4a1c90
Capabilities:
Access peb ldr_data

Disassembly:
push 0xffffffffffffffff
push 0x4d5bb0
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 8
push esi
mov esi, ecx
lea ecx, [esp + 4]
call fcn.004a1840
lea eax, [esp + 4]
lea ecx, [esi + 4]
push eax
mov dword [esp + 0x18], 0
call fcn.004a18c0
lea ecx, [esp + 4]
push ecx
lea ecx, [esi + 0x14]
call fcn.004a18c0
lea ecx, [esi + 0xc]
call fcn.004c72b2
lea ecx, [esi + 0x10]
call fcn.004c72b2
push 0xffffffffffffffff
push 0
lea ecx, [esi + 0x1c]
call fcn.004a2e50
push 0xffffffffffffffff
push 0
lea ecx, [esi + 0x30]
call fcn.004a2e50
push 0xffffffffffffffff
push 0
lea ecx, [esi + 0x44]
call fcn.004a2e50
lea ecx, [esp + 8]
mov dword [esp + 0x14], 1
call fcn.004c7327
lea ecx, [esp + 4]
mov dword [esp + 0x14], 0xffffffff
call fcn.004c7327
mov ecx, dword [esp + 0xc]
pop esi
mov dword fs:[0], ecx
add esp, 0x14
ret
Function at 0x4a3dc0
Capabilities:
Enumerate files on windows
Enumerate files recursively

Disassembly:
push 0xffffffffffffffff
push 0x4d5f41
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x178
push ebp
mov dword [esp + 8], ecx
push esi
push edi
lea ecx, [esp + 0x24]
call fcn.004a4440
lea ecx, [esp + 0x34]
mov dword [esp + 0x18c], 0
call fcn.004a4440
lea ecx, [esp + 0x14]
mov byte [esp + 0x18c], 1
call fcn.004a4440
mov eax, dword [esp + 0x1a0]
mov edi, dword [esp + 0x19c]
mov ebp, dword [esp + 0x198]
cmp eax, 1
mov byte [esp + 0x18c], 2
jne 0x4a3e3f
mov dword [edi], 0
mov dword [ebp], 0
mov eax, dword [esp + 0x194]
lea ecx, [esp + 0x24]
push eax
call fcn.004a44b0
lea ecx, [esp + 0x24]
push ecx
call fcn.004a4ad0
add esp, 4
lea ecx, [esp + 0x24]
push 0x5040ec
call fcn.004a4530
lea edx, [esp + 0x44]
lea ecx, [esp + 0x24]
push edx
call fcn.00463090
push eax
call dword [sym.imp.KERNEL32.dll_FindFirstFileA]
cmp eax, 0xffffffff
mov dword [esp + 0xc], eax
je 0x4a3fc4
mov esi, 0x5040e0
lea eax, [esp + 0x70]
mov dl, byte [eax]
mov cl, dl
cmp dl, byte [esi]
jne 0x4a3eba
test cl, cl
je 0x4a3eb6
mov dl, byte [eax + 1]
mov cl, dl
cmp dl, byte [esi + 1]
jne 0x4a3eba
add eax, 2
add esi, 2
test cl, cl
jne 0x4a3e96
xor eax, eax
jmp 0x4a3ebf
sbb eax, eax
sbb eax, 0xffffffff
test eax, eax
je 0x4a3fa8
mov esi, 0x5040dc
lea eax, [esp + 0x70]
mov dl, byte [eax]
mov cl, dl
cmp dl, byte [esi]
jne 0x4a3ef4
test cl, cl
je 0x4a3ef0
mov dl, byte [eax + 1]
mov cl, dl
cmp dl, byte [esi + 1]
jne 0x4a3ef4
add eax, 2
add esi, 2
test cl, cl
jne 0x4a3ed0
xor eax, eax
jmp 0x4a3ef9
sbb eax, eax
sbb eax, 0xffffffff
test eax, eax
je 0x4a3fa8
test byte [esp + 0x44], 0x10
mov eax, dword [esp + 0x194]
push eax
jne 0x4a3f51
lea ecx, [esp + 0x38]
call fcn.004a44b0
lea ecx, [esp + 0x34]
push ecx
call fcn.004a4ad0
add esp, 4
lea edx, [esp + 0x70]
lea ecx, [esp + 0x34]
push edx
call fcn.004a4530
push 0
lea ecx, [esp + 0x38]
call fcn.00463090
push eax
call fcn.004b89bd
add esp, 8
test eax, eax
jne 0x4a3fa8
inc dword [ebp]
jmp 0x4a3fa8
lea ecx, [esp + 0x18]
call fcn.004a44b0
lea ecx, [esp + 0x14]
push ecx
call fcn.004a4ad0
add esp, 4
lea edx, [esp + 0x70]
lea ecx, [esp + 0x14]
push edx
call fcn.004a4530
push 0
lea ecx, [esp + 0x18]
call fcn.00463090
push eax
call fcn.004b89bd
add esp, 8
test eax, eax
jne 0x4a3fa8
mov ecx, dword [edi]
push eax
inc ecx
push edi
mov dword [edi], ecx
push ebp
lea ecx, [esp + 0x20]
call fcn.004a4960
mov ecx, dword [esp + 0x1c]
push eax
call fcn.004a3dc0
mov ecx, dword [esp + 0xc]
lea eax, [esp + 0x44]
push eax
push ecx
call dword [sym.imp.KERNEL32.dll_FindNextFileA]
test eax, eax
jne 0x4a3e8d
mov eax, dword [esp + 0xc]
push eax
call dword [sym.imp.KERNEL32.dll_FindClose]
mov esi, dword [ebp]
mov eax, dword [edi]
lea ecx, [esp + 0x14]
add esi, eax
mov byte [esp + 0x18c], 1
call fcn.004a4460
lea ecx, [esp + 0x34]
mov byte [esp + 0x18c], 0
call fcn.004a4460
lea ecx, [esp + 0x24]
mov dword [esp + 0x18c], 0xffffffff
call fcn.004a4460
mov ecx, dword [esp + 0x184]
mov eax, esi
pop edi
pop esi
pop ebp
mov dword fs:[0], ecx
add esp, 0x184
ret 0x10
Function at 0x4a4880
Capabilities:
Access peb ldr_data

