joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4986d0
Capabilities:
Get file size
Read file on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x260
mov eax, dword [0x583bb4]
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 0x498721
xor eax, eax
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0049a028
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 0x4987ff
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 0x4987ff
mov eax, 0x5a4d
cmp word [ebp - 0x58], ax
jne 0x4987ff
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 0x4987ff
push 0
lea eax, [ebp - 8]
push eax
push 0xf8
lea eax, [ebp - 0x150]
push eax
push esi
call ebx
test eax, eax
je 0x4987ff
mov eax, 0x8664
cmp word [ebp - 0x14c], ax
jne 0x498819
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 0x4987ff
push 0
lea eax, [ebp - 8]
push eax
push 0x108
lea eax, [ebp - 0x258]
push eax
push esi
call ebx
test eax, eax
je 0x4987ff
mov eax, dword [ebp - 0x1b0]
test eax, eax
je 0x4987ff
mov edi, dword [ebp - 0x1ac]
test edi, edi
jne 0x49882d
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.0049a028
mov esp, ebp
pop ebp
ret
mov eax, dword [ebp - 0xb8]
test eax, eax
je 0x4987ff
mov edi, dword [ebp - 0xb4]
test edi, edi
je 0x4987ff
lea ecx, [edi + eax]
cmp ecx, dword [ebp - 0x14]
ja 0x4987ff
cmp ecx, eax
jb 0x4987ff
push 0
lea ecx, [ebp - 0xc]
push ecx
push eax
push esi
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
cmp eax, 0xffffffff
je 0x4987ff
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.00497330
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 0x4987ff
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.0049a028
mov esp, ebp
pop ebp
ret
Function at 0x498a40
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 0x498a54
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 0x498a90
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 0x498ac6
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 0x498b12
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 0x498b55
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 0x498ba0
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 0x498c00
Capabilities:
Hash data using sha1

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 8]
test eax, eax
jne 0x498c11
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 0x49c900
Capabilities:
Write file on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0xc
mov eax, dword [0x583bb4]
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.0049b640
mov edi, dword [ebp - 0xc]
test eax, eax
js 0x49c993
cmp dword [esi + 0x14], 0x10
mov eax, dword [esi + 0x10]
jb 0x49c953
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 0x49c971
call fcn.00431680
mov esi, eax
test esi, esi
js 0x49c98c
push edi
call dword [sym.imp.KERNEL32.dll_FlushFileBuffers]
test eax, eax
jne 0x49c98a
call fcn.00431680
mov esi, eax
not esi
shr esi, 0x1f
jmp 0x49c995
xor esi, esi
not esi
shr esi, 0x1f
jmp 0x49c995
xor esi, esi
test edi, edi
je 0x49c9a0
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.0049a028
mov esp, ebp
pop ebp
ret
Function at 0x49ce90
Capabilities:
Encode data using base64 via winapi

