joyce8/EMBER2024-capa huggingface dataset:
Function at 0x10071c90
Capabilities:
Log keystrokes via polling

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x100f1f5d
mov eax, dword fs:[0]
push eax
sub esp, 0x28
mov eax, dword [0x10238634]
xor eax, ebp
mov dword [ebp - 0x10], eax
push ebx
push esi
push edi
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov ebx, dword [ebp + 0xc]
mov eax, dword [ebp + 8]
mov edi, dword [ebp + 0x10]
mov dword [ebp - 0x28], 0
mov dword [ebp - 0x2c], ebx
mov dword [ebp - 0x18], 0
mov dword [ebp - 0x14], 0xf
mov byte [ebp - 0x28], 0
push 0
lea ecx, [ebp - 0x34]
mov dword [ebp - 4], 0
push ecx
push eax
mov dword [ebp - 0x34], 0x431b0000
mov dword [ebp - 0x30], 0x41b00000
call fcn.1006c120
add esp, 0xc
test al, al
je 0x10071d10
mov eax, dword [edi]
mov dword [eax], 1
mov eax, dword [edi]
cmp dword [eax], 0
je 0x10071d52
mov ebx, dword [sym.imp.USER32.dll_GetKeyState]
mov esi, 0x1021a138
push dword [esi]
call ebx
test al, al
jns 0x10071d42
mov ecx, dword [ebp - 0x2c]
mov eax, dword [esi]
mov dword [ecx], eax
mov eax, dword [edi]
mov dword [eax + 4], 1
mov eax, dword [edi]
mov dword [eax], 0
add esi, 4
cmp esi, 0x1021a3d0
jne 0x10071d22
mov eax, dword [edi]
mov ebx, dword [ebp - 0x2c]
cmp dword [eax + 4], 0
jne 0x10071d6e
cmp dword [eax], 0
je 0x10071d6e
push 0x1b
push 0x1021a7e0
lea ecx, [ebp - 0x28]
call fcn.1000b5d0
jmp 0x10071d9c
mov eax, dword [ebx]
mov edx, dword [eax*4 + 0x102367a0]
mov ecx, edx
lea esi, [ecx + 1]
nop dword [eax]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x10071d80
sub ecx, esi
push ecx
push edx
lea ecx, [ebp - 0x28]
call fcn.1000b5d0
mov eax, dword [edi]
mov dword [eax + 4], 0
sub esp, 8
mov dword [esp + 4], 0xbf800000
mov dword [esp], 0
call fcn.1004d440
cmp dword [ebp - 0x14], 0x10
lea eax, [ebp - 0x28]
cmovae eax, dword [ebp - 0x28]
push eax
call fcn.100799d0
mov edx, dword [ebp - 0x14]
add esp, 0xc
cmp edx, 0x10
jb 0x10071dfd
mov ecx, dword [ebp - 0x28]
inc edx
mov eax, ecx
cmp edx, 0x1000
jb 0x10071df3
mov ecx, dword [ecx - 4]
add edx, 0x23
sub eax, ecx
add eax, 0xfffffffc
cmp eax, 0x1f
jbe 0x10071df3
call dword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__invalid_parameter_noinfo_noreturn]
push edx
push ecx
call fcn.100ecec4
add esp, 8
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 0x10]
xor ecx, ebp
call fcn.100ed1ec
mov esp, ebp
pop ebp
ret
Function at 0x1007d350
Capabilities:
Enumerate processes

