joyce8/EMBER2024-capa huggingface dataset:
Function at 0x100bdd70
Capabilities:
Encode data using xor
Hash data using djb2

Disassembly:
sub esp, 0x18
mov eax, dword [0x10155700]
xor eax, esp
mov dword [esp + 0x14], eax
push esi
mov esi, dword [esp + 0x20]
test esi, esi
je 0x100bde3b
lea eax, [esp + 4]
push eax
push esi
push 2
call fcn.100d78d0
add esp, 0xc
test eax, eax
jne 0x100bde3b
lea eax, [esp + 8]
push eax
push esi
push 0x17
call fcn.100d78d0
add esp, 0xc
test eax, eax
jne 0x100bde3b
push ebx
push edi
mov edi, esi
xor ebx, ebx
lea ecx, [edi + 1]
mov al, byte [edi]
inc edi
test al, al
jne 0x100bddc4
sub edi, ecx
push edi
push 0x2e
push esi
call fcn.100d78a0
add esp, 0xc
test eax, eax
je 0x100bddf8
sub eax, esi
push eax
push 0x2e
push esi
call fcn.100d78a0
mov ebx, eax
add esp, 0xc
test ebx, ebx
je 0x100bddfa
inc ebx
mov ecx, esi
sub ecx, ebx
add edi, ecx
test ebx, ebx
cmovne esi, ebx
mov ebx, 0x1505
add edi, esi
cmp esi, edi
jae 0x100bde26
mov al, byte [esi]
push eax
call fcn.100cab30
movsx ecx, al
inc esi
mov eax, ebx
add esp, 4
shl eax, 5
add eax, ebx
xor ecx, eax
mov ebx, ecx
cmp esi, edi
jb 0x100bde08
pop edi
movzx eax, bl
pop ebx
pop esi
mov ecx, dword [esp + 0x14]
xor ecx, esp
call fcn.100b18d1
add esp, 0x18
ret
mov ecx, dword [esp + 0x18]
xor eax, eax
pop esi
xor ecx, esp
call fcn.100b18d1
add esp, 0x18
ret
Function at 0x100c7b70
Capabilities:
Write file on windows

Disassembly:
push esi
push edi
mov edi, dword [esp + 0xc]
cmp dword [edi + 0x608], 0
je 0x100c7bb4
push 1
push edi
call fcn.100b9a70
push dword [edi + 0x59c]
mov eax, dword [edi + 0x608]
push dword [esp + 0x24]
push dword [esp + 0x24]
push dword [esp + 0x24]
push edi
call eax
push 0
push edi
mov esi, eax
call fcn.100b9a70
add esp, 0x24
mov eax, esi
pop edi
pop esi
ret
mov edx, dword [esp + 0x10]
mov ecx, edx
sub ecx, 0
je 0x100c7bc9
sub ecx, 1
je 0x100c7bc9
sub ecx, 1
jne 0x100c7bfa
push dword [edi + 0x598]
mov esi, dword [sym.imp.api_ms_win_crt_stdio_l1_1_0.dll_fwrite]
lea eax, [edx*2 + 0x1011f448]
push 1
add eax, edx
push 2
push eax
call esi
push dword [edi + 0x598]
push 1
push dword [esp + 0x30]
push dword [esp + 0x30]
call esi
add esp, 0x20
pop edi
xor eax, eax
pop esi
ret

Function at 0x100c8300
Capabilities:
Receive data
Receive data on socket
Send data
Send data on socket

