joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4634f0
Capabilities:
Encrypt data using rc4 ksa

Disassembly:
sub esp, 0x14
push ebx
push ebp
mov ebp, dword [esp + 0x20]
push esi
cmp dword [ebp + 0x4c], 1
mov ebx, dword [ebp + 0x1b8]
mov dword [esp + 0x1c], ebx
jne 0x463515
mov esi, 0x1fe
mov byte [ebx + 0x1c], 1
jmp 0x46351b
xor esi, esi
mov byte [ebx + 0x1c], 0
push dword [ebp + 0x64]
mov ecx, dword [ebp + 4]
lea eax, [esi + 0x100]
push eax
push 1
push ebp
mov eax, dword [ecx + 8]
mov dword [esp + 0x20], esi
call eax
xor ecx, ecx
mov dword [ebx + 0x18], eax
mov eax, dword [ebx + 0x14]
add esp, 0x10
mov dword [esp + 0x14], ecx
cmp dword [ebp + 0x64], ecx
jle 0x463630
push edi
lea ecx, [ecx]
mov edi, dword [ebx + ecx*4 + 0x20]
cdq
idiv edi
mov dword [esp + 0x10], edi
mov dword [esp + 0x1c], eax
test esi, esi
je 0x46356d
mov eax, dword [ebx + 0x18]
add dword [eax + ecx*4], 0xff
mov eax, dword [ebx + 0x18]
xor ebx, ebx
mov ebp, dword [eax + ecx*4]
lea eax, [edi + 0xfe]
lea ecx, [edi*2 - 2]
cdq
idiv ecx
xor esi, esi
mov edx, eax
lea esp, [esp]
cmp esi, edx
jle 0x4635c6
mov ecx, dword [esp + 0x10]
lea edi, [edi*2 - 2]
imul eax, ebx, 0x1fe
add ecx, 0xfe
add ecx, eax
lea ecx, [ecx]
add ecx, 0x1fe
inc ebx
mov eax, ecx
cdq
idiv edi
mov edx, eax
cmp esi, edx
jg 0x4635b0
mov edi, dword [esp + 0x10]
mov al, byte [esp + 0x1c]
imul bl
mov byte [esi + ebp], al
inc esi
cmp esi, 0xff
jle 0x463590
mov esi, dword [esp + 0x14]
test esi, esi
je 0x463611
mov ecx, 1
lea edx, [ebp - 1]
jmp 0x4635f0
movzx eax, byte [ebp]
lea edx, [edx - 1]
mov byte [edx + 1], al
movzx eax, byte [ebp + 0xff]
mov byte [ecx + ebp + 0xff], al
inc ecx
cmp ecx, 0xff
jle 0x4635f0
mov eax, dword [esp + 0x28]
mov ecx, dword [esp + 0x18]
mov ebx, dword [esp + 0x20]
inc ecx
mov dword [esp + 0x18], ecx
cmp ecx, dword [eax + 0x64]
mov eax, dword [esp + 0x1c]
jl 0x463550
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x14
ret

Function at 0x477b80
Capabilities:
Initialize winsock library

Disassembly:
sub esp, 0x190
lea eax, [esp]
push eax
push 0x202
call dword [sym.imp.WSOCK32.DLL_WSAStartup]
test eax, eax
jne 0x477bb9
mov eax, dword [esp]
cmp al, 2
jne 0x477bb3
shr eax, 8
cmp al, 2
jne 0x477bb3
call fcn.00485650
add esp, 0x190
ret
call dword [sym.imp.WSOCK32.DLL_WSACleanup]
mov eax, 2
add esp, 0x190
ret
Function at 0x480bc0
Capabilities:
Write file on windows