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x5343f8
mov eax, dword fs:[0]
push eax
sub esp, 0x30
mov eax, dword [0x583bb4]
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.0049a978
mov ecx, dword [ebp - 0x2c]
mov edi, eax
add ecx, ecx
push ecx
push 0
push edi
call fcn.004d1a10
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 0x49cf34
sub ecx, edx
sar ecx, 1
push ecx
push edi
lea ecx, [ebp - 0x28]
call fcn.00436a80
push 2
push edi
mov dword [ebp - 4], 0
call fcn.0049a03e
mov ebx, dword [ebp - 0x14]
add esp, 8
mov edi, dword [ebp - 0x28]
test esi, esi
je 0x49d036
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 0x49d004
cmp word [eax], 0xa
jne 0x49cffc
cmp ebx, 8
lea ecx, [ebp - 0x28]
cmovae ecx, edi
sub eax, ecx
sar eax, 1
cmp edx, eax
jb 0x49d084
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.004d2720
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 0x49cf76
add eax, 2
jmp 0x49cf80
mov esi, dword [ebp - 0x34]
mov ecx, dword [esi]
cmp edx, ecx
jbe 0x49d011
xor esi, esi
jmp 0x49d036
cmp ebx, 8
lea eax, [ebp - 0x28]
push edx
cmovae eax, edi
push eax
push ecx
push dword [ebp - 0x38]
call fcn.004fce7d
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 0x49d066
lea ebx, [ebx*2 + 2]
mov eax, edi
cmp ebx, 0x1000
jb 0x49d05c
mov edi, dword [edi - 4]
add ebx, 0x23
sub eax, edi
add eax, 0xfffffffc
cmp eax, 0x1f
ja 0x49d089
push ebx
push edi
call fcn.0049a03e
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.0049a028
mov esp, ebp
pop ebp
ret
call fcn.004366b0
call fcn.004ee7a3
int3
Function at 0x49fc60
Capabilities:
Encrypt or decrypt via wincrypt

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x534776
mov eax, dword fs:[0]
push eax
sub esp, 0x108
mov eax, dword [0x583bb4]
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 0x49fd4d
test edi, edi
je 0x49fd79
mov edx, dword [ebp + 0x10]
test edx, 0xf
jne 0x49fda5
lea eax, [edx - 0x10]
cmp dword [ebp + 0xc], eax
jbe 0x49fdd1
cmp byte [ecx + 0x10], 0
je 0x49fdfd
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 0x49fe29
jmp 0x49fd25
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.0049a028
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.0049efd0
push 0x577958
lea eax, [ebp - 0xc0]
push eax
call fcn.004d1ca7
push 0x6f8
call dword [sym.imp.KERNEL32.dll_SetLastError]
push str.Decrypt_1_:_Buffer_is_NULL
lea ecx, [ebp - 0xcc]
call fcn.0049efd0
push 0x577958
lea eax, [ebp - 0xcc]
push eax
call fcn.004d1ca7
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.0049efd0
push 0x577958
lea eax, [ebp - 0xd8]
push eax
call fcn.004d1ca7
push 0x80090028
call dword [sym.imp.KERNEL32.dll_SetLastError]
push str.Decrypt_1_:_Buffer_is_too_small
lea ecx, [ebp - 0xe4]
call fcn.0049efd0
push 0x577958
lea eax, [ebp - 0xe4]
push eax
call fcn.004d1ca7
push 0x80090027
call dword [sym.imp.KERNEL32.dll_SetLastError]
push str.Decrypt_1_:_IV_has_not_been_set
lea ecx, [ebp - 0xf0]
call fcn.0049efd0
push 0x577958
lea eax, [ebp - 0xf0]
push eax
call fcn.004d1ca7
push 0x98
lea ecx, [ebp - 0xb0]
call fcn.004a1190
push 1
push 2
lea ecx, [ebp - 0xb0]
call fcn.0049ec70
lea eax, [ebp - 0xb0]