Disassembly:
sub esp, 0x10c
mov eax, dword [0x10155700]
xor eax, esp
mov dword [esp + 0x108], eax
mov eax, dword [esp + 0x118]
mov edx, dword [esp + 0x114]
push ebx
mov ebx, dword [esp + 0x114]
mov dword [esp + 8], eax
xor eax, eax
push ebp
mov ebp, dword [esp + 0x128]
mov ecx, dword [ebx + 0x424]
cmp edx, ecx
push esi
sete al
mov esi, 0x448
push edi
lea eax, [eax*4 + 0x420]
mov eax, dword [eax + ebx]
mov dword [esp + 0x10], eax
mov eax, 0x458
cmove esi, eax
mov eax, dword [ebx + 0x548]
add esi, ebx
mov edi, dword [esi + 4]
sub edi, dword [esi + 8]
test byte [eax + 0x40], 3
je 0x100c840e
xor eax, eax
cmp edx, ecx
sete al
lea eax, [eax*4 + 0x438]
cmp dword [eax + ebx], 0x100c7ec0
jne 0x100c840e
cmp dword [esi], 0
je 0x100c8398
test edi, edi
je 0x100c840e
push 0
push 0
push 0xffffffffffffffff
push 0xffffffffffffffff
push dword [esp + 0x20]
call fcn.100d6080
add esp, 0x14
cmp eax, 0xffffffff
je 0x100c840e
test al, 1
je 0x100c840e
mov ecx, dword [esi]
test ecx, ecx
jne 0x100c83eb
mov eax, dword [ebx]
mov eax, dword [eax + 0x90c]
add eax, eax
push eax
mov dword [esi + 4], eax
call dword [0x10155780]
mov edi, dword [esi + 4]
mov ecx, eax
add esp, 4
mov dword [esi], ecx
mov dword [esi + 8], 0
mov dword [esi + 0xc], 0
test ecx, ecx
je 0x100c8407
mov eax, dword [esi + 8]
push 0
push edi
add eax, ecx
push eax
push dword [esp + 0x1c]
call dword [sym.imp.WS2_32.dll_recv]
test eax, eax
jle 0x100c840e
add dword [esi + 8], eax
jmp 0x100c840e
mov dword [esi + 4], 0
push 0
push dword [esp + 0x130]
push dword [esp + 0x1c]
push dword [esp + 0x1c]
call dword [sym.imp.WS2_32.dll_send]
mov edi, eax
cmp edi, 0xffffffff
jne 0x100c8477
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov esi, eax
cmp esi, 0x2733
jne 0x100c8448
mov dword [ebp], 0
lea eax, [edi + 0x52]
jmp 0x100c847c
push 0x100
lea eax, [esp + 0x1c]
push eax
push esi
call fcn.100b3c30
push eax
push str.Send_failure:__s
push dword [ebx]
call fcn.100c7c00
mov eax, dword [ebx]
add esp, 0x18
mov dword [eax + 0xd44], esi
mov eax, 0x37
jmp 0x100c8479
xor eax, eax
mov dword [ebp], edi
mov ecx, dword [esp + 0x118]
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.100b18d1
add esp, 0x10c
ret
Function at 0x100c88b0
Capabilities:
Receive data
Receive data on socket

Disassembly:
mov eax, dword [esp + 4]
cmp byte [eax + 0x474], 0
je 0x100c88cd
push eax
call fcn.100c2150
add esp, 4
test eax, eax
jne 0x100c88ec
xor al, al
ret
mov eax, dword [eax + 0x420]
cmp eax, 0xffffffff
je 0x100c88ca
push 2
push 1
lea ecx, [esp + 0xc]
push ecx
push eax
call dword [sym.imp.WS2_32.dll_recv]
test eax, eax
je 0x100c88ca
mov al, 1
ret
Function at 0x100ca610
Capabilities:
Get common file path

