joyce8/EMBER2024-capa huggingface dataset:
Function at 0x468b50
Capabilities:
Write file on windows

Disassembly:
push edi
mov edi, dword [esp + 8]
cmp dword [edi + 0x608], 0
je 0x468b94
push esi
push 1
push edi
call fcn.00459ed0
push dword [edi + 0x594]
mov eax, dword [edi + 0x608]
push dword [esp + 0x24]
push dword [esp + 0x24]
push dword [esp + 0x24]
push edi
call eax
push 0
push edi
mov esi, eax
call fcn.00459ed0
add esp, 0x24
mov eax, esi
pop esi
pop edi
ret
mov eax, dword [esp + 0xc]
cmp eax, 2
ja 0x468bcd
push dword [edi + 0x590]
lea eax, [eax + eax*2]
push 1
add eax, 0x4ea130
push 2
push eax
call fcn.004a3d21
push dword [edi + 0x590]
push 1
push dword [esp + 0x2c]
push dword [esp + 0x2c]
call fcn.004a3d21
add esp, 0x20
xor eax, eax
pop edi
ret

Function at 0x4692f0
Capabilities:
Receive data
Receive data on socket
Send data
Send data on socket

Disassembly:
mov edx, dword [esp + 8]
xor eax, eax
push ebx
push ebp
push esi
push edi
mov edi, dword [esp + 0x14]
mov esi, 0x1cc
mov ecx, dword [edi + 0x1ac]
cmp edx, ecx
sete al
lea eax, [eax*4 + 0x1a8]
mov ebp, dword [eax + edi]
mov eax, 0x1dc
cmove esi, eax
mov eax, dword [edi + 0x2c8]
add esi, edi
mov ebx, dword [esi + 4]
sub ebx, dword [esi + 8]
test byte [eax + 0x40], 3
je 0x4693c8
xor eax, eax
cmp edx, ecx
sete al
lea eax, [eax*4 + 0x1bc]
cmp dword [eax + edi], 0x468f40
jne 0x4693c8
cmp dword [esi], 0
je 0x469358
test ebx, ebx
je 0x4693c8
push 0
push 0
push 0xffffffffffffffff
push 0xffffffffffffffff
push ebp
call fcn.00468710
add esp, 0x14
cmp eax, 0xffffffff
je 0x4693c8
test al, 1
je 0x4693c8
mov ecx, dword [esi]
test ecx, ecx
jne 0x4693a8
mov eax, dword [edi]
mov eax, dword [eax + 0x900]
add eax, eax
push eax
mov dword [esi + 4], eax
call dword [0x51b3d8]
mov ebx, dword [esi + 4]
mov ecx, eax
add esp, 4
mov dword [esi], ecx
mov dword [esi + 8], 0
mov dword [esi + 0xc], 0
test ecx, ecx
je 0x4693c1
mov eax, dword [esi + 8]
push 0
push ebx
add eax, ecx
push eax
push ebp
call dword [sym.imp.WS2_32.dll_recv]
test eax, eax
jle 0x4693c8
add dword [esi + 8], eax
jmp 0x4693c8
mov dword [esi + 4], 0
push 0
push dword [esp + 0x24]
push dword [esp + 0x24]
push ebp
call dword [sym.imp.WS2_32.dll_send]
mov ebx, eax
cmp ebx, 0xffffffff
jne 0x469431
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov esi, eax
cmp esi, 0x2733
jne 0x469402
mov ecx, dword [esp + 0x24]
lea eax, [ebx + 0x52]
pop edi
pop esi
pop ebp
mov dword [ecx], 0
pop ebx
ret
push esi
push edi
call fcn.00490810
push eax
push str.Send_failure:__s
push dword [edi]
call fcn.00468be0
mov eax, dword [edi]
add esp, 0x14
mov ecx, dword [esp + 0x24]
pop edi
mov dword [eax + 0xd34], esi
mov eax, 0x37
pop esi
pop ebp
mov dword [ecx], ebx
pop ebx
ret
mov ecx, dword [esp + 0x24]
xor eax, eax
pop edi
pop esi
pop ebp
mov dword [ecx], ebx
pop ebx
ret

