joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4d6040
Capabilities:
Access peb ldr_data

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x5155d8
mov eax, dword fs:[0]
push eax
sub esp, 0x24
push esi
push edi
mov eax, dword [0x55a2d4]
xor eax, ebp
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov esi, ecx
push 8
mov dword [esi + 0x30], 0
mov dword [esi + 8], 0
mov dword [esi + 0x10], 0
mov dword [esi + 0x14], 0x201
mov dword [esi + 0x18], 6
mov dword [esi + 0x1c], 0
mov dword [esi + 0x20], 0
mov dword [esi + 0x24], 0
mov dword [esi + 0x28], 0
mov dword [esi + 0x2c], 0
mov dword [esi + 0xc], 0
call fcn.0041f6e0
mov edi, eax
add esp, 4
test edi, edi
je 0x4d60e3
xorps xmm0, xmm0
movq qword [edi], xmm0
push 1
mov dword [ebp - 4], 0
call fcn.004e417d
add esp, 4
mov dword [edi + 4], eax
jmp 0x4d60e5
xor edi, edi
mov eax, dword [ebp + 8]
mov dword [esi + 0x30], edi
mov dword [esi + 0x38], eax
mov dword [esi + 0x3c], 0
mov ecx, dword [edi + 4]
mov dword [ebp - 4], 1
mov dword [ebp - 0x10], ecx
mov eax, dword [ecx]
call dword [eax + 4]
lea eax, [ebp - 0x14]
mov dword [ebp - 4], 2
push eax
call fcn.0044f7d0
add esp, 4
mov ecx, eax
mov edx, dword [eax]
push 0x20
call dword [edx + 0x30]
movzx edi, ax
mov ecx, dword [ebp - 0x10]
mov dword [ebp - 4], 3
test ecx, ecx
je 0x4d6145
mov eax, dword [ecx]
call dword [eax + 8]
test eax, eax
je 0x4d6145
mov edx, dword [eax]
mov ecx, eax
push 1
call dword [edx]
cmp dword [esi + 0x38], 0
mov dword [ebp - 4], 0xffffffff
mov word [esi + 0x40], di
jne 0x4d6169
mov eax, dword [esi + 0xc]
mov ecx, dword [esi + 0x10]
and eax, 0x13
or eax, 4
mov dword [esi + 0xc], eax
and ecx, eax
jne 0x4d618b
cmp byte [ebp + 0xc], 0
je 0x4d6178
push esi
call fcn.004e5200
add esp, 4
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
mov esp, ebp
pop ebp
ret 8
test cl, 4
je 0x4d6197
mov esi, str.ios_base::badbit_set
jmp 0x4d61a7
test cl, 2
mov esi, str.ios_base::failbit_set
mov eax, str.ios_base::eofbit_set
cmove esi, eax
lea eax, [ebp - 0x1c]
push 1
push eax
call fcn.00452880
add esp, 8
lea ecx, [ebp - 0x30]
push eax
push esi
call fcn.004502d0
push 0x54aa1c
lea eax, [ebp - 0x30]
push eax
call fcn.00480eef
int3
Function at 0x4d8990
Capabilities:
Delete file

Disassembly:
push ebp
mov ebp, esp
push 0
push dword [ebp + 8]
call fcn.004d8fa0
add esp, 8
test al, al
je 0x4d89b5
push dword [ebp + 8]
call dword [sym.imp.KERNEL32.dll_DeleteFileW]
test eax, eax
je 0x4d89b5
mov al, 1
pop ebp
ret
xor al, al
pop ebp
ret

Function at 0x4d8fa0
Capabilities:
Set file attributes

Disassembly:
push ebp
mov ebp, esp
push dword [ebp + 0xc]
push dword [ebp + 8]
call dword [sym.imp.KERNEL32.dll_SetFileAttributesW]
test eax, eax
setne al
pop ebp
ret

Function at 0x4da460
Capabilities:
Get file size

Disassembly:
push ebp
mov ebp, esp
push ecx
push esi
lea eax, [ebp - 4]
push eax
push dword [ecx]
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov esi, eax