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x130
mov eax, dword [0x10238634]
xor eax, ebp
mov dword [ebp - 4], eax
mov eax, dword [ebp + 8]
push ebx
push esi
push edi
xor esi, esi
mov dword [ebp - 0x130], eax
push esi
push 2
xor ebx, ebx
call sub.KERNEL32.dll_CreateToolhelp32Snapshot
mov edi, eax
cmp edi, 0xffffffff
jne 0x1007d395
pop edi
pop esi
xor eax, eax
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.100ed1ec
mov esp, ebp
pop ebp
ret
lea eax, [ebp - 0x12c]
mov dword [ebp - 0x12c], 0x128
push eax
push edi
call sub.KERNEL32.dll_Process32First
test eax, eax
je 0x1007d3ed
push dword [ebp - 0x130]
lea eax, [ebp - 0x108]
push eax
call dword [sym.imp.api_ms_win_crt_string_l1_1_0.dll__stricmp]
add esp, 8
test eax, eax
jne 0x1007d3dc
mov eax, dword [ebp - 0x118]
cmp eax, esi
jbe 0x1007d3dc
mov ebx, dword [ebp - 0x124]
mov esi, eax
lea eax, [ebp - 0x12c]
push eax
push edi
call sub.KERNEL32.dll_Process32Next
test eax, eax
jne 0x1007d3b0
push edi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov ecx, dword [ebp - 4]
mov eax, ebx
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.100ed1ec
mov esp, ebp
pop ebp
ret

Function at 0x10084fa0
Capabilities:
Hash data using murmur3
Resolve function by parsing pe exports

Disassembly:
cmp byte [0x1023d3f8], 0
jne 0x10084fae
call fcn.10097250
cmp byte [0x1023d401], 0
je 0x10084fcc
push 0
push 0x40
push dword [esp + 0x10]
push dword [esp + 0x10]
call fcn.100975e0
add esp, 0x10
ret
jmp fcn.10083350
Function at 0x100a3a50
Capabilities:
Encode data using xor
Hash data using djb2

Disassembly:
push esi
mov esi, dword [esp + 8]
test esi, esi
je 0x100a3adc
push esi
call fcn.100b6d60
add esp, 4
test al, al
jne 0x100a3adc
push ebx
push edi
mov edi, esi
xor ebx, ebx
lea ecx, [edi + 1]
mov al, byte [edi]
inc edi
test al, al
jne 0x100a3a73
sub edi, ecx
push edi
push 0x2e
push esi
call fcn.100c0170
add esp, 0xc
test eax, eax
je 0x100a3aa7
sub eax, esi
push eax
push 0x2e
push esi
call fcn.100c0170
mov ebx, eax
add esp, 0xc
test ebx, ebx
je 0x100a3aa9
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 0x100a3ad5
mov al, byte [esi]
push eax
call fcn.100b2080
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 0x100a3ab7
pop edi
movzx eax, bl
pop ebx
pop esi
ret
xor eax, eax
pop esi
ret
Function at 0x100ad960
Capabilities:
Write file on windows

Disassembly:
push edi
mov edi, dword [esp + 8]
cmp byte [edi + 0x6f9], 0
je 0x100ad9f7
cmp dword [edi + 0x1a8], 0
je 0x100ad9b1
push esi
push 1
push edi
call fcn.1009ebc0
push dword [edi + 0x14c]
mov eax, dword [edi + 0x1a8]
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.1009ebc0
add esp, 0x24
mov eax, esi
pop esi
pop edi
ret
mov edx, dword [esp + 0xc]
mov ecx, edx
sub ecx, 0
je 0x100ad9c6
sub ecx, 1
je 0x100ad9c6
sub ecx, 1
jne 0x100ad9f7
push dword [edi + 0x148]
lea eax, [edx*2 + 0x1021f814]
push 1
add eax, edx
push 2
push eax
call sub.api_ms_win_crt_stdio_l1_1_0.dll_fwrite
push dword [edi + 0x148]
push 1
push dword [esp + 0x2c]
push dword [esp + 0x2c]
call sub.api_ms_win_crt_stdio_l1_1_0.dll_fwrite
add esp, 0x20
xor eax, eax
pop edi
ret

Function at 0x100adfa0
Capabilities:
Receive data
Receive data on socket
Send data
Send data on socket