Function at 0x469780
Capabilities:
Receive data
Receive data on socket

Disassembly:
mov eax, dword [esp + 4]
cmp byte [eax + 0x1ec], 0
je 0x46979d
push eax
call fcn.004620f0
add esp, 4
test eax, eax
jne 0x4697bc
xor al, al
ret
mov eax, dword [eax + 0x1a8]
cmp eax, 0xffffffff
je 0x46979a
push 2
push 1
lea ecx, [esp + 0xc]
push ecx
push eax
call dword [sym.imp.WS2_32.dll_recv]
test eax, eax
je 0x46979a
mov al, 1
ret
Function at 0x477e70
Capabilities:
Resolve dns

Disassembly:
sub esp, 0xc
mov eax, dword [esp + 0x1c]
push ebx
xor ebx, ebx
mov dword [esp + 4], ebx
mov dword [eax], ebx
lea eax, [esp + 8]
push eax
push dword [esp + 0x20]
push dword [esp + 0x20]
push dword [esp + 0x20]
call dword [sym.imp.WS2_32.dll_getaddrinfo]
mov dword [esp + 0xc], eax
test eax, eax
jne 0x478002
push ebp
push edi
mov edi, dword [esp + 0x10]
test edi, edi
je 0x477fec
push esi
mov eax, dword [edi + 4]
cmp eax, 2
jne 0x477ebf
lea ebp, [eax + 0xe]
jmp 0x477ecb
cmp eax, 0x17
jne 0x477f79
lea ebp, [eax + 5]
cmp dword [edi + 0x18], 0
je 0x477f79
mov eax, dword [edi + 0x10]
test eax, eax
je 0x477f79
cmp eax, ebp
jb 0x477f79
push 0x20
call dword [0x51b3d8]
mov esi, eax
add esp, 4
test esi, esi
je 0x477fe1
mov eax, dword [edi]
mov dword [esi], eax
mov eax, dword [edi + 4]
mov dword [esi + 4], eax
mov eax, dword [edi + 8]
mov dword [esi + 8], eax
mov eax, dword [edi + 0xc]
push ebp
mov dword [esi + 0xc], eax
mov dword [esi + 0x10], ebp
mov dword [esi + 0x18], 0
mov dword [esi + 0x14], 0
mov dword [esi + 0x1c], 0
call dword [0x51b3d8]
add esp, 4
mov dword [esi + 0x18], eax
test eax, eax
je 0x477fd0
push ebp
push dword [edi + 0x18]
push eax
call fcn.0049c830
mov eax, dword [edi + 0x14]
add esp, 0xc
test eax, eax
je 0x477f65
push eax
call dword [0x51b3e4]
add esp, 4
mov dword [esi + 0x14], eax
test eax, eax
je 0x477fb6
mov eax, dword [esp + 0x10]
test ebx, ebx
cmove ebx, esi
test eax, eax
je 0x477f75
mov dword [eax + 0x1c], esi
mov dword [esp + 0x10], esi
mov edi, dword [edi + 0x1c]
test edi, edi
jne 0x477eb2
mov ebp, dword [esp + 0x18]
mov eax, dword [esp + 0x14]
pop esi
test eax, eax
je 0x477f98
push eax
call dword [sym.imp.WS2_32.dll_freeaddrinfo]
test ebp, ebp
je 0x477fe8
push ebx
call fcn.00477e30
mov eax, dword [esp + 0x2c]
add esp, 4
xor ebx, ebx
mov dword [eax], ebx
mov eax, ebp
pop edi
pop ebp
pop ebx
add esp, 0xc
ret
push dword [esi + 0x18]
mov ebp, 8
call dword [0x51b3dc]
push esi
call dword [0x51b3dc]
add esp, 8
jmp 0x477f88
push esi
mov ebp, 8
call dword [0x51b3dc]
add esp, 4
jmp 0x477f88
mov ebp, 8
jmp 0x477f88
test ebx, ebx
jne 0x477ff8
mov ebp, 0x2af9
push ebp
call dword [sym.imp.WS2_32.dll_WSASetLastError]
mov eax, dword [esp + 0x28]
pop edi
mov dword [eax], ebx
mov eax, ebp
pop ebp
pop ebx
add esp, 0xc
ret
Function at 0x479a60
Capabilities:
Get common file path

