joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4c3530
Capabilities:
Send data
Send data on socket

Disassembly:
sub esp, 0x80c
mov eax, dword [0x401424]
xor eax, esp
mov dword [esp + 0x808], eax
push ebx
mov ebx, dword [esp + 0x814]
push ebp
push esi
mov dword [esp + 0xc], ebx
mov esi, dword [ebx + 0x124]
mov ebp, dword [ebx + 0x18]
mov dword [esp + 0x10], ebp
mov eax, dword [esi + 0x1ec8]
sub eax, dword [esi + 0x1ec4]
add eax, 2
push eax
lea eax, [esi + 0x1cc4]
push eax
push 0x3c
push ebx
call fcn.004c2d30
mov eax, dword [esi + 0x1ec4]
add esp, 0x10
mov cl, byte [eax]
inc eax
mov dword [esi + 0x1ec4], eax
cmp cl, 0x18
je 0x4c3708
cmp cl, 0x23
je 0x4c36e5
cmp cl, 0x27
jne 0x4c3790
push edi
push 0
push 0x27
push 0xfa
push 0xff
push 0x4094c8
lea eax, [esp + 0x2c]
push 0x800
push eax
call fcn.004999e0
mov esi, dword [esi + 0x1cb0]
add esp, 0x1c
mov edi, 4
test esi, esi
je 0x4c3665
mov edx, dword [esi]
mov ecx, edx
lea ebx, [ecx + 1]
nop dword [eax + eax]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4c35f0
sub ecx, ebx
lea eax, [ecx + 1]
add eax, edi
cmp eax, 0x7fa
jae 0x4c3656
push 0x2c
push edx
call sub.VCRUNTIME140.dll_strchr
mov ebx, 0x800
lea ebp, [esp + 0x20]
mov edx, eax
add esp, 8
sub ebx, edi
add ebp, edi
test edx, edx
jne 0x4c3637
push dword [esi]
push eax
push 0x4094d4
push ebx
push ebp
call fcn.004999e0
add esp, 0x14
jmp 0x4c3654
mov ecx, dword [esi]
lea eax, [edx + 1]
push eax
push 1
push ecx
sub edx, ecx
push edx
push 0
push 0x4094dc
push ebx
push ebp
call fcn.004999e0
add esp, 0x20
add edi, eax
mov esi, dword [esi + 4]
test esi, esi
jne 0x4c35e4
mov ebx, dword [esp + 0x10]
mov ebp, dword [esp + 0x14]
push 0xf0
push 0xff
mov eax, 0x800
sub eax, edi
push 0x4094e8
push eax
lea eax, [esp + 0x28]
add eax, edi
push eax
call fcn.004999e0
add esp, 0x14
lea eax, [edi + 2]
push 0
push eax
lea eax, [esp + 0x20]
push eax
push dword [ebp + 0x1a0]
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x4c36bb
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push 0x409378
push ebx
call fcn.004ab2d0
add esp, 0xc
push edi
lea eax, [esp + 0x1e]
push eax
push 0x3e
push ebx
call fcn.004c2d30
add esp, 0x10
pop edi
pop esi
pop ebp
pop ebx
mov ecx, dword [esp + 0x808]
xor ecx, esp
call fcn.004ed9d4
add esp, 0x80c
ret
lea edx, [esi + 0x1c28]
mov ecx, edx
lea esi, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4c36f0
push 0xf0
push 0xff
push edx
push 0
push 0x23
jmp 0x4c3729
lea edx, [esi + 0x1c08]
mov ecx, edx
lea esi, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4c3713
push 0xf0
push 0xff
push edx
push 0
push 0x18
push 0xfa
push 0xff
push 0x4094b8
sub ecx, esi
lea eax, [esp + 0x34]
push 0x800
push eax
lea esi, [ecx + 6]
call fcn.004999e0
add esp, 0x28
lea eax, [esp + 0x14]
push 0
push esi
push eax
push dword [ebp + 0x1a0]
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x4c377c
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push 0x409378
push ebx
call fcn.004ab2d0
add esp, 0xc
lea eax, [esi - 2]
