joyce8/EMBER2024-capa huggingface dataset:
Function at 0x403c50
Capabilities:
Get thread local storage value

Disassembly:
push ebp
mov ebp, esp
sub esp, 0xc
mov eax, dword [0x430140]
push eax
call dword [sym.imp.KERNEL32.dll_TlsGetValue]
mov dword [ebp - 4], eax
cmp dword [ebp + 0xc], 0xffffffff
jne 0x403c74
mov ecx, dword [ebp - 4]
mov edx, dword [ecx + 8]
mov dword [ebp + 0xc], edx
mov eax, dword [ebp - 4]
mov ecx, dword [eax + 8]
add ecx, dword [ebp + 8]
mov dword [ebp - 8], ecx
mov edx, dword [ebp - 4]
mov eax, dword [edx + 4]
sub eax, 4
cmp dword [ebp - 8], eax
jl 0x403cc1
mov ecx, dword [ebp - 8]
add ecx, 0x4000
mov edx, dword [ebp - 4]
mov dword [edx + 4], ecx
mov eax, dword [ebp - 4]
mov ecx, dword [eax + 4]
add ecx, 5
push ecx
mov edx, dword [ebp - 4]
mov eax, dword [edx]
push eax
push 0
mov ecx, dword [0x43113c]
push ecx
call dword [sym.imp.KERNEL32.dll_HeapReAlloc]
mov edx, dword [ebp - 4]
mov dword [edx], eax
mov eax, dword [ebp - 4]
mov ecx, dword [eax]
add ecx, dword [ebp + 0xc]
mov dword [ebp - 0xc], ecx
mov edx, dword [ebp + 0xc]
add edx, dword [ebp + 8]
mov eax, dword [ebp - 4]
mov dword [eax + 8], edx
mov eax, dword [ebp - 0xc]
mov esp, ebp
pop ebp
ret 8

Function at 0x403e50
Capabilities:
Get thread local storage value

Disassembly:
push ebp
mov ebp, esp
sub esp, 8
mov eax, dword [0x430140]
push eax
call dword [sym.imp.KERNEL32.dll_TlsGetValue]
mov dword [ebp - 4], eax
mov ecx, dword [ebp - 4]
mov edx, dword [ebp + 8]
mov dword [ecx + 8], edx
mov eax, dword [ebp - 4]
mov ecx, dword [eax]
mov edx, dword [ebp - 4]
add ecx, dword [edx + 8]
mov dword [ebp - 8], ecx
mov eax, dword [ebp - 8]
mov esp, ebp
pop ebp
ret 4

Function at 0x404240
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 0x404279
mov eax, dword [esp]
cmp al, 2
jne 0x404273
shr eax, 8
cmp al, 2
jne 0x404273
call fcn.00411d10
add esp, 0x190
ret
call dword [sym.imp.WSOCK32.DLL_WSACleanup]
mov eax, 2
add esp, 0x190
ret

Function at 0x40d280
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.0041cb60
mov eax, dword [ebx + 0xfc]
add esp, 0x10
test eax, eax
je 0x40d2d1
cmp byte [ebx + 0x84ec], 0
jne 0x40d2d1
push ebp
push 0x429a90
push 0x100
push eax
call fcn.0041ca70
add esp, 0x10
mov byte [ebx + 0x84ec], 1
cmp byte [ebx + 0x284], 0
je 0x40d348
push edi
mov edi, ebp
lea ecx, [edi + 1]
mov al, byte [edi]
inc edi
test al, al
jne 0x40d2e0
sub edi, ecx
cmp edi, 0x3fff
jae 0x40d301
mov byte [edi + ebx + 0x4c4], 0xa
inc edi
mov byte [edi + ebx + 0x4c4], al
mov eax, dword [ebx + 0x164]
test eax, eax
je 0x40d31f
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 0x429a78
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 0x40d350
Capabilities:
Write file on windows

