joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4b1210
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
sub esp, 0x108
mov eax, dword [0x574464]
xor eax, esp
mov dword [esp + 0x104], eax
push ebx
push edi
mov edi, dword [esp + 0x114]
cmp dword [edi + 0x8c], 2
mov ebx, dword [edi]
je 0x4b1403
cmp byte [edi + 0x28a], 0
push esi
jne 0x4b13f9
cmp byte [edi + 0x2a4], 0
jne 0x4b13f9
mov esi, dword [esp + 0x11c]
lea eax, [esp + 0xc]
push eax
lea eax, [esp + 0x94]
mov dword [esp + 0x10], 0x80
push eax
push esi
call dword [sym.imp.WS2_32.dll_getpeername]
test eax, eax
je 0x4b12b5
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov esi, eax
push esi
push edi
call fcn.004a1890
push eax
push esi
push str.getpeername___failed_with_errno__d:__s
push ebx
call fcn.004aff80
add esp, 0x18
pop esi
pop edi
pop ebx
mov ecx, dword [esp + 0x104]
xor ecx, esp
call fcn.004e072a
add esp, 0x108
ret
push 0x80
lea eax, [esp + 0x14]
mov dword [esp + 0x10], 0x80
push 0
push eax
call fcn.0049da30
add esp, 0xc
lea eax, [esp + 0xc]
push eax
lea eax, [esp + 0x14]
push eax
push esi
call dword [sym.imp.WS2_32.dll_getsockname]
test eax, eax
je 0x4b131d
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov esi, eax
push esi
push edi
call fcn.004a1890
push eax
push esi
push str.getsockname___failed_with_errno__d:__s
push ebx
call fcn.004aff80
add esp, 0x18
pop esi
pop edi
pop ebx
mov ecx, dword [esp + 0x104]
xor ecx, esp
call fcn.004e072a
add esp, 0x108
ret
lea eax, [edi + 0xfc]
push eax
lea esi, [edi + 0xcc]
lea eax, [esp + 0x94]
push esi
push eax
call fcn.004b1880
add esp, 0xc
test al, al
jne 0x4b1376
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
push edi
call fcn.004a1890
push eax
push esi
push str.ssrem_inet_ntop___failed_with_errno__d:__s
push ebx
call fcn.004aff80
add esp, 0x18
pop esi
pop edi
pop ebx
mov ecx, dword [esp + 0x104]
xor ecx, esp
call fcn.004e072a
add esp, 0x108
ret
movups xmm0, xmmword [esi]
mov eax, dword [esi + 0x28]
movups xmmword [edi + 0x58], xmm0
movups xmm0, xmmword [esi + 0x10]
movups xmmword [edi + 0x68], xmm0
movq xmm0, qword [esi + 0x20]
movq qword [edi + 0x78], xmm0
mov dword [edi + 0x80], eax
mov ax, word [esi + 0x2c]
mov word [edi + 0x84], ax
lea eax, [edi + 0x130]
push eax
lea eax, [edi + 0x100]
push eax
lea eax, [esp + 0x18]
push eax
call fcn.004b1880
add esp, 0xc
test al, al
jne 0x4b13f9
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
push edi
call fcn.004a1890
push eax
push esi
push str.ssloc_inet_ntop___failed_with_errno__d:__s
push ebx
call fcn.004aff80
add esp, 0x18
pop esi
pop edi
pop ebx
mov ecx, dword [esp + 0x104]
xor ecx, esp
call fcn.004e072a
add esp, 0x108
ret
push edi
call fcn.004b0eb0
add esp, 4
pop esi
mov ecx, dword [esp + 0x10c]
pop edi
pop ebx
xor ecx, esp
call fcn.004e072a
add esp, 0x108
ret
Function at 0x4b1ba0
Capabilities:
Set socket configuration