push eax
lea eax, [esp + 0x1a]
push eax
push 0x3e
push ebx
call fcn.004c2d30
add esp, 0x10
mov ecx, dword [esp + 0x814]
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.004ed9d4
add esp, 0x80c
ret
Function at 0x4c4aa0
Capabilities:
Receive data
Receive data on socket

Disassembly:
sub esp, 0x8c
mov eax, dword [0x401424]
xor eax, esp
mov dword [esp + 0x88], eax
push ebx
mov ebx, dword [esp + 0x94]
push ebp
push esi
push edi
mov eax, dword [ebx + 0x18]
xor ebp, ebp
mov edi, dword [eax + 0x3f0]
lea eax, [esp + 0x10]
push eax
mov dword [esp + 0x14], 0x80
lea eax, [esp + 0x1c]
push eax
mov eax, dword [edi + 0x13c]
push ebp
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], ebp
jne 0x4c4b26
push dword [esp + 0x10]
lea eax, [esp + 0x1c]
push eax
lea eax, [edi + 0xb0]
push eax
call sub.VCRUNTIME140.dll_memcpy
mov eax, dword [esp + 0x1c]
add esp, 0xc
mov dword [edi + 0x130], eax
mov esi, dword [edi + 0x134]
cmp esi, 4
jge 0x4c4b61
push 0x4099c8
push ebx
call fcn.004ab2d0
add esp, 8
mov dword [edi + 0xc], 7
mov eax, ebp
mov ecx, dword [esp + 0x98]
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.004ed9d4
add esp, 0x8c
ret
mov edx, dword [edi + 0x148]
movzx eax, byte [edx]
movzx ecx, byte [edx + 1]
shl eax, 8
or ecx, eax
mov dword [edi + 0xc], ecx
dec ecx
cmp ecx, 5
ja case.0x4c4b80.1
jmp dword [ecx*4 + 0x4c4c88]
cmp esi, 4
jle case.0x4c4b80.4
movzx ecx, byte [edx + 2]
movzx eax, byte [edx + 3]
shl ecx, 8
or ecx, eax
movzx eax, word [edi + 0x144]
inc eax
movzx eax, ax
cmp eax, ecx
jne case.0x4c4b80.4
lea eax, [esi - 4]
push eax
lea eax, [edx + 4]
push eax
push 1
push ebx
call fcn.004ac670
mov ebp, eax
add esp, 0x10
test ebp, ebp
je case.0x4c4b80.4
push 5
push edi
call fcn.004c5630
add esp, 8
jmp 0x4c4b46
movzx ecx, byte [edx + 2]
lea eax, [edx + 4]
mov dword [esp + 0x14], eax
add esi, 0xfffffffc
movzx eax, byte [edx + 3]
shl ecx, 8
or ecx, eax
lea eax, [edx + 4]
push esi
push eax
mov dword [edi + 8], ecx
call fcn.004c56c0
add esp, 8
cmp eax, esi
jae case.0x4c4b80.4
cmp byte [ebx + 0x68a], 0
je case.0x4c4b80.4
mov eax, dword [ebx + 0xca8]
test eax, eax
je 0x4c4c21
cmp dword [eax + 4], 1
jl case.0x4c4b80.4
push dword [esp + 0x14]
push 0x4099e4
push ebx
call fcn.004ab3a0
jmp 0x4c4c5e
lea eax, [esi - 2]
push eax
lea eax, [edx + 2]
push eax
push edi
call fcn.004c47e0
mov ebp, eax
add esp, 0xc
test ebp, ebp
je case.0x4c4b80.4
jmp 0x4c4b46
push 0x4099f4
push 0x402a30
push ebx
call fcn.004ab2d0
add esp, 0xc
push ebx
call fcn.004bb710
add esp, 4
test eax, eax
je 0x4c4b46
push 5
push edi
call fcn.004c5630
add esp, 8
mov eax, 0x2a
jmp 0x4c4b48
Function at 0x4cc550
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
sub esp, 0x8c
mov eax, dword [0x401424]
xor eax, esp
mov dword [esp + 0x88], eax
push ebx
push esi
push edi
mov edi, dword [esp + 0x9c]
lea eax, [esp + 0x10]
push eax
lea eax, [esp + 0x18]
push eax
mov ebx, dword [edi + 0x18]
mov esi, dword [ebx + 0x1a4]
push esi
mov dword [esp + 0x18], 0xffffffff