Disassembly:
push ecx
push ebx
push edi
push str.kernel32
xor edi, edi
call dword [sym.imp.KERNEL32.dll_GetModuleHandleA]
mov ebx, eax
test ebx, ebx
jne 0x100ca62a
pop edi
pop ebx
pop ecx
ret
push ebp
push esi
push str.LoadLibraryExA
push ebx
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
mov esi, dword [esp + 0x18]
mov ebp, eax
push 0x1011f8bc
push esi
call dword [sym.imp.api_ms_win_crt_string_l1_1_0.dll_strpbrk]
add esp, 8
test eax, eax
je 0x100ca673
test ebp, ebp
je 0x100ca664
push 8
push 0
push esi
call ebp
pop esi
pop ebp
mov edi, eax
pop edi
pop ebx
pop ecx
ret
push esi
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
pop esi
pop ebp
mov edi, eax
pop edi
pop ebx
pop ecx
ret
test ebp, ebp
je 0x100ca699
push str.AddDllDirectory
push ebx
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
test eax, eax
je 0x100ca699
push 0x800
push 0
push esi
call ebp
pop esi
pop ebp
mov edi, eax
pop edi
pop ebx
pop ecx
ret
push 0
push 0
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryA]
mov edx, eax
mov dword [esp + 0x10], edx
test edx, edx
je 0x100ca74f
mov ecx, esi
lea ebx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x100ca6b6
sub ecx, ebx
lea eax, [edx + 1]
add eax, ecx
push eax
call dword [0x10155780]
mov ebx, eax
add esp, 4
test ebx, ebx
je 0x100ca745
push dword [esp + 0x10]
push ebx
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryA]
test eax, eax
je 0x100ca745
mov ecx, ebx
lea edx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x100ca6e8
sub ecx, edx
mov eax, 0x5c
mov word [ecx + ebx], ax
mov ecx, ebx
lea edx, [ecx + 1]
nop
mov al, byte [ecx]
inc ecx
test al, al
jne 0x100ca700
sub ecx, edx
sub ecx, esi
add ecx, ebx
nop dword [eax]
mov al, byte [esi]
lea esi, [esi + 1]
mov byte [ecx + esi - 1], al
test al, al
jne 0x100ca710
test ebp, ebp
je 0x100ca73c
push 8
push 0
push ebx
call ebp
push ebx
mov edi, eax
call dword [0x10155784]
add esp, 4
mov eax, edi
pop esi
pop ebp
pop edi
pop ebx
pop ecx
ret
push ebx
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
mov edi, eax
push ebx
call dword [0x10155784]
add esp, 4
pop esi
pop ebp
mov eax, edi
pop edi
pop ebx
pop ecx
ret
Function at 0x100ce740
Capabilities:
Create udp socket

Disassembly:
mov eax, dword [esp + 4]
test eax, eax
je 0x100ce754
mov eax, dword [eax]
mov eax, dword [eax + 0x78]
mov al, byte [eax + 0xe7]
ret
push 0
push 2
push 0x17
call dword [sym.imp.WS2_32.dll_socket]
cmp eax, 0xffffffff
jne 0x100ce768
xor al, al
ret
push eax
push 0
call fcn.100c87e0
add esp, 8
mov al, 1
ret
Function at 0x100d45a0
Capabilities:
Act as tcp client
Connect socket
Connect tcp socket
Connect udp socket
Create tcp socket
Create udp socket
Get local ipv4 addresses
Get socket information
Receive data
Receive data on socket
Send data
Send data on socket
Set socket configuration
Start tcp server