Disassembly:
push ebx
mov ebx, dword [esp + 8]
lea eax, [esp + 0x10]
push ebp
push eax
push dword [esp + 0x14]
lea ebp, [ebx + 0x4c4]
push 0x4000
push ebp
call fcn.004904a0
mov eax, dword [ebx + 0xfc]
add esp, 0x10
test eax, eax
je 0x480c11
cmp byte [ebx + 0x84ec], 0
jne 0x480c11
push ebp
push 0x4aafc0
push 0x100
push eax
call fcn.004903b0
add esp, 0x10
mov byte [ebx + 0x84ec], 1
cmp byte [ebx + 0x284], 0
je 0x480c88
push edi
mov edi, ebp
lea ecx, [edi + 1]
mov al, byte [edi]
inc edi
test al, al
jne 0x480c20
sub edi, ecx
cmp edi, 0x3fff
jae 0x480c41
mov byte [edi + ebx + 0x4c4], 0xa
inc edi
mov byte [edi + ebx + 0x4c4], al
mov eax, dword [ebx + 0x164]
test eax, eax
je 0x480c5f
push dword [ebx + 0xf8]
push edi
push ebp
push 0
push ebx
call eax
add esp, 0x14
pop edi
pop ebp
pop ebx
ret
push dword [ebx + 0xf4]
push 1
push 2
push 0x4aafa8
call dword [sym.imp.MSVCRT.dll_fwrite]
push dword [ebx + 0xf4]
push 1
push edi
push ebp
call dword [sym.imp.MSVCRT.dll_fwrite]
add esp, 0x20
pop edi
pop ebp
pop ebx
ret

Function at 0x480c90
Capabilities:
Write file on windows

Disassembly:
sub esp, 0x804
push ebx
mov ebx, dword [esp + 0x80c]
test ebx, ebx
je 0x480d3d
cmp byte [ebx + 0x284], 0
je 0x480d3d
push edi
lea eax, [esp + 0x818]
push eax
push dword [esp + 0x818]
lea eax, [esp + 0x10]
push 0x801
push eax
call fcn.004904a0
lea edi, [esp + 0x18]
add esp, 0x10
lea ecx, [edi + 1]
lea esp, [esp]
mov al, byte [edi]
inc edi
test al, al
jne 0x480ce0
mov eax, dword [ebx + 0x164]
sub edi, ecx
test eax, eax
je 0x480d10
push dword [ebx + 0xf8]
lea ecx, [esp + 0xc]
push edi
push ecx
push 0
push ebx
call eax
add esp, 0x14
pop edi
pop ebx
add esp, 0x804
ret
push dword [ebx + 0xf4]
push 1
push 2
push 0x4aafa8
call dword [sym.imp.MSVCRT.dll_fwrite]
push dword [ebx + 0xf4]
lea eax, [esp + 0x1c]
push 1
push edi
push eax
call dword [sym.imp.MSVCRT.dll_fwrite]
add esp, 0x20
pop edi
pop ebx
add esp, 0x804
ret

Function at 0x480e70
Capabilities:
Receive data
Receive data on socket

Disassembly:
push 0
push dword [esp + 0x10]
push dword [esp + 0x10]
push dword [esp + 0x10]
call dword [sym.imp.WSOCK32.DLL_recv]
mov ecx, eax
cmp ecx, 0xffffffff
jne 0x480ea1
call dword [sym.imp.WSOCK32.DLL_WSAGetLastError]
sub eax, 0x2733
neg eax
sbb eax, eax
and eax, 0xffffffe7
add eax, 0x51
ret
mov eax, dword [esp + 0x10]
mov dword [eax], ecx
xor eax, eax
ret

Function at 0x480f30
Capabilities:
Send data
Send data on socket

Disassembly:
mov eax, dword [esp + 8]
push ebx
push ebp
mov ebp, dword [esp + 0xc]
push edi
push 0
push dword [esp + 0x20]
push dword [esp + 0x20]
push dword [ebp + eax*4 + 0x144]
call dword [sym.imp.WSOCK32.DLL_send]
mov ebx, dword [esp + 0x20]
mov edi, eax
mov dword [ebx], 0
cmp edi, 0xffffffff
jne 0x480fab
push esi
call dword [sym.imp.WSOCK32.DLL_WSAGetLastError]
mov esi, eax
cmp esi, 0x2733
jne 0x480f81
pop esi
pop edi
pop ebp
mov dword [ebx], 0x51
xor eax, eax
pop ebx
ret
push esi
push ebp
call fcn.00495520
push eax
push str.Send_failure:__s
push dword [ebp]
call fcn.00480bc0
mov eax, dword [ebp]
add esp, 0x14
mov dword [eax + 0x84f0], esi
mov eax, edi
mov dword [ebx], 0x37
pop esi
pop edi
pop ebp
pop ebx
ret
Function at 0x4810b0
Capabilities:
Write file on windows