cmp esi, 0xffffffff
jne 0x4da48b
call dword [sym.imp.KERNEL32.dll_GetLastError]
test eax, eax
je 0x4da48b
xor al, al
pop esi
mov esp, ebp
pop ebp
ret 4
mov eax, dword [ebp + 8]
xor ecx, ecx
mov edx, dword [ebp - 4]
add ecx, esi
pop esi
adc edx, 0
mov dword [eax], ecx
mov dword [eax + 4], edx
mov al, 1
mov esp, ebp
pop ebp
ret 4
Function at 0x4dbb30
Capabilities:
Print debug messages

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x515cf8
mov eax, dword fs:[0]
push eax
sub esp, 0x24
mov eax, dword [0x55a2d4]
xor eax, ebp
mov dword [ebp - 0x10], eax
push esi
push edi
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov eax, dword [0x55f51c]
mov esi, dword [ebp + 8]
test al, 1
jne 0x4dbb9c
or eax, 1
mov dword [0x55f51c], eax
call dword [sym.imp.KERNEL32.dll_GetProcessHeap]
push 0x519500
mov dword [0x55f510], 0x51d858
mov dword [0x55f514], eax
mov byte [0x55f518], 0
call fcn.00445e25
mov eax, dword [0x55f51c]
add esp, 4
test al, 2
jne 0x4dbbf8
or eax, 2
mov dword [0x55f520], 0x51d870
mov dword [0x55f51c], eax
xor eax, eax
push 0x519530
mov dword [0x55f524], 0x55f510
mov dword [0x55f534], 2
mov dword [0x55f52c], 0
mov dword [0x55f530], 0
mov dword [0x55f538], eax
mov dword [0x55f528], 0x55f520
call fcn.00445e25
add esp, 4
mov eax, dword [0x55f520]
mov ecx, 0x55f520
mov eax, dword [eax + 0xc]
call eax
add eax, 0x10
mov dword [ebp - 0x24], eax
push esi
lea eax, [ebp - 0x24]
mov dword [ebp - 4], 0
push 0x53a198
push eax
call fcn.0040c190
mov esi, dword [ebp - 0x24]
add esp, 0xc
push esi
call dword [sym.imp.KERNEL32.dll_OutputDebugStringW]
push 0
push 0
push 3
push 0
push 0
push 0xc0000000
push esi
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov dword [ebp - 0x30], eax
cmp eax, 0xffffffff
jne 0x4dbc55
xor edi, edi
jmp 0x4dbd08
push 0
lea ecx, [ebp - 0x24]
mov dword [ebp - 0x24], 0
push ecx
push 0x10
lea ecx, [ebp - 0x20]
xorps xmm0, xmm0
push ecx
push 0
push 0
push 0x8000c010
push eax
movups xmmword [ebp - 0x20], xmm0
call dword [sym.imp.KERNEL32.dll_DeviceIoControl]
mov edi, eax
test edi, edi
jne 0x4dbc8c
push str.AUTH_fail__n
jmp 0x4dbcf8
lea eax, [ebp - 0x2c]
mov dword [ebp - 0x28], 0
push eax
lea eax, [ebp - 0x28]
mov dword [ebp - 0x2c], 0
push eax
push 0x24
push str.6804FACB_33CC_48a8_99B1_4E2A487F9638
push 0x10
lea eax, [ebp - 0x20]
push eax
call fcn.004dbeb0
mov edi, eax
test edi, edi
jne 0x4dbcc1
push str.Base64_fail__n
jmp 0x4dbcf8
mov edi, dword [ebp - 0x28]
lea eax, [ebp - 0x24]
push 0
push eax
push 0
push 0
push dword [ebp - 0x2c]
push edi
push 0x8000c014
push dword [ebp - 0x30]
call dword [sym.imp.KERNEL32.dll_DeviceIoControl]
push edi
mov dword [ebp - 0x28], eax
call fcn.004aa95c
mov edi, dword [ebp - 0x28]
add esp, 4
test edi, edi
jne 0x4dbcff
push str.Enable_fail__n
mov eax, dword [sym.imp.KERNEL32.dll_OutputDebugStringW]
call eax