Disassembly:
sub esp, 0x34
mov eax, dword [0x10155700]
xor eax, esp
mov dword [esp + 0x30], eax
push ebx
mov ebx, dword [esp + 0x48]
push esi
mov esi, dword [sym.imp.WS2_32.dll_socket]
push edi
push 6
push 1
push 2
mov dword [esp + 0x1c], 0x10
mov dword [esp + 0x18], 1
call esi
mov edi, eax
cmp edi, 0xffffffff
je 0x100d4786
xorps xmm0, xmm0
mov eax, 2
push 0x7f000001
movlpd qword [esp + 0x20], xmm0
mov word [esp + 0x18], ax
call dword [sym.imp.WS2_32.dll_htonl]
mov dword [esp + 0x18], eax
xor eax, eax
push 4
mov word [esp + 0x1a], ax
lea eax, [esp + 0x10]
push eax
push 4
push 0xffff
push edi
mov dword [ebx + 4], 0xffffffff
mov dword [ebx], 0xffffffff
call dword [sym.imp.WS2_32.dll_setsockopt]
cmp eax, 0xffffffff
je 0x100d4774
push 0x10
lea eax, [esp + 0x18]
push eax
push edi
call dword [sym.imp.WS2_32.dll_bind]
cmp eax, 0xffffffff
je 0x100d4774
lea eax, [esp + 0x10]
push eax
lea eax, [esp + 0x18]
push eax
push edi
call dword [sym.imp.WS2_32.dll_getsockname]
cmp eax, 0xffffffff
je 0x100d4774
push 1
push edi
call dword [sym.imp.WS2_32.dll_listen]
cmp eax, 0xffffffff
je 0x100d4774
push 0
push 1
push 2
call esi
mov dword [ebx], eax
cmp eax, 0xffffffff
je 0x100d4774
push 0x10
lea ecx, [esp + 0x18]
push ecx
push eax
call dword [sym.imp.WS2_32.dll_connect]
cmp eax, 0xffffffff
je 0x100d4774
push 0
push 0
push edi
call dword [sym.imp.WS2_32.dll_accept]
mov dword [ebx + 4], eax
cmp eax, 0xffffffff
je 0x100d4774
push ebx
push 0x10121100
lea eax, [esp + 0x2c]
push 0xc
push eax
call fcn.100b7bc0
lea esi, [esp + 0x34]
add esp, 0x10
lea ecx, [esi + 1]
mov al, byte [esi]
inc esi
test al, al
jne 0x100d46d2
push 0
sub esi, ecx
lea eax, [esp + 0x28]
push esi
push eax
push dword [ebx]
call dword [sym.imp.WS2_32.dll_send]
cmp eax, esi
jne 0x100d4774
push 0
push 0xc
lea eax, [esp + 0x38]
push eax
push dword [ebx + 4]
call dword [sym.imp.WS2_32.dll_recv]
cmp eax, esi
jne 0x100d4774
lea ecx, [esp + 0x24]
lea edx, [esp + 0x30]
sub esi, 4
jb 0x100d4727
mov eax, dword [ecx]
cmp eax, dword [edx]
jne 0x100d472c
add ecx, 4
add edx, 4
sub esi, 4
jae 0x100d4716
cmp esi, 0xfffffffc
je 0x100d4759
mov al, byte [ecx]
cmp al, byte [edx]
jne 0x100d4774
cmp esi, 0xfffffffd
je 0x100d4759
mov al, byte [ecx + 1]
cmp al, byte [edx + 1]
jne 0x100d4774
cmp esi, 0xfffffffe
je 0x100d4759
mov al, byte [ecx + 2]
cmp al, byte [edx + 2]
jne 0x100d4774
cmp esi, 0xffffffff
je 0x100d4759
mov al, byte [ecx + 3]
cmp al, byte [edx + 3]
jne 0x100d4774
push edi
call dword [sym.imp.WS2_32.dll_closesocket]
pop edi
pop esi
xor eax, eax
pop ebx
mov ecx, dword [esp + 0x30]
xor ecx, esp
call fcn.100b18d1
add esp, 0x34
ret
mov esi, dword [sym.imp.WS2_32.dll_closesocket]
push edi
call esi
push dword [ebx]
call esi
push dword [ebx + 4]
call esi
mov ecx, dword [esp + 0x3c]
or eax, 0xffffffff
pop edi
pop esi
pop ebx
xor ecx, esp
call fcn.100b18d1
add esp, 0x34
ret
Function at 0x100d8620
Capabilities:
Resolve dns