Disassembly:
push edi
mov edi, dword [esp + 8]
mov eax, dword [edi + 0x164]
test eax, eax
je 0x4810d9
push dword [edi + 0xf8]
push dword [esp + 0x18]
push dword [esp + 0x18]
push dword [esp + 0x18]
push edi
call eax
add esp, 0x14
pop edi
ret
mov eax, dword [esp + 0xc]
cmp eax, 2
ja 0x481114
push dword [edi + 0xf4]
lea eax, [eax + eax*2]
push 1
add eax, 0x4aafa8
push 2
push eax
call dword [sym.imp.MSVCRT.dll_fwrite]
push dword [edi + 0xf4]
push 1
push dword [esp + 0x2c]
push dword [esp + 0x2c]
call dword [sym.imp.MSVCRT.dll_fwrite]
add esp, 0x20
xor eax, eax
pop edi
ret
Function at 0x483cf0
Capabilities:
Set socket configuration

Disassembly:
sub esp, 0xa8
mov eax, dword [0x4ff608]
mov dword [esp], 0x4020
mov dword [esp + 4], 0
mov dword [esp + 8], 4
test eax, eax
jne 0x483d77
push 0x9c
push eax
lea eax, [esp + 0x14]
push eax
call sub.MSVCRT.dll_memset
add esp, 0xc
mov dword [esp + 0xc], 0x9c
mov dword [esp + 0x10], 6
push 3
push 2
push 0
push 0
call dword [sym.imp.KERNEL32.dll_VerSetConditionMask]
push edx
push eax
push 2
lea eax, [esp + 0x18]
push eax
call dword [sym.imp.KERNEL32.dll_VerifyVersionInfoA]
test eax, eax
je 0x483d6b
mov dword [0x4ff608], 2
add esp, 0xa8
ret
mov dword [0x4ff608], 1
jmp 0x483d7c
cmp eax, 2
je 0x483dc8
lea eax, [esp + 8]
push eax
lea eax, [esp + 8]
push eax
push 0x1001
push 0xffff
push dword [esp + 0xbc]
call dword [sym.imp.WSOCK32.DLL_getsockopt]
test eax, eax
jne 0x483daa
mov eax, dword [esp + 4]
cmp eax, dword [esp]
jg 0x483dc8
push 4
lea eax, [esp + 4]
push eax
push 0x1001
push 0xffff
push dword [esp + 0xbc]
call dword [sym.imp.WSOCK32.DLL_setsockopt]
add esp, 0xa8
ret
Function at 0x483f70
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
sub esp, 0x104
push ebx
mov ebx, dword [esp + 0x10c]
push ebp
cmp dword [ebx + 0x7c], 2
mov ebp, dword [ebx]
je 0x484133
cmp byte [ebx + 0x231], 0
push esi
push edi
jne 0x4840e7
mov esi, dword [esp + 0x11c]
lea eax, [esp + 0x10]
push eax
lea eax, [esp + 0x98]
mov dword [esp + 0x14], pe_nt_image_headers32
push eax
push esi
call dword [sym.imp.WSOCK32.DLL_getpeername]
test eax, eax
je 0x483feb
call dword [sym.imp.WSOCK32.DLL_WSAGetLastError]
mov esi, eax
push esi
push ebx
call fcn.00495520
push eax
push esi
push str.getpeername___failed_with_errno__d:__s
push ebp
call fcn.00480bc0
add esp, 0x18
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x104
ret
push pe_nt_image_headers32
lea eax, [esp + 0x18]
mov dword [esp + 0x14], pe_nt_image_headers32
push 0
push eax
call sub.MSVCRT.dll_memset
add esp, 0xc
lea eax, [esp + 0x10]
push eax
lea eax, [esp + 0x18]
push eax
push esi
call dword [sym.imp.WSOCK32.DLL_getsockname]
test eax, eax
je 0x484046
call dword [sym.imp.WSOCK32.DLL_WSAGetLastError]
mov esi, eax
push esi
push ebx
call fcn.00495520
push eax
push esi
push str.getsockname___failed_with_errno__d:__s
push ebp
call fcn.00480bc0
add esp, 0x18
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x104
ret
lea eax, [ebx + 0xd8]
push eax
lea esi, [ebx + 0xa8]
lea eax, [esp + 0x98]
push esi
push eax
call fcn.00484620
add esp, 0xc
test al, al
jne 0x484092
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
push ebx
call fcn.00495520
push eax
push esi
push str.ssrem_inet_ntop___failed_with_errno__d:__s
push ebp
call fcn.00480bc0
add esp, 0x18
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x104
ret
lea edi, [ebx + 0x48]
mov ecx, 0xb
rep movsd dword es:[edi], dword [esi]
lea eax, [ebx + 0x10c]
push eax
lea eax, [ebx + 0xdc]
push eax
lea eax, [esp + 0x1c]
movsw word es:[edi], word [esi]
push eax
call fcn.00484620
add esp, 0xc
test al, al
jne 0x4840e7
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
push ebx
call fcn.00495520
push eax
push esi
push str.ssloc_inet_ntop___failed_with_errno__d:__s
push ebp
call fcn.00480bc0
add esp, 0x18
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x104
ret
mov edi, dword [ebx]
lea esi, [ebx + 0xa8]
add edi, 0x8654
mov ecx, 0xb
rep movsd dword es:[edi], dword [esi]
mov ecx, 0xb
movsw word es:[edi], word [esi]
mov edi, dword [ebx]
lea esi, [ebx + 0xdc]
add edi, 0x8688
rep movsd dword es:[edi], dword [esi]
movsw word es:[edi], word [esi]
mov ecx, dword [ebx]
mov eax, dword [ebx + 0xd8]
pop edi
pop esi
mov dword [ecx + 0x8684], eax
mov ecx, dword [ebx]
mov eax, dword [ebx + 0x10c]
mov dword [ecx + 0x86b8], eax
pop ebp
pop ebx
add esp, 0x104
ret
Function at 0x484990
Capabilities:
Set socket configuration

