joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4a4170
Capabilities:
Resolve dns

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x14
mov eax, dword [ebp + 0x14]
push ebx
xor ebx, ebx
mov dword [ebp - 0xc], ebx
mov dword [eax], ebx
lea eax, [ebp - 0x10]
push eax
push dword [ebp + 0x10]
push dword [ebp + 0xc]
push dword [ebp + 8]
call dword [sym.imp.WS2_32.dll_getaddrinfo]
mov dword [ebp - 0x14], eax
test eax, eax
jne 0x4a42ed
push esi
mov esi, dword [ebp - 0x10]
test esi, esi
je 0x4a42d9
push edi
nop dword [eax]
mov eax, dword [esi + 0x14]
test eax, eax
je 0x4a41ce
lea edx, [eax + 1]
nop word [eax + eax]
mov cl, byte [eax]
inc eax
test cl, cl
jne 0x4a41c0
sub eax, edx
lea ecx, [eax + 1]
jmp 0x4a41d0
xor ecx, ecx
mov eax, dword [esi + 4]
mov dword [ebp - 8], ecx
cmp eax, 2
jne 0x4a41e2
mov eax, 0x10
jmp 0x4a41f0
cmp eax, 0x17
jne 0x4a4295
mov eax, 0x1c
cmp dword [esi + 0x18], 0
mov dword [ebp - 4], eax
je 0x4a4295
mov edx, dword [esi + 0x10]
test edx, edx
je 0x4a4295
cmp edx, eax
jb 0x4a4295
add ecx, 0x20
add eax, ecx
push eax
call dword [0x57933c]
mov edi, eax
add esp, 4
test edi, edi
je 0x4a42ce
mov ecx, dword [esi]
mov dword [edi], ecx
mov ecx, dword [esi + 4]
mov dword [edi + 4], ecx
mov ecx, dword [esi + 8]
mov dword [edi + 8], ecx
mov eax, dword [esi + 0xc]
mov ecx, dword [ebp - 4]
mov dword [edi + 0xc], eax
lea eax, [edi + 0x20]
push ecx
mov dword [edi + 0x10], ecx
mov dword [edi + 0x14], 0
mov dword [edi + 0x1c], 0
mov dword [edi + 0x18], eax
push dword [esi + 0x18]
push eax
call fcn.004d6b00
mov edx, dword [ebp - 8]
add esp, 0xc
test edx, edx
je 0x4a4283
mov eax, dword [edi + 0x18]
add eax, dword [ebp - 4]
push edx
mov dword [edi + 0x14], eax
push dword [esi + 0x14]
push eax
call fcn.004d6b00
add esp, 0xc
mov eax, dword [ebp - 0xc]
test ebx, ebx
cmove ebx, edi
test eax, eax
je 0x4a4292
mov dword [eax + 0x1c], edi
mov dword [ebp - 0xc], edi
mov esi, dword [esi + 0x1c]
test esi, esi
jne 0x4a41b0
mov esi, dword [ebp - 0x14]
mov eax, dword [ebp - 0x10]
pop edi
test eax, eax
je 0x4a42b2
push eax
call dword [sym.imp.WS2_32.dll_freeaddrinfo]
test esi, esi
je 0x4a42d5
push ebx
call fcn.004a4140
mov eax, dword [ebp + 0x14]
add esp, 4
xor ebx, ebx
mov dword [eax], ebx
mov eax, esi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
mov esi, 8
jmp 0x4a42a3
test ebx, ebx
jne 0x4a42e5
mov esi, 0x2af9
push esi
call dword [sym.imp.WS2_32.dll_WSASetLastError]
mov eax, dword [ebp + 0x14]
mov dword [eax], ebx
mov eax, esi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret

Function at 0x4a46f0
Capabilities:
Create thread

Disassembly:
push ebp
mov ebp, esp
push 0
push 0
push dword [ebp + 0xc]
push dword [ebp + 8]
push 0
push 0
call fcn.0051a19e
add esp, 0x18
test eax, eax
je 0x4a4712
cmp eax, 0xffffffff
jne 0x4a4714
xor eax, eax
pop ebp
ret