mov byte [ebp - 4], 1
push str.Decrypt_1_:_CryptDecrypt_failed__
push eax
call fcn.0049e9e0
mov esi, dword [sym.imp.KERNEL32.dll_GetLastError]
add esp, 8
call esi
push eax
call fcn.004a0870
push eax
lea eax, [ebp - 0xb0]
push eax
call fcn.0049e9e0
add esp, 0xc
lea eax, [ebp - 0xb0]
push str.__0x
push eax
call fcn.0049e9e0
add esp, 8
mov ecx, eax
push 0x4a11b0
call fcn.0049f810
mov edi, eax
call esi
push eax
mov ecx, edi
call fcn.0049f550
push 0x5547c0
push eax
call fcn.0049e9e0
add esp, 8
mov dword [ebx], 0
lea eax, [ebp - 0x114]
lea ecx, [ebp - 0xb0]
push eax
call fcn.004a1860
mov ecx, eax
mov byte [ebp - 4], 2
call fcn.00479231
push eax
lea ecx, [ebp - 0xfc]
call fcn.0049efd0
push 0x577958
lea eax, [ebp - 0xfc]
push eax
call fcn.004d1ca7
push 0
push 0
call fcn.004d1ca7
int3
Function at 0x4a0280
Capabilities:
Encrypt or decrypt via wincrypt

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x5347f6
mov eax, dword fs:[0]
push eax
sub esp, 0xfc
mov eax, dword [0x583bb4]
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 edx, dword [ecx + 8]
mov esi, dword [ebp + 8]
mov edi, dword [ebp + 0x14]
mov dword [ebp - 0xb4], ecx
mov dword [ebp - 4], 0
test edx, edx
je 0x4a0369
test esi, esi
je 0x4a0395
mov ebx, dword [ebp + 0x10]
mov eax, ebx
and eax, 0xfffffff0
add eax, 0x10
cmp dword [ebp + 0xc], eax
jb 0x4a03c1
cmp byte [ecx + 0x10], 0
je 0x4a03ed
push dword [ebp + 0xc]
lea eax, [ebp - 0x18]
mov dword [ebp - 0x18], ebx
push eax
push esi
push 0
push 1
push 0
push edx
call dword [sym.imp.ADVAPI32.dll_CryptEncrypt]
mov ecx, eax
test ecx, ecx
je 0x4a0419
jmp 0x4a0341
mov eax, dword [ebp - 0x18]
mov dword [edi], 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.0049a028
mov esp, ebp
pop ebp
ret 0x10
push 0x80090003
call dword [sym.imp.KERNEL32.dll_SetLastError]
push str.Encrypt_1_:_Key_is_not_valid
lea ecx, [ebp - 0xc0]
call fcn.0049efd0
push 0x577958
lea eax, [ebp - 0xc0]
push eax
call fcn.004d1ca7
push 0x6f8
call dword [sym.imp.KERNEL32.dll_SetLastError]
push str.Encrypt_1_:_Buffer_is_NULL
lea ecx, [ebp - 0xcc]
call fcn.0049efd0
push 0x577958
lea eax, [ebp - 0xcc]
push eax
call fcn.004d1ca7
push 0x80090028
call dword [sym.imp.KERNEL32.dll_SetLastError]
push str.Encrypt_1_:_Buffer_is_too_small
lea ecx, [ebp - 0xd8]
call fcn.0049efd0
push 0x577958
lea eax, [ebp - 0xd8]
push eax
call fcn.004d1ca7
push 0x80090027
call dword [sym.imp.KERNEL32.dll_SetLastError]
push str.Encrypt_1_:_IV_has_not_been_set
lea ecx, [ebp - 0xe4]
call fcn.0049efd0
push 0x577958
lea eax, [ebp - 0xe4]
push eax
call fcn.004d1ca7
push 0x98
lea ecx, [ebp - 0xb0]
call fcn.004a1190
push 1
push 2
lea ecx, [ebp - 0xb0]
call fcn.0049ec70
lea eax, [ebp - 0xb0]
mov byte [ebp - 4], 1
push str.Encrypt_1_:_CryptEncrypt_failed__
push eax
call fcn.0049e9e0
mov esi, dword [sym.imp.KERNEL32.dll_GetLastError]
add esp, 8
call esi
push eax
call fcn.004a0870
push eax
lea eax, [ebp - 0xb0]
push eax
call fcn.0049e9e0
add esp, 0xc
lea eax, [ebp - 0xb0]
push str.__0x
push eax
call fcn.0049e9e0
add esp, 8
mov ecx, eax
push 0x4a11b0
call fcn.0049f810
mov ebx, eax
call esi
push eax
mov ecx, ebx
call fcn.0049f550
