joyce8/EMBER2024-capa huggingface dataset:
Function at 0x463560
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 0x463585
mov esi, 0x1fe
mov byte [ebx + 0x1c], 1
jmp 0x46358b
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 0x4636a0
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 0x4635dd
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 0x463636
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 0x463620
mov edi, dword [esp + 0x10]
mov al, byte [esp + 0x1c]
imul bl
mov byte [esi + ebp], al
inc esi
cmp esi, 0xff
jle 0x463600
mov esi, dword [esp + 0x14]
test esi, esi
je 0x463681
mov ecx, 1
lea edx, [ebp - 1]
jmp 0x463660
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 0x463660
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 0x4635c0
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x14
ret

Function at 0x477bf0
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 0x477c29
mov eax, dword [esp]
cmp al, 2
jne 0x477c23
shr eax, 8
cmp al, 2
jne 0x477c23
call fcn.004856c0
add esp, 0x190
ret
call dword [sym.imp.WSOCK32.DLL_WSACleanup]
mov eax, 2
add esp, 0x190
ret
Function at 0x480c30
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.00490510
mov eax, dword [ebx + 0xfc]
add esp, 0x10
test eax, eax
je 0x480c81
cmp byte [ebx + 0x84ec], 0
jne 0x480c81
push ebp
push 0x4aafb0
push 0x100
push eax
call fcn.00490420
add esp, 0x10
mov byte [ebx + 0x84ec], 1
cmp byte [ebx + 0x284], 0
je 0x480cf8
push edi
mov edi, ebp
lea ecx, [edi + 1]
mov al, byte [edi]
inc edi
test al, al
jne 0x480c90
sub edi, ecx
cmp edi, 0x3fff
jae 0x480cb1
mov byte [edi + ebx + 0x4c4], 0xa
inc edi
mov byte [edi + ebx + 0x4c4], al
mov eax, dword [ebx + 0x164]
test eax, eax
je 0x480ccf
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 0x4aaf98
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 0x480d00
Capabilities:
Write file on windows

Disassembly:
sub esp, 0x804
push ebx
mov ebx, dword [esp + 0x80c]
test ebx, ebx
je 0x480dad
cmp byte [ebx + 0x284], 0
je 0x480dad
push edi
lea eax, [esp + 0x818]
push eax
push dword [esp + 0x818]
lea eax, [esp + 0x10]
push 0x801
push eax
call fcn.00490510
lea edi, [esp + 0x18]
add esp, 0x10
lea ecx, [edi + 1]
lea esp, [esp]
mov al, byte [edi]
inc edi
test al, al
jne 0x480d50
mov eax, dword [ebx + 0x164]
sub edi, ecx
test eax, eax
je 0x480d80
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 0x4aaf98
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 0x480ee0
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 0x480f11
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 0x480fa0
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 0x48101b
push esi
call dword [sym.imp.WSOCK32.DLL_WSAGetLastError]
mov esi, eax
cmp esi, 0x2733
jne 0x480ff1
pop esi
pop edi
pop ebp
mov dword [ebx], 0x51
xor eax, eax
pop ebx
ret
push esi
push ebp
call fcn.00495590
push eax
push str.Send_failure:__s
push dword [ebp]
call fcn.00480c30
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 0x481120
Capabilities:
Write file on windows

Disassembly:
push edi
mov edi, dword [esp + 8]
mov eax, dword [edi + 0x164]
test eax, eax
je 0x481149
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 0x481184
push dword [edi + 0xf4]
lea eax, [eax + eax*2]
push 1
add eax, 0x4aaf98
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 0x483d60
Capabilities:
Set socket configuration

