joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4b19f0
Capabilities:
Set socket configuration

Disassembly:
sub esp, 0x18
mov eax, dword [0x563910]
xor eax, esp
mov dword [esp + 0x14], eax
push esi
mov esi, dword [esp + 0x20]
xor eax, eax
push edi
mov edi, dword [esp + 0x28]
push 4
cmp byte [esi + 0x4bc], al
setne al
mov dword [esp + 0xc], eax
lea eax, [esp + 0xc]
push eax
push 8
push 0xffff
push edi
call dword [sym.imp.WS2_32.dll_setsockopt]
test eax, eax
jns 0x4b1a50
push edi
push str.Failed_to_set_SO_KEEPALIVE_on_fd__d_n
push esi
call fcn.004afb50
add esp, 0xc
pop edi
pop esi
mov ecx, dword [esp + 0x14]
xor ecx, esp
call fcn.004dc2d2
add esp, 0x18
ret
push dword [esi + 0x4c0]
mov dword [esp + 0x14], 1
call fcn.004bad20
push dword [esi + 0x4c4]
imul eax, eax, 0x3e8
mov dword [esp + 0x10], eax
mov dword [esp + 0x1c], eax
call fcn.004bad20
add esp, 8
imul eax, eax, 0x3e8
push 0
push 0
mov dword [esp + 0x10], eax
mov dword [esp + 0x20], eax
lea eax, [esp + 0x14]
push eax
push 0
push 0
push 0xc
lea eax, [esp + 0x28]
push eax
push 0x98000004
push edi
call dword [sym.imp.WS2_32.dll_WSAIoctl]
test eax, eax
je 0x4b1ac7
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push edi
push str.Failed_to_set_SIO_KEEPALIVE_VALS_on_fd__d:__d_n
push esi
call fcn.004afb50
add esp, 0x10
mov ecx, dword [esp + 0x1c]
pop edi
pop esi
xor ecx, esp
call fcn.004dc2d2
add esp, 0x18
ret
Function at 0x4bc090
Capabilities:
Get common file path

Disassembly:
push ecx
push ebx
push edi
push 0x52dd20
xor edi, edi
call dword [sym.imp.KERNEL32.dll_GetModuleHandleA]
mov ebx, eax
test ebx, ebx
jne 0x4bc0aa
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 0x52dd3c
push esi
call fcn.004e9680
add esp, 8
test eax, eax
je 0x4bc0f2
test ebp, ebp
je 0x4bc0e3
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 0x4bc118
push str.AddDllDirectory
push ebx
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
test eax, eax
je 0x4bc118
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 0x4bc1cf
mov ecx, esi
lea ebx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4bc135
sub ecx, ebx
lea eax, [edx + 1]
add eax, ecx
push eax
call dword [0x563300]
mov ebx, eax
add esp, 4
test ebx, ebx
je 0x4bc1c5
push dword [esp + 0x10]
push ebx
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryA]
test eax, eax
je 0x4bc1c5
mov ecx, ebx
lea edx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4bc167
sub ecx, edx
mov eax, 0x5c
mov word [ecx + ebx], ax
mov ecx, ebx
lea edx, [ecx + 1]
mov edi, edi
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4bc180
sub ecx, edx
add ecx, ebx
sub ecx, esi
lea ecx, [ecx]
mov al, byte [esi]
lea esi, [esi + 1]
mov byte [ecx + esi - 1], al
test al, al
jne 0x4bc190
test ebp, ebp
je 0x4bc1bc
push 8
push 0
push ebx
call ebp
push ebx
mov edi, eax
call dword [0x563304]
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 [0x563304]
add esp, 4
pop esi
pop ebp
mov eax, edi
pop edi
pop ebx
pop ecx
ret
Function at 0x4bc3a0
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 0x4bc532
push ebp
push edi
mov edi, dword [esp + 0x10]
test edi, edi
je 0x4bc51c
push esi
mov eax, dword [edi + 4]
cmp eax, 2
jne 0x4bc3ef
lea ebp, [eax + 0xe]
jmp 0x4bc3fb
cmp eax, 0x17
jne 0x4bc4a9
lea ebp, [eax + 5]
cmp dword [edi + 0x18], 0
je 0x4bc4a9
mov eax, dword [edi + 0x10]
test eax, eax
je 0x4bc4a9
cmp eax, ebp
jb 0x4bc4a9
push 0x20
call dword [0x563300]
mov esi, eax
add esp, 4
test esi, esi
je 0x4bc511
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 [0x563300]
add esp, 4
mov dword [esi + 0x18], eax
test eax, eax
je 0x4bc500
push ebp
push dword [edi + 0x18]
push eax
call fcn.004e6b40
mov eax, dword [edi + 0x14]
add esp, 0xc
test eax, eax
je 0x4bc495
push eax
call dword [0x56330c]
add esp, 4
mov dword [esi + 0x14], eax
test eax, eax
je 0x4bc4e6
mov eax, dword [esp + 0x10]
test ebx, ebx
cmove ebx, esi
test eax, eax
je 0x4bc4a5
mov dword [eax + 0x1c], esi
mov dword [esp + 0x10], esi
mov edi, dword [edi + 0x1c]
test edi, edi
jne 0x4bc3e2
mov ebp, dword [esp + 0x18]
mov eax, dword [esp + 0x14]
pop esi
test eax, eax
je 0x4bc4c8
push eax
call dword [sym.imp.WS2_32.dll_freeaddrinfo]
test ebp, ebp
je 0x4bc518
push ebx
call fcn.004bc360
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 [0x563304]
push esi
call dword [0x563304]
add esp, 8
jmp 0x4bc4b8
push esi
mov ebp, 8
call dword [0x563304]
add esp, 4
jmp 0x4bc4b8
mov ebp, 8
jmp 0x4bc4b8
test ebx, ebx
jne 0x4bc528
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 0x4bcca0
Capabilities:
Generate random numbers via winapi