Function at 0x4a48a0
Capabilities:
Generate random numbers via winapi

Disassembly:
push ebp
mov ebp, esp
push dword [ebp + 0xc]
push 0
push dword [ebp + 8]
call fcn.004d7080
add esp, 0xc
push 2
push dword [ebp + 0xc]
push dword [ebp + 8]
push 0
call sub.bcrypt.dll_BCryptGenRandom
neg eax
sbb eax, eax
and eax, 2
pop ebp
ret

Function at 0x4a4a00
Capabilities:
Query environment variable

Disassembly:
push ebp
mov ebp, esp
pop ebp
jmp fcn.004a4970
Function at 0x4add20
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x8c
mov eax, dword [0x5796f4]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
push esi
push edi
mov edi, dword [ebp + 8]
lea eax, [ebp - 0x8c]
push eax
lea eax, [ebp - 0x84]
push eax
mov ebx, dword [edi + 0x18]
mov esi, dword [ebx + 0x10c]
push esi
mov dword [ebp - 0x88], 0xffffffff
mov dword [ebp - 0x8c], 0x80
call dword [sym.imp.WS2_32.dll_getsockname]
test eax, eax
jne 0x4add96
lea eax, [ebp - 0x8c]
mov dword [ebp - 0x8c], 0x80
push eax
lea eax, [ebp - 0x84]
push eax
push esi
call dword [sym.imp.WS2_32.dll_accept]
mov dword [ebp - 0x88], eax
jmp 0x4add9c
mov eax, dword [ebp - 0x88]
cmp eax, 0xffffffff
jne 0x4addc5
push str.Error_accept__ing_server_connect
push edi
call fcn.00491db0
add esp, 8
mov eax, 0x1e
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004edc8a
mov esp, ebp
pop ebp
ret
push str.Connection_accepted_from_server
push edi
call fcn.00491e70
mov byte [ebx + 0x1b5], 0
push 1
push dword [ebp - 0x88]
call fcn.004c6260
lea eax, [ebp - 0x88]
push eax
push 1
push ebx
push edi
call fcn.004bae70
add esp, 0x20
test eax, eax
jne 0x4ade54
cmp dword [edi + 0x1a4], eax
je 0x4ade52
push 1
push edi
call fcn.004832a0
mov eax, dword [edi + 0x1a4]
push 1
push dword [ebp - 0x88]
push dword [edi + 0x1a8]
call eax
push 0
push edi
mov esi, eax
call fcn.004832a0
add esp, 0x1c
test esi, esi
je 0x4ade52
push ebx
push edi
call fcn.004ae350
add esp, 8
mov eax, 0x2a
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004edc8a
mov esp, ebp
pop ebp
ret
xor eax, eax
mov ecx, dword [ebp - 4]
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.004edc8a
mov esp, ebp
pop ebp
ret

Function at 0x4b03f0
Capabilities:
Check http status code

Disassembly:
push ebp
mov ebp, esp
mov ecx, dword [ebp + 0xc]
push ebx
push esi
mov esi, dword [ebp + 8]
push edi
lea eax, [ecx - 0xc8]
xor edi, edi
mov ebx, dword [esi + 0x18]
cmp eax, 0x64
jb 0x4b0422
push str.Couldnt_set_desired_mode
push esi
call fcn.00491db0
add esp, 8
lea eax, [edi + 0x11]
pop edi
pop esi
pop ebx
pop ebp
ret
cmp ecx, 0xc8
je 0x4b0439
push ecx
push str.Got_a__03d_response_code_instead_of_the_assumed_200
push esi
call fcn.00491e70
add esp, 0xc
mov al, byte [ebp + 0x10]
cmp al, 0x13
jne 0x4b0451
push ebx
push esi
call fcn.004b0070
add esp, 8
mov edi, eax
pop edi
pop esi
pop ebx
pop ebp
ret
cmp al, 0x14
jne 0x4b0465
push esi
call fcn.004af0d0
add esp, 4
mov edi, eax
pop edi
pop esi
pop ebx
pop ebp
ret
cmp al, 0x15
jne 0x4b0479
push esi
call fcn.004b0050
add esp, 4
mov edi, eax
pop edi
pop esi
pop ebx
pop ebp
ret
cmp al, 0x16
jne 0x4b0488
push esi
call fcn.004b02d0
add esp, 4
mov edi, eax
mov eax, edi
pop edi
pop esi
pop ebx
pop ebp
ret
Function at 0x4b7110
Capabilities:
Send data
Send data on socket