Disassembly:
sub esp, 0x18
mov eax, dword [0x574464]
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 + 0x434], 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 0x4b1c00
push edi
push str.Failed_to_set_SO_KEEPALIVE_on_fd__d_n
push esi
call fcn.004b0050
add esp, 0xc
pop edi
pop esi
mov ecx, dword [esp + 0x14]
xor ecx, esp
call fcn.004e072a
add esp, 0x18
ret
push dword [esi + 0x438]
mov dword [esp + 0x14], 1
call fcn.004bcd10
push dword [esi + 0x43c]
imul eax, eax, 0x3e8
mov dword [esp + 0x10], eax
mov dword [esp + 0x1c], eax
call fcn.004bcd10
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 0x4b1c77
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.004b0050
add esp, 0x10
mov ecx, dword [esp + 0x1c]
pop edi
pop esi
xor ecx, esp
call fcn.004e072a
add esp, 0x18
ret
Function at 0x4b2180
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 0xc]
test eax, eax
jne 0x4b218c
pop ebp
ret
mov dword [ebp + 0xc], eax
pop ebp
jmp fcn.004b21a0
Function at 0x4bdef0
Capabilities:
Get common file path

Disassembly:
push ecx
push ebx
push edi
push str.kernel32
xor edi, edi
call dword [sym.imp.KERNEL32.dll_GetModuleHandleA]
mov ebx, eax
test ebx, ebx
jne 0x4bdf0a
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 0x54487c
push esi
call fcn.0050b270
add esp, 8
test eax, eax
je 0x4bdf52
test ebp, ebp
je 0x4bdf43
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 0x4bdf78
push str.AddDllDirectory
push ebx
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
test eax, eax
je 0x4bdf78
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 0x4be02f
mov ecx, esi
lea ebx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4bdf95
sub ecx, ebx
lea eax, [edx + 1]
add eax, ecx
push eax
call dword [0x574360]
mov ebx, eax
add esp, 4
test ebx, ebx
je 0x4be025
push dword [esp + 0x10]
push ebx
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryA]
test eax, eax
je 0x4be025
mov ecx, ebx
lea edx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4bdfc7
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 0x4bdfe0
sub ecx, edx
add ecx, ebx
sub ecx, esi
nop dword [eax]
mov al, byte [esi]
lea esi, [esi + 1]
mov byte [ecx + esi - 1], al
test al, al
jne 0x4bdff0
test ebp, ebp
je 0x4be01c
push 8
push 0
push ebx
call ebp
push ebx
mov edi, eax
call dword [0x574364]
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 [0x574364]
add esp, 4
pop esi
pop ebp
mov eax, edi
pop edi
pop ebx
pop ecx
ret
Function at 0x4be1e0
Capabilities:
Resolve dns