Disassembly:
push ecx
push 0xf0000040
push 1
push 0
push 0
lea eax, [esp + 0x10]
mov dword [esp + 0x10], 0
push eax
call dword [sym.imp.ADVAPI32.dll_CryptAcquireContextA]
test eax, eax
je 0x4bcce5
push dword [esp + 8]
push dword [esp + 0x10]
push dword [esp + 8]
call dword [sym.imp.ADVAPI32.dll_CryptGenRandom]
push 0
push dword [esp + 4]
test eax, eax
jne 0x4bccec
call dword [sym.imp.ADVAPI32.dll_CryptReleaseContext]
mov eax, 2
pop ecx
ret
call dword [sym.imp.ADVAPI32.dll_CryptReleaseContext]
xor eax, eax
pop ecx
ret
Function at 0x4c0600
Capabilities:
Initialize winsock library

Disassembly:
sub esp, 0x194
mov eax, dword [0x563910]
xor eax, esp
mov dword [esp + 0x190], eax
push esi
mov esi, dword [esp + 0x19c]
lea eax, [esp + 4]
push eax
push 2
call dword [sym.imp.WS2_32.dll_WSAStartup]
test eax, eax
je 0x4c063e
push eax
push str.WSAStartup_failed___d_
push esi
call fcn.004afa30
add esp, 0xc
jmp 0x4c0679
call dword [sym.imp.WS2_32.dll_WSACleanup]
mov eax, dword [esp + 4]
cmp al, 2
jne 0x4c066b
shr eax, 8
test al, al
jne 0x4c066b
xor eax, eax
pop esi
mov ecx, dword [esp + 0x190]
xor ecx, esp
call fcn.004dc2d2
add esp, 0x194
ret
push str.insufficient_winsock_version_to_support_telnet
push esi
call fcn.004afa30
add esp, 8
mov ecx, dword [esp + 0x194]
mov eax, 2
pop esi
xor ecx, esp
call fcn.004dc2d2
add esp, 0x194
ret

Function at 0x4c0f10
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 + 0x198]
mov byte [esp + 0x20], 0xff
mov byte [esp + 0x21], bl
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x4c0f5c
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push edi
call fcn.004afa30
add esp, 0xc
push dword [esp + 0x18]
push ebx
push 0x52f49c
push dword [esi]
call fcn.004c0820
add esp, 0x10
pop edi
pop esi
pop ebx
ret
Function at 0x4c1090
Capabilities:
Send data
Send data on socket