Disassembly:
push ecx
push ebx
push edi
push 0x4ec5f0
xor edi, edi
call dword [sym.imp.KERNEL32.dll_GetModuleHandleA]
mov ebx, eax
test ebx, ebx
jne 0x479a7a
pop edi
pop ebx
pop ecx
ret
push ebp
push esi
push str.LoadLibraryExA
push ebx
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
mov esi, dword [esp + 0x18]
mov ebp, eax
push 0x4ec60c
push esi
call fcn.004afda0
add esp, 8
test eax, eax
je 0x479ac2
test ebp, ebp
je 0x479ab3
push 8
push 0
push esi
call ebp
pop esi
pop ebp
mov edi, eax
pop edi
pop ebx
pop ecx
ret
push esi
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
pop esi
pop ebp
mov edi, eax
pop edi
pop ebx
pop ecx
ret
test ebp, ebp
je 0x479ae8
push str.AddDllDirectory
push ebx
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
test eax, eax
je 0x479ae8
push 0x800
push 0
push esi
call ebp
pop esi
pop ebp
mov edi, eax
pop edi
pop ebx
pop ecx
ret
push 0
push 0
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryA]
mov edx, eax
mov dword [esp + 0x10], edx
test edx, edx
je 0x479b9f
mov ecx, esi
lea ebx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x479b05
sub ecx, ebx
lea eax, [edx + 1]
add eax, ecx
push eax
call dword [0x51b3d8]
mov ebx, eax
add esp, 4
test ebx, ebx
je 0x479b95
push dword [esp + 0x10]
push ebx
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryA]
test eax, eax
je 0x479b95
mov ecx, ebx
lea edx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x479b37
sub ecx, edx
mov eax, 0x5c
mov word [ecx + ebx], ax
mov ecx, ebx
lea edx, [ecx + 1]
nop
mov al, byte [ecx]
inc ecx
test al, al
jne 0x479b50
sub ecx, edx
sub ecx, esi
add ecx, ebx
nop dword [eax]
mov al, byte [esi]
lea esi, [esi + 1]
mov byte [ecx + esi - 1], al
test al, al
jne 0x479b60
test ebp, ebp
je 0x479b8c
push 8
push 0
push ebx
call ebp
push ebx
mov edi, eax
call dword [0x51b3dc]
add esp, 4
mov eax, edi
pop esi
pop ebp
pop edi
pop ebx
pop ecx
ret
push ebx
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
mov edi, eax
push ebx
call dword [0x51b3dc]
add esp, 4
pop esi
pop ebp
mov eax, edi
pop edi
pop ebx
pop ecx
ret
Function at 0x47d0b0
Capabilities:
Query environment variable

Disassembly:
sub esp, 0x108
mov eax, dword [0x50d174]
xor eax, esp
mov dword [esp + 0x104], eax
mov eax, dword [esp + 0x10c]
push eax
call fcn.004a9435
add esp, 4
mov byte [esp], 0
test eax, eax
je 0x47d115
push 0x104
lea ecx, [esp + 4]
push ecx
push eax
call dword [sym.imp.KERNEL32.dll_ExpandEnvironmentStringsA]
cmp byte [esp], 0
je 0x47d115
lea eax, [esp]
push eax
call dword [0x51b3e4]
add esp, 4
mov ecx, dword [esp + 0x104]
xor ecx, esp
call fcn.0042a04a
add esp, 0x108
ret
mov ecx, dword [esp + 0x104]
xor eax, eax
xor ecx, esp
call fcn.0042a04a
add esp, 0x108
ret

Function at 0x47ea10
Capabilities:
Send data
Send data on socket

Disassembly:
mov eax, dword [esp + 0xc]
push ebx
mov ebx, dword [esp + 0xc]
push esi
mov esi, dword [esp + 0xc]
push edi
push 0
mov byte [esp + 0x16], al
lea eax, [esp + 0x14]
mov edi, dword [esi]
push 3
push eax
push dword [esi + 0x1a8]
mov byte [esp + 0x20], 0xff
mov byte [esp + 0x21], bl
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x47ea5c
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push edi
call fcn.00468be0
add esp, 0xc
push dword [esp + 0x18]
push ebx
push str.SENT
push dword [esi]
call fcn.0047e620
add esp, 0x10
pop edi
pop esi
pop ebx
ret
Function at 0x47eb90
Capabilities:
Send data
Send data on socket