Disassembly:
push 0xffffffffffffffff
push 0x4d5fa8
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x10
push esi
mov esi, ecx
lea ecx, [esp + 4]
call fcn.004a4440
mov eax, dword [esp + 0x24]
lea ecx, [esp + 4]
push eax
mov dword [esp + 0x20], 0
call fcn.004a44b0
mov ecx, dword [esp + 0x30]
mov edx, dword [esp + 0x2c]
mov eax, dword [esp + 0x28]
push ecx
push edx
lea ecx, [esp + 0xc]
push eax
push ecx
mov ecx, esi
call fcn.004a47b0
lea ecx, [esp + 4]
mov esi, eax
mov dword [esp + 0x1c], 0xffffffff
call fcn.004a4460
mov ecx, dword [esp + 0x14]
mov eax, esi
pop esi
mov dword fs:[0], ecx
add esp, 0x1c
ret 0x10

Function at 0x4a4b90
Capabilities:
Create directory

Disassembly:
push 0xffffffffffffffff
push 0x4d6020
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x20
push ebx
push esi
push edi
lea ecx, [esp + 0xc]
call fcn.004a4440
xor ebx, ebx
lea ecx, [esp + 0x1c]
mov dword [esp + 0x34], ebx
call fcn.004a4440
mov esi, dword [esp + 0x3c]
lea ecx, [esp + 0xc]
push esi
mov byte [esp + 0x38], 1
call fcn.004a44b0
cmp dword [esp + 0x40], ebx
jne 0x4a4c18
push ebx
push esi
call dword [sym.imp.KERNEL32.dll_CreateDirectoryA]
lea ecx, [esp + 0x1c]
mov esi, eax
mov byte [esp + 0x34], bl
call fcn.004a4460
lea ecx, [esp + 0xc]
mov dword [esp + 0x34], 0xffffffff
call fcn.004a4460
mov eax, esi
pop edi
pop esi
pop ebx
mov ecx, dword [esp + 0x20]
mov dword fs:[0], ecx
add esp, 0x2c
ret
lea eax, [esp + 0xc]
push eax
call fcn.004a4ad0
add esp, 4
lea ecx, [esp + 0xc]
mov esi, 1
call fcn.004630a0
cmp eax, esi
jb 0x4a4c9b
mov edi, dword [sym.imp.KERNEL32.dll_CreateDirectoryA]
push 1
push 1
push esi
push 0x5040f0
lea ecx, [esp + 0x1c]
call fcn.004a4880
cmp eax, 1
jne 0x4a4c8d
push esi
lea ecx, [esp + 0x20]
push eax
push ecx
lea ecx, [esp + 0x18]
call fcn.004a4620
push ebx
lea ecx, [esp + 0x20]
call fcn.004a4960
push eax
call fcn.004b89bd
add esp, 8
test eax, eax
jge 0x4a4c8d
push ebx
lea ecx, [esp + 0x20]
call fcn.00463090
push eax
call edi
test eax, eax
je 0x4a4cd0
lea ecx, [esp + 0xc]
inc esi
call fcn.004630a0
cmp esi, eax
jbe 0x4a4c3d
lea ecx, [esp + 0x1c]
mov byte [esp + 0x34], bl
call fcn.004a4460
lea ecx, [esp + 0xc]
mov dword [esp + 0x34], 0xffffffff
call fcn.004a4460
pop edi
pop esi
mov eax, 1
pop ebx
mov ecx, dword [esp + 0x20]
mov dword fs:[0], ecx
add esp, 0x2c
ret
lea ecx, [esp + 0x1c]
mov byte [esp + 0x34], bl
call fcn.004a4460