Disassembly:
sub esp, 0xa8
mov eax, dword [0x4ff320]
mov dword [esp], 0x4020
mov dword [esp + 4], 0
mov dword [esp + 8], 4
test eax, eax
jne 0x483de7
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 0x483ddb
mov dword [0x4ff320], 2
add esp, 0xa8
ret
mov dword [0x4ff320], 1
jmp 0x483dec
cmp eax, 2
je 0x483e38
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 0x483e1a
mov eax, dword [esp + 4]
cmp eax, dword [esp]
jg 0x483e38
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 0x483fe0
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 0x4841a3
cmp byte [ebx + 0x231], 0
push esi
push edi
jne 0x484157
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 0x48405b
call dword [sym.imp.WSOCK32.DLL_WSAGetLastError]
mov esi, eax
push esi
push ebx
call fcn.00495590
push eax
push esi
push str.getpeername___failed_with_errno__d:__s
push ebp
call fcn.00480c30
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 0x4840b6
call dword [sym.imp.WSOCK32.DLL_WSAGetLastError]
mov esi, eax
push esi
push ebx
call fcn.00495590
push eax
push esi
push str.getsockname___failed_with_errno__d:__s
push ebp
call fcn.00480c30
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.00484690
add esp, 0xc
test al, al
jne 0x484102
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
push ebx
call fcn.00495590
push eax
push esi
push str.ssrem_inet_ntop___failed_with_errno__d:__s
push ebp
call fcn.00480c30
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.00484690
add esp, 0xc
test al, al
jne 0x484157
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
push ebx
call fcn.00495590
push eax
push esi
push str.ssloc_inet_ntop___failed_with_errno__d:__s
push ebp
call fcn.00480c30
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 0x484a00
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 0x484a4a
push edi
push str.Failed_to_set_SO_KEEPALIVE_on_fd__d_n
push esi
call fcn.00480d00
add esp, 0xc
pop edi
pop esi
add esp, 0x10
ret
push dword [esi + 0x39c]
mov dword [esp + 0x10], 1
call fcn.0048f700
push dword [esi + 0x3a0]
imul eax, eax, 0x3e8
mov dword [esp + 0x24], eax
mov dword [esp + 0x18], eax
call fcn.0048f700
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 0x484ac1
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.00480d00
add esp, 0x10
pop edi
pop esi
add esp, 0x10
ret