mov dword [esp + 0x1c], 0x80
call dword [sym.imp.WS2_32.dll_getsockname]
test eax, eax
jne 0x4cc5bb
lea eax, [esp + 0x10]
mov dword [esp + 0x10], 0x80
push eax
lea eax, [esp + 0x18]
push eax
push esi
call dword [sym.imp.WS2_32.dll_accept]
mov dword [esp + 0xc], eax
jmp 0x4cc5bf
mov eax, dword [esp + 0xc]
cmp eax, 0xffffffff
jne 0x4cc5ef
push 0x40a99c
push edi
call fcn.004ab2d0
add esp, 8
mov eax, 0x1e
pop edi
pop esi
pop ebx
mov ecx, dword [esp + 0x88]
xor ecx, esp
call fcn.004ed9d4
add esp, 0x8c
ret
cmp byte [edi + 0x68a], 0
je 0x4cc616
mov eax, dword [edi + 0xca8]
test eax, eax
je 0x4cc608
cmp dword [eax + 4], 1
jl 0x4cc616
push 0x40a9c0
push edi
call fcn.004ab3a0
add esp, 8
mov byte [ebx + 0x24d], 0
push 1
push dword [esp + 0x10]
call fcn.004e5890
lea eax, [esp + 0x14]
push eax
push 1
push ebx
push edi
call fcn.004d9c90
mov esi, eax
add esp, 0x18
test esi, esi
je 0x4cc663
push dword [esp + 0xc]
call dword [sym.imp.WS2_32.dll_closesocket]
pop edi
mov eax, esi
pop esi
pop ebx
mov ecx, dword [esp + 0x88]
xor ecx, esp
call fcn.004ed9d4
add esp, 0x8c
ret
cmp dword [edi + 0x19c], 0
je 0x4cc6c0
push 1
push edi
call fcn.0049b890
mov eax, dword [edi + 0x19c]
push 1
push dword [esp + 0x18]
push dword [edi + 0x1a0]
call eax
push 0
push edi
mov esi, eax
call fcn.0049b890
add esp, 0x1c
test esi, esi
je 0x4cc6c0
push ebx
push edi
call fcn.004cce30
add esp, 8
mov eax, 0x2a
pop edi
pop esi
pop ebx
mov ecx, dword [esp + 0x88]
xor ecx, esp
call fcn.004ed9d4
add esp, 0x8c
ret
mov ecx, dword [esp + 0x94]
xor eax, eax
pop edi
pop esi
pop ebx
xor ecx, esp
call fcn.004ed9d4
add esp, 0x8c
ret
Function at 0x4ced30
Capabilities:
Check http status code

Disassembly:
mov ecx, dword [esp + 8]
push ebx
push esi
mov esi, dword [esp + 0xc]
push edi
lea eax, [ecx - 0xc8]
xor edi, edi
mov ebx, dword [esi + 0x18]
cmp eax, 0x64
jb 0x4ced60
push 0x40b0c8
push esi
call fcn.004ab2d0
add esp, 8
lea eax, [edi + 0x11]
pop edi
pop esi
pop ebx
ret
cmp ecx, 0xc8
je 0x4ced90
cmp byte [esi + 0x68a], 0
je 0x4ced90
mov eax, dword [esi + 0xca8]
test eax, eax
je 0x4ced81
cmp dword [eax + 4], 1
jl 0x4ced90
push ecx
push 0x40b0e4
push esi
call fcn.004ab3a0
add esp, 0xc
mov al, byte [esp + 0x18]
push ebp
cmp al, 0x13
jne 0x4cedaa
push ebx
push esi
call fcn.004cea40
add esp, 8
mov edi, eax
pop ebp
pop edi
pop esi
pop ebx
ret
cmp al, 0x14
jne 0x4ceeb7
mov edi, dword [esi + 0x18]
xor ebx, ebx
cmp byte [esi + 0x4b8], 2
mov dword [esp + 0x18], edi
jne 0x4cee27
mov eax, dword [esi + 0x124]
mov eax, dword [eax]
test eax, eax
je 0x4cee27
push 3
push ebx
lea ecx, [esp + 0x1c]
mov dword [esp + 0x1c], ebx
push ecx
push ebx
push eax
call fcn.004b13f0
mov edi, eax
add esp, 0x14
test edi, edi
jne 0x4ceee2
push 0x2f
push dword [esp + 0x18]
call sub.VCRUNTIME140.dll_strrchr
add esp, 8
test eax, eax
je 0x4cee16
mov ebx, dword [esp + 0x14]
mov ecx, 1
sub eax, ebx
cmovne ecx, eax
mov byte [ecx + ebx], 0
jmp 0x4cee23
push dword [esp + 0x14]
call dword [fcn.00401038]
add esp, 4