push 0x5547c0
push eax
call fcn.0049e9e0
add esp, 8
mov dword [edi], 0
lea eax, [ebp - 0x108]
lea ecx, [ebp - 0xb0]
push eax
call fcn.004a1860
mov ecx, eax
mov byte [ebp - 4], 2
call fcn.00479231
push eax
lea ecx, [ebp - 0xf0]
call fcn.0049efd0
push 0x577958
lea eax, [ebp - 0xf0]
push eax
call fcn.004d1ca7
push 0
push 0
call fcn.004d1ca7
int3
Function at 0x4a0c80
Capabilities:
Encrypt data using aes via winapi

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x534898
mov eax, dword fs:[0]
push eax
sub esp, 0x94
mov eax, dword [0x583bb4]
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 edi, ecx
mov eax, dword [edi + 8]
lea ebx, [edi + 8]
mov ecx, dword [ebp + 8]
mov dword [ebp - 0x4c], edi
mov dword [ebp - 0x18], ecx
test eax, eax
je 0x4a0cda
push eax
call dword [sym.imp.ADVAPI32.dll_CryptDestroyKey]
mov ecx, dword [ebp - 0x18]
mov dword [ebx], 0
mov byte [edi + 0x10], 0
cmp dword [edi + 4], 0
mov dword [ebp - 4], 0
je 0x4a0e09
test ecx, ecx
je 0x4a0e24
mov esi, dword [ebp + 0xc]
cmp esi, 0x10
je 0x4a0d09
cmp esi, 0x18
je 0x4a0d09
cmp esi, 0x20
jne 0x4a0e3f
push 0x2c
lea eax, [ebp - 0x44]
push 0
push eax
call fcn.004d1a10
add esp, 0xc
mov dword [ebp - 0x44], 0x208
mov byte [ebp - 4], 1
cmp esi, 0x10
je 0x4a0d50
cmp esi, 0x18
je 0x4a0d42
cmp esi, 0x20
jne 0x4a0e5a
mov dword [ebp - 0x40], 0x6610
mov eax, esi
jmp 0x4a0d5c
mov dword [ebp - 0x40], 0x660f
mov eax, 0x18
jmp 0x4a0d5c
mov dword [ebp - 0x40], 0x660e
mov eax, 0x10
push esi
push dword [ebp - 0x18]
mov dword [ebp - 0x3c], eax
push eax
lea eax, [ebp - 0x38]
push eax
call fcn.004a1b60
add esp, 0x10
test eax, eax
jne 0x4a0e75
push ebx
push 0
push 0
lea eax, [esi + 0xc]
push eax
lea eax, [ebp - 0x44]
push eax
push dword [edi + 4]
call dword [sym.imp.ADVAPI32.dll_CryptImportKey]
test eax, eax
je 0x4a0e96
push 0
lea eax, [ebp - 0x18]
mov dword [ebp - 0x18], 1
push eax
push 4
push dword [ebx]
call dword [sym.imp.ADVAPI32.dll_CryptSetKeyParam]
test eax, eax
je 0x4a0eb7
jmp 0x4a0dd3
mov al, 1
lea ecx, [ebp - 0x44]
mov edx, 4
nop dword [eax]
mov byte [ecx], 0
lea ecx, [ecx + 1]
sub edx, 1
jne 0x4a0de0
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.0049a028
mov esp, ebp
pop ebp
ret 8
push str.SetKey:_Provider_is_not_valid
lea ecx, [ebp - 0x58]
call fcn.0049efd0
push 0x577958
lea eax, [ebp - 0x58]
push eax
call fcn.004d1ca7
push str.SetKey:_Key_buffer_is_NULL
lea ecx, [ebp - 0x64]
call fcn.0049efd0
push 0x577958
lea eax, [ebp - 0x64]
push eax
call fcn.004d1ca7
push str.SetKey:_Key_size_is_not_valid
lea ecx, [ebp - 0x70]
call fcn.0049efd0
push 0x577958
lea eax, [ebp - 0x70]
push eax
call fcn.004d1ca7
push str.SetKey:_Key_size_is_not_valid
lea ecx, [ebp - 0x7c]
call fcn.0049efd0
push 0x577958
lea eax, [ebp - 0x7c]
push eax
call fcn.004d1ca7
push str.SetKey:_Unable_to_copy_key
lea ecx, [ebp - 0x88]
call fcn.0049efd0
push 0x577958
lea eax, [ebp - 0x88]
push eax
call fcn.004d1ca7
push str.SetKey:_Import_key_failed
lea ecx, [ebp - 0x94]
call fcn.0049efd0
push 0x577958
lea eax, [ebp - 0x94]
push eax
call fcn.004d1ca7
push str.SetKey:_Set_CBC_mode_failed
lea ecx, [ebp - 0xa0]
call fcn.0049efd0
push 0x577958
lea eax, [ebp - 0xa0]