Disassembly:
sub esp, 0x804
push ebx
mov ebx, dword [esp + 0x80c]
test ebx, ebx
je 0x40d3fd
cmp byte [ebx + 0x284], 0
je 0x40d3fd
push edi
lea eax, [esp + 0x818]
push eax
push dword [esp + 0x818]
lea eax, [esp + 0x10]
push 0x801
push eax
call fcn.0041cb60
lea edi, [esp + 0x18]
add esp, 0x10
lea ecx, [edi + 1]
lea esp, [esp]
mov al, byte [edi]
inc edi
test al, al
jne 0x40d3a0
mov eax, dword [ebx + 0x164]
sub edi, ecx
test eax, eax
je 0x40d3d0
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 0x429a78
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 0x40d530
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 0x40d561
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 0x40d5f0
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 0x40d66b
push esi
call dword [sym.imp.WSOCK32.DLL_WSAGetLastError]
mov esi, eax
cmp esi, 0x2733
jne 0x40d641
pop esi
pop edi
pop ebp
mov dword [ebx], 0x51
xor eax, eax
pop ebx
ret
push esi
push ebp
call fcn.00421be0
push eax
push str.Send_failure:__s
push dword [ebp]
call fcn.0040d280
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 0x40d770
Capabilities:
Write file on windows

Disassembly:
push edi
mov edi, dword [esp + 8]
mov eax, dword [edi + 0x164]
test eax, eax
je 0x40d799
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 0x40d7d4
push dword [edi + 0xf4]
lea eax, [eax + eax*2]
push 1
add eax, 0x429a78
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 0x4103b0
Capabilities:
Set socket configuration

Disassembly:
sub esp, 0xa8
mov eax, dword [0x4310c4]
mov dword [esp], 0x4020
mov dword [esp + 4], 0
mov dword [esp + 8], 4
test eax, eax
jne 0x410437
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 0x41042b
mov dword [0x4310c4], 2
add esp, 0xa8
ret
mov dword [0x4310c4], 1
jmp 0x41043c
cmp eax, 2
je 0x410488
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 0x41046a
mov eax, dword [esp + 4]
cmp eax, dword [esp]
jg 0x410488
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 0x410630
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 0x4107f3
cmp byte [ebx + 0x231], 0
push esi
push edi
jne 0x4107a7
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 0x4106ab
call dword [sym.imp.WSOCK32.DLL_WSAGetLastError]
mov esi, eax
push esi
push ebx
call fcn.00421be0
push eax
push esi
push str.getpeername___failed_with_errno__d:__s
push ebp
call fcn.0040d280
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 0x410706
call dword [sym.imp.WSOCK32.DLL_WSAGetLastError]
mov esi, eax
push esi
push ebx
call fcn.00421be0
push eax
push esi
push str.getsockname___failed_with_errno__d:__s
push ebp
call fcn.0040d280
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.00410ce0
add esp, 0xc
test al, al
jne 0x410752
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
push ebx
call fcn.00421be0
push eax
push esi
push str.ssrem_inet_ntop___failed_with_errno__d:__s
push ebp
call fcn.0040d280
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.00410ce0
add esp, 0xc
test al, al
jne 0x4107a7
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
push ebx
call fcn.00421be0
push eax
push esi
push str.ssloc_inet_ntop___failed_with_errno__d:__s
push ebp
call fcn.0040d280
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 0x411050
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 0x41109a
push edi
push str.Failed_to_set_SO_KEEPALIVE_on_fd__d_n
push esi
call fcn.0040d350
add esp, 0xc
pop edi
pop esi
add esp, 0x10
ret
push dword [esi + 0x39c]
mov dword [esp + 0x10], 1
call fcn.0041bd50
push dword [esi + 0x3a0]
imul eax, eax, 0x3e8
mov dword [esp + 0x24], eax
mov dword [esp + 0x18], eax
call fcn.0041bd50
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 0x411111
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.0040d350
add esp, 0x10
pop edi
pop esi
add esp, 0x10
ret