lea ecx, [esp + 0xc]
mov dword [esp + 0x34], 0xffffffff
call fcn.004a4460
mov ecx, dword [esp + 0x2c]
pop edi
pop esi
xor eax, eax
pop ebx
mov dword fs:[0], ecx
add esp, 0x2c
ret
Function at 0x4a6920
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 0x4a693b
cmp ebx, 8
jg 0x4a693b
mov eax, 1
jmp 0x4a693d
xor eax, eax
mov esi, dword [esp + 0x14]
push str.bad_pack_level
push eax
push esi
call fcn.004a51a0
mov eax, dword [esi + 0x6af70]
add esp, 0xc
cmp eax, ebp
mov dword [esi + 0x6af78], ebp
jne 0x4a6974
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 + 0x4e6212]
xor ecx, ecx
mov dword [esi + 0x6af98], eax
mov cx, word [ebx*8 + 0x4e6210]
xor edx, edx
mov dword [esi + 0x6af9c], ecx
mov dx, word [ebx*8 + 0x4e6214]
xor eax, eax
mov dword [esi + 0x6afa0], edx
mov ax, word [ebx*8 + 0x4e6216]
cmp ebx, 2
mov dword [esi + 0x6af94], eax
jg 0x4a69d5
mov eax, dword [esp + 0x1c]
or byte [eax], 4
jmp 0x4a69e1
cmp ebx, 8
jl 0x4a69e1
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 0x4a6a5a
cmp eax, 0xffffffff
je 0x4a6a5a
cmp eax, 0x106
mov dword [esi + 0x6af8c], ebp
jae 0x4a6a25
push esi
call fcn.004a6c70
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 0x4a6a2d
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 0x4a7cf0
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
mov ecx, dword [esp + 8]
test ecx, ecx
jne 0x4a7cfb
xor eax, eax
ret
mov eax, dword [esp + 4]
push ebx
push esi
mov esi, dword [esp + 0x14]
cmp esi, 8
not eax
jb 0x4a7dfe
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 + 0x4e6260]
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 + 0x4e6260]
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 + 0x4e6260]
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 + 0x4e6260]
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 + 0x4e6260]
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 + 0x4e6260]
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 + 0x4e6260]
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 + 0x4e6260]
xor eax, edx
inc ecx
dec edi
jne 0x4a7d16
pop edi
test esi, esi
je 0x4a7e20
mov edx, eax
xor ebx, ebx
mov bl, byte [ecx]
and edx, 0xff
xor edx, ebx
shr eax, 8
mov edx, dword [edx*4 + 0x4e6260]
xor eax, edx
inc ecx
dec esi
jne 0x4a7e02
pop esi
pop ebx
not eax
ret
Function at 0x4a7fe0
Capabilities:
Get file size
Parse pe header
Read file on windows