Disassembly:
push ecx
cmp dword [esp + 0xc], 0x1f
mov eax, dword [esp + 8]
push ebx
mov eax, dword [eax]
mov dword [esp + 4], eax
mov ebx, dword [eax + 0x130]
jne 0x4c11db
push ebp
push edi
lea ebp, [ebx + 0x1cb0]
lea edi, [ebx + 0x1eb0]
mov dword [edi], ebp
cmp ebp, edi
jae 0x4c10c7
mov byte [ebp], 0xff
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4c10d2
mov byte [eax], 0xfa
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4c10dd
mov byte [eax], 0x1f
inc dword [edi]
movzx eax, word [ebx + 0x1ca8]
push esi
mov esi, dword [sym.imp.WS2_32.dll_htons]
push eax
call esi
movzx eax, ax
mov dword [esp + 0x1c], eax
movzx eax, word [ebx + 0x1caa]
push eax
call esi
mov ecx, dword [esp + 0x1c]
movzx edx, ax
mov eax, dword [edi]
cmp eax, edi
jae 0x4c1110
mov byte [eax], cl
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4c111a
mov byte [eax], ch
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4c1124
mov byte [eax], dl
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4c112e
mov byte [eax], dh
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4c1139
mov byte [eax], 0xff
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4c1144
mov byte [eax], 0xf0
inc dword [edi]
mov eax, dword [edi]
mov esi, dword [esp + 0x10]
mov dword [ebx + 0x1eb4], eax
sub eax, ebp
sub eax, 2
mov dword [edi], ebp
push eax
lea eax, [ebx + 0x1cb2]
push eax
push 0x3e
push esi
call fcn.004c0930
mov edi, dword [esp + 0x28]
add esp, 0x10
push 0
push 3
push ebp
push dword [edi + 0x198]
call dword [sym.imp.WS2_32.dll_send]
mov ebp, dword [sym.imp.WS2_32.dll_WSAGetLastError]
test eax, eax
jns 0x4c119a
call ebp
push eax
push str.Sending_data_failed___d_
push esi
call fcn.004afa30
add esp, 0xc
push 4
lea eax, [ebx + 0x1cb3]
push eax
push edi
call fcn.004c0f80
add esp, 0xc
lea eax, [ebx + 0x1cb7]
push 0
push 2
push eax
push dword [edi + 0x198]
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x4c11d8
call ebp
push eax
push str.Sending_data_failed___d_
push esi
call fcn.004afa30
add esp, 0xc
pop esi
pop edi
pop ebp
pop ebx
pop ecx
ret
Function at 0x4c2110
Capabilities:
Receive data
Receive data on socket