Function at 0x484ad0
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 0x484b1b
call dword [sym.imp.WSOCK32.DLL_WSAGetLastError]
push eax
push edi
call fcn.00495590
push eax
push str.Could_not_set_TCP_NODELAY:__s_n
push esi
call fcn.00480d00
add esp, 0x14
pop edi
pop esi
ret
push str.TCP_NODELAY_set_n
push esi
call fcn.00480d00
add esp, 8
pop edi
pop esi
ret
Function at 0x48b900
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 0x48b9b1
mov cl, byte [edi]
test cl, cl
je 0x48b9b1
movsx eax, bl
add eax, 0xffffff9f
cmp eax, 0x19
ja case.default.0x48b92a
jmp dword [eax*4 + 0x48b9d8]
mov bl, 0x41
jmp case.default.0x48b92a
mov bl, 0x42
jmp case.default.0x48b92a
mov bl, 0x43
jmp case.default.0x48b92a
mov bl, 0x44
jmp case.default.0x48b92a
mov bl, 0x45
jmp case.default.0x48b92a
mov bl, 0x46
jmp case.default.0x48b92a
mov bl, 0x47
jmp case.default.0x48b92a
mov bl, 0x48
jmp case.default.0x48b92a
mov bl, 0x49
jmp case.default.0x48b92a
mov bl, 0x4a
jmp case.default.0x48b92a
mov bl, 0x4b
jmp case.default.0x48b92a
mov bl, 0x4c
jmp case.default.0x48b92a
mov bl, 0x4d
jmp case.default.0x48b92a
mov bl, 0x4e
jmp case.default.0x48b92a
mov bl, 0x4f
jmp case.default.0x48b92a
mov bl, 0x50
jmp case.default.0x48b92a
mov bl, 0x51
jmp case.default.0x48b92a
mov bl, 0x52
jmp case.default.0x48b92a
mov bl, 0x53
jmp case.default.0x48b92a
mov bl, 0x54
jmp case.default.0x48b92a
mov bl, 0x55
jmp case.default.0x48b92a
mov bl, 0x56
jmp case.default.0x48b92a
mov bl, 0x57
jmp case.default.0x48b92a
mov bl, 0x58
jmp case.default.0x48b92a
mov bl, 0x59
jmp case.default.0x48b92a
mov bl, 0x5a
push ecx
call fcn.0048bbb0
add esp, 4
cmp bl, al
jne 0x48b9b1
mov bl, byte [esi + 1]
inc esi
inc edi
test bl, bl
jne 0x48b915
movzx eax, byte [esi]
push eax
call fcn.0048bbb0
movzx ecx, byte [edi]
mov bl, al
push ecx
call fcn.0048bbb0
add esp, 8
xor ecx, ecx
cmp bl, al
sete cl
pop edi
pop esi
mov eax, ecx
pop ebx
ret
Function at 0x48ba40
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 0x48bb06
lea ebx, [ebx]
mov cl, byte [ebp]
test cl, cl
je 0x48bb06
test esi, esi
je 0x48bb0a
movsx eax, bl
add eax, 0xffffff9f
cmp eax, 0x19
ja case.default.0x48ba7e
jmp dword [eax*4 + 0x48bb3c]
mov bl, 0x41
jmp case.default.0x48ba7e
mov bl, 0x42
jmp case.default.0x48ba7e
mov bl, 0x43
jmp case.default.0x48ba7e
mov bl, 0x44
jmp case.default.0x48ba7e
mov bl, 0x45
jmp case.default.0x48ba7e
mov bl, 0x46
jmp case.default.0x48ba7e
mov bl, 0x47
jmp case.default.0x48ba7e
mov bl, 0x48
jmp case.default.0x48ba7e
mov bl, 0x49
jmp case.default.0x48ba7e
mov bl, 0x4a
jmp case.default.0x48ba7e
mov bl, 0x4b
jmp case.default.0x48ba7e
mov bl, 0x4c
jmp case.default.0x48ba7e
mov bl, 0x4d
jmp case.default.0x48ba7e
mov bl, 0x4e
jmp case.default.0x48ba7e
mov bl, 0x4f
jmp case.default.0x48ba7e
mov bl, 0x50
jmp case.default.0x48ba7e
mov bl, 0x51
jmp case.default.0x48ba7e
mov bl, 0x52
jmp case.default.0x48ba7e
mov bl, 0x53
jmp case.default.0x48ba7e
mov bl, 0x54
jmp case.default.0x48ba7e
mov bl, 0x55
jmp case.default.0x48ba7e
mov bl, 0x56
jmp case.default.0x48ba7e
mov bl, 0x57
jmp case.default.0x48ba7e
mov bl, 0x58
jmp case.default.0x48ba7e
mov bl, 0x59
jmp case.default.0x48ba7e
mov bl, 0x5a
push ecx
call fcn.0048bbb0
add esp, 4
cmp bl, al
jne 0x48bb06
mov bl, byte [edi + 1]
inc edi
dec esi
inc ebp
test bl, bl
jne 0x48ba60
test esi, esi
jne 0x48bb14
pop edi
pop esi
pop ebp
mov eax, 1
pop ebx
ret
movzx eax, byte [edi]
push eax
call fcn.0048bbb0
movzx ecx, byte [ebp]
mov bl, al
push ecx
call fcn.0048bbb0
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 0x48bbb0
Capabilities:
Parse pe header

Disassembly:
mov cl, byte [esp + 4]
movsx eax, cl
add eax, 0xffffff9f
cmp eax, 0x19
ja case.default.0x48bbbf
jmp dword [eax*4 + 0x48bc18]
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 0x48bc80
Capabilities:
Parse pe header