Disassembly:
push ecx
cmp dword [esp + 0xc], 0x1f
mov eax, dword [esp + 8]
push ebp
mov eax, dword [eax]
mov dword [esp + 4], eax
mov ebp, dword [eax + 0x150]
jne 0x47ece0
push ebx
push esi
push edi
lea ebx, [ebp + 0x1cb0]
lea edi, [ebp + 0x1eb0]
mov dword [edi], ebx
cmp ebx, edi
jae 0x47ebcb
mov byte [ebx], 0xff
inc dword [edi]
mov eax, dword [edi]
jmp 0x47ebcd
mov eax, ebx
cmp eax, edi
jae 0x47ebe1
mov byte [eax], 0xfa
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x47ebe1
mov byte [eax], 0x1f
inc dword [edi]
movzx eax, word [ebp + 0x1ca8]
mov esi, dword [sym.imp.WS2_32.dll_htons]
push eax
call esi
movzx eax, ax
mov dword [esp + 0x1c], eax
movzx eax, word [ebp + 0x1caa]
push eax
call esi
mov edx, dword [esp + 0x1c]
movzx ecx, ax
mov eax, dword [edi]
cmp eax, edi
jae 0x47ec4b
mov byte [eax], dl
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x47ec4b
mov byte [eax], dh
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x47ec4b
mov byte [eax], cl
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x47ec4b
shr ecx, 8
mov byte [eax], cl
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x47ec4b
mov byte [eax], 0xff
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x47ec4b
mov byte [eax], 0xf0
mov eax, dword [edi]
inc eax
mov esi, dword [esp + 0x10]
mov dword [ebp + 0x1eb4], eax
sub eax, ebx
sub eax, 2
mov dword [edi], ebx
push eax
lea eax, [ebp + 0x1cb2]
push eax
push 0x3e
push esi
call fcn.0047e720
add esp, 0x10
push 0
push 3
push ebx
mov ebx, dword [esp + 0x24]
push dword [ebx + 0x1a8]
call dword [sym.imp.WS2_32.dll_send]
mov edi, dword [sym.imp.WS2_32.dll_WSAGetLastError]
test eax, eax
jns 0x47ec9f
call edi
push eax
push str.Sending_data_failed___d_
push esi
call fcn.00468be0
add esp, 0xc
push 4
lea eax, [ebp + 0x1cb3]
push eax
push ebx
call fcn.0047ea80
add esp, 0xc
lea eax, [ebp + 0x1cb7]
push 0
push 2
push eax
push dword [ebx + 0x1a8]
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x47ecdd
call edi
push eax
push str.Sending_data_failed___d_
push esi
call fcn.00468be0
add esp, 0xc
pop edi
pop esi
pop ebx
pop ebp
pop ecx
ret
Function at 0x4800e0
Capabilities:
Receive data
Receive data on socket