Disassembly:
sub esp, 0xc
mov eax, dword [esp + 0x1c]
push esi
xor esi, esi
mov dword [esp + 4], esi
mov dword [eax], esi
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 0x100d87d2
push ebx
mov ebx, dword [esp + 0xc]
push edi
test ebx, ebx
je 0x100d87bc
push ebp
mov eax, dword [ebx + 4]
cmp eax, 2
jne 0x100d866f
lea ebp, [eax + 0xe]
jmp 0x100d867b
cmp eax, 0x17
jne 0x100d8729
lea ebp, [eax + 5]
cmp dword [ebx + 0x18], 0
je 0x100d8729
mov eax, dword [ebx + 0x10]
test eax, eax
je 0x100d8729
cmp eax, ebp
jb 0x100d8729
push 0x20
call dword [0x10155780]
mov edi, eax
add esp, 4
test edi, edi
je 0x100d87b1
mov ecx, dword [ebx]
mov dword [edi], ecx
mov ecx, dword [ebx + 4]
mov dword [edi + 4], ecx
mov ecx, dword [ebx + 8]
mov dword [edi + 8], ecx
mov eax, dword [ebx + 0xc]
push ebp
mov dword [edi + 0xc], eax
mov dword [edi + 0x10], ebp
mov dword [edi + 0x18], 0
mov dword [edi + 0x14], 0
mov dword [edi + 0x1c], 0
call dword [0x10155780]
add esp, 4
mov dword [edi + 0x18], eax
test eax, eax
je 0x100d87a0
push ebp
push dword [ebx + 0x18]
push eax
call sub.VCRUNTIME140.dll_memcpy
mov eax, dword [ebx + 0x14]
add esp, 0xc
test eax, eax
je 0x100d8715
push eax
call dword [0x1015578c]
add esp, 4
mov dword [edi + 0x14], eax
test eax, eax
je 0x100d8786
mov eax, dword [esp + 0x10]
test esi, esi
cmove esi, edi
test eax, eax
je 0x100d8725
mov dword [eax + 0x1c], edi
mov dword [esp + 0x10], edi
mov ebx, dword [ebx + 0x1c]
test ebx, ebx
jne 0x100d8662
mov ebx, dword [esp + 0x18]
mov eax, dword [esp + 0x14]
pop ebp
test eax, eax
je 0x100d8748
push eax
call dword [sym.imp.WS2_32.dll_freeaddrinfo]
test ebx, ebx
je 0x100d87b8
test esi, esi
je 0x100d8775
push dword [esi + 0x18]
call dword [0x10155784]
push dword [esi + 0x14]
call dword [0x10155784]
mov edi, dword [esi + 0x1c]
push esi
call dword [0x10155784]
add esp, 0xc
mov esi, edi
test edi, edi
jne 0x100d8750
mov eax, dword [esp + 0x28]
xor esi, esi
pop edi
mov dword [eax], esi
mov eax, ebx
pop ebx
pop esi
add esp, 0xc
ret
push dword [edi + 0x18]
mov ebx, 8
call dword [0x10155784]
push edi
call dword [0x10155784]
add esp, 8
jmp 0x100d8738
push edi
mov ebx, 8
call dword [0x10155784]
add esp, 4
jmp 0x100d8738
mov ebx, 8
jmp 0x100d8738
test esi, esi
jne 0x100d87c8
mov ebx, 0x2af9
push ebx
call dword [sym.imp.WS2_32.dll_WSASetLastError]
mov eax, dword [esp + 0x28]
pop edi
mov dword [eax], esi
mov eax, ebx
pop ebx
pop esi
add esp, 0xc
ret

Function at 0x100d8c30
Capabilities:
Create thread

Disassembly:
push 0
push 0
push dword [esp + 0x10]
push dword [esp + 0x10]
push 0
push 0
call dword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__beginthreadex]
add esp, 0x18
test eax, eax
je 0x100d8c52
cmp eax, 0xffffffff
jne 0x100d8c54
xor eax, eax
ret
Function at 0x100dc470
Capabilities:
Query environment variable