push dword [ebp - 0x30]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov dword [ebp - 4], 0xffffffff
add esi, 0xfffffff0
or ecx, 0xffffffff
lock xadd dword [esi + 0xc], ecx
dec ecx
test ecx, ecx
jg 0x4dbd27
mov ecx, dword [esi]
push esi
mov edx, dword [ecx]
call dword [edx + 4]
mov eax, edi
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
mov ecx, dword [ebp - 0x10]
xor ecx, ebp
call fcn.00445e3a
mov esp, ebp
pop ebp
ret 4
Function at 0x4e1480
Capabilities:
Query or enumerate registry value

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x516661
mov eax, dword fs:[0]
push eax
sub esp, 0x20
mov eax, dword [0x55a2d4]
xor eax, ebp
mov dword [ebp - 0x10], eax
push ebx
push esi
push edi
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov edi, dword [ebp + 8]
mov esi, dword [ebp + 0xc]
mov ebx, dword [ebp + 0x14]
mov dword [ebp - 0x28], edi
mov dword [ebp - 0x24], 0
mov dword [ebp - 4], 1
mov dword [ebp - 0x1c], 0
mov dword [edi], 0
call fcn.00421fb0
mov ecx, eax
test ecx, ecx
je 0x4e1614
mov eax, dword [ecx]
call dword [eax + 0xc]
add eax, 0x10
mov dword [edi], eax
lea eax, [ebp - 0x1c]
mov dword [ebp - 0x24], 1
push eax
push 0xf003f
push 0
push dword [ebp + 0x10]
push esi
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyExW]
test eax, eax
jne 0x4e15d5
lea eax, [ebp - 0x14]
xorps xmm0, xmm0
push eax
push 0
lea eax, [ebp - 0x18]
movlpd qword [ebp - 0x18], xmm0
push eax
push 0
push ebx
push dword [ebp - 0x1c]
call dword [sym.imp.ADVAPI32.dll_RegQueryValueExW]
test eax, eax
jne 0x4e15c7
mov eax, dword [ebp - 0x14]
test eax, eax
je 0x4e15d5
add eax, 0x10
push 0x562098
push eax
mov dword [ebp - 0x20], eax
call fcn.004463d3
mov esi, eax
add esp, 8
test esi, esi
je 0x4e15d5
push dword [ebp - 0x20]
push 0
push esi
call fcn.004814e0
add esp, 0xc
lea eax, [ebp - 0x20]
push eax
push esi
push 0
push 0
push ebx
push dword [ebp - 0x1c]
call dword [sym.imp.ADVAPI32.dll_RegQueryValueExW]
test eax, eax
je 0x4e158a
push esi
call fcn.00445ee5
add esp, 4
jmp 0x4e15d5
mov ecx, esi
lea edx, [ecx + 2]
nop
mov ax, word [ecx]
add ecx, 2
test ax, ax
jne 0x4e1590
sub ecx, edx
sar ecx, 1
je 0x4e15be
mov ecx, esi
lea edx, [ecx + 2]
mov ax, word [ecx]
add ecx, 2
test ax, ax
jne 0x4e15a6
sub ecx, edx
sar ecx, 1
push ecx
push esi
mov ecx, edi
call fcn.0040b6d0
push esi
call fcn.00445ee5
add esp, 4
mov eax, dword [ebp - 0x1c]
test eax, eax
je 0x4e15d5
push eax
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
mov esi, dword [ebp + 0x10]
or eax, 0xffffffff
mov byte [ebp - 4], 0
add esi, 0xfffffff0
lock xadd dword [esi + 0xc], eax
dec eax
test eax, eax
jg 0x4e15f4
mov ecx, dword [esi]
push esi
mov edx, dword [ecx]
call dword [edx + 4]
mov eax, edi
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 0x10]
xor ecx, ebp
call fcn.00445e3a
mov esp, ebp
pop ebp
ret 0x10
push 0x80004005
call fcn.00404ae0
int3
Function at 0x4e1620
Capabilities:
Set registry value

Disassembly:
push ebp
mov ebp, esp