Function at 0x411120
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 0x41116b
call dword [sym.imp.WSOCK32.DLL_WSAGetLastError]
push eax
push edi
call fcn.00421be0
push eax
push str.Could_not_set_TCP_NODELAY:__s_n
push esi
call fcn.0040d350
add esp, 0x14
pop edi
pop esi
ret
push str.TCP_NODELAY_set_n
push esi
call fcn.0040d350
add esp, 8
pop edi
pop esi
ret
Function at 0x417f50
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 0x418001
mov cl, byte [edi]
test cl, cl
je 0x418001
movsx eax, bl
add eax, 0xffffff9f
cmp eax, 0x19
ja case.default.0x417f7a
jmp dword [eax*4 + 0x418028]
mov bl, 0x41
jmp case.default.0x417f7a
mov bl, 0x42
jmp case.default.0x417f7a
mov bl, 0x43
jmp case.default.0x417f7a
mov bl, 0x44
jmp case.default.0x417f7a
mov bl, 0x45
jmp case.default.0x417f7a
mov bl, 0x46
jmp case.default.0x417f7a
mov bl, 0x47
jmp case.default.0x417f7a
mov bl, 0x48
jmp case.default.0x417f7a
mov bl, 0x49
jmp case.default.0x417f7a
mov bl, 0x4a
jmp case.default.0x417f7a
mov bl, 0x4b
jmp case.default.0x417f7a
mov bl, 0x4c
jmp case.default.0x417f7a
mov bl, 0x4d
jmp case.default.0x417f7a
mov bl, 0x4e
jmp case.default.0x417f7a
mov bl, 0x4f
jmp case.default.0x417f7a
mov bl, 0x50
jmp case.default.0x417f7a
mov bl, 0x51
jmp case.default.0x417f7a
mov bl, 0x52
jmp case.default.0x417f7a
mov bl, 0x53
jmp case.default.0x417f7a
mov bl, 0x54
jmp case.default.0x417f7a
mov bl, 0x55
jmp case.default.0x417f7a
mov bl, 0x56
jmp case.default.0x417f7a
mov bl, 0x57
jmp case.default.0x417f7a
mov bl, 0x58
jmp case.default.0x417f7a
mov bl, 0x59
jmp case.default.0x417f7a
mov bl, 0x5a
push ecx
call fcn.00418200
add esp, 4
cmp bl, al
jne 0x418001
mov bl, byte [esi + 1]
inc esi
inc edi
test bl, bl
jne 0x417f65
movzx eax, byte [esi]
push eax
call fcn.00418200
movzx ecx, byte [edi]
mov bl, al
push ecx
call fcn.00418200
add esp, 8
xor ecx, ecx
cmp bl, al
sete cl
pop edi
pop esi
mov eax, ecx
pop ebx
ret
Function at 0x418090
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 0x418156
lea ebx, [ebx]
mov cl, byte [ebp]
test cl, cl
je 0x418156
test esi, esi
je 0x41815a
movsx eax, bl
add eax, 0xffffff9f
cmp eax, 0x19
ja case.default.0x4180ce
jmp dword [eax*4 + 0x41818c]
mov bl, 0x41
jmp case.default.0x4180ce
mov bl, 0x42
jmp case.default.0x4180ce
mov bl, 0x43
jmp case.default.0x4180ce
mov bl, 0x44
jmp case.default.0x4180ce
mov bl, 0x45
jmp case.default.0x4180ce
mov bl, 0x46
jmp case.default.0x4180ce
mov bl, 0x47
jmp case.default.0x4180ce
mov bl, 0x48
jmp case.default.0x4180ce
mov bl, 0x49
jmp case.default.0x4180ce
mov bl, 0x4a
jmp case.default.0x4180ce
mov bl, 0x4b
jmp case.default.0x4180ce
mov bl, 0x4c
jmp case.default.0x4180ce
mov bl, 0x4d
jmp case.default.0x4180ce
mov bl, 0x4e
jmp case.default.0x4180ce
mov bl, 0x4f
jmp case.default.0x4180ce
mov bl, 0x50
jmp case.default.0x4180ce
mov bl, 0x51
jmp case.default.0x4180ce
mov bl, 0x52
jmp case.default.0x4180ce
mov bl, 0x53
jmp case.default.0x4180ce
mov bl, 0x54
jmp case.default.0x4180ce
mov bl, 0x55
jmp case.default.0x4180ce
mov bl, 0x56
jmp case.default.0x4180ce
mov bl, 0x57
jmp case.default.0x4180ce
mov bl, 0x58
jmp case.default.0x4180ce
mov bl, 0x59
jmp case.default.0x4180ce
mov bl, 0x5a
push ecx
call fcn.00418200
add esp, 4
cmp bl, al
jne 0x418156
mov bl, byte [edi + 1]
inc edi
dec esi
inc ebp
test bl, bl
jne 0x4180b0
test esi, esi
jne 0x418164
pop edi
pop esi
pop ebp
mov eax, 1
pop ebx
ret
movzx eax, byte [edi]
push eax
call fcn.00418200
movzx ecx, byte [ebp]
mov bl, al
push ecx
call fcn.00418200
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 0x418200
Capabilities:
Parse pe header