Disassembly:
push ebp
mov ebp, esp
mov ecx, dword [ebp + 0x10]
push ebx
mov ebx, dword [ebp + 0xc]
push esi
mov esi, dword [ebp + 8]
push 0
mov byte [ebp + 0xa], cl
lea ecx, [ebp + 8]
push 3
mov eax, dword [esi + 0x18]
push ecx
mov byte [ebp + 8], 0xff
mov byte [ebp + 9], bl
push dword [eax + 0x108]
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x4b7158
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push esi
call fcn.00491db0
add esp, 0xc
push dword [ebp + 0x10]
push ebx
push str.SENT
push esi
call fcn.004b6a00
add esp, 0x10
pop esi
pop ebx
pop ebp
ret

Function at 0x4b72b0
Capabilities:
Send data
Send data on socket

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x14
cmp dword [ebp + 0xc], 0x1f
mov eax, dword [ebp + 8]
push ebx
mov ebx, dword [eax + 0x11c]
mov eax, dword [eax + 0x18]
mov dword [ebp - 4], eax
jne 0x4b740e
push edi
lea eax, [ebx + 0x1cc4]
lea edi, [ebx + 0x1ec4]
mov dword [edi], eax
cmp eax, edi
jae 0x4b72e8
mov byte [eax], 0xff
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4b72f3
mov byte [eax], 0xfa
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4b72fe
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 [ebp - 0xc], ax
movzx eax, word [ebx + 0x1caa]
push eax
call esi
mov ecx, dword [edi]
mov word [ebp - 0x14], ax
cmp ecx, edi
jae 0x4b732e
mov al, byte [ebp - 0xc]
mov byte [ecx], al
inc dword [edi]
mov ecx, dword [edi]
cmp ecx, edi
jae 0x4b733b
mov al, byte [ebp - 0xb]
mov byte [ecx], al
inc dword [edi]
mov ecx, dword [edi]
cmp ecx, edi
jae 0x4b7348
mov al, byte [ebp - 0x14]
mov byte [ecx], al
inc dword [edi]
mov ecx, dword [edi]
cmp ecx, edi
jae 0x4b7355
mov al, byte [ebp - 0x13]
mov byte [ecx], al
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4b7360
mov byte [eax], 0xff
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4b736b
mov byte [eax], 0xf0
inc dword [edi]
mov eax, dword [edi]
lea ecx, [ebx + 0x1cc4]
mov esi, dword [ebp + 8]
mov dword [ebx + 0x1ec8], eax
sub eax, ecx
sub eax, 2
mov dword [edi], ecx
push eax
lea eax, [ebx + 0x1cc6]
push eax
push 0x3e
push esi
call fcn.004b6b00
add esp, 0x10
lea eax, [ebx + 0x1cc4]
push 0
push 3
push eax
mov eax, dword [ebp - 4]
push dword [eax + 0x108]
call dword [sym.imp.WS2_32.dll_send]
mov edi, dword [sym.imp.WS2_32.dll_WSAGetLastError]
test eax, eax
jns 0x4b73cb
call edi
push eax
push str.Sending_data_failed___d_
push esi
call fcn.00491db0
add esp, 0xc
push 4
lea eax, [ebx + 0x1cc7]
push eax
push esi
call fcn.004b7170
add esp, 0xc
lea eax, [ebx + 0x1ccb]
push 0
push 2
push eax
mov eax, dword [ebp - 4]
push dword [eax + 0x108]
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x4b740c
call edi
push eax
push str.Sending_data_failed___d_
push esi
call fcn.00491db0
add esp, 0xc
pop esi
pop edi
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x4b8470
Capabilities:
Receive data
Receive data on socket