Disassembly:
sub esp, 0x10
push esi
mov esi, dword [esp + 0x18]
xor eax, eax
push edi
mov edi, dword [esp + 0x20]
push 4
cmp byte [esi + 0x398], al
setne al
mov dword [esp + 0x20], eax
lea eax, [esp + 0x20]
push eax
push 8
push 0xffff
push edi
call dword [sym.imp.WSOCK32.DLL_setsockopt]
test eax, eax
jns 0x4849da
push edi
push str.Failed_to_set_SO_KEEPALIVE_on_fd__d_n
push esi
call fcn.00480c90
add esp, 0xc
pop edi
pop esi
add esp, 0x10
ret
push dword [esi + 0x39c]
mov dword [esp + 0x10], 1
call fcn.0048f690
push dword [esi + 0x3a0]
imul eax, eax, 0x3e8
mov dword [esp + 0x24], eax
mov dword [esp + 0x18], eax
call fcn.0048f690
add esp, 8
imul eax, eax, 0x3e8
push 0
push 0
mov dword [esp + 0x24], eax
mov dword [esp + 0x1c], eax
lea eax, [esp + 0x10]
push eax
push 0
push 0
push 0xc
lea eax, [esp + 0x24]
push eax
push 0x98000004
push edi
call dword [sym.imp.WS2_32.DLL_WSAIoctl]
test eax, eax
je 0x484a51
call dword [sym.imp.WSOCK32.DLL_WSAGetLastError]
push eax
push edi
push str.Failed_to_set_SIO_KEEPALIVE_VALS_on_fd__d:__d_n
push esi
call fcn.00480c90
add esp, 0x10
pop edi
pop esi
add esp, 0x10
ret

Function at 0x484a60
Capabilities:
Set socket configuration

Disassembly:
push esi
push edi
mov edi, dword [esp + 0xc]
push 4
mov esi, dword [edi]
movzx eax, byte [esi + 0x29a]
mov dword [esp + 0x10], eax
lea eax, [esp + 0x10]
push eax
push 1
push 6
push dword [esp + 0x20]
call dword [sym.imp.WSOCK32.DLL_setsockopt]
test eax, eax
jns 0x484aab
call dword [sym.imp.WSOCK32.DLL_WSAGetLastError]
push eax
push edi
call fcn.00495520
push eax
push str.Could_not_set_TCP_NODELAY:__s_n
push esi
call fcn.00480c90
add esp, 0x14
pop edi
pop esi
ret
push str.TCP_NODELAY_set_n
push esi
call fcn.00480c90
add esp, 8
pop edi
pop esi
ret
Function at 0x48b890
Capabilities:
Parse pe header