Disassembly:
sub esp, 8
mov eax, dword [esp + 0x18]
push ebx
push ebp
xor ebx, ebx
xor ebp, ebp
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 0x4be35c
push edi
mov edi, dword [esp + 0xc]
test edi, edi
je 0x4be347
push esi
cmp dword [edi + 4], 2
jne 0x4be2d4
cmp dword [edi + 0x18], 0
je 0x4be2d4
mov eax, dword [edi + 0x10]
test eax, eax
je 0x4be2d4
cmp eax, 0x10
jb 0x4be2d4
push 0x20
call dword [0x574360]
mov esi, eax
add esp, 4
test esi, esi
je 0x4be33c
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 0x10
mov dword [esi + 0xc], eax
mov dword [esi + 0x10], 0x10
mov dword [esi + 0x18], 0
mov dword [esi + 0x14], 0
mov dword [esi + 0x1c], 0
call dword [0x574360]
add esp, 4
mov dword [esi + 0x18], eax
test eax, eax
je 0x4be32b
mov ecx, dword [edi + 0x18]
movups xmm0, xmmword [ecx]
movups xmmword [eax], xmm0
mov eax, dword [edi + 0x14]
test eax, eax
je 0x4be2c6
push eax
call dword [0x57436c]
add esp, 4
mov dword [esi + 0x14], eax
test eax, eax
je 0x4be311
test ebx, ebx
cmove ebx, esi
test ebp, ebp
je 0x4be2d2
mov dword [ebp + 0x1c], esi
mov ebp, esi
mov edi, dword [edi + 0x1c]
test edi, edi
jne 0x4be220
mov ebp, dword [esp + 0x14]
mov eax, dword [esp + 0x10]
pop esi
test eax, eax
je 0x4be2f3
push eax
call dword [sym.imp.WS2_32.dll_freeaddrinfo]
test ebp, ebp
je 0x4be343
push ebx
call fcn.004be1a0
mov eax, dword [esp + 0x28]
add esp, 4
xor ebx, ebx
mov dword [eax], ebx
mov eax, ebp
pop edi
pop ebp
pop ebx
add esp, 8
ret
push dword [esi + 0x18]
mov ebp, 8
call dword [0x574364]
push esi
call dword [0x574364]
add esp, 8
jmp 0x4be2e3
push esi
mov ebp, 8
call dword [0x574364]
add esp, 4
jmp 0x4be2e3
mov ebp, 8
jmp 0x4be2e3
test ebx, ebx
jne 0x4be353
mov ebp, 0x2af9
push ebp
call dword [sym.imp.WS2_32.dll_WSASetLastError]
mov eax, dword [esp + 0x24]
pop edi
mov dword [eax], ebx
mov eax, ebp
pop ebp
pop ebx
add esp, 8
ret
Function at 0x4c2740
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
sub esp, 0x18
mov eax, dword [0x574464]
xor eax, esp
mov dword [esp + 0x14], eax
push ebx
push ebp
push esi
mov esi, dword [esp + 0x28]
lea eax, [esp + 0xc]
push edi
push eax
lea eax, [esp + 0x18]
mov dword [esp + 0x14], 0x10
mov ebp, dword [esi + 0x16c]
or edi, 0xffffffff
mov ebx, dword [esi]
push eax
push ebp
call dword [sym.imp.WS2_32.dll_getsockname]
test eax, eax
jne 0x4c2799
lea eax, [esp + 0x10]
mov dword [esp + 0x10], 0x10
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.004b0820
add esp, 8
cmp edi, 0xffffffff
jne 0x4c27ce
push str.Error_accept__ing_server_connect
push ebx
call fcn.004aff80
add esp, 8
mov eax, 0x1e
pop edi
pop esi
pop ebp
pop ebx
mov ecx, dword [esp + 0x14]
xor ecx, esp
call fcn.004e072a
add esp, 0x18
ret
push str.Connection_accepted_from_server_n
push ebx
call fcn.004b0050
push 1
mov byte [esi + 0x293], 0
push edi
mov dword [esi + 0x16c], edi
call fcn.004d25e0
mov byte [esi + 0x179], 1
add esp, 0x10
mov eax, dword [ebx + 0x1d8]
test eax, eax
je 0x4c2835
push 1
push edi
push dword [ebx + 0x1dc]
call eax
add esp, 0xc
test eax, eax
je 0x4c2835
push esi
call fcn.004c2cb0
add esp, 4
mov eax, 0x2a
pop edi
pop esi
pop ebp
pop ebx
mov ecx, dword [esp + 0x14]
xor ecx, esp
call fcn.004e072a
add esp, 0x18
ret
mov ecx, dword [esp + 0x24]
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.004e072a
add esp, 0x18
ret
Function at 0x4c7310
Capabilities:
Initialize winsock library