push eax
call fcn.004d1ca7
push 0
push 0
call fcn.004d1ca7
int3
Function at 0x4a11e0
Capabilities:
Access peb ldr_data

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x534908
mov eax, dword fs:[0]
push eax
sub esp, 0x24
push ebx
push esi
push edi
mov eax, dword [0x583bb4]
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.0049a5c9
mov edi, eax
add esp, 4
test edi, edi
je 0x4a1284
xorps xmm0, xmm0
movq qword [edi], xmm0
push 1
mov dword [ebp - 4], 0
call fcn.00478667
add esp, 4
mov dword [edi + 4], eax
jmp 0x4a1286
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.0047a275
add esp, 4
mov ecx, eax
mov edx, dword [eax]
push 0x20
mov eax, dword [edx + 0x20]
call eax
mov bl, al
mov ecx, dword [ebp - 0x10]
mov dword [ebp - 4], 3
test ecx, ecx
je 0x4a12e7
mov edx, dword [ecx]
call dword [edx + 8]
test eax, eax
je 0x4a12e7
mov edx, dword [eax]
mov ecx, eax
push 1
call dword [edx]
cmp dword [esi + 0x38], 0
mov dword [ebp - 4], 0xffffffff
mov byte [esi + 0x40], bl
jne 0x4a130a
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 0x4a132d
cmp byte [ebp + 0xc], 0
je 0x4a1319
push esi
call fcn.00479793
add esp, 4
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 8
test cl, 4
je 0x4a1339
mov esi, str.ios_base::badbit_set
jmp 0x4a1349
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.0045aa80
add esp, 8
lea ecx, [ebp - 0x30]
push eax
push esi
call fcn.00456f20
push 0x570424
lea eax, [ebp - 0x30]
push eax
call fcn.004d1ca7
int3
Function at 0x4a3b60
Capabilities:
Delete file

Disassembly:
push ebp
mov ebp, esp
push 0
push dword [ebp + 8]
call fcn.004a4170
add esp, 8
test al, al
je 0x4a3b85
push dword [ebp + 8]
call dword [sym.imp.KERNEL32.dll_DeleteFileW]
test eax, eax
je 0x4a3b85
mov al, 1
pop ebp
ret
xor al, al
pop ebp
ret

Function at 0x4a4170
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 0x4a55e0
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 0x4a560b
call dword [sym.imp.KERNEL32.dll_GetLastError]
test eax, eax
je 0x4a560b
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 0x4a7000
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
push esi
mov esi, dword [ebp + 0xc]
xor al, al
push edi
xor edi, edi
test esi, esi
je 0x4a70c7
push ebx
mov ecx, dword [ebp + 8]
mov dl, byte [edi + ecx]
xor dl, al
mov cl, dl
shr cl, 1
mov al, cl
xor al, 0x8c
and dl, 1
movzx ebx, al
movzx eax, cl
cmove ebx, eax
mov cl, bl
shr cl, 1
mov al, cl
xor al, 0x8c
and bl, 1
movzx edx, al
movzx eax, cl
cmove edx, eax
mov cl, dl
shr cl, 1
mov al, cl
xor al, 0x8c
and dl, 1
movzx ebx, al
movzx eax, cl
cmove ebx, eax
mov cl, bl
shr cl, 1
mov al, cl
xor al, 0x8c
and bl, 1
movzx edx, al
movzx eax, cl
cmove edx, eax
mov cl, dl
shr cl, 1
mov al, cl
xor al, 0x8c
and dl, 1
movzx ebx, al
movzx eax, cl
cmove ebx, eax
mov cl, bl
shr cl, 1
mov al, cl
xor al, 0x8c
and bl, 1
movzx edx, al
movzx eax, cl
cmove edx, eax
mov cl, dl
shr cl, 1
mov al, cl
xor al, 0x8c
and dl, 1
movzx ebx, al
movzx eax, cl
cmove ebx, eax
mov cl, bl
shr cl, 1
mov al, cl
movzx ecx, cl
xor al, 0x8c
and bl, 1
movzx eax, al
cmove eax, ecx
inc edi
cmp edi, esi
jb 0x4a7015
pop ebx
pop edi
pop esi
pop ebp
ret