Disassembly:
push ebx
push ebp
xor ebp, ebp
push esi
push edi
lea esi, [ebp + 1]
push esi
push ebp
call dword [0x10155788]
mov edi, eax
add esp, 8
test edi, edi
je 0x100dc4c7
nop word [eax + eax]
push esi
push edi
push dword [esp + 0x1c]
mov ebp, edi
mov ebx, esi
call dword [sym.imp.KERNEL32.dll_GetEnvironmentVariableA]
mov esi, eax
test esi, esi
je 0x100dc4df
cmp esi, ebx
je 0x100dc4df
cmp esi, 0x8000
ja 0x100dc4df
cmp esi, ebx
jb 0x100dc4d8
push esi
push edi
call dword [0x10155788]
mov edi, eax
add esp, 8
test edi, edi
jne 0x100dc490
push ebp
call dword [0x10155784]
add esp, 4
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
ret
mov eax, edi
pop edi
pop esi
pop ebp
pop ebx
ret
push edi
call dword [0x10155784]
add esp, 4
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
ret

Function at 0x100e1dc0
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
sub esp, 0x88
mov eax, dword [0x10155700]
xor eax, esp
mov dword [esp + 0x84], eax
push ebx
push ebp
push esi
push edi
mov edi, dword [esp + 0x9c]
lea eax, [esp + 0x10]
push eax
lea eax, [esp + 0x18]
mov dword [esp + 0x14], 0x80
push eax
mov ebp, dword [edi + 0x424]
or esi, 0xffffffff
mov ebx, dword [edi]
push ebp
call dword [sym.imp.WS2_32.dll_getsockname]
test eax, eax
jne 0x100e1e22
lea eax, [esp + 0x10]
mov dword [esp + 0x10], 0x80
push eax
lea eax, [esp + 0x18]
push eax
push ebp
call dword [sym.imp.WS2_32.dll_accept]
mov esi, eax
push ebp
push edi
call fcn.100c87e0
add esp, 8
cmp esi, 0xffffffff
jne 0x100e1e46
push str.Error_accept__ing_server_connect
push ebx
call fcn.100c7c00
add esp, 8
mov eax, 0x1e
jmp 0x100e1eb5
push str.Connection_accepted_from_server_n
push ebx
call fcn.100c7ce0
push 1
push esi
mov byte [edi + 0x514], 0
mov dword [edi + 0x424], esi
call fcn.100d47a0
add esp, 0x10
mov byte [edi + 0x7f0], 1
cmp dword [ebx + 0x610], 0
je 0x100e1eb3
push 1
push ebx
call fcn.100b9a70
mov eax, dword [ebx + 0x610]
push 1
push esi
push dword [ebx + 0x614]
call eax
push 0
push ebx
mov esi, eax
call fcn.100b9a70
add esp, 0x1c
test esi, esi
je 0x100e1eb3
push edi
call fcn.100e2350
add esp, 4
mov eax, 0x2a
jmp 0x100e1eb5
xor eax, eax
mov ecx, dword [esp + 0x94]
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.100b18d1
add esp, 0x88
ret
Function at 0x100e92d0
Capabilities:
Send data
Send data on socket

Disassembly:
mov eax, dword [esp + 0xc]
push ebx
mov ebx, dword [esp + 0xc]
push esi
mov esi, dword [esp + 0xc]
push edi
push 0
mov byte [esp + 0x16], al
lea eax, [esp + 0x14]
mov edi, dword [esi]
push 3
push eax
push dword [esi + 0x420]
mov byte [esp + 0x20], 0xff
mov byte [esp + 0x21], bl
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x100e931c
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push edi
call fcn.100c7c00
add esp, 0xc
push dword [esp + 0x18]
push ebx
push str.SENT
push dword [esi]
call fcn.100e8ee0
add esp, 0x10
pop edi
pop esi
pop ebx
ret