sub esp, 0xc
mov eax, dword [0x55a2d4]
xor eax, ebp
mov dword [ebp - 4], eax
mov eax, dword [ebp + 0x10]
mov ecx, dword [ebp + 8]
push ebx
push esi
push edi
mov edi, dword [ebp + 0x14]
mov esi, edi
mov dword [ebp - 0xc], eax
lea edx, [esi + 2]
mov ax, word [esi]
add esi, 2
test ax, ax
jne 0x4e1644
lea eax, [ebp - 8]
mov dword [ebp - 8], 0
push eax
push 0xf003f
push 0
push dword [ebp + 0xc]
sub esi, edx
push ecx
sar esi, 1
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyExW]
xor ebx, ebx
test eax, eax
sete bl
test eax, eax
jne 0x4e16a6
lea eax, [esi*2 + 2]
push eax
push edi
push 1
push 0
push dword [ebp - 0xc]
push dword [ebp - 8]
call dword [sym.imp.ADVAPI32.dll_RegSetValueExW]
neg eax
sbb ebx, ebx
mov eax, dword [ebp - 8]
inc ebx
test eax, eax
je 0x4e16a6
push eax
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
mov eax, dword [ebp + 0xc]
or ecx, 0xffffffff
add eax, 0xfffffff0
lock xadd dword [eax + 0xc], ecx
dec ecx
test ecx, ecx
jg 0x4e16c1
mov ecx, dword [eax]
push eax
mov edx, dword [ecx]
call dword [edx + 4]
mov ecx, dword [ebp - 4]
mov eax, ebx
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.00445e3a
mov esp, ebp
pop ebp
ret 0x10
Function at 0x4e2df0
Capabilities:
Get file size
Read file on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x260
mov eax, dword [0x55a2d4]
xor eax, ebp
mov dword [ebp - 4], eax
mov eax, dword [ebp + 8]
mov ecx, dword [ebp + 0xc]
push esi
push 0
push 0x80
push 3
push 0
push 1
push SysReAllocString
push eax
mov dword [ebp - 0x260], ecx
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov esi, eax
cmp esi, 0xffffffff
jne 0x4e2e41
xor eax, eax
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.00445e3a
mov esp, ebp
pop ebp
ret
push ebx
push edi
lea eax, [ebp - 0x14]
xorps xmm0, xmm0
push eax
push esi
movq qword [ebp - 0x14], xmm0
call dword [sym.imp.KERNEL32.dll_GetFileSizeEx]
mov eax, dword [ebp - 0x14]
or eax, dword [ebp - 0x10]
je 0x4e2f1f
mov ebx, dword [sym.imp.KERNEL32.dll_ReadFile]
lea eax, [ebp - 8]
push 0
push eax
push 0x40
lea eax, [ebp - 0x58]
mov dword [ebp - 8], 0
push eax
push esi
call ebx
test eax, eax
je 0x4e2f1f
mov eax, 0x5a4d
cmp word [ebp - 0x58], ax
jne 0x4e2f1f
mov edi, dword [sym.imp.KERNEL32.dll_SetFilePointer]
lea eax, [ebp - 0xc]
push 0
push eax
push dword [ebp - 0x1c]
mov dword [ebp - 0xc], 0
push esi
call edi
cmp eax, 0xffffffff
je 0x4e2f1f
push 0
lea eax, [ebp - 8]
push eax
push 0xf8
lea eax, [ebp - 0x150]
push eax
push esi
call ebx
test eax, eax
je 0x4e2f1f
mov eax, 0x8664
cmp word [ebp - 0x14c], ax
jne 0x4e2f39
push 0
lea eax, [ebp - 0x18]
mov dword [ebp - 0x18], 0
push eax
push dword [ebp - 0x1c]
push esi
call edi
cmp eax, 0xffffffff
je 0x4e2f1f
push 0
lea eax, [ebp - 8]
push eax
push 0x108
lea eax, [ebp - 0x258]
push eax
push esi
call ebx
test eax, eax
je 0x4e2f1f
mov eax, dword [ebp - 0x1b0]
test eax, eax
je 0x4e2f1f
mov edi, dword [ebp - 0x1ac]