Disassembly:
sub esp, 0x194
mov eax, dword [0x574464]
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 0x4c734e
push eax
push str.WSAStartup_failed___d_
push esi
call fcn.004aff80
add esp, 0xc
jmp 0x4c7389
call dword [sym.imp.WS2_32.dll_WSACleanup]
mov eax, dword [esp + 4]
cmp al, 2
jne 0x4c737b
shr eax, 8
test al, al
jne 0x4c737b
xor eax, eax
pop esi
mov ecx, dword [esp + 0x190]
xor ecx, esp
call fcn.004e072a
add esp, 0x194
ret
push str.insufficient_winsock_version_to_support_telnet
push esi
call fcn.004aff80
add esp, 8
mov ecx, dword [esp + 0x194]
mov eax, 2
pop esi
xor ecx, esp
call fcn.004e072a
add esp, 0x194
ret

Function at 0x4c7c30
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 + 0x168]
mov byte [esp + 0x20], 0xff
mov byte [esp + 0x21], bl
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x4c7c7c
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push edi
call fcn.004aff80
add esp, 0xc
push dword [esp + 0x18]
push ebx
push str.SENT
push dword [esi]
call fcn.004c7530
add esp, 0x10
pop edi
pop esi
pop ebx
ret
Function at 0x4c7d60
Capabilities:
Send data
Send data on socket

Disassembly:
sub esp, 0x14
cmp dword [esp + 0x1c], 0x1f
mov eax, dword [esp + 0x18]
push ebx
mov eax, dword [eax]
mov dword [esp + 4], eax
mov ebx, dword [eax + 0x154]
jne 0x4c7eb9
push ebp
push edi
lea ebp, [ebx + 0x1cb0]
lea edi, [ebx + 0x1eb0]
mov dword [edi], ebp
cmp ebp, edi
jae 0x4c7d99
mov byte [ebp], 0xff
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4c7da4
mov byte [eax], 0xfa
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4c7daf
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
mov word [esp + 0x14], ax
movzx eax, word [ebx + 0x1caa]
push eax
call esi
mov ecx, dword [edi]
mov word [esp + 0x1c], ax
cmp ecx, edi
jae 0x4c7de2
mov al, byte [esp + 0x14]
mov byte [ecx], al
inc dword [edi]
mov ecx, dword [edi]
cmp ecx, edi
jae 0x4c7df0
mov al, byte [esp + 0x15]
mov byte [ecx], al
inc dword [edi]
mov ecx, dword [edi]
cmp ecx, edi
jae 0x4c7dfe
mov al, byte [esp + 0x1c]
mov byte [ecx], al
inc dword [edi]
mov ecx, dword [edi]
cmp ecx, edi
jae 0x4c7e0c
mov al, byte [esp + 0x1d]
mov byte [ecx], al
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4c7e17
mov byte [eax], 0xff
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4c7e22
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.004c7640
mov edi, dword [esp + 0x38]
add esp, 0x10
push 0
push 3
push ebp
push dword [edi + 0x168]
call dword [sym.imp.WS2_32.dll_send]
mov ebp, dword [sym.imp.WS2_32.dll_WSAGetLastError]
test eax, eax
jns 0x4c7e78
call ebp
push eax
push str.Sending_data_failed___d_
push esi
call fcn.004aff80
add esp, 0xc
push 4
lea eax, [ebx + 0x1cb3]
push eax
push edi
call fcn.004c7ca0
add esp, 0xc
lea eax, [ebx + 0x1cb7]
push 0
push 2
push eax
push dword [edi + 0x168]
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x4c7eb6
call ebp
push eax
push str.Sending_data_failed___d_
push esi
call fcn.004aff80
add esp, 0xc
pop esi
pop edi
pop ebp
pop ebx
add esp, 0x14
ret
Function at 0x4c8dc0
Capabilities:
Receive data
Receive data on socket