Disassembly:
mov cl, byte [esp + 4]
movsx eax, cl
add eax, 0xffffff9f
cmp eax, 0x19
ja case.default.0x41820f
jmp dword [eax*4 + 0x418268]
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 0x4182d0
Capabilities:
Parse pe header

Disassembly:
push esi
mov esi, dword [esp + 0x10]
cmp esi, 1
jb 0x41837c
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.0x4182fd
jmp dword [eax*4 + 0x418380]
mov cl, 0x41
jmp case.default.0x4182fd
mov cl, 0x42
jmp case.default.0x4182fd
mov cl, 0x43
jmp case.default.0x4182fd
mov cl, 0x44
jmp case.default.0x4182fd
mov cl, 0x45
jmp case.default.0x4182fd
mov cl, 0x46
jmp case.default.0x4182fd
mov cl, 0x47
jmp case.default.0x4182fd
mov cl, 0x48
jmp case.default.0x4182fd
mov cl, 0x49
jmp case.default.0x4182fd
mov cl, 0x4a
jmp case.default.0x4182fd
mov cl, 0x4b
jmp case.default.0x4182fd
mov cl, 0x4c
jmp case.default.0x4182fd
mov cl, 0x4d
jmp case.default.0x4182fd
mov cl, 0x4e
jmp case.default.0x4182fd
mov cl, 0x4f
jmp case.default.0x4182fd
mov cl, 0x50
jmp case.default.0x4182fd
mov cl, 0x51
jmp case.default.0x4182fd
mov cl, 0x52
jmp case.default.0x4182fd
mov cl, 0x53
jmp case.default.0x4182fd
mov cl, 0x54
jmp case.default.0x4182fd
mov cl, 0x55
jmp case.default.0x4182fd
mov cl, 0x56
jmp case.default.0x4182fd
mov cl, 0x57
jmp case.default.0x4182fd
mov cl, 0x58
jmp case.default.0x4182fd
mov cl, 0x59
jmp case.default.0x4182fd
mov cl, 0x5a
mov byte [edi + edx], cl
mov al, byte [edx]
inc edx
test al, al
je 0x41837b
dec esi
jne 0x4182f0
pop edi
pop esi
ret
Function at 0x41dde0
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 0x41de29
push 0x104
lea ecx, [esp + 4]
push ecx
push eax
call dword [sym.imp.KERNEL32.dll_ExpandEnvironmentStringsA]
cmp byte [esp], 0
je 0x41de29
lea eax, [esp]
push eax
call dword [0x430150]
add esp, 4
add esp, 0x104
ret
xor eax, eax
add esp, 0x104
ret
Function at 0x422c70
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 0x422e03
push ebx
push edi
mov edi, dword [esp + 0x10]
test edi, edi
je 0x422ded
push esi
mov eax, dword [edi + 4]
cmp eax, 2
jne 0x422cbf
lea ebx, [eax + 0xe]
jmp 0x422ccb
cmp eax, 0x17
jne 0x422d7a
lea ebx, [eax + 5]
cmp dword [edi + 0x18], 0
je 0x422d7a
mov eax, dword [edi + 0x10]
test eax, eax
je 0x422d7a
cmp eax, ebx
jb 0x422d7a
push 0x20
call dword [0x430144]
mov esi, eax
add esp, 4
test esi, esi
je 0x422de2
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 [0x430144]
add esp, 4
mov dword [esi + 0x18], eax
test eax, eax
je 0x422dd1
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 0x422d65
push eax
call dword [0x430150]
add esp, 4
mov dword [esi + 0x14], eax
test eax, eax
je 0x422db7
test ebp, ebp
jne 0x422d6b
mov ebp, esi
mov eax, dword [esp + 0x10]
test eax, eax
je 0x422d76
mov dword [eax + 0x1c], esi
mov dword [esp + 0x10], esi
mov edi, dword [edi + 0x1c]
test edi, edi
jne 0x422cb2
mov ebx, dword [esp + 0x18]
mov eax, dword [esp + 0x14]
pop esi
test eax, eax
je 0x422d99
push eax
call dword [sym.imp.WS2_32.DLL_freeaddrinfo]
test ebx, ebx
je 0x422de9
push ebp
call fcn.00422c30
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 [0x430148]
push esi
call dword [0x430148]
add esp, 8
jmp 0x422d89
push esi
mov ebx, 8
call dword [0x430148]
add esp, 4
jmp 0x422d89
mov ebx, 8
jmp 0x422d89
test ebp, ebp
jne 0x422df9
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 0x423250
Capabilities:
Create udp socket