test edi, edi
jne 0x4e2f4d
push esi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
pop edi
pop ebx
xor eax, eax
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.00445e3a
mov esp, ebp
pop ebp
ret
mov eax, dword [ebp - 0xb8]
test eax, eax
je 0x4e2f1f
mov edi, dword [ebp - 0xb4]
test edi, edi
je 0x4e2f1f
lea ecx, [edi + eax]
cmp ecx, dword [ebp - 0x14]
ja 0x4e2f1f
cmp ecx, eax
jb 0x4e2f1f
push 0
lea ecx, [ebp - 0xc]
push ecx
push eax
push esi
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
cmp eax, 0xffffffff
je 0x4e2f1f
lea eax, [ebp - 0x259]
mov byte [ebp - 0x259], 0
push eax
mov eax, dword [ebp - 0x260]
mov ecx, eax
push eax
push edi
call fcn.004e1b40
mov ecx, dword [ebp - 0x260]
lea eax, [ebp - 8]
push 0
push eax
push edi
push dword [ecx]
push esi
call ebx
test eax, eax
je 0x4e2f1f
push esi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov ecx, dword [ebp - 4]
mov eax, 1
pop edi
pop ebx
xor ecx, ebp
pop esi
call fcn.00445e3a
mov esp, ebp
pop ebp
ret
Function at 0x4e3150
Capabilities:
Encode data using xor
Hash data using sha1

Disassembly:
push ebp
mov ebp, esp
mov edx, dword [ebp + 8]
sub esp, 0x150
push ebx
push esi
xor esi, esi
add edx, 0x1f
push edi
movzx ecx, byte [edx - 1]
lea edx, [edx + 4]
movzx eax, byte [edx - 4]
shl ecx, 8
or ecx, eax
movzx eax, byte [edx - 3]
shl ecx, 8
or ecx, eax
movzx eax, byte [edx - 2]
shl ecx, 8
or ecx, eax
mov dword [ebp + esi*4 - 0x150], ecx
inc esi
cmp esi, 0x10
jl 0x4e3164
lea eax, [ebp - 0x148]
mov edx, 0x40
nop
mov ecx, dword [eax + 0x2c]
lea eax, [eax + 4]
xor ecx, dword [eax + 0x14]
xor ecx, dword [eax - 0xc]
xor ecx, dword [eax - 4]
rol ecx, 1
mov dword [eax + 0x34], ecx
sub edx, 1
jne 0x4e31a0
mov eax, dword [ebp + 8]
mov dword [ebp - 4], edx
mov ecx, dword [eax]
mov edi, dword [eax + 4]
mov esi, dword [eax + 8]
mov ebx, dword [eax + 0xc]
mov eax, dword [eax + 0x10]
mov dword [ebp - 0x10], ecx
mov dword [ebp - 0xc], ecx
mov dword [ebp - 8], eax
mov edx, ecx
mov eax, esi
and eax, edi
rol edx, 5
mov ecx, edi
not ecx
and ecx, ebx
or ecx, eax
mov eax, dword [ebp - 4]
add edx, ecx
add edx, dword [ebp + eax*4 - 0x150]
mov eax, dword [ebp - 8]
add eax, 0x5a827999
mov dword [ebp - 8], ebx
add edx, eax
mov ebx, esi
mov eax, dword [ebp - 4]
mov esi, edi
mov edi, dword [ebp - 0xc]
inc eax
ror esi, 2
mov ecx, edx
mov dword [ebp - 0xc], edx
mov dword [ebp - 4], eax
cmp eax, 0x14
jl 0x4e31d6
mov dword [ebp - 4], 0x14
mov eax, ebx
rol edx, 5
xor eax, esi
xor eax, edi
add edx, eax
mov eax, dword [ebp - 4]
add edx, dword [ebp + eax*4 - 0x150]
mov eax, dword [ebp - 8]
add eax, 0x6ed9eba1
mov dword [ebp - 8], ebx
add edx, eax
mov ebx, esi
mov eax, dword [ebp - 4]
mov esi, edi
inc eax
ror esi, 2
mov dword [ebp - 4], eax
mov edi, ecx
mov ecx, edx
cmp eax, 0x28
jl 0x4e3222
mov dword [ebp - 0xc], ecx
mov dword [ebp - 4], 0x28
mov ecx, esi
rol edx, 5
or ecx, edi
mov eax, esi
and eax, edi