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x90
mov eax, dword [0x5796f4]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
push esi
mov esi, dword [ebp + 8]
xor ebx, ebx
push edi
mov dword [ebp - 0x90], esi
mov eax, dword [esi + 0x18]
mov edi, dword [eax + 0x230]
lea eax, [ebp - 0x88]
push eax
mov dword [ebp - 0x88], 0x80
lea eax, [ebp - 0x84]
push eax
mov eax, dword [edi + 0x13c]
push ebx
add eax, 4
push eax
push dword [edi + 0x148]
push dword [edi + 0x14]
call dword [sym.imp.WS2_32.dll_recvfrom]
mov dword [edi + 0x134], eax
cmp dword [edi + 0x130], ebx
jne 0x4b8502
push dword [ebp - 0x88]
lea eax, [ebp - 0x84]
push eax
lea eax, [edi + 0xb0]
push eax
call fcn.004d6b00
mov eax, dword [ebp - 0x88]
add esp, 0xc
mov dword [edi + 0x130], eax
mov edx, dword [edi + 0x134]
cmp edx, 4
jge 0x4b8535
push str.Received_too_short_packet
push esi
call fcn.00491db0
add esp, 8
mov dword [edi + 0xc], 7
pop edi
pop esi
mov eax, ebx
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004edc8a
mov esp, ebp
pop ebp
ret
lea eax, [edi + 0x148]
push eax
call fcn.004b8080
movzx eax, ax
add esp, 4
mov dword [edi + 0xc], eax
add eax, 0xfffffffd
cmp eax, 3
ja case.default.0x4b8556
jmp dword [eax*4 + 0x4b868c]
cmp edx, 4
jle case.0x4b8556.4
lea eax, [edi + 0x148]
push eax
call fcn.004b8060
movzx ecx, word [edi + 0x144]
add esp, 4
inc ecx
cmp cx, ax
jne case.0x4b8556.4
lea eax, [edx - 4]
push eax
mov eax, dword [edi + 0x148]
add eax, 4
push eax
push 1
push esi
call fcn.004922d0
mov ebx, eax
add esp, 0x10
test ebx, ebx
je case.0x4b8556.4
push 5
push edi
call fcn.004b8eb0
add esp, 8
mov eax, ebx
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004edc8a
mov esp, ebp
pop ebp
ret
mov ecx, dword [edi + 0x148]
lea eax, [edi + 0x148]
add ecx, 4
lea esi, [edx - 4]
push eax
mov dword [ebp - 0x8c], ecx
call fcn.004b8060
push esi
push dword [ebp - 0x8c]
movzx eax, ax
mov dword [edi + 8], eax
call fcn.004b8fe0
add esp, 0xc
cmp eax, esi
mov esi, dword [ebp - 0x90]
jae case.0x4b8556.4
push dword [ebp - 0x8c]
push str.TFTP_error:__s
push esi
call fcn.00491e70
jmp 0x4b8655
lea eax, [edx - 2]
push eax
mov eax, dword [edi + 0x148]
add eax, 2
push eax
push edi
call fcn.004b8240
mov ebx, eax
add esp, 0xc
test ebx, ebx
je case.0x4b8556.4
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004edc8a
mov esp, ebp
pop ebp
ret
push str.Internal_error:_Unexpected_packet
push 0x545094
push esi
call fcn.00491db0
add esp, 0xc
push esi
call fcn.004a1ce0
add esp, 4
test eax, eax
je 0x4b8522
push 5
push edi
call fcn.004b8eb0
mov ecx, dword [ebp - 4]
add esp, 8
xor ecx, ebp
mov eax, 0x2a
pop edi
pop esi
pop ebx
call fcn.004edc8a
mov esp, ebp
pop ebp
ret
Function at 0x4bba70
Capabilities:
Connect socket