Function at 0x100e9460
Capabilities:
Send data
Send data on socket

Disassembly:
push ecx
cmp dword [esp + 0xc], 0x1f
mov eax, dword [esp + 8]
push ebx
mov eax, dword [eax]
mov dword [esp + 4], eax
mov ebx, dword [eax + 0x14c]
jne 0x100e95ae
push ebp
push edi
lea ebp, [ebx + 0x1cb0]
lea edi, [ebx + 0x1eb0]
mov dword [edi], ebp
cmp ebp, edi
jae 0x100e94ae
lea eax, [ebp + 1]
mov byte [ebp], 0xff
mov dword [edi], eax
cmp eax, edi
jae 0x100e94ae
mov byte [eax], 0xfa
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x100e94ae
mov byte [eax], 0x1f
inc dword [edi]
movzx eax, word [ebx + 0x1ca8]
push esi
mov esi, dword [sym.imp.WS2_32.dll_htons]
push eax
call esi
movzx eax, ax
mov dword [esp + 0x1c], eax
movzx eax, word [ebx + 0x1caa]
push eax
call esi
mov edx, dword [esp + 0x1c]
movzx ecx, ax
mov eax, dword [edi]
cmp eax, edi
jae 0x100e9519
mov byte [eax], dl
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x100e9519
mov byte [eax], dh
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x100e9519
mov byte [eax], cl
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x100e9519
shr ecx, 8
mov byte [eax], cl
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x100e9519
mov byte [eax], 0xff
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x100e9519
mov byte [eax], 0xf0
mov eax, dword [edi]
inc eax
mov esi, dword [esp + 0x10]
mov dword [ebx + 0x1eb4], eax
sub eax, ebp
sub eax, 2
mov dword [edi], ebp
push eax
lea eax, [ebx + 0x1cb2]
push eax
push 0x3e
push esi
call fcn.100e8fe0
mov edi, dword [esp + 0x28]
add esp, 0x10
push 0
push 3
push ebp
push dword [edi + 0x420]
call dword [sym.imp.WS2_32.dll_send]
mov ebp, dword [sym.imp.WS2_32.dll_WSAGetLastError]
test eax, eax
jns 0x100e956d
call ebp
push eax
push str.Sending_data_failed___d_
push esi
call fcn.100c7c00
add esp, 0xc
push 4
lea eax, [ebx + 0x1cb3]
push eax
push edi
call fcn.100e9340
add esp, 0xc
lea eax, [ebx + 0x1cb7]
push 0
push 2
push eax
push dword [edi + 0x420]
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x100e95ab
call ebp
push eax
push str.Sending_data_failed___d_
push esi
call fcn.100c7c00
add esp, 0xc
pop esi
pop edi
pop ebp
pop ebx
pop ecx
ret
Function at 0x100fc0c0
Capabilities:
Authenticate hmac
Encode data using xor

Disassembly:
push ecx
push esi
mov esi, dword [esp + 0xc]
push edi
mov ecx, dword [esi + 0xc]
mov eax, dword [esi + 0x14]
lea eax, [eax + ecx*2]
add eax, 0xc
push eax
call dword [0x10155780]
mov edi, eax
add esp, 4
test edi, edi
jne 0x100fc0e7
pop edi
pop esi
pop ecx
ret
lea ecx, [edi + 0xc]
mov dword [edi], esi
mov dword [edi + 4], ecx
mov eax, dword [esi + 0xc]
add eax, ecx
push ebx
mov ebx, dword [esp + 0x1c]
mov dword [edi + 8], eax
push ebp
cmp ebx, dword [esi + 0x10]
jbe 0x100fc132
mov eax, dword [esi]
push ecx
call eax
mov eax, dword [esi + 4]
push ebx
push dword [esp + 0x24]
push dword [edi + 4]
call eax
mov ebp, dword [edi + 8]
push dword [edi + 4]
add ebp, dword [esi + 0xc]
mov eax, dword [esi + 8]
push ebp
call eax
mov ebx, dword [esi + 0x14]
add esp, 0x18
mov ecx, dword [edi + 4]
mov dword [esp + 0x20], ebx
jmp 0x100fc136
mov ebp, dword [esp + 0x1c]
mov eax, dword [esi]
push ecx
call eax
push dword [edi + 8]
mov eax, dword [esi]
call eax
mov eax, dword [esp + 0x28]
add esp, 8
xor ebx, ebx
test eax, eax
je 0x100fc196
mov dword [esp + 0x10], eax
mov ebx, eax
movzx eax, byte [ebp]
xor al, 0x36
mov byte [esp + 0x18], al
lea eax, [esp + 0x18]
push 1
push eax
push dword [edi + 4]
mov eax, dword [esi + 4]
call eax
movzx eax, byte [ebp]
lea ebp, [ebp + 1]
xor al, 0x5c
mov byte [esp + 0x24], al
lea eax, [esp + 0x24]
push 1
push eax
push dword [edi + 8]
mov eax, dword [esi + 4]
call eax
add esp, 0x18
sub ebx, 1
jne 0x100fc155
mov ebx, dword [esp + 0x10]
cmp ebx, dword [esi + 0x10]
jae 0x100fc1c7
nop dword [eax + eax]
mov eax, dword [esi + 4]
push 1
push str.6Unknown_exception
push dword [edi + 4]
call eax
mov eax, dword [esi + 4]
push 1
push 0x10127e3f
push dword [edi + 8]
call eax
inc ebx
add esp, 0x18
cmp ebx, dword [esi + 0x10]
jb 0x100fc1a0
pop ebp
pop ebx
mov eax, edi
pop edi
pop esi
pop ecx
ret
Function at 0x1018d020
Capabilities:
Create thread