Disassembly:
sub esp, 0x88
mov eax, dword [0x563910]
xor eax, esp
mov dword [esp + 0x84], eax
push ebx
push ebp
mov ebp, dword [esp + 0x94]
lea eax, [esp + 8]
push esi
push edi
push eax
mov esi, dword [ebp + 0x600]
lea eax, [esp + 0x18]
mov edi, dword [ebp]
push eax
mov dword [esp + 0x18], 0x80
mov eax, dword [esi + 0x154]
push 0
add eax, 4
push eax
push dword [esi + 0x15c]
push dword [esi + 0x14]
call dword [sym.imp.WS2_32.dll_recvfrom]
cmp dword [esi + 0x148], 0
mov dword [esi + 0x14c], eax
jne 0x4c2196
push dword [esp + 0x10]
lea eax, [esp + 0x18]
push eax
lea eax, [esi + 0xc8]
push eax
call fcn.004e6b40
mov eax, dword [esp + 0x1c]
add esp, 0xc
mov dword [esi + 0x148], eax
mov ebx, dword [esi + 0x14c]
cmp ebx, 4
jge 0x4c21d1
push str.Received_too_short_packet
push edi
call fcn.004afa30
add esp, 8
mov dword [esi + 0xc], 7
xor eax, eax
mov ecx, dword [esp + 0x94]
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.004dc2d2
add esp, 0x88
ret
mov ecx, dword [esi + 0x15c]
movzx eax, byte [ecx]
shl ax, 8
movzx edx, ax
movzx eax, byte [ecx + 1]
or edx, eax
mov dword [esi + 0xc], edx
add edx, 0xfffffffd
cmp edx, 3
ja case.default.0x4c21f6
jmp dword [edx*4 + 0x4c22f8]
cmp ebx, 4
jle case.0x4c21f6.4
movzx eax, byte [ecx + 2]
shl ax, 8
movzx edx, ax
movzx eax, byte [ecx + 3]
or edx, eax
movzx eax, word [esi + 0x40]
inc eax
and eax, 0xffff
cmp eax, edx
jne case.0x4c21f6.4
lea eax, [ebx - 4]
push eax
lea eax, [ecx + 4]
push eax
push 1
push ebp
call fcn.004af910
mov ebx, eax
add esp, 0x10
test ebx, ebx
je 0x4c2254
push 5
push esi
call fcn.004c2a50
add esp, 8
mov eax, ebx
jmp 0x4c21b8
mov eax, dword [esi + 0x14c]
sub eax, 4
cdq
add dword [edi + 0x90], eax
adc dword [edi + 0x94], edx
push dword [edi + 0x94]
push dword [edi + 0x90]
push edi
call fcn.004b9dd0
jmp 0x4c22cf
mov edx, ecx
movzx eax, byte [edx + 2]
shl ax, 8
movzx ecx, ax
movzx eax, byte [edx + 3]
or ecx, eax
lea eax, [edx + 4]
push eax
push 0x52b298
push edi
mov dword [esi + 8], ecx
call fcn.004afb50
jmp 0x4c22cf
lea eax, [ebx - 2]
push eax
lea eax, [ecx + 2]
push eax
push esi
call fcn.004c1ea0
add esp, 0xc
test eax, eax
je case.0x4c21f6.4
jmp 0x4c21b8
push str.Internal_error:_Unexpected_packet
push 0x52f4cc
push edi
call fcn.004afa30
add esp, 0xc
push ebp
call fcn.004ba140
add esp, 4
test eax, eax
je 0x4c21b6
push 5
push esi
call fcn.004c2a50
add esp, 8
mov eax, 0x2a
jmp 0x4c21b8
Function at 0x4cac90
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
sub esp, 0x88
mov eax, dword [0x563910]
xor eax, esp
mov dword [esp + 0x84], eax
push ebx
push ebp
push esi
mov esi, dword [esp + 0x98]
lea eax, [esp + 0xc]
push edi
push eax
lea eax, [esp + 0x18]
mov dword [esp + 0x14], 0x80
mov ebp, dword [esi + 0x19c]
or edi, 0xffffffff
mov ebx, dword [esi]
push eax
push ebp
call dword [sym.imp.WS2_32.dll_getsockname]
test eax, eax
jne 0x4cacf2
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 edi, eax
push ebp
push esi
call fcn.004b03f0
add esp, 8
cmp edi, 0xffffffff
jne 0x4cad16
push str.Error_accept__ing_server_connect
push ebx
call fcn.004afa30
add esp, 8
mov eax, 0x1e
jmp 0x4cad6e
push str.Connection_accepted_from_server_n
push ebx
call fcn.004afb50
push 1
mov byte [esi + 0x388], 0
push edi
mov dword [esi + 0x19c], edi
call fcn.004d1630
mov byte [esi + 0x1a9], 1
add esp, 0x10
mov eax, dword [ebx + 0x1b8]
test eax, eax
je 0x4cad6c
push 1
push edi
push dword [ebx + 0x1bc]
call eax
add esp, 0xc
test eax, eax
je 0x4cad6c
push esi
call fcn.004cb220
add esp, 4
mov eax, 0x2a
jmp 0x4cad6e
xor eax, eax
mov ecx, dword [esp + 0x94]
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.004dc2d2
add esp, 0x88
ret