Disassembly:
sub esp, 0x8c
mov eax, dword [0x50d174]
xor eax, esp
mov dword [esp + 0x88], eax
push ebx
push ebp
mov ebp, dword [esp + 0x98]
lea eax, [esp + 8]
push esi
push edi
push eax
mov edi, dword [ebp + 0x530]
lea eax, [esp + 0x1c]
mov ebx, dword [ebp]
push eax
mov dword [esp + 0x18], 0x80
mov eax, dword [edi + 0x154]
push 0
add eax, 4
push eax
push dword [edi + 0x15c]
push dword [edi + 0x14]
call dword [sym.imp.WS2_32.dll_recvfrom]
cmp dword [edi + 0x148], 0
mov dword [edi + 0x14c], eax
jne 0x480166
push dword [esp + 0x10]
lea eax, [esp + 0x1c]
push eax
lea eax, [edi + 0xc8]
push eax
call fcn.0049c830
mov eax, dword [esp + 0x1c]
add esp, 0xc
mov dword [edi + 0x148], eax
mov edx, dword [edi + 0x14c]
cmp edx, 4
jge 0x4801a1
push str.Received_too_short_packet
push ebx
call fcn.00468be0
add esp, 8
mov dword [edi + 0xc], 7
xor eax, eax
mov ecx, dword [esp + 0x98]
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.0042a04a
add esp, 0x8c
ret
mov eax, dword [edi + 0x15c]
movzx ecx, byte [eax]
movzx eax, byte [eax + 1]
shl ecx, 8
or ecx, eax
mov dword [edi + 0xc], ecx
add ecx, 0xfffffffd
cmp ecx, 3
ja case.default.0x4801c2
jmp dword [ecx*4 + 0x4802e8]
cmp edx, 4
jle case.0x4801c2.4
mov esi, dword [edi + 0x15c]
movzx ecx, byte [esi + 2]
movzx eax, byte [esi + 3]
shl ecx, 8
or ecx, eax
movzx eax, word [edi + 0x40]
inc eax
movzx eax, ax
cmp eax, ecx
jne case.0x4801c2.4
lea eax, [edx - 4]
push eax
lea eax, [esi + 4]
push eax
push 1
push ebp
call fcn.00468b20
mov esi, eax
add esp, 0x10
test esi, esi
je 0x480220
push 5
push edi
call fcn.00480bc0
add esp, 8
mov eax, esi
jmp 0x480188
mov eax, dword [edi + 0x14c]
sub eax, 4
cdq
add dword [ebx + 0x90], eax
adc dword [ebx + 0x94], edx
push dword [ebx + 0x94]
push dword [ebx + 0x90]
push ebx
call fcn.004746f0
jmp 0x4802bc
mov eax, dword [edi + 0x15c]
lea esi, [edx - 4]
push esi
lea ecx, [eax + 4]
mov dword [esp + 0x18], ecx
movzx ecx, byte [eax + 2]
movzx eax, byte [eax + 3]
push dword [esp + 0x18]
shl ecx, 8
or ecx, eax
mov dword [edi + 8], ecx
call fcn.0047fdd0
add esp, 8
cmp eax, esi
jae case.0x4801c2.4
push dword [esp + 0x14]
push str.TFTP_error:__s_n
push ebx
call fcn.00468cc0
jmp 0x4802bc
lea eax, [edx - 2]
push eax
mov eax, dword [edi + 0x15c]
add eax, 2
push eax
push edi
call fcn.0047fe70
add esp, 0xc
test eax, eax
je case.0x4801c2.4
jmp 0x480188
push str.Internal_error:_Unexpected_packet
push 0x4ee0c4
push ebx
call fcn.00468be0
add esp, 0xc
push ebp
call fcn.00474aa0
add esp, 4
test eax, eax
je 0x480186
push 5
push edi
call fcn.00480bc0
add esp, 8
mov eax, 0x2a
jmp 0x480188
Function at 0x486d20
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
sub esp, 0x88
mov eax, dword [0x50d174]
xor eax, esp
mov dword [esp + 0x84], eax
push ebx
push ebp
push esi
push edi
mov edi, dword [esp + 0x9c]
lea eax, [esp + 0x10]
push eax
lea eax, [esp + 0x18]
mov dword [esp + 0x14], 0x80
push eax
mov ebp, dword [edi + 0x1ac]
or esi, 0xffffffff
mov ebx, dword [edi]
push ebp
call dword [sym.imp.WS2_32.dll_getsockname]
test eax, eax
jne 0x486d82
lea eax, [esp + 0x10]
mov dword [esp + 0x10], 0x80
push eax
lea eax, [esp + 0x18]
push eax
push ebp
call dword [sym.imp.WS2_32.dll_accept]
mov esi, eax
push ebp
push edi
call fcn.004696c0
add esp, 8
cmp esi, 0xffffffff
jne 0x486da6
push str.Error_accept__ing_server_connect
push ebx
call fcn.00468be0
add esp, 8
mov eax, 0x1e
jmp 0x486e15
push str.Connection_accepted_from_server_n
push ebx
call fcn.00468cc0
push 1
mov byte [edi + 0x28c], 0
push esi
mov dword [edi + 0x1ac], esi
call fcn.004910c0
add esp, 0x10
mov byte [edi + 0x1b9], 1
cmp dword [ebx + 0x610], 0
je 0x486e13
push 1
push ebx
call fcn.00459ed0
mov eax, dword [ebx + 0x610]
push 1
push esi
push dword [ebx + 0x614]
call eax
push 0
push ebx
mov esi, eax
call fcn.00459ed0
add esp, 0x1c
test esi, esi
je 0x486e13
push edi
call fcn.004872c0
add esp, 4
mov eax, 0x2a
jmp 0x486e15
xor eax, eax
mov ecx, dword [esp + 0x94]
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.0042a04a
add esp, 0x88
ret
Function at 0x4989f0
Capabilities:
Hash data using md4
Hash data via wincrypt
Initialize hashing via wincrypt