Disassembly:
sub esp, 0x10c
mov eax, dword [0x10238634]
xor eax, esp
mov dword [esp + 0x108], eax
mov eax, dword [esp + 0x118]
push ebx
mov ebx, dword [esp + 0x114]
mov dword [esp + 8], eax
mov eax, dword [esp + 0x124]
mov dword [esp + 4], eax
xor eax, eax
mov ecx, dword [ebx + 0xc]
push ebp
push esi
mov esi, 0x178
mov edx, dword [ecx + 0x154]
cmp dword [esp + 0x120], edx
push edi
sete al
lea eax, [eax*4 + 0x150]
mov ebp, dword [eax + ecx]
mov eax, 0x188
cmove esi, eax
mov eax, dword [ecx + 0x2a8]
add esi, ecx
mov edi, dword [esi + 4]
sub edi, dword [esi + 8]
test byte [eax + 0x44], 3
je 0x100ae0a3
xor eax, eax
cmp dword [esp + 0x124], edx
sete al
lea eax, [eax*4 + 0x168]
cmp dword [eax + ecx], 0x100adc60
jne 0x100ae0a3
cmp dword [esi], 0
je 0x100ae03e
test edi, edi
je 0x100ae0a3
push 0
push 0
push 0xffffffffffffffff
push 0xffffffffffffffff
push ebp
call fcn.100be9f0
add esp, 0x14
cmp eax, 0xffffffff
je 0x100ae0a3
test al, 1
je 0x100ae0a3
mov ecx, dword [esi]
test ecx, ecx
jne 0x100ae08c
mov eax, dword [ebx + 0x4c8]
add eax, eax
push eax
mov dword [esi + 4], eax
call dword [0x1023829c]
mov ecx, eax
add esp, 4
mov dword [esi], ecx
test ecx, ecx
je 0x100ae0d7
mov edi, dword [esi + 4]
mov dword [esi + 8], 0
mov dword [esi + 0xc], 0
mov eax, dword [esi + 8]
push 0
push edi
add eax, ecx
push eax
push ebp
call dword [sym.imp.WS2_32.dll_recv]
test eax, eax
jle 0x100ae0a3
add dword [esi + 8], eax
push 0
push dword [esp + 0x130]
push dword [esp + 0x1c]
push ebp
call dword [sym.imp.WS2_32.dll_send]
mov edi, eax
xor eax, eax
cmp edi, 0xffffffff
jne 0x100ae112
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov esi, eax
cmp esi, 0x2733
jne 0x100ae0e8
xor edi, edi
lea eax, [edi + 0x51]
jmp 0x100ae112
mov ecx, dword [esp + 0x10]
mov eax, 0x1b
mov dword [ecx], 0xffffffff
jmp 0x100ae118
push 0x100
lea eax, [esp + 0x1c]
push eax
push esi
call fcn.10098fc0
push eax
push str.Send_failure:__s
push ebx
call fcn.100ada00
add esp, 0x18
mov dword [ebx + 0x948], esi
mov eax, 0x37
mov ecx, dword [esp + 0x10]
mov dword [ecx], edi
mov ecx, dword [esp + 0x118]
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.100ed1ec
add esp, 0x10c
ret
Function at 0x100ae570
Capabilities:
Receive data
Receive data on socket

Disassembly:
mov eax, dword [esp + 4]
cmp byte [eax + 0x1a4], 0
je 0x100ae58d
push eax
call fcn.100a7f50
add esp, 4
test eax, eax
je 0x100ae5ae
mov al, 1
ret
mov eax, dword [eax + 0x150]
cmp eax, 0xffffffff
je 0x100ae5ae
push 2
push 1
lea ecx, [esp + 0xc]
push ecx
push eax
call dword [sym.imp.WS2_32.dll_recv]
test eax, eax
setne al
ret
xor al, al
ret