Disassembly:
sub esp, 0x50
push esi
mov esi, dword [esp + 0x58]
push esi
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, 1
je 0x4a7ffe
mov eax, 0x1000000
pop esi
add esp, 0x50
ret
lea eax, [esp + 0x20]
push eax
push esi
call dword [sym.imp.KERNEL32.dll_GetFileInformationByHandle]
test eax, eax
jne 0x4a8018
mov eax, 0x200
pop esi
add esp, 0x50
ret
mov eax, dword [esp + 0x20]
push ebp
mov edx, eax
xor ebp, ebp
and edx, 1
push edi
je 0x4a802c
mov ebp, 1
test al, 2
je 0x4a8033
or ebp, 2
test al, 4
je 0x4a803a
or ebp, 4
mov ecx, eax
and ecx, 0x10
je 0x4a8044
or ebp, 0x10
test al, 0x20
je 0x4a804b
or ebp, 0x20
test ecx, ecx
je 0x4a8057
or ebp, 0x40000000
jmp 0x4a805d
or ebp, 0x80000000
or ebp, 0x1000000
test edx, edx
jne 0x4a806d
or ebp, 0x800000
push ebx
push 0
push esi
call dword [sym.imp.KERNEL32.dll_GetFileSize]
cmp eax, 0x28
mov dword [esp + 0x14], eax
jbe 0x4a811b
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 + 0x6c]
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 + 0x24]
push 4
push ecx
push esi
call ebx
cmp word [esp + 0x64], 0x54ad
jne 0x4a811b
mov eax, dword [esp + 0x1c]
mov ecx, dword [esp + 0x14]
lea edx, [eax + 0x34]
cmp ecx, edx
jbe 0x4a811b
push 0
push 0
push eax
push esi
call edi
lea eax, [esp + 0x10]
push 0
push eax
lea ecx, [esp + 0x2c]
push 4
push ecx
push esi
call ebx
mov eax, dword [esp + 0x24]
cmp eax, 0x5a4d
je 0x4a8115
cmp eax, 0x454e
je 0x4a8115
cmp eax, 0x454c
je 0x4a8115
cmp eax, 0x4550
jne 0x4a811b
or ebp, 0x400000
mov eax, dword [esp + 0x68]
pop ebx
test eax, eax
je 0x4a8126
mov dword [eax], ebp
mov eax, dword [esp + 0x68]
test eax, eax
je 0x4a8134
mov edx, dword [esp + 0x10]
mov dword [eax], edx
mov esi, dword [esp + 0x6c]
mov edi, dword [sym.imp.KERNEL32.dll_FileTimeToLocalFileTime]
test esi, esi
je 0x4a819e
lea eax, [esp + 0x20]
lea ecx, [esp + 0x34]
push eax
push ecx
call edi
lea edx, [esp + 0x18]
lea eax, [esp + 0x3c]
push edx
push eax
call edi
lea ecx, [esp + 0x10]
lea edx, [esp + 0x2c]
push ecx
push edx
call edi
mov eax, dword [esp + 0x24]
mov ecx, dword [esp + 0x20]
push eax
push ecx
call fcn.004a7f20
mov edx, dword [esp + 0x24]
mov dword [esi], eax
mov eax, dword [esp + 0x20]
push edx
push eax
call fcn.004a7f20
mov ecx, dword [esp + 0x24]
mov edx, dword [esp + 0x20]
push ecx
push edx
mov dword [esi + 4], eax
call fcn.004a7f20
add esp, 0x18
mov dword [esi + 8], eax
mov esi, dword [esp + 0x70]
test esi, esi
je 0x4a81e1
lea eax, [esp + 0x3c]
lea ecx, [esp + 0x3c]
push eax
push ecx
call edi
lea edx, [esp + 0x64]
lea eax, [esp + 0x60]
push edx
lea ecx, [esp + 0x40]
push eax
push ecx
call dword [sym.imp.KERNEL32.dll_FileTimeToDosDateTime]
mov edx, dword [esp + 0x60]
mov eax, dword [esp + 0x64]
and edx, 0xffff
and eax, 0xffff
shl edx, 0x10
or edx, eax
mov dword [esi], edx
pop edi
pop ebp
xor eax, eax
pop esi
add esp, 0x50
ret
Function at 0x4a83c0
Capabilities:
Write file on windows