Disassembly:
sub esp, 0xc
push ebx
mov ebx, dword [esp + 0x18]
push esi
mov esi, ebx
push edi
lea ecx, [esi + 1]
nop
mov al, byte [esi]
inc esi
test al, al
jne 0x498a00
sub esi, ecx
cmp esi, 0x7fffffff
ja 0x498aee
test esi, esi
je 0x498a25
lea eax, [esi + esi]
push eax
call dword [0x51b3d8]
jmp 0x498a30
push 0x5003f1
call dword [0x51b3e4]
mov edi, eax
add esp, 4
test edi, edi
je 0x498aee
xor ecx, ecx
test esi, esi
je 0x498a53
mov al, byte [ecx + ebx]
mov byte [edi + ecx*2], al
mov byte [edi + ecx*2 + 1], 0
inc ecx
cmp ecx, esi
jb 0x498a43
push 0xf0000000
push 1
push 0
push 0
lea eax, [esp + 0x20]
push eax
call dword [sym.imp.ADVAPI32.dll_CryptAcquireContextA]
mov ebx, dword [esp + 0x24]
test eax, eax
je 0x498ad0
lea eax, [esp + 0xc]
push eax
push 0
push 0
push 0x8002
push dword [esp + 0x20]
call dword [sym.imp.ADVAPI32.dll_CryptCreateHash]
test eax, eax
je 0x498ac4
push 0
lea eax, [esi + esi]
mov dword [esp + 0x18], 0x10
push eax
push edi
push dword [esp + 0x18]
call dword [sym.imp.ADVAPI32.dll_CryptHashData]
push 0
lea eax, [esp + 0x18]
push eax
push ebx
push 2
push dword [esp + 0x1c]
call dword [sym.imp.ADVAPI32.dll_CryptGetHashParam]
push dword [esp + 0xc]
call dword [sym.imp.ADVAPI32.dll_CryptDestroyHash]
push 0
push dword [esp + 0x14]
call dword [sym.imp.ADVAPI32.dll_CryptReleaseContext]
mov dword [ebx + 0x10], 0
push edi
mov byte [ebx + 0x14], 0
call dword [0x51b3dc]
add esp, 4
xor eax, eax
pop edi
pop esi
pop ebx
add esp, 0xc
ret
pop edi
pop esi
mov eax, 0x1b
pop ebx
add esp, 0xc
ret
Function at 0x498b00
Capabilities:
Create new key via cryptacquirecontext
Encrypt data using des via winapi
Encrypt or decrypt via wincrypt

Disassembly:
sub esp, 0x24
mov eax, dword [0x50d174]
xor eax, esp
mov dword [esp + 0x20], eax
push edi
mov edi, dword [esp + 0x30]
lea eax, [esp + 4]
push 0xf0000000
push 1
push 0
push 0
push eax
mov dword [esp + 0x1c], 8
call dword [sym.imp.ADVAPI32.dll_CryptAcquireContextA]
test eax, eax
je 0x498c00
push esi
mov esi, dword [esp + 0x38]
push 8
mov dword [esp + 0x18], 0x208
mov dword [esp + 0x1c], 0x6601
mov dl, byte [esi + 1]
mov cl, byte [esi]
mov al, dl
shr al, 1
mov byte [esp + 0x24], cl
shl cl, 7
or al, cl
shl dl, 6
mov cl, byte [esi + 2]
mov byte [esp + 0x25], al
mov al, cl
shr al, 2
or al, dl
shl cl, 5
mov dl, byte [esi + 3]
mov byte [esp + 0x26], al
mov al, dl
shr al, 3
or al, cl
shl dl, 4
mov cl, byte [esi + 4]
mov byte [esp + 0x27], al
mov al, cl
shr al, 4
or al, dl
shl cl, 3
mov dl, byte [esi + 5]
mov byte [esp + 0x28], al
mov al, dl
shr al, 5
or al, cl
shl dl, 2
mov cl, byte [esi + 6]
mov byte [esp + 0x29], al
mov al, cl
shr al, 6
add cl, cl
or al, dl
mov dword [esp + 0x20], 8
mov byte [esp + 0x2a], al
lea eax, [esp + 0x24]
push eax
mov byte [esp + 0x2f], cl
call fcn.0049b530
add esp, 8
lea eax, [esp + 0x10]
push eax
push 0
push 0
push 0x14
lea eax, [esp + 0x24]
push eax
push dword [esp + 0x1c]
call dword [sym.imp.ADVAPI32.dll_CryptImportKey]
pop esi
test eax, eax
jne 0x498c12
push eax
push dword [esp + 8]
call dword [sym.imp.ADVAPI32.dll_CryptReleaseContext]
xor al, al
pop edi
mov ecx, dword [esp + 0x20]
xor ecx, esp
call fcn.0042a04a
add esp, 0x24
ret
mov ecx, dword [esp + 0x2c]
push dword [esp + 8]
mov eax, dword [ecx]
mov dword [edi], eax
mov eax, dword [ecx + 4]
mov dword [edi + 4], eax
lea eax, [esp + 0xc]
push eax
push edi
push 0
push 0
push 0
push dword [esp + 0x24]
call dword [sym.imp.ADVAPI32.dll_CryptEncrypt]
push dword [esp + 0xc]
call dword [sym.imp.ADVAPI32.dll_CryptDestroyKey]
push 0
push dword [esp + 8]
call dword [sym.imp.ADVAPI32.dll_CryptReleaseContext]
mov ecx, dword [esp + 0x24]
mov al, 1
pop edi
xor ecx, esp
call fcn.0042a04a
add esp, 0x24
ret
Function at 0x49b5e0
Capabilities:
Authenticate hmac
Encode data using xor