Disassembly:
push ebx
push esi
mov esi, dword [esp + 0xc]
push edi
mov edi, dword [esp + 0x14]
mov bl, byte [esi]
test bl, bl
je 0x48b941
mov cl, byte [edi]
test cl, cl
je 0x48b941
movsx eax, bl
add eax, 0xffffff9f
cmp eax, 0x19
ja case.default.0x48b8ba
jmp dword [eax*4 + 0x48b968]
mov bl, 0x41
jmp case.default.0x48b8ba
mov bl, 0x42
jmp case.default.0x48b8ba
mov bl, 0x43
jmp case.default.0x48b8ba
mov bl, 0x44
jmp case.default.0x48b8ba
mov bl, 0x45
jmp case.default.0x48b8ba
mov bl, 0x46
jmp case.default.0x48b8ba
mov bl, 0x47
jmp case.default.0x48b8ba
mov bl, 0x48
jmp case.default.0x48b8ba
mov bl, 0x49
jmp case.default.0x48b8ba
mov bl, 0x4a
jmp case.default.0x48b8ba
mov bl, 0x4b
jmp case.default.0x48b8ba
mov bl, 0x4c
jmp case.default.0x48b8ba
mov bl, 0x4d
jmp case.default.0x48b8ba
mov bl, 0x4e
jmp case.default.0x48b8ba
mov bl, 0x4f
jmp case.default.0x48b8ba
mov bl, 0x50
jmp case.default.0x48b8ba
mov bl, 0x51
jmp case.default.0x48b8ba
mov bl, 0x52
jmp case.default.0x48b8ba
mov bl, 0x53
jmp case.default.0x48b8ba
mov bl, 0x54
jmp case.default.0x48b8ba
mov bl, 0x55
jmp case.default.0x48b8ba
mov bl, 0x56
jmp case.default.0x48b8ba
mov bl, 0x57
jmp case.default.0x48b8ba
mov bl, 0x58
jmp case.default.0x48b8ba
mov bl, 0x59
jmp case.default.0x48b8ba
mov bl, 0x5a
push ecx
call fcn.0048bb40
add esp, 4
cmp bl, al
jne 0x48b941
mov bl, byte [esi + 1]
inc esi
inc edi
test bl, bl
jne 0x48b8a5
movzx eax, byte [esi]
push eax
call fcn.0048bb40
movzx ecx, byte [edi]
mov bl, al
push ecx
call fcn.0048bb40
add esp, 8
xor ecx, ecx
cmp bl, al
sete cl
pop edi
pop esi
mov eax, ecx
pop ebx
ret
Function at 0x48b9d0
Capabilities:
Parse pe header

Disassembly:
push ebx
push ebp
mov ebp, dword [esp + 0x10]
push esi
mov esi, dword [esp + 0x18]
push edi
mov edi, dword [esp + 0x14]
mov bl, byte [edi]
test bl, bl
je 0x48ba96
lea ebx, [ebx]
mov cl, byte [ebp]
test cl, cl
je 0x48ba96
test esi, esi
je 0x48ba9a
movsx eax, bl
add eax, 0xffffff9f
cmp eax, 0x19
ja case.default.0x48ba0e
jmp dword [eax*4 + 0x48bacc]
mov bl, 0x41
jmp case.default.0x48ba0e
mov bl, 0x42
jmp case.default.0x48ba0e
mov bl, 0x43
jmp case.default.0x48ba0e
mov bl, 0x44
jmp case.default.0x48ba0e
mov bl, 0x45
jmp case.default.0x48ba0e
mov bl, 0x46
jmp case.default.0x48ba0e
mov bl, 0x47
jmp case.default.0x48ba0e
mov bl, 0x48
jmp case.default.0x48ba0e
mov bl, 0x49
jmp case.default.0x48ba0e
mov bl, 0x4a
jmp case.default.0x48ba0e
mov bl, 0x4b
jmp case.default.0x48ba0e
mov bl, 0x4c
jmp case.default.0x48ba0e
mov bl, 0x4d
jmp case.default.0x48ba0e
mov bl, 0x4e
jmp case.default.0x48ba0e
mov bl, 0x4f
jmp case.default.0x48ba0e
mov bl, 0x50
jmp case.default.0x48ba0e
mov bl, 0x51
jmp case.default.0x48ba0e
mov bl, 0x52
jmp case.default.0x48ba0e
mov bl, 0x53
jmp case.default.0x48ba0e
mov bl, 0x54
jmp case.default.0x48ba0e
mov bl, 0x55
jmp case.default.0x48ba0e
mov bl, 0x56
jmp case.default.0x48ba0e
mov bl, 0x57
jmp case.default.0x48ba0e
mov bl, 0x58
jmp case.default.0x48ba0e
mov bl, 0x59
jmp case.default.0x48ba0e
mov bl, 0x5a
push ecx
call fcn.0048bb40
add esp, 4
cmp bl, al
jne 0x48ba96
mov bl, byte [edi + 1]
inc edi
dec esi
inc ebp
test bl, bl
jne 0x48b9f0
test esi, esi
jne 0x48baa4
pop edi
pop esi
pop ebp
mov eax, 1
pop ebx
ret
movzx eax, byte [edi]
push eax
call fcn.0048bb40
movzx ecx, byte [ebp]
mov bl, al
push ecx
call fcn.0048bb40
add esp, 8
xor ecx, ecx
cmp bl, al
sete cl
pop edi
pop esi
pop ebp
mov eax, ecx
pop ebx
ret