Disassembly:
mov edx, ecx
push ebx
push esi
push edi
mov ebx, dword [edx + 0x18]
test ebx, ebx
je 0x4a8410
mov edi, dword [edx + 0x1c]
mov eax, dword [esp + 0x14]
mov esi, dword [edx + 0x20]
lea ecx, [edi + eax]
cmp ecx, esi
jb 0x4a83ec
pop edi
pop esi
mov dword [edx + 0xc], 0x30000
xor eax, eax
pop ebx
ret 8
mov esi, dword [esp + 0x10]
mov ecx, eax
add edi, ebx
mov ebx, ecx
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, ebx
and ecx, 3
rep movsb byte es:[edi], byte [esi]
mov ecx, dword [edx + 0x1c]
pop edi
add ecx, eax
pop esi
mov dword [edx + 0x1c], ecx
pop ebx
ret 8
mov eax, dword [edx]
test eax, eax
je 0x4a8438
mov ecx, dword [esp + 0x14]
lea edx, [esp + 0x14]
push 0
push edx
mov edx, dword [esp + 0x18]
push ecx
push edx
push eax
call dword [sym.imp.KERNEL32.dll_WriteFile]
mov eax, dword [esp + 0x14]
pop edi
pop esi
pop ebx
ret 8
pop edi
pop esi
mov dword [edx + 0xc], 0x1000000
xor eax, eax
pop ebx
ret 8

Function at 0x4a8860
Capabilities:
Read file on windows

Disassembly:
push ebx
mov ebx, ecx
push ebp
push esi
mov edx, dword [ebx + 0x58]
test edx, edx
je 0x4a88ca
mov eax, dword [ebx + 0x60]
mov ebp, dword [ebx + 0x5c]
cmp eax, ebp
jae 0x4a891b
mov ecx, dword [esp + 0x14]
sub ebp, eax
cmp ebp, ecx
jbe 0x4a8886
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 + 0x60]
mov ecx, dword [ebx + 0x48]
mov eax, dword [ebx + 0x4c]
add edx, ebp
add ecx, ebp
push eax
mov dword [ebx + 0x60], edx
mov dword [ebx + 0x48], ecx
call fcn.004a7cf0
add esp, 0xc
mov dword [ebx + 0x4c], eax
mov eax, ebp
pop edi
pop esi
pop ebp
pop ebx
ret 8
mov eax, dword [ebx + 0x50]
test eax, eax
je 0x4a8914
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 0x4a891b
mov eax, dword [esp + 0x14]
mov ecx, dword [ebx + 0x48]
add ecx, eax
push eax
mov eax, dword [ebx + 0x4c]
push esi
push eax
mov dword [ebx + 0x48], ecx
call fcn.004a7cf0
add esp, 0xc
mov dword [ebx + 0x4c], eax
mov eax, dword [esp + 0x14]
pop esi
pop ebp
pop ebx
ret 8
mov dword [ebx + 0xc], 0x1000000
pop esi
pop ebp
xor eax, eax
pop ebx
ret 8
Function at 0x4ab370
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
mov ecx, dword [esp + 8]
test ecx, ecx
jne 0x4ab37b
xor eax, eax
ret
mov eax, dword [esp + 4]
push ebx
push esi
mov esi, dword [esp + 0x14]
cmp esi, 8
not eax
jb 0x4ab47e
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 + 0x4e7a34]
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 + 0x4e7a34]
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 + 0x4e7a34]
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 + 0x4e7a34]
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 + 0x4e7a34]
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 + 0x4e7a34]
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 + 0x4e7a34]
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 + 0x4e7a34]
xor eax, edx
inc ecx
dec edi
jne 0x4ab396
pop edi
test esi, esi
je 0x4ab4a0
mov edx, eax
xor ebx, ebx
mov bl, byte [ecx]
and edx, 0xff
xor edx, ebx
shr eax, 8
mov edx, dword [edx*4 + 0x4e7a34]
xor eax, edx
inc ecx
dec esi
jne 0x4ab482
pop esi
pop ebx
not eax
ret

Function at 0x4abc50
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 0x4abc91
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 0x4abc86
mov byte [ebx + 8], 1
mov eax, dword [esp + 0xc]
xor edx, edx
div ebp
pop ebp
pop ebx
ret
mov edx, dword [ebx + 0x18]
mov ecx, dword [ebx + 0x14]
push esi
push edi
lea esi, [edx + eax]
cmp esi, ecx
jbe 0x4abca4
sub ecx, edx
mov eax, ecx
mov esi, dword [ebx + 0x10]
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 + 0x18]
pop edi
add ecx, eax
pop esi
div ebp
mov dword [ebx + 0x18], ecx
pop ebp
pop ebx
ret