and ecx, ebx
or ecx, eax
add edx, 0x8f1bbcdc
mov eax, dword [ebp - 4]
add edx, dword [ebp - 8]
mov dword [ebp - 8], ebx
mov ebx, esi
mov esi, edi
mov edi, dword [ebp - 0xc]
add ecx, dword [ebp + eax*4 - 0x150]
inc eax
add edx, ecx
ror esi, 2
mov dword [ebp - 0xc], edx
mov dword [ebp - 4], eax
cmp eax, 0x3c
jl 0x4e3265
mov dword [ebp - 4], 0x3c
nop dword [eax]
mov ecx, dword [ebp - 4]
mov eax, ebx
xor eax, esi
rol edx, 5
add edx, dword [ebp - 8]
xor eax, edi
add eax, 0xca62c1d6
mov dword [ebp - 8], ebx
add eax, dword [ebp + ecx*4 - 0x150]
mov ebx, esi
add edx, eax
mov esi, edi
mov edi, dword [ebp - 0xc]
mov eax, ecx
inc eax
ror esi, 2
mov dword [ebp - 0xc], edx
mov dword [ebp - 4], eax
cmp eax, 0x50
jl 0x4e32b0
mov ecx, dword [ebp + 8]
mov eax, dword [ebp - 0x10]
add eax, edx
add dword [ecx + 4], edi
add dword [ecx + 8], esi
add dword [ecx + 0xc], ebx
mov dword [ecx], eax
mov eax, dword [ebp - 8]
add dword [ecx + 0x10], eax
xor eax, eax
pop edi
pop esi
mov word [ecx + 0x1c], ax
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x4e3310
Capabilities:
Hash data using sha1

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 8]
test eax, eax
jne 0x4e3321
mov eax, 1
pop ebp
ret
mov dword [eax + 0x14], 0
xor ecx, ecx
mov dword [eax + 0x18], 0
mov word [eax + 0x1c], cx
mov dword [eax], 0x67452301
mov dword [eax + 4], 0xefcdab89
mov dword [eax + 8], 0x98badcfe
mov dword [eax + 0xc], 0x10325476
mov dword [eax + 0x10], 0xc3d2e1f0
mov dword [eax + 0x60], ecx
mov dword [eax + 0x64], ecx
xor eax, eax
pop ebp
ret

Function at 0x4fe1a0
Capabilities:
Write file on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0xc
mov eax, dword [0x55a2d4]
xor eax, ebp
mov dword [ebp - 4], eax
mov eax, dword [ebp + 8]
lea ecx, [ebp - 0xc]
push esi
mov esi, dword [ebp + 0xc]
push edi
push 0
push 0
push 0x80
push 2
push 1
push 0x40000000
push eax
mov dword [ebp - 0xc], 0
mov dword [ebp - 8], 0
call fcn.004fcee0
mov edi, dword [ebp - 0xc]
test eax, eax
js 0x4fe233
cmp dword [esi + 0x14], 0x10
mov eax, dword [esi + 0x10]
jb 0x4fe1f3
mov esi, dword [esi]
push 0
lea ecx, [ebp - 8]
push ecx
push eax
push esi
push edi
call dword [sym.imp.KERNEL32.dll_WriteFile]
test eax, eax
jne 0x4fe211
call fcn.0041c020
mov esi, eax
test esi, esi
js 0x4fe22c
push edi
call dword [sym.imp.KERNEL32.dll_FlushFileBuffers]
test eax, eax
jne 0x4fe22a
call fcn.0041c020
mov esi, eax
not esi
shr esi, 0x1f
jmp 0x4fe235
xor esi, esi
not esi
shr esi, 0x1f
jmp 0x4fe235
xor esi, esi
test edi, edi
je 0x4fe240
push edi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov ecx, dword [ebp - 4]
mov eax, esi
pop edi
xor ecx, ebp
pop esi
call fcn.00445e3a
mov esp, ebp
pop ebp
ret
Function at 0x4fe730
Capabilities:
Encode data using base64 via winapi

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x519028
mov eax, dword fs:[0]
push eax
sub esp, 0x30
mov eax, dword [0x55a2d4]
xor eax, ebp