Disassembly:
push ebp
mov ebp, esp
push ebx
mov ebx, dword [ebp + 8]
push edi
mov edi, dword [ebx + 8]
push dword [edi + 0x14]
lea eax, [edi + 0x18]
push eax
push dword [edi + 0x98]
call dword [sym.imp.WS2_32.dll_connect]
cmp eax, 0xffffffff
jne 0x4bbab0
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
lea eax, [edi + 0xbc]
push eax
push dword [ebp + 0xc]
call fcn.004bc000
add esp, 0xc
pop edi
pop ebx
pop ebp
ret
push dword [ebp + 0xc]
mov byte [edi + 0x15e], 1
push ebx
call fcn.004bbda0
push dword [edi + 0xec]
cmp dword [edi], 5
lea eax, [edi + 0xbc]
push eax
push dword [edi + 0x120]
lea eax, [edi + 0xf0]
mov ecx, 0x54bf80
push eax
push dword [edi + 0x98]
mov eax, str.QUIC
cmovne eax, ecx
push eax
push str._s_socket__d_connected:___s:_d_______s:_d_
push ebx
push dword [ebp + 0xc]
call fcn.00491ef0
push 1
push dword [edi + 0x98]
call fcn.004c6260
add esp, 0x34
xor eax, eax
pop edi
pop ebx
pop ebp
ret

Function at 0x4bbb80
Capabilities:
Connect socket

Disassembly:
push ebp
mov ebp, esp
cmp byte [ebp + 0x10], 0
mov eax, dword [ebp + 8]
mov ecx, dword [eax + 8]
jne 0x4bbba4
push dword [ecx + 0x14]
lea eax, [ecx + 0x18]
push eax
push dword [ecx + 0x98]
call dword [sym.imp.WS2_32.dll_connect]
pop ebp
ret
or eax, 0xffffffff
pop ebp
ret

Function at 0x4bbbb0
Capabilities:
Receive data
Receive data on socket

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x104
mov eax, dword [0x5796f4]
xor eax, ebp
mov dword [ebp - 4], eax
mov ecx, dword [ebp + 0xc]
push ebx
mov ebx, dword [ebp + 8]
push esi
push edi
mov edi, dword [ebp + 0x14]
mov eax, dword [ebx]
push 0
push dword [ebp + 0x10]
mov eax, dword [eax + 8]
push ecx
mov dword [edi], 0
push dword [eax + 0x98]
call dword [sym.imp.WS2_32.dll_recv]
mov esi, eax
cmp esi, 0xffffffff
jne 0x4bbc40
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov esi, eax
cmp esi, 0x2733
jne 0x4bbc0b
mov dword [edi], 0x51
jmp 0x4bbc3d
push 0x100
lea eax, [ebp - 0x104]
push eax
push esi
call fcn.00482210
push eax
push str.Recv_failure:__s
push dword [ebx + 4]
call fcn.00491db0
mov eax, dword [ebx + 4]
add esp, 0x18
mov dword [eax + 0x934], esi
mov dword [edi], 0x38
or esi, 0xffffffff
push dword [edi]
push esi
push dword [ebp + 0x10]
push str.nw_in_read_len_zu______d__err_d
push dword [ebx]
push dword [ebx + 4]
call fcn.00491ef0
mov ecx, dword [ebp - 4]
add esp, 0x18
mov eax, esi
xor ecx, ebp
pop edi
pop esi
pop ebx
call fcn.004edc8a
mov esp, ebp
pop ebp
ret
Function at 0x4bbda0
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x188
mov eax, dword [0x5796f4]
xor eax, ebp
mov dword [ebp - 4], eax
mov eax, dword [ebp + 8]
push ebx
mov ebx, dword [ebp + 0xc]
push esi
mov esi, dword [eax + 8]
mov eax, dword [ebx + 0x18]
mov eax, dword [eax + 0x1c8]
test dword [eax + 0x44], 0x800
jne 0x4bbec1
push 0x80
lea eax, [ebp - 0x184]
mov dword [ebp - 0x188], 0x80
push 0
push eax
call fcn.004d7080
add esp, 0xc
lea eax, [ebp - 0x188]
push eax
lea eax, [ebp - 0x184]
push eax
push dword [esi + 0x98]
call dword [sym.imp.WS2_32.dll_getsockname]
test eax, eax
je 0x4bbe51
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov esi, eax
lea eax, [ebp - 0x104]
push 0x100
push eax
push esi
call fcn.00482210
push eax
push esi
push str.getsockname___failed_with_errno__d:__s
push ebx
call fcn.00491db0
add esp, 0x1c
mov eax, 2
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004edc8a
mov esp, ebp
pop ebp
ret
lea eax, [esi + 0x120]
push eax
lea eax, [esi + 0xf0]
push eax
push dword [ebp - 0x188]
lea eax, [ebp - 0x184]
push eax
call fcn.00492f00
add esp, 0x10
test al, al
jne 0x4bbec1
push edi
call fcn.005069ba
mov esi, eax
call fcn.005069ba
mov edi, eax
lea eax, [ebp - 0x104]
push 0x100
push eax
push dword [esi]
call fcn.00482210
push eax
push dword [edi]
push str.ssloc_inet_ntop___failed_with_errno__d:__s
push ebx
call fcn.00491db0
add esp, 0x1c
mov eax, 2
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004edc8a
mov esp, ebp
pop ebp
ret
mov ecx, dword [ebp - 4]
xor eax, eax
pop esi
xor ecx, ebp
pop ebx
call fcn.004edc8a
mov esp, ebp
pop ebp
ret