Function at 0x100ae800
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
sub esp, 0x188
mov eax, dword [0x10238634]
xor eax, esp
mov dword [esp + 0x184], eax
push ebx
mov ebx, dword [esp + 0x190]
lea eax, [esp + 8]
push esi
mov esi, dword [esp + 0x19c]
push edi
mov edi, dword [esp + 0x1a4]
push 0x80
push 0
push eax
mov dword [esp + 0x18], 0x80
call sub.VCRUNTIME140.dll_memset
add esp, 0xc
lea eax, [esp + 0xc]
push eax
lea eax, [esp + 0x14]
push eax
push dword [esp + 0x1a4]
call dword [sym.imp.WS2_32.dll_getsockname]
test eax, eax
je 0x100ae887
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov esi, eax
lea eax, [esp + 0x90]
push 0x100
push eax
push esi
call fcn.10098fc0
push eax
push esi
push str.getsockname___failed_with_errno__d:__s
jmp 0x100ae8c7
push edi
push esi
push dword [esp + 0x14]
lea eax, [esp + 0x1c]
push eax
call fcn.100ae3f0
add esp, 0x10
test al, al
jne 0x100ae8d0
call sub.api_ms_win_crt_runtime_l1_1_0.dll__errno
mov esi, dword [eax]
call sub.api_ms_win_crt_runtime_l1_1_0.dll__errno
mov edi, eax
lea eax, [esp + 0x90]
push 0x100
push eax
push esi
call fcn.10098fc0
push eax
push dword [edi]
push str.ssloc_inet_ntop___failed_with_errno__d:__s
push ebx
call fcn.100ada00
add esp, 0x1c
mov ecx, dword [esp + 0x190]
pop edi
pop esi
pop ebx
xor ecx, esp
call fcn.100ed1ec
add esp, 0x188
ret

Function at 0x100af040
Capabilities:
Set socket configuration

Disassembly:
sub esp, 0xc
mov eax, dword [0x1023d4ec]
mov dword [esp + 4], 0x4020
mov dword [esp], 0
mov dword [esp + 8], 4
test eax, eax
jne 0x100af091
push 3
push 2
push eax
push eax
push 6
call fcn.100d92e0
add esp, 0x14
test al, al
je 0x100af085
mov dword [0x1023d4ec], 2
add esp, 0xc
ret
mov dword [0x1023d4ec], 1
jmp 0x100af096
cmp eax, 2
je 0x100af0dc
lea eax, [esp + 8]
push eax
lea eax, [esp + 4]
push eax
push 0x1001
push 0xffff
push dword [esp + 0x20]
call dword [sym.imp.WS2_32.dll_getsockopt]
test eax, eax
jne 0x100af0c1
mov eax, dword [esp]
cmp eax, dword [esp + 4]
jg 0x100af0dc
push 4
lea eax, [esp + 8]
push eax
push 0x1001
push 0xffff
push dword [esp + 0x20]
call dword [sym.imp.WS2_32.dll_setsockopt]
add esp, 0xc
ret
Function at 0x100b04f0
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 0x100b050a
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 0x1021fc90
push esi
call sub.api_ms_win_crt_string_l1_1_0.dll_strpbrk
add esp, 8
test eax, eax
je 0x100b0552
test ebp, ebp
je 0x100b0543
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 0x100b0578
push str.AddDllDirectory
push ebx
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
test eax, eax
je 0x100b0578
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 0x100b062f
mov ecx, esi
lea ebx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x100b0595
sub ecx, ebx
lea eax, [ecx + 1]
add eax, edx
push eax
call dword [0x1023829c]
mov ebx, eax
add esp, 4
test ebx, ebx
je 0x100b0625
push dword [esp + 0x10]
push ebx
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryA]
test eax, eax
je 0x100b0625
mov ecx, ebx
lea edx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x100b05c7
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 0x100b05e0
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 0x100b05f0
test ebp, ebp
je 0x100b061c
push 8
push 0
push ebx
call ebp
push ebx
mov edi, eax
call dword [0x102382a0]
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 [0x102382a0]
add esp, 4
pop esi
pop ebp
mov eax, edi
pop edi
pop ebx
pop ecx
ret
Function at 0x100b6d60
Capabilities:
Convert ip address from string