Disassembly:
sub esp, 0x88
mov eax, dword [0x574464]
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 + 0x4e8]
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 0x4c8e46
push dword [esp + 0x10]
lea eax, [esp + 0x18]
push eax
lea eax, [esi + 0xc8]
push eax
call fcn.0049d4b0
mov eax, dword [esp + 0x1c]
add esp, 0xc
mov dword [esi + 0x148], eax
mov edx, dword [esi + 0x14c]
cmp edx, 4
jge 0x4c8e81
push str.Received_too_short_packet
push edi
call fcn.004aff80
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.004e072a
add esp, 0x88
ret
mov eax, dword [esi + 0x15c]
movzx ecx, byte [eax + 1]
movzx eax, byte [eax]
shl eax, 8
or ecx, eax
mov dword [esi + 0xc], ecx
add ecx, 0xfffffffd
cmp ecx, 3
ja case.default.0x4c8ea2
jmp dword [ecx*4 + 0x4c8fac]
cmp edx, 4
jle case.0x4c8ea2.4
mov eax, dword [esi + 0x15c]
movzx ecx, byte [eax + 2]
movzx eax, byte [eax + 3]
shl ecx, 8
or ecx, eax
movzx eax, word [esi + 0x40]
inc eax
movzx eax, ax
cmp eax, ecx
jne case.0x4c8ea2.4
lea eax, [edx - 4]
push eax
mov eax, dword [esi + 0x15c]
add eax, 4
push eax
push 1
push ebp
call fcn.004afe60
mov ebx, eax
add esp, 0x10
test ebx, ebx
je 0x4c8f06
push 5
push esi
call fcn.004c9700
add esp, 8
mov eax, ebx
jmp 0x4c8e68
mov eax, dword [esi + 0x14c]
sub eax, 4
cdq
add dword [edi + 0x70], eax
adc dword [edi + 0x74], edx
push dword [edi + 0x74]
push dword [edi + 0x70]
push edi
call fcn.004bbee0
jmp 0x4c8f81
mov eax, dword [esi + 0x15c]
movzx ecx, byte [eax + 2]
movzx eax, byte [eax + 3]
shl ecx, 8
or ecx, eax
mov eax, dword [esi + 0x15c]
add eax, 4
mov dword [esi + 8], ecx
push eax
push 0x53f4c0
push edi
call fcn.004b0050
jmp 0x4c8f81
lea eax, [edx - 2]
push eax
mov eax, dword [esi + 0x15c]
add eax, 2
push eax
push esi
call fcn.004c8b50
add esp, 0xc
test eax, eax
je case.0x4c8ea2.4
jmp 0x4c8e68
push str.Internal_error:_Unexpected_packet
push 0x540038
push edi
call fcn.004aff80
add esp, 0xc
push ebp
call fcn.004bc140
add esp, 4
test eax, eax
je 0x4c8e66
push 5
push esi
call fcn.004c9700
add esp, 8
mov eax, 0x2a
jmp 0x4c8e68
Function at 0x4d0100
Capabilities:
Query environment variable

Disassembly:
sub esp, 0x108
mov eax, dword [0x574464]
xor eax, esp
mov dword [esp + 0x104], eax
mov eax, dword [esp + 0x10c]
push eax
call fcn.0050c266
add esp, 4
mov byte [esp], 0
test eax, eax
je 0x4d0165
push 0x104
lea ecx, [esp + 4]
push ecx
push eax
call dword [sym.imp.KERNEL32.dll_ExpandEnvironmentStringsA]
cmp byte [esp], 0
je 0x4d0165
lea eax, [esp]
push eax
call dword [0x57436c]
add esp, 4
mov ecx, dword [esp + 0x104]
xor ecx, esp
call fcn.004e072a
add esp, 0x108
ret
mov ecx, dword [esp + 0x104]
xor eax, eax
xor ecx, esp
call fcn.004e072a
add esp, 0x108
ret
Function at 0x4d3c20
Capabilities:
Read file on windows