Function at 0x48bb40
Capabilities:
Parse pe header

Disassembly:
mov cl, byte [esp + 4]
movsx eax, cl
add eax, 0xffffff9f
cmp eax, 0x19
ja case.default.0x48bb4f
jmp dword [eax*4 + 0x48bba8]
mov al, 0x41
ret
mov al, 0x42
ret
mov al, 0x43
ret
mov al, 0x44
ret
mov al, 0x45
ret
mov al, 0x46
ret
mov al, 0x47
ret
mov al, 0x48
ret
mov al, 0x49
ret
mov al, 0x4a
ret
mov al, 0x4b
ret
mov al, 0x4c
ret
mov al, 0x4d
ret
mov al, 0x4e
ret
mov al, 0x4f
ret
mov al, 0x50
ret
mov al, 0x51
ret
mov al, 0x52
ret
mov al, 0x53
ret
mov al, 0x54
ret
mov al, 0x55
ret
mov al, 0x56
ret
mov al, 0x57
ret
mov al, 0x58
ret
mov al, 0x59
ret
mov al, 0x5a
ret
mov al, cl
ret
Function at 0x48bc10
Capabilities:
Parse pe header

Disassembly:
push esi
mov esi, dword [esp + 0x10]
cmp esi, 1
jb 0x48bcbc
mov edx, dword [esp + 0xc]
push edi
mov edi, dword [esp + 0xc]
sub edi, edx
lea esp, [esp]
mov cl, byte [edx]
movsx eax, cl
add eax, 0xffffff9f
cmp eax, 0x19
ja case.default.0x48bc3d
jmp dword [eax*4 + 0x48bcc0]
mov cl, 0x41
jmp case.default.0x48bc3d
mov cl, 0x42
jmp case.default.0x48bc3d
mov cl, 0x43
jmp case.default.0x48bc3d
mov cl, 0x44
jmp case.default.0x48bc3d
mov cl, 0x45
jmp case.default.0x48bc3d
mov cl, 0x46
jmp case.default.0x48bc3d
mov cl, 0x47
jmp case.default.0x48bc3d
mov cl, 0x48
jmp case.default.0x48bc3d
mov cl, 0x49
jmp case.default.0x48bc3d
mov cl, 0x4a
jmp case.default.0x48bc3d
mov cl, 0x4b
jmp case.default.0x48bc3d
mov cl, 0x4c
jmp case.default.0x48bc3d
mov cl, 0x4d
jmp case.default.0x48bc3d
mov cl, 0x4e
jmp case.default.0x48bc3d
mov cl, 0x4f
jmp case.default.0x48bc3d
mov cl, 0x50
jmp case.default.0x48bc3d
mov cl, 0x51
jmp case.default.0x48bc3d
mov cl, 0x52
jmp case.default.0x48bc3d
mov cl, 0x53
jmp case.default.0x48bc3d
mov cl, 0x54
jmp case.default.0x48bc3d
mov cl, 0x55
jmp case.default.0x48bc3d
mov cl, 0x56
jmp case.default.0x48bc3d
mov cl, 0x57
jmp case.default.0x48bc3d
mov cl, 0x58
jmp case.default.0x48bc3d
mov cl, 0x59
jmp case.default.0x48bc3d
mov cl, 0x5a
mov byte [edi + edx], cl
mov al, byte [edx]
inc edx
test al, al
je 0x48bcbb
dec esi
jne 0x48bc30
pop edi
pop esi
ret
Function at 0x491720
Capabilities:
Query environment variable