Disassembly:
sub esp, 0x18
mov eax, dword [0x10238634]
xor eax, esp
mov dword [esp + 0x14], eax
push esi
mov esi, dword [esp + 0x20]
lea eax, [esp + 4]
push eax
push esi
push 2
call dword [sym.imp.WS2_32.dll_inet_pton]
test eax, eax
jg 0x100b6da8
lea eax, [esp + 8]
push eax
push esi
push 0x17
call dword [sym.imp.WS2_32.dll_inet_pton]
test eax, eax
pop esi
setg al
mov ecx, dword [esp + 0x14]
xor ecx, esp
call fcn.100ed1ec
add esp, 0x18
ret
mov ecx, dword [esp + 0x18]
mov al, 1
pop esi
xor ecx, esp
call fcn.100ed1ec
add esp, 0x18
ret

Function at 0x100b6ec0
Capabilities:
Create udp socket

Disassembly:
mov eax, dword [esp + 4]
test eax, eax
je 0x100b6ed2
mov eax, dword [eax + 0x70]
mov al, byte [eax + 0xe3]
ret
push 0
push 2
push 0x17
call dword [sym.imp.WS2_32.dll_socket]
cmp eax, 0xffffffff
jne 0x100b6ee6
xor al, al
ret
push eax
call dword [sym.imp.WS2_32.dll_closesocket]
mov al, 1
ret
Function at 0x100c0830
Capabilities:
Move file

Disassembly:
sub esp, 0x20
push ebx
push ebp
push esi
lea eax, [esp + 0xc]
push edi
push eax
call fcn.100b62a0
push dword [esp + 0x38]
movups xmm0, xmmword [eax]
movups xmmword [esp + 0x18], xmm0
call sub.api_ms_win_crt_string_l1_1_0.dll__strdup
push dword [esp + 0x40]
mov edi, eax
call sub.api_ms_win_crt_string_l1_1_0.dll__strdup
mov ebx, dword [sym.imp.KERNEL32.dll_MoveFileExA]
add esp, 0xc
mov esi, eax
push 1
push esi
push edi
call ebx
test eax, eax
jne 0x100c08c5
mov ebp, dword [sym.imp.KERNEL32.dll_Sleep]
nop dword [eax + eax]
lea eax, [esp + 0x20]
push eax
call fcn.100b62a0
movups xmm0, xmmword [esp + 0x14]
sub esp, 0xc
mov ecx, esp
sub esp, 0x10
movups xmmword [ecx], xmm0
mov ecx, esp
movups xmm0, xmmword [eax]
movups xmmword [ecx], xmm0
call fcn.100b6350
add esp, 0x20
test edx, edx
ja 0x100c08e9
jb 0x100c08b7
cmp eax, 0x3e8
ja 0x100c08e9
push 1
call ebp
push 1
push esi
push edi
call ebx
test eax, eax
je 0x100c0880
test edi, edi
je 0x100c08d2
push edi
call fcn.100eef54
add esp, 4
test esi, esi
je 0x100c08df
push esi
call fcn.100eef54
add esp, 4
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x20
ret
test edi, edi
je 0x100c08f6
push edi
call fcn.100eef54
add esp, 4
test esi, esi
je 0x100c0903
push esi
call fcn.100eef54
add esp, 4
pop edi
pop esi
pop ebp
mov eax, 1
pop ebx
add esp, 0x20
ret
Function at 0x100c0a50
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
Set socket configuration
Start tcp server