Function at 0x4bc120
Capabilities:
Set socket configuration

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x18
mov eax, dword [0x5796f4]
xor eax, ebp
mov dword [ebp - 4], eax
push esi
mov esi, dword [ebp + 8]
xor eax, eax
push edi
mov edi, dword [ebp + 0xc]
push 4
cmp byte [esi + 0x6ce], al
setne al
mov dword [ebp - 0x14], eax
lea eax, [ebp - 0x14]
push eax
push 8
push 0xffff
push edi
call dword [sym.imp.WS2_32.dll_setsockopt]
test eax, eax
jns 0x4bc16d
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push edi
push str.Failed_to_set_SO_KEEPALIVE_on_fd__d:_errno__d
jmp 0x4bc1d4
push dword [esi + 0x668]
mov dword [ebp - 0x10], 1
call fcn.00494100
push dword [esi + 0x66c]
imul eax, eax, 0x3e8
mov dword [ebp - 0x14], eax
mov dword [ebp - 0xc], eax
call fcn.00494100
add esp, 8
imul eax, eax, 0x3e8
push 0
push 0
mov dword [ebp - 0x14], eax
mov dword [ebp - 8], eax
lea eax, [ebp - 0x18]
push eax
push 0
push 0
push 0xc
lea eax, [ebp - 0x10]
push eax
push 0x98000004
push edi
call dword [sym.imp.WS2_32.dll_WSAIoctl]
test eax, eax
je 0x4bc1dd
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push edi
push str.Failed_to_set_SIO_KEEPALIVE_VALS_on_fd__d:_errno__d
push esi
call fcn.00491e70
add esp, 0x10
mov ecx, dword [ebp - 4]
pop edi
xor ecx, ebp
pop esi
call fcn.004edc8a
mov esp, ebp
pop ebp
ret
Function at 0x4bc1f0
Capabilities:
Set socket configuration

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x108
mov eax, dword [0x5796f4]
xor eax, ebp
mov dword [ebp - 4], eax
push esi
mov esi, dword [ebp + 8]
lea eax, [ebp - 0x108]
push 4
push eax
push 1
push 6
push dword [ebp + 0xc]
mov dword [ebp - 0x108], 1
call dword [sym.imp.WS2_32.dll_setsockopt]
test eax, eax
jns 0x4bc252
push 0x100
lea eax, [ebp - 0x104]
push eax
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
call fcn.00482210
push eax
push str.Could_not_set_TCP_NODELAY:__s
push esi
call fcn.00491e70
add esp, 0x18
mov ecx, dword [ebp - 4]
xor ecx, ebp
pop esi
call fcn.004edc8a
mov esp, ebp
pop ebp
ret
Function at 0x4c7670
Capabilities:
Hash data with md5
Initialize hashing via wincrypt

Disassembly:
push ebp
mov ebp, esp
push esi
mov esi, dword [ebp + 8]
push 0xf0000040
push 1
push 0
push 0
push esi
call dword [sym.imp.ADVAPI32.dll_CryptAcquireContextW]
test eax, eax
jne 0x4c7695
mov eax, 0x1b
pop esi
pop ebp
ret
lea eax, [esi + 4]
push eax
push 0
push 0
push 0x8003
push dword [esi]
call dword [sym.imp.ADVAPI32.dll_CryptCreateHash]
test eax, eax
jne 0x4c76c5
push eax
push dword [esi]
call dword [sym.imp.ADVAPI32.dll_CryptReleaseContext]
mov dword [esi], 0
mov eax, 2
pop esi
pop ebp
ret
xor eax, eax
pop esi
pop ebp
ret