Disassembly:
mov eax, dword [esp + 4]
cmp dword [eax + 0x264], 2
je fcn.00423200
mov al, 1
ret
Function at 0x428673
Capabilities:
Create thread

Disassembly:
push ecx
push ebx
push ebp
push esi
push edi
xor ebp, ebp
mov edi, ebp
call dword [sym.imp.KERNEL32.dll_GetCurrentThreadId]
mov ebx, eax
mov esi, 0x4310f8
cmp dword [0x4310f4], edi
jne 0x4286a2
push esi
call dword [sym.imp.KERNEL32.dll_InitializeCriticalSection]
mov dword [0x4310f4], 1
push esi
call dword [sym.imp.KERNEL32.dll_EnterCriticalSection]
mov esi, dword [0x4310f0]
test esi, esi
je 0x4286fd
test edi, edi
jne 0x428844
xor eax, eax
lea ecx, [esi + 0x114]
inc eax
cmp ebx, dword [ecx]
je 0x4286d3
inc eax
add ecx, 4
cmp eax, 0x40
jl 0x4286c4
jmp 0x4286ef
push dword [esp + 0x1c]
add eax, 0x84
push dword [esp + 0x1c]
lea eax, [esi + eax*4]
push eax
call fcn.0042861c
xor edi, edi
add esp, 0xc
inc edi
mov esi, dword [esi]
test esi, esi
jne 0x4286b3
test edi, edi
jne 0x428844
mov esi, dword [sym.imp.KERNEL32.dll_GetCurrentProcess]
lea eax, [esp + 0x10]
push ebp
push ebp
push 0x100000
push eax
call esi
push eax
call dword [sym.imp.KERNEL32.dll_GetCurrentThread]
push eax
call esi
push eax
call dword [sym.imp.KERNEL32.dll_DuplicateHandle]
test eax, eax
je 0x428844
mov esi, dword [0x4310f0]
jmp 0x42873e
cmp dword [esi + 0xc], 0x3f
jl 0x4287df
mov esi, dword [esi]
test esi, esi
jne 0x428732
push 0x310
push 8
push dword [0x431040]
call dword [sym.imp.KERNEL32.dll_HeapAlloc]
mov edi, dword [sym.imp.KERNEL32.dll_CloseHandle]
mov esi, eax
test esi, esi
je 0x42883e
push ebp
push 1
push ebp
push ebp
call dword [sym.imp.KERNEL32.dll_CreateSemaphoreA]
mov dword [esi + 8], eax
test eax, eax
je 0x428830
push ebp
push ebp
push esi
mov dword [esi + 0x10], eax
mov eax, dword [esp + 0x1c]
push 0x428857
mov dword [esi + 0x114], ebx
lea ebx, [esi + 0x214]
push 0x1000
mov dword [esi + 0x14], eax
mov dword [ebx], ebp
push ebp
mov dword [esi + 0xc], 2
call dword [sym.imp.KERNEL32.dll_CreateThread]
test eax, eax
je 0x42882b
push eax
call edi
push dword [esp + 0x1c]
push dword [esp + 0x1c]