mov dword [ebp - 0x10], eax
push ebx
push esi
push edi
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov eax, dword [ebp + 0x10]
mov edx, 2
mov dword [ebp - 0x38], eax
mov eax, dword [ebp + 0x14]
mov esi, dword [ebp + 8]
mov dword [ebp - 0x34], eax
mov ecx, dword [eax]
mov eax, ecx
add ecx, 0xa
shr eax, 6
add eax, ecx
xor ecx, ecx
mov dword [ebp - 0x2c], eax
mul edx
seto cl
neg ecx
or ecx, eax
push ecx
call fcn.00445edc
mov ecx, dword [ebp - 0x2c]
mov edi, eax
add ecx, ecx
push ecx
push 0
push edi
call fcn.004814e0
add esp, 0x10
lea eax, [ebp - 0x2c]
push eax
push edi
push SysReAllocString
push dword [ebp + 0xc]
push esi
call dword [sym.imp.CRYPT32.dll_CryptBinaryToStringW]
mov ecx, edi
mov dword [ebp - 0x18], 0
mov esi, eax
mov dword [ebp - 0x14], 7
xor eax, eax
mov dword [ebp - 0x3c], esi
mov word [ebp - 0x28], ax
lea edx, [ecx + 2]
mov ax, word [ecx]
add ecx, 2
test ax, ax
jne 0x4fe7d4
sub ecx, edx
sar ecx, 1
push ecx
push edi
lea ecx, [ebp - 0x28]
call fcn.0041e890
push 2
push edi
mov dword [ebp - 4], 0
call fcn.00445a2a
mov ebx, dword [ebp - 0x14]
add esp, 8
mov edi, dword [ebp - 0x28]
test esi, esi
je 0x4fe8d6
cmp ebx, 8
lea eax, [ebp - 0x28]
cmovae eax, edi
mov edx, dword [ebp - 0x18]
mov dword [ebp - 0x30], edx
nop dword [eax]
cmp ebx, 8
lea ecx, [ebp - 0x28]
cmovae ecx, edi
lea ecx, [ecx + edx*2]
cmp eax, ecx
je 0x4fe8a4
cmp word [eax], 0xa
jne 0x4fe89c
cmp ebx, 8
lea ecx, [ebp - 0x28]
cmovae ecx, edi
sub eax, ecx
sar eax, 1
cmp edx, eax
jb 0x4fe924
mov ecx, edx
lea esi, [eax + eax]
sub ecx, eax
mov edx, 1
cmp ecx, edx
cmovb edx, ecx
cmp ebx, 8
mov ebx, dword [ebp - 0x30]
lea ecx, [ebp - 0x28]
cmovae ecx, edi
sub ebx, edx
mov dword [ebp - 0x18], ebx
add ecx, esi
sub ebx, eax
lea eax, [ebx*2 + 2]
push eax
lea eax, [ecx + edx*2]
push eax
push ecx
call fcn.00481de0
mov ebx, dword [ebp - 0x14]
lea eax, [ebp - 0x28]
mov edi, dword [ebp - 0x28]
add esp, 0xc
cmp ebx, 8
cmovae eax, edi
add eax, esi
jmp 0x4fe816
add eax, 2
jmp 0x4fe820
mov esi, dword [ebp - 0x34]
mov ecx, dword [esi]
cmp edx, ecx
jbe 0x4fe8b1
xor esi, esi
jmp 0x4fe8d6
cmp ebx, 8
lea eax, [ebp - 0x28]
push edx
cmovae eax, edi
push eax
push ecx
push dword [ebp - 0x38]
call fcn.004aa4ea
mov eax, dword [ebp - 0x18]
add esp, 0x10
mov ebx, dword [ebp - 0x14]
mov edi, dword [ebp - 0x28]
mov dword [esi], eax
mov esi, dword [ebp - 0x3c]
cmp ebx, 8
jb 0x4fe906
lea ebx, [ebx*2 + 2]
mov eax, edi
cmp ebx, 0x1000
jb 0x4fe8fc
mov edi, dword [edi - 4]
add ebx, 0x23
sub eax, edi
add eax, 0xfffffffc
cmp eax, 0x1f
ja 0x4fe929
push ebx
push edi
call fcn.00445a2a
add esp, 8
mov eax, esi
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 0x10]
xor ecx, ebp
call fcn.00445e3a
mov esp, ebp
pop ebp
ret
call fcn.00426cb0
call fcn.0048adf6
int3
Function at 0x500a30
Capabilities:
Encrypt or decrypt via wincrypt

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x5191d6
mov eax, dword fs:[0]