Disassembly:
push ecx
push esi
mov esi, dword [esp + 0xc]
push edi
mov ecx, dword [esi + 0xc]
mov eax, dword [esi + 0x14]
lea eax, [eax + ecx*2]
add eax, 0xc
push eax
call dword [0x51b3d8]
mov edi, eax
add esp, 4
test edi, edi
jne 0x49b607
pop edi
pop esi
pop ecx
ret
lea ecx, [edi + 0xc]
mov dword [edi], esi
mov dword [edi + 4], ecx
mov eax, dword [esi + 0xc]
add eax, ecx
push ebx
mov ebx, dword [esp + 0x1c]
mov dword [edi + 8], eax
push ebp
cmp ebx, dword [esi + 0x10]
jbe 0x49b652
mov eax, dword [esi]
push ecx
call eax
mov eax, dword [esi + 4]
push ebx
push dword [esp + 0x24]
push dword [edi + 4]
call eax
mov ebp, dword [edi + 8]
push dword [edi + 4]
add ebp, dword [esi + 0xc]
mov eax, dword [esi + 8]
push ebp
call eax
mov ebx, dword [esi + 0x14]
add esp, 0x18
mov ecx, dword [edi + 4]
mov dword [esp + 0x20], ebx
jmp 0x49b656
mov ebp, dword [esp + 0x1c]
mov eax, dword [esi]
push ecx
call eax
push dword [edi + 8]
mov eax, dword [esi]
call eax
mov eax, dword [esp + 0x28]
add esp, 8
xor ebx, ebx
test eax, eax
je 0x49b6b6
mov dword [esp + 0x10], eax
mov ebx, eax
movzx eax, byte [ebp]
xor al, 0x36
mov byte [esp + 0x18], al
lea eax, [esp + 0x18]
push 1
push eax
push dword [edi + 4]
mov eax, dword [esi + 4]
call eax
movzx eax, byte [ebp]
lea ebp, [ebp + 1]
xor al, 0x5c
mov byte [esp + 0x24], al
lea eax, [esp + 0x24]
push 1
push eax
push dword [edi + 8]
mov eax, dword [esi + 4]
call eax
add esp, 0x18
sub ebx, 1
jne 0x49b675
mov ebx, dword [esp + 0x10]
cmp ebx, dword [esi + 0x10]
jae 0x49b6e7
nop dword [eax + eax]
mov eax, dword [esi + 4]
push 1
push str.6__I
push dword [edi + 4]
call eax
mov eax, dword [esi + 4]
push 1
push 0x4f46f7
push dword [edi + 8]
call eax
inc ebx
add esp, 0x18
cmp ebx, dword [esi + 0x10]
jb 0x49b6c0
pop ebp
pop ebx
mov eax, edi
pop edi
pop esi
pop ecx
ret