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x1010e00d
mov eax, dword fs:[0]
push eax
sub esp, 0x10
push ebx
push esi
push edi
mov eax, dword [0x10155700]
xor eax, ebp
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov esi, ecx
mov dword [ebp - 0x1c], esi
mov dword [ebp - 4], 0
add esi, 8
lea eax, [ebp + 8]
cmp esi, eax
je 0x1018d123
cmp dword [ebp + 0x1c], 0xf
mov ecx, eax
mov edi, dword [ebp + 0x18]
cmova ecx, dword [ebp + 8]
mov ebx, dword [esi + 0x14]
mov dword [ebp - 0x18], ecx
cmp edi, ebx
ja 0x1018d0a2
mov dword [ebp - 0x10], esi
mov eax, esi
cmp ebx, 0xf
jbe 0x1018d088
mov eax, dword [esi]
mov dword [ebp - 0x10], eax
push edi
push ecx
push eax
mov dword [esi + 0x10], edi
call sub.VCRUNTIME140.dll_memmove
mov eax, dword [ebp - 0x10]
add esp, 0xc
mov byte [edi + eax], 0
jmp 0x1018d123
cmp edi, 0x7fffffff
ja 0x1018d167
mov ecx, edi
or ecx, 0xf
cmp ecx, 0x7fffffff
jbe 0x1018d0c2
mov ecx, bind
jmp 0x1018d0e0
mov edx, ebx
mov eax, bind
shr edx, 1
sub eax, edx
cmp ebx, eax
jbe 0x1018d0d8
mov ecx, bind
jmp 0x1018d0e0
lea eax, [edx + ebx]
cmp ecx, eax
cmovb ecx, eax
lea eax, [ebp - 0x10]
mov dword [ebp - 0x10], ecx
push eax
push esi
call fcn.10017f80
mov ecx, dword [ebp - 0x10]
push edi
push dword [ebp - 0x18]
mov dword [ebp - 0x14], eax
push eax
mov dword [esi + 0x10], edi
mov dword [esi + 0x14], ecx
call sub.VCRUNTIME140.dll_memcpy
mov eax, dword [ebp - 0x14]
add esp, 0x14
mov byte [edi + eax], 0
cmp ebx, 0xf
jbe 0x1018d121
push ebx
push dword [esi]
push esi
call fcn.1001b8e0
mov eax, dword [ebp - 0x14]
add esp, 0xc
mov dword [esi], eax
mov esi, dword [ebp - 0x1c]
cmp dword [esi + 0x38], 0
jne 0x1018d144
push 0
push 0
push 0
push 0x1018d170
push 0
push 0
call dword [sym.imp.KERNEL32.dll_CreateThread]
mov dword [esi + 0x38], eax
mov dword [ebp - 4], 0xffffffff
lea ecx, [ebp + 8]
call fcn.1000b760
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0x18
call fcn.10005260
int3