Function at 0x4c7820
Capabilities:
Get hostname

Disassembly:
push ebp
mov ebp, esp
push esi
mov esi, dword [ebp + 0xc]
push edi
mov edi, dword [ebp + 8]
push esi
push edi
mov byte [edi], 0
call dword [sym.imp.WS2_32.dll_gethostname]
mov byte [edi + esi - 1], 0
test eax, eax
jne 0x4c7853
push 0x2e
push edi
call fcn.004d7620
add esp, 8
test eax, eax
je 0x4c7851
mov byte [eax], 0
xor eax, eax
pop edi
pop esi
pop ebp
ret

Function at 0x4c7e90
Capabilities:
Create new key via cryptacquirecontext
Encrypt data using des via winapi
Encrypt or decrypt via wincrypt

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x24
mov eax, dword [0x5796f4]
xor eax, ebp
mov dword [ebp - 4], eax
push esi
mov esi, dword [ebp + 0xc]
lea eax, [ebp - 0x1c]
push edi
mov edi, dword [ebp + 0x10]
push 0xf0000040
push 1
push 0
push 0
push eax
mov dword [ebp - 0x20], 8
call dword [sym.imp.ADVAPI32.dll_CryptAcquireContextW]
test eax, eax
je 0x4c7f27
lea eax, [ebp - 0xc]
mov dword [ebp - 8], 0
push eax
xorps xmm0, xmm0
movups xmmword [ebp - 0x18], xmm0
push edi
mov word [ebp - 0x18], 0x208
mov dword [ebp - 0x14], 0x6601
mov dword [ebp - 0x10], 8
call fcn.004c7f90
lea eax, [ebp - 0xc]
push 8
push eax
call fcn.004c8d00
add esp, 0x10
lea eax, [ebp - 0x24]
push eax
push 0
push 0
push 0x14
lea eax, [ebp - 0x18]
push eax
push dword [ebp - 0x1c]
call dword [sym.imp.ADVAPI32.dll_CryptImportKey]
test eax, eax
jne 0x4c7f39
push eax
push dword [ebp - 0x1c]
call dword [sym.imp.ADVAPI32.dll_CryptReleaseContext]
pop edi
xor al, al
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004edc8a
mov esp, ebp
pop ebp
ret
mov ecx, dword [ebp + 8]
push dword [ebp - 0x20]
mov eax, dword [ecx]
mov dword [esi], eax
mov eax, dword [ecx + 4]
mov dword [esi + 4], eax
lea eax, [ebp - 0x20]
push eax
push esi
push 0
push 0
push 0
push dword [ebp - 0x24]
call dword [sym.imp.ADVAPI32.dll_CryptEncrypt]
push dword [ebp - 0x24]
call dword [sym.imp.ADVAPI32.dll_CryptDestroyKey]
push 0
push dword [ebp - 0x1c]
call dword [sym.imp.ADVAPI32.dll_CryptReleaseContext]
mov ecx, dword [ebp - 4]
mov al, 1
pop edi
xor ecx, ebp
pop esi
call fcn.004edc8a
mov esp, ebp
pop ebp
ret
Function at 0x4c86c0
Capabilities:
Create new key via cryptacquirecontext
Initialize hashing via wincrypt

Disassembly:
push ebp
mov ebp, esp
push esi
mov esi, dword [ebp + 8]
push 0xf0000040
push 0x18
push 0
push 0
push esi
call dword [sym.imp.ADVAPI32.dll_CryptAcquireContextW]
test eax, eax
jne 0x4c86e5
mov eax, 0x1b
pop esi
pop ebp
ret
lea eax, [esi + 4]
push eax
push 0
push 0
push 0x800c
push dword [esi]
call dword [sym.imp.ADVAPI32.dll_CryptCreateHash]
test eax, eax
jne 0x4c8715
push eax
push dword [esi]
call dword [sym.imp.ADVAPI32.dll_CryptReleaseContext]
mov dword [esi], 0
mov eax, 2
pop esi
pop ebp
ret
xor eax, eax
pop esi
pop ebp
ret