Disassembly:
sub esp, 0x104
push dword [esp + 0x108]
call dword [sym.imp.MSVCRT.dll_getenv]
add esp, 4
mov byte [esp], 0
test eax, eax
je 0x491769
push 0x104
lea ecx, [esp + 4]
push ecx
push eax
call dword [sym.imp.KERNEL32.dll_ExpandEnvironmentStringsA]
cmp byte [esp], 0
je 0x491769
lea eax, [esp]
push eax
call dword [0x4fb54c]
add esp, 4
add esp, 0x104
ret
xor eax, eax
add esp, 0x104
ret
Function at 0x4965b0
Capabilities:
Resolve dns

Disassembly:
sub esp, 0xc
mov eax, dword [esp + 0x1c]
push ebp
xor ebp, ebp
mov dword [esp + 4], ebp
mov dword [eax], ebp
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 0x496743
push ebx
push edi
mov edi, dword [esp + 0x10]
test edi, edi
je 0x49672d
push esi
mov eax, dword [edi + 4]
cmp eax, 2
jne 0x4965ff
lea ebx, [eax + 0xe]
jmp 0x49660b
cmp eax, 0x17
jne 0x4966ba
lea ebx, [eax + 5]
cmp dword [edi + 0x18], 0
je 0x4966ba
mov eax, dword [edi + 0x10]
test eax, eax
je 0x4966ba
cmp eax, ebx
jb 0x4966ba
push 0x20
call dword [0x4fb540]
mov esi, eax
add esp, 4
test esi, esi
je 0x496722
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 ebx
mov dword [esi + 0xc], eax
mov dword [esi + 0x10], ebx
mov dword [esi + 0x18], 0
mov dword [esi + 0x14], 0
mov dword [esi + 0x1c], 0
call dword [0x4fb540]
add esp, 4
mov dword [esi + 0x18], eax
test eax, eax
je 0x496711
push ebx
push dword [edi + 0x18]
push eax
call sub.MSVCRT.dll_memcpy
mov eax, dword [edi + 0x14]
add esp, 0xc
test eax, eax
je 0x4966a5
push eax
call dword [0x4fb54c]
add esp, 4
mov dword [esi + 0x14], eax
test eax, eax
je 0x4966f7
test ebp, ebp
jne 0x4966ab
mov ebp, esi
mov eax, dword [esp + 0x10]
test eax, eax
je 0x4966b6
mov dword [eax + 0x1c], esi
mov dword [esp + 0x10], esi
mov edi, dword [edi + 0x1c]
test edi, edi
jne 0x4965f2
mov ebx, dword [esp + 0x18]
mov eax, dword [esp + 0x14]
pop esi
test eax, eax
je 0x4966d9
push eax
call dword [sym.imp.WS2_32.DLL_freeaddrinfo]
test ebx, ebx
je 0x496729
push ebp
call fcn.00496570
mov eax, dword [esp + 0x2c]
add esp, 4
xor ebp, ebp
mov dword [eax], ebp
mov eax, ebx
pop edi
pop ebx
pop ebp
add esp, 0xc
ret
push dword [esi + 0x18]
mov ebx, 8
call dword [0x4fb544]
push esi
call dword [0x4fb544]
add esp, 8
jmp 0x4966c9
push esi
mov ebx, 8
call dword [0x4fb544]
add esp, 4
jmp 0x4966c9
mov ebx, 8
jmp 0x4966c9
test ebp, ebp
jne 0x496739
mov ebx, 0x2af9
push ebx
call dword [sym.imp.WSOCK32.DLL_WSASetLastError]
mov eax, dword [esp + 0x28]
pop edi
mov dword [eax], ebp
mov eax, ebx
pop ebx
pop ebp
add esp, 0xc
ret

Function at 0x496b90
Capabilities:
Create udp socket

Disassembly:
mov eax, dword [esp + 4]
cmp dword [eax + 0x264], 2
je fcn.00496b40
mov al, 1
ret
Function at 0x49d530
Capabilities:
Compress data via zlib inflate or deflate