Disassembly:
push esi
mov esi, dword [esp + 8]
push edi
mov eax, dword [esi]
cmp dword [eax + 4], 2
jne 0x4d3c4b
mov ecx, dword [esi + 0xc]
test ecx, ecx
jne 0x4d3c3a
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 0x4d3c80
cmp dword [esi + 8], 0
jne 0x4d3c6e
push 0x5608dc
push dword [eax + 8]
call fcn.0050a3f4
add esp, 8
mov dword [esi + 8], eax
test eax, eax
jne 0x4d3c6e
pop edi
or eax, 0xffffffff
pop esi
ret
push dword [esi + 8]
push dword [esp + 0x18]
push 1
push dword [esp + 0x1c]
call fcn.0050abf6
mov edi, eax
add esp, 0x10
test edi, edi
jne 0x4d3ca2
mov eax, dword [esi + 8]
test eax, eax
je 0x4d3c9c
push eax
call fcn.0050945c
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 0x4d7fa0
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 0x4d7fb0
sub esi, ecx
lea ebp, [esi + esi]
push ebp
call dword [0x574360]
mov edi, eax
add esp, 4
test edi, edi
jne 0x4d7fd7
lea eax, [edi + 0x1b]
pop edi
pop esi
pop ebp
pop ebx
add esp, 0xc
ret
xor ecx, ecx
test esi, esi
je 0x4d7ff0
nop dword [eax]
mov al, byte [ecx + ebx]
mov byte [edi + ecx*2], al
mov byte [edi + ecx*2 + 1], 0
inc ecx
cmp ecx, esi
jb 0x4d7fe0
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 0x4d806a
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 0x4d805e
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 [0x574364]
add esp, 4
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
add esp, 0xc
ret
Function at 0x4d8090
Capabilities:
Create new key via cryptacquirecontext
Encrypt data using des via winapi
Encrypt or decrypt via wincrypt

Disassembly:
sub esp, 0x24
mov eax, dword [0x574464]
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 0x4d8134
lea eax, [esp + 0x20]
mov dword [esp + 0x24], 0
push eax
xorps xmm0, xmm0
movups xmmword [esp + 0x18], xmm0
push edi
mov word [esp + 0x1c], 0x208
mov dword [esp + 0x20], 0x6601
mov dword [esp + 0x24], 8
call fcn.004d81a0
lea eax, [esp + 0x28]
push 8
push eax
call fcn.004dcff0
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 0x4d8147
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.004e072a
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.004e072a
add esp, 0x24
ret
Function at 0x4dda90
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 [0x574360]
mov edi, eax
add esp, 4
test edi, edi
jne 0x4ddab7
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 0x4ddaff
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 0x4ddb03
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 0x4ddb65
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 0x4ddb24
mov ebx, dword [esp + 0x10]
cmp ebx, dword [esi + 0x10]
jae 0x4ddb97
nop word [eax + eax]
mov eax, dword [esi + 4]
push 1
push 0x54b0c8
push dword [edi + 4]
call eax
mov eax, dword [esi + 4]
push 1
push 0x54b0c9
push dword [edi + 8]
call eax
inc ebx
add esp, 0x18
cmp ebx, dword [esi + 0x10]
jb 0x4ddb70
pop ebp
pop ebx
mov eax, edi
pop edi
pop esi
pop ecx
ret

Function at 0x4e4e6c
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 0x5162e0
Capabilities:
Read file on windows

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
pop ebp
jmp fcn.0051615f

Function at 0x519e94
Capabilities:
Set environment variable

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
pop ebp
jmp fcn.00519b54
Function at 0x425d10
Capabilities:
Enumerate pe sections

Disassembly:
push esi
push ebx
mov edx, dword [esp + 0xc]
mov ebx, dword [esp + 0x10]
add edx, dword [edx + 0x3c]
movzx esi, word [edx + 6]
movzx eax, word [edx + 0x14]
test esi, esi
lea eax, [edx + eax + 0x18]
je 0x425d48
xor edx, edx
nop
mov ecx, dword [eax + 0xc]
cmp ecx, ebx
ja 0x425d3e
add ecx, dword [eax + 8]
cmp ebx, ecx
jb 0x425d4a
add edx, 1
add eax, 0x28
cmp edx, esi
jb 0x425d30
xor eax, eax
pop ebx
pop esi
ret