push ebx
call fcn.0042861c
mov eax, dword [0x4310f0]
add esp, 0xc
mov dword [esi + 4], ebp
mov dword [esi], eax
test eax, eax
je 0x4287d7
mov dword [eax + 4], esi
mov dword [0x4310f0], esi
jmp 0x428844
mov ecx, dword [esi + 0xc]
mov eax, dword [esp + 0x10]
push dword [esp + 0x1c]
push dword [esp + 0x1c]
mov dword [esi + ecx*4 + 0x10], eax
mov eax, dword [esi + 0xc]
mov dword [esi + eax*4 + 0x110], ebx
mov eax, dword [esi + 0xc]
mov dword [esi + eax*4 + 0x210], ebp
mov eax, dword [esi + 0xc]
add eax, 0x84
lea eax, [esi + eax*4]
push eax
call fcn.0042861c
add esp, 0xc
inc dword [esi + 0xc]
push ebp
push 1
push dword [esi + 8]
call dword [sym.imp.KERNEL32.dll_ReleaseSemaphore]
jmp 0x428844
push dword [esi + 8]
call edi
push esi
push ebp
push dword [0x431040]
call dword [sym.imp.KERNEL32.dll_HeapFree]
push dword [esp + 0x10]
call edi
push 0x4310f8
call dword [sym.imp.KERNEL32.dll_LeaveCriticalSection]
pop edi
pop esi
pop ebp
pop ebx
pop ecx
ret 8
Function at 0x433005
Capabilities:
Encode data using xor
Packed with generic packer

Disassembly:
pushal
mov eax, section..text
nop
nop
push 4
nop
nop
nop
pop edi
nop
nop
nop
nop
nop
nop
nop
nop
cmp eax, 0
nop
je 0x433072
nop
nop
nop
nop
mov ebx, 0x40de38
nop
mov ecx, ebx
nop
nop
nop
nop
nop
sub ecx, eax
nop
nop
nop
nop
nop
xor edx, edx
nop
nop
nop
nop
nop
nop
push eax
nop
nop
nop
nop
mov eax, ecx
div edi
nop
nop
nop
nop
nop
nop
xchg ecx, eax
nop
nop
nop
pop eax
nop
nop
nop
nop
nop
nop
mov esi, 0x1f313cd
nop
nop
nop
nop
xor dword [eax], esi
add eax, edi
nop
nop
nop
nop
nop
nop
nop
nop
loop 0x433060
nop
mov eax, section..data
nop
nop
cmp eax, 0
nop
nop
je 0x4330d2
nop
nop
nop
mov ebx, 0x4304d8
nop
nop
mov ecx, ebx
nop
nop
nop
nop
sub ecx, eax
nop
nop
nop
nop
nop
xor edx, edx
nop
nop
nop
nop
nop
nop
push eax
nop
nop
mov eax, ecx
nop
nop
nop
nop
div edi
nop
nop
nop
nop
nop
nop
nop
nop
xchg ecx, eax
nop
nop
nop
nop
pop eax
nop
nop
mov esi, 0x1bb11c5f
xor dword [eax], esi
nop
nop
nop
nop
nop
nop
add eax, edi
nop
nop
loop 0x4330c0
nop
nop
nop
nop
nop
nop
nop
nop
popal
nop
jmp 0x431219