Disassembly:
push esi
mov esi, dword [esp + 0x10]
cmp esi, 1
jb 0x48bd2c
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.0x48bcad
jmp dword [eax*4 + 0x48bd30]
mov cl, 0x41
jmp case.default.0x48bcad
mov cl, 0x42
jmp case.default.0x48bcad
mov cl, 0x43
jmp case.default.0x48bcad
mov cl, 0x44
jmp case.default.0x48bcad
mov cl, 0x45
jmp case.default.0x48bcad
mov cl, 0x46
jmp case.default.0x48bcad
mov cl, 0x47
jmp case.default.0x48bcad
mov cl, 0x48
jmp case.default.0x48bcad
mov cl, 0x49
jmp case.default.0x48bcad
mov cl, 0x4a
jmp case.default.0x48bcad
mov cl, 0x4b
jmp case.default.0x48bcad
mov cl, 0x4c
jmp case.default.0x48bcad
mov cl, 0x4d
jmp case.default.0x48bcad
mov cl, 0x4e
jmp case.default.0x48bcad
mov cl, 0x4f
jmp case.default.0x48bcad
mov cl, 0x50
jmp case.default.0x48bcad
mov cl, 0x51
jmp case.default.0x48bcad
mov cl, 0x52
jmp case.default.0x48bcad
mov cl, 0x53
jmp case.default.0x48bcad
mov cl, 0x54
jmp case.default.0x48bcad
mov cl, 0x55
jmp case.default.0x48bcad
mov cl, 0x56
jmp case.default.0x48bcad
mov cl, 0x57
jmp case.default.0x48bcad
mov cl, 0x58
jmp case.default.0x48bcad
mov cl, 0x59
jmp case.default.0x48bcad
mov cl, 0x5a
mov byte [edi + edx], cl
mov al, byte [edx]
inc edx
test al, al
je 0x48bd2b
dec esi
jne 0x48bca0
pop edi
pop esi
ret
Function at 0x491790
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 0x4917d9
push 0x104
lea ecx, [esp + 4]
push ecx
push eax
call dword [sym.imp.KERNEL32.dll_ExpandEnvironmentStringsA]
cmp byte [esp], 0
je 0x4917d9
lea eax, [esp]
push eax
call dword [0x4fb284]
add esp, 4
add esp, 0x104
ret
xor eax, eax
add esp, 0x104
ret
Function at 0x496620
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 0x4967b3
push ebx
push edi
mov edi, dword [esp + 0x10]
test edi, edi
je 0x49679d
push esi
mov eax, dword [edi + 4]
cmp eax, 2
jne 0x49666f
lea ebx, [eax + 0xe]
jmp 0x49667b
cmp eax, 0x17
jne 0x49672a
lea ebx, [eax + 5]
cmp dword [edi + 0x18], 0
je 0x49672a
mov eax, dword [edi + 0x10]
test eax, eax
je 0x49672a
cmp eax, ebx
jb 0x49672a
push 0x20
call dword [0x4fb278]
mov esi, eax
add esp, 4
test esi, esi
je 0x496792
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 [0x4fb278]
add esp, 4
mov dword [esi + 0x18], eax
test eax, eax
je 0x496781
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 0x496715
push eax
call dword [0x4fb284]
add esp, 4
mov dword [esi + 0x14], eax
test eax, eax
je 0x496767
test ebp, ebp
jne 0x49671b
mov ebp, esi
mov eax, dword [esp + 0x10]
test eax, eax
je 0x496726
mov dword [eax + 0x1c], esi
mov dword [esp + 0x10], esi
mov edi, dword [edi + 0x1c]
test edi, edi
jne 0x496662
mov ebx, dword [esp + 0x18]
mov eax, dword [esp + 0x14]
pop esi
test eax, eax
je 0x496749
push eax
call dword [sym.imp.WS2_32.DLL_freeaddrinfo]
test ebx, ebx
je 0x496799
push ebp
call fcn.004965e0
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 [0x4fb27c]
push esi
call dword [0x4fb27c]
add esp, 8
jmp 0x496739
push esi
mov ebx, 8
call dword [0x4fb27c]
add esp, 4
jmp 0x496739
mov ebx, 8
jmp 0x496739
test ebp, ebp
jne 0x4967a9
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 0x496c00
Capabilities:
Create udp socket

Disassembly:
mov eax, dword [esp + 4]
cmp dword [eax + 0x264], 2
je fcn.00496bb0
mov al, 1
ret
Function at 0x8662b0
Capabilities:
Packed with generic packer