mov edi, dword [esp + 0x18]
mov ecx, dword [esi + 0x544]
test ecx, ecx
jne 0x4cee45
cmp byte [esi + 0xcf5], 0
mov ecx, 0x40ade4
mov eax, 0x409e48
cmove ecx, eax
mov edx, 0x403744
test ebx, ebx
mov eax, edx
cmovne eax, ebx
push eax
mov eax, 0x40442c
cmove eax, edx
push eax
push ecx
push 0x404c90
call fcn.00499940
push ebx
mov ebp, eax
call dword [fcn.00401038]
add esp, 0x14
test ebp, ebp
jne 0x4cee82
mov edi, 0x1b
pop ebp
mov eax, edi
pop edi
pop esi
pop ebx
ret
push ebp
push 0x402a30
lea eax, [edi + 0x3f0]
push eax
push esi
call fcn.004e9c40
push ebp
mov edi, eax
call dword [fcn.00401038]
add esp, 0x14
test edi, edi
jne 0x4ceee2
push 0x1f
push esi
call fcn.004ccd80
add esp, 8
mov eax, edi
pop ebp
pop edi
pop esi
pop ebx
ret
cmp al, 0x15
jne 0x4ceecf
push 0xd
push 1
push esi
call fcn.004ce4f0
add esp, 0xc
mov edi, eax
pop ebp
pop edi
pop esi
pop ebx
ret
cmp al, 0x16
jne 0x4ceee2
push 0xe
push 1
push esi
call fcn.004ce4f0
add esp, 0xc
mov edi, eax
pop ebp
mov eax, edi
pop edi
pop esi
pop ebx
ret
Function at 0x4d6460
Capabilities:
Convert ip address from string

Disassembly:
sub esp, 0x4c
mov eax, dword [0x401424]
xor eax, esp
mov dword [esp + 0x48], eax
mov eax, dword [esp + 0x50]
push ebx
push ebp
mov ebp, dword [esp + 0x5c]
push esi
push edi
mov edi, dword [esp + 0x68]
mov dword [esp + 0x10], eax
cmp edi, 4
jb 0x4d65dc
inc ebp
sub edi, 2
push 0x40596c
push ebp
call dword [sym.imp.api_ms_win_crt_string_l1_1_0.dll_strspn]
add esp, 8
cmp edi, eax
je 0x4d655f
mov edi, eax
add eax, ebp
mov dword [esp + 0x14], eax
cmp byte [eax], 0x25
jne 0x4d65dc
push 2
lea esi, [eax + 1]
xor ebx, ebx
push 0x40c1ac
push esi
call dword [sym.imp.api_ms_win_crt_string_l1_1_0.dll_strncmp]
add esp, 0xc
test eax, eax
jne 0x4d64e1
mov cl, byte [esi + 2]
lea eax, [esi + 2]
test cl, cl
je 0x4d64e1
cmp cl, 0x5d
cmovne esi, eax
mov al, byte [esi]
test al, al
je 0x4d65dc
lea ecx, [esp + 0x18]
sub ecx, esi
cmp al, 0x5d
je 0x4d6506
cmp ebx, 0xf
jge 0x4d6506
mov byte [ecx + esi], al
inc ebx
mov al, byte [esi + 1]
inc esi
test al, al
jne 0x4d64f1
test ebx, ebx
je 0x4d65dc
cmp byte [esi], 0x5d
jne 0x4d65dc
cmp ebx, 0x10
jae 0x4d65f4
lea eax, [esp + 0x18]
mov byte [esp + ebx + 0x18], 0
push eax
call dword [fcn.00401040]
mov ecx, dword [esp + 0x14]
add esp, 4
mov dword [ecx + 0x14], eax
test eax, eax
jne 0x4d6556
pop edi
pop esi
pop ebp
mov eax, 7
pop ebx
mov ecx, dword [esp + 0x48]
xor ecx, esp
call fcn.004ed9d4
add esp, 0x4c
ret
mov eax, dword [esp + 0x14]
mov word [eax], 0x5d
lea eax, [esp + 0x18]
mov byte [edi + ebp], 0
push eax
push ebp
push 0x17
call dword [sym.imp.WS2_32.dll_inet_pton]
cmp eax, 1
jne 0x4d65dc
push 0x2e
lea eax, [esp + 0x2c]
push eax
lea eax, [esp + 0x20]
push eax
push 0x17
call sub.WS2_32.dll_inet_ntop
test eax, eax
je 0x4d65c3
lea edx, [esp + 0x28]
lea ecx, [edx + 1]
mov al, byte [edx]
inc edx
test al, al
jne 0x4d6594
sub edx, ecx
cmp edx, edi
jae 0x4d65c3
lea ecx, [esp + 0x28]
mov esi, ebp
mov eax, ecx
sub esi, eax
nop dword [eax + eax]