push eax
sub esp, 0x108
mov eax, dword [0x55a2d4]
xor eax, ebp
mov dword [ebp - 0x14], eax
push ebx
push esi
push edi
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov dword [ebp - 0x10], esp
mov esi, dword [ecx + 8]
mov edi, dword [ebp + 8]
mov ebx, dword [ebp + 0x14]
mov dword [ebp - 0xb4], ecx
mov dword [ebp - 4], 0
test esi, esi
je 0x500b1d
test edi, edi
je 0x500b49
mov edx, dword [ebp + 0x10]
test edx, 0xf
jne 0x500b75
lea eax, [edx - 0x10]
cmp dword [ebp + 0xc], eax
jbe 0x500ba1
cmp byte [ecx + 0x10], 0
je 0x500bcd
lea eax, [ebp - 0x18]
mov dword [ebp - 0x18], edx
push eax
push edi
push 0
push 1
push 0
push esi
call dword [sym.imp.ADVAPI32.dll_CryptDecrypt]
mov ecx, eax
test ecx, ecx
je 0x500bf9
jmp 0x500af5
mov eax, dword [ebp - 0x18]
mov dword [ebx], eax
test ecx, ecx
setne al
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 0x14]
xor ecx, ebp
call fcn.00445e3a
mov esp, ebp
pop ebp
ret 0x10
push 0x80090003
call dword [sym.imp.KERNEL32.dll_SetLastError]
push str.Decrypt_1_:_Key_is_not_valid
lea ecx, [ebp - 0xc0]
call fcn.00500460
push 0x55563c
lea eax, [ebp - 0xc0]
push eax
call fcn.00480eef
push 0x6f8
call dword [sym.imp.KERNEL32.dll_SetLastError]
push str.Decrypt_1_:_Buffer_is_NULL
lea ecx, [ebp - 0xcc]
call fcn.00500460
push 0x55563c
lea eax, [ebp - 0xcc]
push eax
call fcn.00480eef
push 0x80090005
call dword [sym.imp.KERNEL32.dll_SetLastError]
push str.Decrypt_1_:_Data_size_is_not_a_multple_of_block_size
lea ecx, [ebp - 0xd8]
call fcn.00500460
push 0x55563c
lea eax, [ebp - 0xd8]
push eax
call fcn.00480eef
push 0x80090028
call dword [sym.imp.KERNEL32.dll_SetLastError]
push str.Decrypt_1_:_Buffer_is_too_small
lea ecx, [ebp - 0xe4]
call fcn.00500460
push 0x55563c
lea eax, [ebp - 0xe4]
push eax
call fcn.00480eef
push 0x80090027
call dword [sym.imp.KERNEL32.dll_SetLastError]
push str.Decrypt_1_:_IV_has_not_been_set
lea ecx, [ebp - 0xf0]
call fcn.00500460
push 0x55563c
lea eax, [ebp - 0xf0]
push eax
call fcn.00480eef
push 0x98
lea ecx, [ebp - 0xb0]
call fcn.00501e70
push 1
push 2
lea ecx, [ebp - 0xb0]
call fcn.0045eee0
lea eax, [ebp - 0xb0]
mov byte [ebp - 4], 1
push str.Decrypt_1_:_CryptDecrypt_failed__
push eax
call fcn.0045dae0
mov esi, dword [sym.imp.KERNEL32.dll_GetLastError]
add esp, 8
call esi
push eax
call fcn.00501640
push eax
lea eax, [ebp - 0xb0]
push eax
call fcn.0045dae0
add esp, 0xc
lea eax, [ebp - 0xb0]
push str.__0x
push eax
call fcn.0045dae0
add esp, 8
mov ecx, eax
push 0x501e90
call fcn.00500850
mov edi, eax
call esi
push eax
mov ecx, edi
call fcn.00500590
push 0x53e9f0
push eax
call fcn.0045dae0
add esp, 8
mov dword [ebx], 0
lea eax, [ebp - 0x114]
lea ecx, [ebp - 0xb0]
push eax
call fcn.00466c20
mov ecx, eax
mov byte [ebp - 4], 2
call fcn.004e4d08
push eax
lea ecx, [ebp - 0xfc]
call fcn.00500460
push 0x55563c
lea eax, [ebp - 0xfc]
push eax
call fcn.00480eef
push 0
push 0
call fcn.00480eef
int3