Function at 0x4cd2f0
Capabilities:
Check http status code

Disassembly:
mov ecx, dword [esp + 8]
mov eax, 0x51eb851f
imul ecx
push ebx
sar edx, 5
push esi
mov eax, edx
xor esi, esi
push edi
mov edi, dword [esp + 0x10]
shr eax, 0x1f
add eax, edx
mov ebx, dword [edi]
cmp eax, 2
je 0x4cd32a
push str.Couldnt_set_desired_mode
push ebx
call fcn.004afa30
add esp, 8
lea eax, [esi + 0x11]
pop edi
pop esi
pop ebx
ret
cmp ecx, 0xc8
je 0x4cd341
push ecx
push str.Got_a__03d_response_code_instead_of_the_assumed_200_n
push ebx
call fcn.004afb50
add esp, 0xc
mov eax, dword [esp + 0x18]
cmp eax, 0x13
jne 0x4cd359
push edi
call fcn.004cd070
add esp, 4
mov esi, eax
pop edi
pop esi
pop ebx
ret
cmp eax, 0x14
jne 0x4cd36d
push edi
call fcn.004cc0e0
add esp, 4
mov esi, eax
pop edi
pop esi
pop ebx
ret
cmp eax, 0x15
jne 0x4cd385
push 0xd
push 1
push edi
call fcn.004ccbe0
add esp, 0xc
mov esi, eax
pop edi
pop esi
pop ebx
ret
cmp eax, 0x16
jne 0x4cd399
push 0xe
push 1
push edi
call fcn.004ccbe0
add esp, 0xc
mov esi, eax
pop edi
mov eax, esi
pop esi
pop ebx
ret
Function at 0x4cee10
Capabilities:
Query environment variable

Disassembly:
sub esp, 0x108
mov eax, dword [0x563910]
xor eax, esp
mov dword [esp + 0x104], eax
mov eax, dword [esp + 0x10c]
push eax
call fcn.004ea2a2
add esp, 4
mov byte [esp], 0
test eax, eax
je 0x4cee75
push 0x104
lea ecx, [esp + 4]
push ecx
push eax
call dword [sym.imp.KERNEL32.dll_ExpandEnvironmentStringsA]
cmp byte [esp], 0
je 0x4cee75
lea eax, [esp]
push eax
call dword [0x56330c]
add esp, 4
mov ecx, dword [esp + 0x104]
xor ecx, esp
call fcn.004dc2d2
add esp, 0x108
ret
mov ecx, dword [esp + 0x104]
xor eax, eax
xor ecx, esp
call fcn.004dc2d2
add esp, 0x108
ret
Function at 0x4d2520
Capabilities:
Read file on windows

Disassembly:
push esi
mov esi, dword [esp + 8]
push edi
mov eax, dword [esi]
cmp dword [eax + 4], 3
jne 0x4d254b
mov ecx, dword [esi + 0xc]
test ecx, ecx
jne 0x4d253a
pop edi
xor eax, eax
pop esi
ret
push dword [eax + 8]
push dword [esp + 0x18]
push 1
push dword [esp + 0x1c]
call ecx
jmp 0x4d2580
cmp dword [esi + 8], 0
jne 0x4d256e
push 0x52b50c
push dword [eax + 8]
call fcn.004e898d
add esp, 8
mov dword [esi + 8], eax
test eax, eax
jne 0x4d256e
pop edi
or eax, 0xffffffff
pop esi
ret
push dword [esi + 8]
push dword [esp + 0x18]
push 1
push dword [esp + 0x1c]
call fcn.004e6189
mov edi, eax
add esp, 0x10
test edi, edi
jne 0x4d25a2
mov eax, dword [esi + 8]
test eax, eax
je 0x4d259c
push eax
call fcn.004e461d
add esp, 4
mov dword [esi + 8], edi
mov eax, dword [esi]
mov eax, dword [eax]
mov dword [esi], eax
mov eax, edi
pop edi
pop esi
ret