mov al, byte [ecx]
lea ecx, [ecx + 1]
mov byte [esi + ecx - 1], al
test al, al
jne 0x4d65b0
mov byte [edx + ebp + 1], al
mov edi, edx
mov byte [edi + ebp], 0x5d
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
mov ecx, dword [esp + 0x48]
xor ecx, esp
call fcn.004ed9d4
add esp, 0x4c
ret
mov ecx, dword [esp + 0x58]
mov eax, 0x16
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.004ed9d4
add esp, 0x4c
ret
call fcn.004ee0f4
int3
Function at 0x4da030
Capabilities:
Set socket configuration

Disassembly:
sub esp, 0xc
mov eax, dword [0x4eed00]
mov dword [esp + 4], 0x4020
mov dword [esp], 0
mov dword [esp + 8], 4
test eax, eax
jne 0x4da081
push 3
push 2
push eax
push eax
push 6
call fcn.004e19e0
add esp, 0x14
test al, al
je 0x4da075
mov dword [0x4eed00], 2
add esp, 0xc
ret
mov dword [0x4eed00], 1
jmp 0x4da086
cmp eax, 2
je 0x4da0cc
lea eax, [esp + 8]
push eax
lea eax, [esp + 4]
push eax
push 0x1001
push 0xffff
push dword [esp + 0x20]
call dword [sym.imp.WS2_32.dll_getsockopt]
test eax, eax
jne 0x4da0b1
mov eax, dword [esp]
cmp eax, dword [esp + 4]
jg 0x4da0cc
push 4
lea eax, [esp + 8]
push eax
push 0x1001
push 0xffff
push dword [esp + 0x20]
call dword [sym.imp.WS2_32.dll_setsockopt]
add esp, 0xc
ret
Function at 0x4dac90
Capabilities:
Receive data
Receive data on socket

Disassembly:
sub esp, 0x104
mov eax, dword [0x401424]
xor eax, esp
mov dword [esp + 0x100], eax
mov ecx, dword [esp + 0x10c]
push ebx
mov ebx, dword [esp + 0x118]
push ebp
push esi
push edi
mov edi, dword [esp + 0x118]
push 0
push dword [esp + 0x124]
mov eax, dword [edi]
push ecx
mov ebp, dword [eax + 8]
mov dword [ebx], 0
push dword [ebp + 0x98]
call dword [sym.imp.WS2_32.dll_recv]
mov esi, eax
cmp esi, 0xffffffff
jne 0x4dad30
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov esi, eax
cmp esi, 0x2733
jne 0x4dacfd
mov dword [ebx], 0x51
jmp 0x4dad2d
push 0x100
lea eax, [esp + 0x14]
push eax
push esi
call fcn.00493ac0
push eax
push 0x40c61c
push dword [edi + 4]
call fcn.004ab2d0
mov eax, dword [edi + 4]
add esp, 0x18
mov dword [eax + 0x8a8], esi
mov dword [ebx], 0x38
or esi, 0xffffffff
mov ecx, dword [edi + 4]
test ecx, ecx
je 0x4dad7d
cmp byte [ecx + 0x68a], 0
je 0x4dad7d
mov eax, dword [ecx + 0xca8]
test eax, eax
je 0x4dad50
cmp dword [eax + 4], 1
jl 0x4dad7d
mov edx, dword [edi]
test edx, edx
je 0x4dad7d
mov eax, dword [edx]
cmp dword [eax + 8], 1
jl 0x4dad7d
push dword [ebx]
push esi
push dword [ebp + 0x98]
push dword [esp + 0x12c]
push 0x40c630
push edx
push ecx
call fcn.004ab3e0
add esp, 0x1c
mov ecx, dword [esp + 0x110]
mov eax, esi
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.004ed9d4
add esp, 0x104
ret

Function at 0x4dada0
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
sub esp, 0x188
mov eax, dword [0x401424]
xor eax, esp
mov dword [esp + 0x184], eax
mov eax, dword [esp + 0x18c]
push ebx
mov ebx, dword [esp + 0x194]
push esi
mov esi, dword [eax + 8]
push edi
mov edi, dword [esi + 0x98]
cmp edi, 0xffffffff
je 0x4daed8