Disassembly:
pushal
mov esi, section.UPX1
lea edi, [esi - 0xf000]
push edi
jmp 0x8662ca
mov al, byte [esi]
inc esi
mov byte [edi], al
inc edi
add ebx, ebx
jne 0x8662d1
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jb 0x8662c0
mov eax, 1
add ebx, ebx
jne 0x8662e3
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc eax, eax
add ebx, ebx
jae 0x8662d8
jne 0x8662f4
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jae 0x8662d8
xor ecx, ecx
sub eax, 3
jb 0x866308
shl eax, 8
mov al, byte [esi]
inc esi
xor eax, 0xffffffff
je 0x86637a
mov ebp, eax
add ebx, ebx
jne 0x866313
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc ecx, ecx
add ebx, ebx
jne 0x866320
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc ecx, ecx
jne 0x866344
inc ecx
add ebx, ebx
jne 0x866330
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc ecx, ecx
add ebx, ebx
jae 0x866325
jne 0x866341
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jae 0x866325
add ecx, 2
cmp ebp, 0xfffff300
adc ecx, 1
lea edx, [edi + ebp]
cmp ebp, 0xfffffffc
jbe 0x866364
mov al, byte [edx]
inc edx
mov byte [edi], al
inc edi
dec ecx
jne 0x866355
jmp 0x8662c6
mov eax, dword [edx]
add edx, 4
mov dword [edi], eax
add edi, 4
sub ecx, 4
ja 0x866364
add edi, ecx
jmp 0x8662c6
pop esi
lea edi, [esi + 0x14000]
mov eax, dword [edi]
or eax, eax
je 0x8663c3
mov ebx, dword [edi + 4]
lea eax, [eax + esi + 0x16000]
add ebx, esi
push eax
add edi, 8
call dword [esi + 0x1606c]
xchg ebp, eax
mov al, byte [edi]
inc edi
or al, al
je 0x866381
mov ecx, edi
push edi
dec eax
repne scasb al, byte es:[edi]
push ebp
call dword [esi + 0x16074]
or eax, eax
je 0x8663bd
mov dword [ebx], eax
add ebx, 4
jmp 0x86639e
call dword [esi + 0x16070]
add edi, 4
lea ebx, [esi - 4]
xor eax, eax
mov al, byte [edi]
inc edi
or eax, eax
je 0x8663f4
cmp al, 0xef
ja 0x8663e7
add ebx, eax
mov eax, dword [ebx]
xchg ah, al
rol eax, 0x10
xchg ah, al
add eax, esi
mov dword [ebx], eax
jmp 0x8663c9
and al, 0xf
shl eax, 0x10
mov ax, word [edi]
add edi, 2
jmp 0x8663d6
mov ebp, dword [esi + 0x16078]
lea edi, [esi - 0x1000]
mov ebx, 0x1000
push eax
push esp
push 4
push ebx
push edi
call ebp
lea eax, [edi + 0x1f7]
and byte [eax], 0x7f
and byte [eax + 0x28], 0x7f
pop eax
push eax
push esp
push eax
push ebx
push edi
call ebp
pop eax
popal
lea eax, [esp - 0x80]
push 0
cmp esp, eax
jne 0x866428
sub esp, 0xffffff80
jmp 0x855dd2
Function at 0x10001170
Capabilities:
Create thread

Disassembly:
cmp dword [esp + 8], 1
jne 0x1000118e
push 0
push 0
push dword [esp + 0xc]
push 0x10001040
push 0
push 0
call dword [sym.imp.KERNEL32.dll_CreateThread]
mov eax, 1
ret 0xc

Function at 0x10002040
Capabilities:
Allocate or change rwx memory

Disassembly:
push eax
mov eax, esp
push eax
push 0x40
push dword [esp + 0x14]
push dword [esp + 0x14]
call dword [sym.imp.KERNEL32.dll_VirtualProtect]
xor ecx, ecx
test eax, eax
sete cl
mov eax, ecx
pop ecx
ret

Function at 0x10002060
Capabilities:
Allocate or change rwx memory

Disassembly:
push 0x40
push 0x3000
push dword [esp + 0x10]
push 0
call dword [sym.imp.KERNEL32.dll_VirtualAlloc]
ret