Function at 0x4d5c40
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 ebp
push esi
mov esi, ebx
push edi
lea ecx, [esi + 1]
mov al, byte [esi]
inc esi
test al, al
jne 0x4d5c50
sub esi, ecx
lea ebp, [esi + esi]
push ebp
call dword [0x563300]
mov edi, eax
add esp, 4
test edi, edi
jne 0x4d5c77
lea eax, [edi + 0x1b]
pop edi
pop esi
pop ebp
pop ebx
add esp, 0xc
ret
xor ecx, ecx
test esi, esi
je 0x4d5c90
lea ecx, [ecx]
mov al, byte [ecx + ebx]
mov byte [edi + ecx*2], al
mov byte [edi + ecx*2 + 1], 0
inc ecx
cmp ecx, esi
jb 0x4d5c80
push 0xf0000000
push 1
push 0
push 0
lea eax, [esp + 0x24]
push eax
call dword [sym.imp.ADVAPI32.dll_CryptAcquireContextA]
mov esi, dword [esp + 0x28]
test eax, eax
je 0x4d5d0a
lea eax, [esp + 0x10]
push eax
push 0
push 0
push 0x8002
push dword [esp + 0x24]
call dword [sym.imp.ADVAPI32.dll_CryptCreateHash]
test eax, eax
je 0x4d5cfe
push 0
push ebp
push edi
push dword [esp + 0x1c]
mov dword [esp + 0x28], 0x10
call dword [sym.imp.ADVAPI32.dll_CryptHashData]
push 0
lea eax, [esp + 0x1c]
push eax
push esi
push 2
push dword [esp + 0x20]
call dword [sym.imp.ADVAPI32.dll_CryptGetHashParam]
push dword [esp + 0x10]
call dword [sym.imp.ADVAPI32.dll_CryptDestroyHash]
push 0
push dword [esp + 0x18]
call dword [sym.imp.ADVAPI32.dll_CryptReleaseContext]
mov dword [esi + 0x10], 0
push edi
mov byte [esi + 0x14], 0
call dword [0x563304]
add esp, 4
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
add esp, 0xc
ret
Function at 0x4d5d30
Capabilities:
Create new key via cryptacquirecontext
Encrypt data using des via winapi
Encrypt or decrypt via wincrypt

Disassembly:
sub esp, 0x24
mov eax, dword [0x563910]
xor eax, esp
mov dword [esp + 0x20], eax
push esi
mov esi, dword [esp + 0x30]
lea eax, [esp + 4]
push edi
mov edi, dword [esp + 0x38]
push 0xf0000000
push 1
push 0
push 0
push eax
mov dword [esp + 0x20], 8
call dword [sym.imp.ADVAPI32.dll_CryptAcquireContextA]
test eax, eax
je 0x4d5dd5
lea eax, [esp + 0x20]
mov dword [esp + 0x24], 0
push eax
xorps xmm0, xmm0
movdqu xmmword [esp + 0x18], xmm0
push edi
mov word [esp + 0x1c], 0x208
mov dword [esp + 0x20], 0x6601
mov dword [esp + 0x24], 8
call fcn.004d5e40
lea eax, [esp + 0x28]
push 8
push eax
call fcn.004d9220
add esp, 0x10
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]
test eax, eax
jne 0x4d5de8
push eax
push dword [esp + 0xc]
call dword [sym.imp.ADVAPI32.dll_CryptReleaseContext]
pop edi
xor al, al
pop esi
mov ecx, dword [esp + 0x20]
xor ecx, esp
call fcn.004dc2d2
add esp, 0x24
ret
mov ecx, dword [esp + 0x30]
push dword [esp + 0xc]
mov eax, dword [ecx]
mov dword [esi], eax
mov eax, dword [ecx + 4]
mov dword [esi + 4], eax
lea eax, [esp + 0x10]
push eax
push esi
push 0
push 0
push 0
push dword [esp + 0x28]
call dword [sym.imp.ADVAPI32.dll_CryptEncrypt]
push dword [esp + 0x10]
call dword [sym.imp.ADVAPI32.dll_CryptDestroyKey]
push 0
push dword [esp + 0xc]
call dword [sym.imp.ADVAPI32.dll_CryptReleaseContext]
mov ecx, dword [esp + 0x28]
mov al, 1
pop edi
pop esi
xor ecx, esp
call fcn.004dc2d2
add esp, 0x24
ret
Function at 0x4da930
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 [0x563300]
mov edi, eax
add esp, 4
test edi, edi
jne 0x4da957
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 0x4da99f
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 dword [esp + 0x20], ebx
jmp 0x4da9a3
mov ebp, dword [esp + 0x1c]
push dword [edi + 4]
mov eax, dword [esi]
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 0x4daa03
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
dec ebx
jne 0x4da9c4
mov ebx, dword [esp + 0x10]
cmp ebx, dword [esi + 0x10]
jae 0x4daa37
jmp 0x4daa10
mov eax, dword [esi + 4]
push 1
push 0x533da6
push dword [edi + 4]
call eax
mov eax, dword [esi + 4]
push 1
push 0x533da7
push dword [edi + 8]
call eax
inc ebx
add esp, 0x18
cmp ebx, dword [esi + 0x10]
jb 0x4daa10
pop ebp
pop ebx
mov eax, edi
pop edi
pop esi
pop ecx
ret

Function at 0x4e228b
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