mov eax, dword [ebx + 0x18]
mov eax, dword [eax + 0x260]
test dword [eax + 0x48], 0x800
jne 0x4daed8
push 0x80
lea eax, [esp + 0x14]
mov dword [esp + 0x10], 0x80
push 0
push eax
call sub.VCRUNTIME140.dll_memset
add esp, 0xc
lea eax, [esp + 0xc]
push eax
lea eax, [esp + 0x14]
push eax
push edi
call dword [sym.imp.WS2_32.dll_getsockname]
test eax, eax
je 0x4dae66
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov esi, eax
lea eax, [esp + 0x90]
push 0x100
push eax
push esi
call fcn.00493ac0
push eax
push esi
push 0x40c670
push ebx
call fcn.004ab2d0
add esp, 0x1c
mov eax, 2
pop edi
pop esi
pop ebx
mov ecx, dword [esp + 0x184]
xor ecx, esp
call fcn.004ed9d4
add esp, 0x188
ret
lea eax, [esi + 0x11c]
push eax
lea eax, [esi + 0xea]
push eax
push dword [esp + 0x14]
lea eax, [esp + 0x1c]
push eax
call fcn.004ad8b0
add esp, 0x10
test al, al
jne 0x4daed8
mov esi, dword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__errno]
call esi
mov edi, dword [eax]
call esi
mov esi, eax
lea eax, [esp + 0x90]
push 0x100
push eax
push edi
call fcn.00493ac0
push eax
push dword [esi]
push 0x40c698
push ebx
call fcn.004ab2d0
add esp, 0x1c
mov eax, 2
pop edi
pop esi
pop ebx
mov ecx, dword [esp + 0x184]
xor ecx, esp
call fcn.004ed9d4
add esp, 0x188
ret
mov ecx, dword [esp + 0x190]
xor eax, eax
pop edi
pop esi
pop ebx
xor ecx, esp
call fcn.004ed9d4
add esp, 0x188
ret
Function at 0x4e6170
Capabilities:
Get file size
Read file on windows

Disassembly:
sub esp, 0x120
mov eax, dword [0x401424]
xor eax, esp
mov dword [esp + 0x11c], eax
mov eax, dword [esp + 0x124]
push ebx
push ebp
mov ebp, dword [esp + 0x134]
xor ebx, ebx
push esi
push edi
mov edi, dword [esp + 0x138]
xor esi, esi
push edi
mov dword [esp + 0x20], eax
mov dword [esp + 0x18], edi
call dword [sym.imp.api_ms_win_crt_string_l1_1_0.dll__strdup]
add esp, 4
mov dword [esp + 0x20], eax
test eax, eax
jne 0x4e61f0
push 0x100
lea eax, [esp + 0x30]
push eax
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00493bb0
push eax
push edi
push 0x40e780
push ebp
call fcn.004ab2d0
push esi
call dword [fcn.00401038]
add esp, 0x20
lea eax, [ebx + 0x4d]
jmp 0x4e6350
push 0
push 0x80
push 3
push 0
push 1
push closesocket
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileA]
mov dword [esp + 0x18], eax
cmp eax, 0xffffffff
jne 0x4e624a
push 0x100
lea eax, [esp + 0x30]
push eax
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00493bb0
push eax
push edi
push 0x40e7b4
push ebp
call fcn.004ab2d0
push 0
mov esi, 0x4d
call dword [fcn.00401038]
add esp, 0x20
jmp 0x4e6341
lea ecx, [esp + 0x24]
push ecx
push eax
call dword [sym.imp.KERNEL32.dll_GetFileSizeEx]
test eax, eax
jne 0x4e628a
push 0x100
lea eax, [esp + 0x30]
push eax
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00493bb0
push eax
push edi
push 0x40e7e0
push ebp
call fcn.004ab2d0
add esp, 0x1c
mov esi, 0x4d
jmp 0x4e632d
mov edi, dword [esp + 0x24]
cmp dword [esp + 0x28], ebx
jl 0x4e62b8
jg 0x4e629e
cmp edi, 0x100000
jbe 0x4e62b8
push 0x100000