Function at 0x4a561f
Capabilities:
Get common file path
Set current directory

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
pop ebp
jmp fcn.004a54e2

Function at 0x4b81f1
Capabilities:
Read file on windows

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
pop ebp
jmp fcn.004b8070

Function at 0x4b9774
Capabilities:
Set environment variable

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
pop ebp
jmp fcn.004b9434

Function at 0x4c38cd
Capabilities:
Create thread

Disassembly:
push ebp
mov ebp, esp
push dword [ebp + 0x1c]
push dword [ebp + 0x18]
push dword [ebp + 0x14]
push dword [ebp + 0x10]
push dword [ebp + 0xc]
push dword [ebp + 8]
call dword [sym.imp.KERNEL32.dll_CreateThread]
pop ebp
ret
Function at 0x4da130
Capabilities:
Set socket configuration

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x10
call fcn.00446160
mov dword [ebp - 0x10], eax
mov dword [ebp - 0xc], 0
push 0
push 1
mov eax, dword [ebp + 8]
movzx ecx, byte [eax + 0x51]
push ecx
call dword [sym.imp.WS2_32.dll_socket]
mov dword [ebp - 4], eax
mov dword [ebp - 8], 0
mov edx, dword [ebp + 8]
mov eax, dword [edx + 0x4c]
mov ecx, dword [eax + 0x20]
and ecx, 1
jne 0x4da176
xor eax, eax
jmp 0x4da295
cmp dword [ebp - 4], 0xffffffff
jne 0x4da18a
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov dword [ebp - 8], eax
jmp 0x4da271
push 4
mov edx, dword [ebp + 8]
mov eax, dword [edx + 0x4c]
add eax, 0x24
push eax
push 0x700b
push 0xffff
mov ecx, dword [ebp - 4]
push ecx
call dword [sym.imp.WS2_32.dll_setsockopt]
mov edx, dword [ebp + 8]
mov eax, dword [edx + 0x4c]
mov ecx, dword [eax + 0x14]
and ecx, 1
jne 0x4da1c4
mov edx, dword [ebp - 4]
push edx
call fcn.0043ccc0
add esp, 4
push 1
mov eax, dword [ebp - 4]
push eax
mov ecx, dword [ebp + 8]
mov edx, dword [ecx + 0x4c]
mov eax, dword [edx + 0x2c]
push eax
call fcn.00446320
add esp, 0xc
test eax, eax
jge 0x4da1f2
mov ecx, dword [ebp - 4]
push ecx
call dword [sym.imp.WS2_32.dll_closesocket]
or eax, 0xffffffff
jmp 0x4da295
mov edx, dword [ebp + 8]
mov eax, dword [ebp - 4]
mov dword [edx + 0x30], eax
mov ecx, dword [ebp + 8]
add ecx, 0x18
push ecx
lea edx, [ebp - 0xc]
push edx
mov eax, dword [ebp + 8]
movzx eax, byte [eax + 0x50]
cdq
sub eax, edx
sar eax, 1
push eax
mov ecx, dword [ebp + 8]
movzx eax, byte [ecx + 0x50]
cdq
sub eax, edx
sar eax, 1
push eax
push 0
mov edx, dword [ebp + 8]
add edx, 0x58
push edx
mov eax, dword [ebp - 4]
push eax
mov ecx, dword [ebp + 8]
mov edx, dword [ecx + 0x4c]
mov eax, dword [edx + 0x24]
push eax
mov ecx, dword [ebp - 0x10]
mov edx, dword [ecx]
call edx
test eax, eax
je 0x4da259
push 1
push 0
push 1
mov eax, dword [ebp + 8]
add eax, 0x18
push eax
call fcn.004d9bb0
add esp, 0x10
jmp 0x4da26d
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov dword [ebp - 8], eax
cmp dword [ebp - 8], 0x3e5
je 0x4da26d
jmp 0x4da271
xor eax, eax
jmp 0x4da295
mov ecx, dword [ebp + 8]
mov edx, dword [ebp - 8]
mov dword [ecx + 0x34], edx
mov eax, dword [ebp + 8]
add eax, 0x38
push eax
mov ecx, dword [ebp + 8]
mov edx, dword [ecx + 0x4c]
mov eax, dword [edx + 0x28]
push eax
call fcn.0042ec60
add esp, 8
xor eax, eax
mov esp, ebp
pop ebp
ret