Disassembly:
mov ecx, dword [esp + 4]
sub esp, 0x34
push edi
test ecx, ecx
je 0x49eb66
mov edi, dword [ecx + 0x1c]
mov dword [esp + 0x14], edi
test edi, edi
je 0x49eb66
cmp dword [ecx + 0xc], 0
je 0x49eb66
cmp dword [ecx], 0
jne 0x49d568
cmp dword [ecx + 4], 0
jne 0x49eb66
cmp dword [edi], 0xb
jne 0x49d573
mov dword [edi], 0xc
mov eax, dword [ecx + 0xc]
mov edx, dword [edi + 0x38]
mov dword [esp + 0x18], eax
mov eax, dword [ecx + 0x10]
push ebx
mov ebx, dword [ecx]
mov dword [esp + 0x10], eax
mov dword [esp + 0x20], eax
xor eax, eax
push ebp
mov ebp, dword [ecx + 4]
mov dword [esp + 0x28], eax
mov eax, dword [edi]
mov dword [esp + 0x10], ebx
mov dword [esp + 0xc], edx
mov dword [esp + 0x38], ebp
push esi
mov esi, dword [edi + 0x3c]
cmp eax, 0x1e
ja 0x49dee5
lea ebx, [edi + 0x54]
mov dword [esp + 0x40], ebx
mov ebx, dword [esp + 0x14]
jmp 0x49d5c0
jmp dword [eax*4 + 0x49eb70]
pop esi
pop ebp
pop ebx
mov eax, 0xfffffffe
pop edi
add esp, 0x34
ret
mov eax, 0xfffffffe
pop edi
add esp, 0x34
ret
Function at 0x40689a
Capabilities:
Get common file path

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x23c
push esi
mov esi, 0x104
lea eax, [ebp - 0x23c]
push esi
push eax
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryW]
cmp eax, esi
pop esi
jbe 0x4068be
xor eax, eax
test eax, eax
je 0x4068d1
cmp word [ebp + eax*2 - 0x23e], 0x5c
je 0x4068d1
xor ecx, ecx
jmp 0x4068d4
xor ecx, ecx
inc ecx
push dword [ebp + 8]
lea ecx, [ecx*2 + 0x40a014]
lea eax, [ebp + eax*2 - 0x23c]
push ecx
push str._s_S.dll
push eax
call dword [sym.imp.USER32.dll_wsprintfW]
add esp, 0x10
lea eax, [ebp - 0x23c]
push 8
push 0
push eax
call dword [sym.imp.KERNEL32.dll_LoadLibraryExW]
leave
ret 4

Function at 0x4069f7
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
cmp dword [0x43190c], 0
push esi
jne 0x406a2e
xor ecx, ecx
push 8
mov eax, ecx
pop esi
mov edx, eax
and dl, 1
neg dl
sbb edx, edx
and edx, 0xedb88320
shr eax, 1
xor eax, edx
dec esi
jne 0x406a08
mov dword [ecx*4 + 0x431908], eax
inc ecx
cmp ecx, 0x100
jl 0x406a03
mov edx, dword [esp + 0x10]
mov eax, dword [esp + 8]
test edx, edx
not eax
jbe 0x406a5f
mov ecx, dword [esp + 0xc]
push edi
movzx edi, byte [ecx]
mov esi, eax
and esi, 0xff
xor esi, edi
shr eax, 8
mov esi, dword [esi*4 + 0x431908]
xor eax, esi
inc ecx
dec edx
jne 0x406a41
pop edi
not eax
pop esi
ret 0xc

Function at 0x401000
Capabilities:
Encode data using xor

Disassembly:
mov eax, 0x78eb94
push eax
push dword fs:[0]
mov dword fs:[0], esp
xor eax, eax
mov dword [eax], ecx
push eax
inc ebp
inc ebx
outsd dx, dword [esi]
insd dword es:[edi], dx
jo 0x401080
arpl word [edx + esi], si
mov ss, word [ebx]
cld
invalid
test byte [eax - 0x3ffd1d9d], ah
in al, dx
and eax, 0xb6510432
push ecx
and dword [ecx], ecx
jnp 0x401097
sub byte [ebx - 0x59b7efec], ch
adc al, 0x28
in al, 0x4c
pushal
push edx
stc
sti
cmp al, 0x48
mov ebp, 0x731d4a4b
push esi
in al, dx
retf