push 0x40e818
push ebp
call fcn.004ab2d0
add esp, 0xc
mov esi, 0x4d
jmp 0x4e632d
lea eax, [edi + 1]
push eax
call dword [fcn.00401034]
mov ebx, eax
add esp, 4
test ebx, ebx
jne 0x4e62d0
lea esi, [eax + 0x1b]
jmp 0x4e632d
test edi, edi
je 0x4e6314
nop dword [eax]
nop dword [eax + eax]
push 0
lea eax, [esp + 0x14]
mov dword [esp + 0x14], 0
push eax
mov eax, edi
sub eax, esi
push eax
lea eax, [esi + ebx]
push eax
push dword [esp + 0x28]
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
je 0x4e636d
mov eax, dword [esp + 0x10]
test eax, eax
je 0x4e6369
add esi, eax
cmp esi, edi
jb 0x4e62e0
push ebp
push dword [esp + 0x18]
mov byte [edi + ebx], 0
push edi
push ebx
push dword [esp + 0x2c]
call fcn.004e5f30
add esp, 0x14
mov esi, eax
push dword [esp + 0x18]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
push ebx
call dword [fcn.00401038]
add esp, 4
push dword [esp + 0x20]
call dword [sym.imp.api_ms_win_crt_heap_l1_1_0.dll_free]
add esp, 4
mov eax, esi
mov ecx, dword [esp + 0x12c]
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.004ed9d4
add esp, 0x120
ret
mov edi, esi
jmp 0x4e6314
push 0x100
lea eax, [esp + 0x30]
push eax
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00493bb0
push eax
push dword [esp + 0x24]
push 0x40e848
push ebp
call fcn.004ab2d0
add esp, 0x1c
mov esi, 0x4d
jmp 0x4e632d
Function at 0x4ec750
Capabilities:
Authenticate hmac
Encode data using xor

Disassembly:
sub esp, 0xc
push ebp
mov ebp, dword [esp + 0x14]
push esi
mov ecx, dword [ebp + 0xc]
mov eax, dword [ebp + 0x14]
lea eax, [eax + ecx*2]
add eax, 0xc
push eax
call dword [fcn.00401034]
mov esi, eax
add esp, 4
test esi, esi
jne 0x4ec77b
pop esi
pop ebp
add esp, 0xc
ret
lea ecx, [esi + 0xc]
mov dword [esi], ebp
mov dword [esi + 4], ecx
mov eax, dword [ebp + 0xc]
add eax, ecx
push ebx
mov ebx, dword [esp + 0x24]
mov dword [esi + 8], eax
push edi
lea edi, [ebp + 4]
cmp ebx, dword [ebp + 0x10]
jbe 0x4ec7ca
mov eax, dword [ebp]
push ecx
call eax
mov eax, dword [edi]
push ebx
push dword [esp + 0x2c]
push dword [esi + 4]
call eax
mov eax, dword [esi + 8]
add eax, dword [ebp + 0xc]
push dword [esi + 4]
mov dword [esp + 0x28], eax
push eax
mov eax, dword [ebp + 8]
call eax
mov ebx, dword [ebp + 0x14]
add esp, 0x18
mov dword [esp + 0x28], ebx
jmp 0x4ec7d2
mov eax, dword [esp + 0x24]
mov dword [esp + 0x14], eax
push dword [esi + 4]
mov eax, dword [ebp]
call eax
push dword [esi + 8]
mov eax, dword [ebp]
call eax
mov eax, dword [esp + 0x30]
add esp, 8
xor ebx, ebx
test eax, eax
je 0x4ec843
mov ebp, dword [esp + 0x14]
mov ebx, eax
mov dword [esp + 0x18], eax
nop dword [eax]
movzx eax, byte [ebp]
xor al, 0x36
mov byte [esp + 0x13], al
lea eax, [esp + 0x13]
push 1
push eax
push dword [esi + 4]
mov eax, dword [edi]
call eax
movzx eax, byte [ebp]
lea ebp, [ebp + 1]
xor al, 0x5c
mov byte [esp + 0x1f], al
lea eax, [esp + 0x1f]
push 1
push eax
push dword [esi + 8]
mov eax, dword [edi]
call eax
add esp, 0x18
sub ebx, 1
jne 0x4ec800
mov ebx, dword [esp + 0x18]