Function at 0x4c8840
Capabilities:
Authenticate hmac
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
sub esp, 8
push esi
mov esi, dword [ebp + 8]
push edi
mov ecx, dword [esi + 0xc]
mov eax, dword [esi + 0x14]
lea eax, [eax + ecx*2]
add eax, 0xc
push eax
call dword [0x57933c]
mov edi, eax
add esp, 4
test edi, edi
jne 0x4c886d
pop edi
pop esi
mov esp, ebp
pop ebp
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 [ebp + 0x10]
mov dword [edi + 8], eax
cmp ebx, dword [esi + 0x10]
jbe 0x4c88b4
mov eax, dword [esi]
push ecx
call eax
mov eax, dword [esi + 4]
push ebx
push dword [ebp + 0xc]
push dword [edi + 4]
call eax
mov eax, dword [edi + 8]
add eax, dword [esi + 0xc]
push dword [edi + 4]
mov dword [ebp - 4], eax
push eax
mov eax, dword [esi + 8]
call eax
mov ebx, dword [esi + 0x14]
add esp, 0x18
mov dword [ebp + 0x10], ebx
jmp 0x4c88ba
mov eax, dword [ebp + 0xc]
mov dword [ebp - 4], eax
push dword [edi + 4]
mov eax, dword [esi]
call eax
push dword [edi + 8]
mov eax, dword [esi]
call eax
mov eax, dword [ebp + 0x10]
add esp, 8
xor ebx, ebx
test eax, eax
je 0x4c891b
mov ebx, dword [ebp - 4]
mov dword [ebp - 8], eax
nop word [eax + eax]
movzx eax, byte [ebx]
xor al, 0x36
mov byte [ebp + 0xb], al
lea eax, [ebp + 0xb]
push 1
push eax
push dword [edi + 4]
mov eax, dword [esi + 4]
call eax
movzx eax, byte [ebx]
lea ebx, [ebx + 1]
xor al, 0x5c
mov byte [ebp + 0xb], al
lea eax, [ebp + 0xb]
push 1
push eax
push dword [edi + 8]
mov eax, dword [esi + 4]
call eax
add esp, 0x18
sub dword [ebp + 0x10], 1
jne 0x4c88e0
mov ebx, dword [ebp - 8]
cmp ebx, dword [esi + 0x10]
jae 0x4c8947
mov eax, dword [esi + 4]
push 1
push 0x54dde8
push dword [edi + 4]
call eax
mov eax, dword [esi + 4]
push 1
push 0x54dde9
push dword [edi + 8]
call eax
inc ebx
add esp, 0x18
cmp ebx, dword [esi + 0x10]
jb 0x4c8920
pop ebx
mov eax, edi
pop edi
pop esi
mov esp, ebp
pop ebp
ret
Function at 0x4c8da0
Capabilities:
Hash data using md4
Initialize hashing via wincrypt

Disassembly:
push ebp
mov ebp, esp
push esi
mov esi, dword [ebp + 8]
push edi
push 0xf0000040
push 1
push 0
push 0
lea edi, [esi + 4]
mov dword [esi], 0
push esi
mov dword [edi], 0
call dword [sym.imp.ADVAPI32.dll_CryptAcquireContextW]
test eax, eax
je 0x4c8df2
push edi
push 0
push 0
push 0x8002
push dword [esi]
call dword [sym.imp.ADVAPI32.dll_CryptCreateHash]
test eax, eax
jne 0x4c8df8
push eax
push dword [esi]
call dword [sym.imp.ADVAPI32.dll_CryptReleaseContext]
mov dword [esi], 0
pop edi
xor eax, eax
pop esi
pop ebp
ret
pop edi
mov eax, 1
pop esi
pop ebp
ret

Function at 0x4f23e3
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 0x5245ca
Capabilities:
Read file on windows

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
pop ebp
jmp fcn.00524449

Function at 0x52b509
Capabilities:
Set environment variable

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
pop ebp
jmp fcn.0052b1c9