mov ebp, dword [esp + 0x20]
cmp ebx, dword [ebp + 0x10]
jae 0x4ec875
nop dword [eax + eax]
mov eax, dword [edi]
push 1
push 0x40fd4d
push dword [esi + 4]
call eax
mov eax, dword [edi]
push 1
push 0x40fd4e
push dword [esi + 8]
call eax
inc ebx
add esp, 0x18
cmp ebx, dword [ebp + 0x10]
jb 0x4ec850
pop edi
pop ebx
mov eax, esi
pop esi
pop ebp
add esp, 0xc
ret
Function at 0x4ec880
Capabilities:
Authenticate hmac
Encode data using xor

Disassembly:
sub esp, 0xc
push ebx
push ebp
mov ebp, dword [esp + 0x18]
push esi
push dword [esp + 0x24]
call fcn.004aeb40
mov edx, dword [ebp + 0xc]
mov ebx, eax
mov ecx, dword [ebp + 0x14]
mov dword [esp + 0x14], ebx
lea ecx, [ecx + edx*2]
add ecx, 0xc
push ecx
call dword [fcn.00401034]
mov esi, eax
add esp, 8
test esi, esi
je 0x4eca02
lea ecx, [esi + 0xc]
mov dword [esi], ebp
mov dword [esi + 4], ecx
mov eax, dword [ebp + 0xc]
add eax, ecx
mov dword [esi + 8], eax
push edi
lea edi, [ebp + 4]
cmp ebx, dword [ebp + 0x10]
jbe 0x4ec902
mov eax, dword [ebp]
push ecx
call eax
mov eax, dword [esp + 0x28]
push ebx
push eax
push dword [esi + 4]
mov eax, dword [edi]
call eax
mov eax, dword [esi + 8]
add eax, dword [ebp + 0xc]
push dword [esi + 4]
mov dword [esp + 0x38], eax
push eax
mov eax, dword [ebp + 8]
call eax
mov eax, dword [ebp + 0x14]
add esp, 0x18
mov dword [esp + 0x14], eax
push dword [esi + 4]
mov eax, dword [ebp]
call eax
push dword [esi + 8]
mov eax, dword [ebp]
call eax
mov eax, dword [esp + 0x1c]
add esp, 8
xor ebx, ebx
test eax, eax
je 0x4ec973
mov ebp, dword [esp + 0x24]
mov ebx, eax
mov dword [esp + 0x18], eax
nop dword [eax]
movzx eax, byte [ebp]
xor al, 0x36
mov byte [esp + 0x13], al
lea eax, [esp + 0x13]
push 1
push eax
push dword [esi + 4]
mov eax, dword [edi]
call eax
movzx eax, byte [ebp]
lea ebp, [ebp + 1]
xor al, 0x5c
mov byte [esp + 0x1f], al
lea eax, [esp + 0x1f]
push 1
push eax
push dword [esi + 8]
mov eax, dword [edi]
call eax
add esp, 0x18
sub ebx, 1
jne 0x4ec930
mov ebx, dword [esp + 0x18]
mov ebp, dword [esp + 0x20]
cmp ebx, dword [ebp + 0x10]
jae 0x4ec9a5
nop dword [eax + eax]
mov eax, dword [edi]
push 1
push 0x40fd4d
push dword [esi + 4]
call eax
mov eax, dword [edi]
push 1
push 0x40fd4e
push dword [esi + 8]
call eax
inc ebx
add esp, 0x18
cmp ebx, dword [ebp + 0x10]
jb 0x4ec980
push dword [esp + 0x30]
call fcn.004aeb40
mov ecx, dword [esi]
push eax
push dword [esp + 0x34]
push dword [esi + 4]
mov eax, dword [ecx + 4]
call eax
mov edi, dword [esp + 0x44]
add esp, 0x10
mov ebx, dword [esi]
test edi, edi
jne 0x4ec9d0
mov edi, dword [ebx + 0xc]
add edi, dword [esi + 8]
push dword [esi + 4]
mov eax, dword [ebx + 8]
push edi
call eax
push dword [ebx + 0x14]
mov eax, dword [ebx + 4]
push edi
push dword [esi + 8]
call eax
push dword [esi + 8]
mov eax, dword [ebx + 8]
push edi
call eax
push esi
call dword [fcn.00401038]
add esp, 0x20
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
add esp, 0xc
ret
pop esi
pop ebp
mov eax, 0x1b
pop ebx
add esp, 0xc
ret