Disassembly:
sub esp, 0x34
mov eax, dword [0x10238634]
xor eax, esp
mov dword [esp + 0x30], eax
push esi
push edi
mov edi, dword [esp + 0x4c]
push 6
push 1
push 2
mov dword [esp + 0x14], 0x10
mov dword [esp + 0x18], 1
call dword [sym.imp.WS2_32.dll_socket]
mov esi, eax
cmp esi, 0xffffffff
je 0x100c0c42
xorps xmm0, xmm0
mov eax, 2
push 0x7f000001
movlpd qword [esp + 0x24], xmm0
mov word [esp + 0x1c], ax
call dword [sym.imp.WS2_32.dll_htonl]
mov dword [esp + 0x1c], eax
xor eax, eax
push 4
mov word [esp + 0x1e], ax
lea eax, [esp + 0x10]
push eax
push 4
push 0xffff
push esi
mov dword [edi + 4], 0xffffffff
mov dword [edi], 0xffffffff
call dword [sym.imp.WS2_32.dll_setsockopt]
cmp eax, 0xffffffff
je 0x100c0c30
push 0x10
lea eax, [esp + 0x1c]
push eax
push esi
call dword [sym.imp.WS2_32.dll_bind]
cmp eax, 0xffffffff
je 0x100c0c30
lea eax, [esp + 8]
push eax
lea eax, [esp + 0x1c]
push eax
push esi
call dword [sym.imp.WS2_32.dll_getsockname]
cmp eax, 0xffffffff
je 0x100c0c30
cmp dword [esp + 8], 0x10
jl 0x100c0c30
push 1
push esi
call dword [sym.imp.WS2_32.dll_listen]
cmp eax, 0xffffffff
je 0x100c0c30
push 0
push 1
push 2
call dword [sym.imp.WS2_32.dll_socket]
mov dword [edi], eax
cmp eax, 0xffffffff
je 0x100c0c30
push 0x10
lea ecx, [esp + 0x1c]
push ecx
push eax
call dword [sym.imp.WS2_32.dll_connect]
cmp eax, 0xffffffff
je 0x100c0c30
push 1
push esi
call fcn.100d8f30
add esp, 8
test eax, eax
js 0x100c0c30
push 0
push 0x2710
lea eax, [esp + 0x18]
mov dword [esp + 0x18], esi
push 1
push eax
mov dword [esp + 0x24], 0x300
call fcn.100be660
add esp, 0x10
push 0
push 0
push esi
call dword [sym.imp.WS2_32.dll_accept]
mov dword [edi + 4], eax
cmp eax, 0xffffffff
je 0x100c0c30
lea eax, [esp + 8]
mov dword [esp + 8], 0x10
push eax
lea eax, [esp + 0x1c]
push eax
push dword [edi]
call dword [sym.imp.WS2_32.dll_getsockname]
cmp eax, 0xffffffff
je 0x100c0c30
cmp dword [esp + 8], 0x10
jl 0x100c0c30
lea eax, [esp + 8]
mov dword [esp + 8], 0x10
push eax
lea eax, [esp + 0x2c]
push eax
push dword [edi + 4]
call dword [sym.imp.WS2_32.dll_getpeername]
cmp eax, 0xffffffff
je 0x100c0c30
cmp dword [esp + 8], 0x10
jl 0x100c0c30
mov ax, word [esp + 0x18]
cmp ax, word [esp + 0x28]
jne 0x100c0c30
mov eax, dword [esp + 0x1c]
cmp eax, dword [esp + 0x2c]
jne 0x100c0c30
mov ax, word [esp + 0x1a]
cmp ax, word [esp + 0x2a]
jne 0x100c0c30
push esi
call dword [sym.imp.WS2_32.dll_closesocket]
pop edi
xor eax, eax
pop esi
mov ecx, dword [esp + 0x30]
xor ecx, esp
call fcn.100ed1ec
add esp, 0x34
ret
push esi
mov esi, dword [sym.imp.WS2_32.dll_closesocket]
call esi
push dword [edi]
call esi
push dword [edi + 4]
call esi
mov ecx, dword [esp + 0x38]
or eax, 0xffffffff
pop edi
pop esi
xor ecx, esp
call fcn.100ed1ec
add esp, 0x34
ret
Function at 0x100c0c90
Capabilities:
Resolve dns

Disassembly:
sub esp, 0x10
mov eax, dword [esp + 0x20]
push edi
xor edi, edi
mov dword [esp + 0xc], edi
mov dword [eax], edi
lea eax, [esp + 0x10]
push eax
push dword [esp + 0x24]
push dword [esp + 0x24]
push dword [esp + 0x24]
call dword [sym.imp.WS2_32.dll_getaddrinfo]
mov dword [esp + 4], eax
test eax, eax
jne 0x100c0e1f
push esi
mov esi, dword [esp + 0x14]
test esi, esi
je 0x100c0e0a
push ebx
push ebp
mov eax, dword [esi + 0x14]
test eax, eax
je 0x100c0cec
lea edx, [eax + 1]
nop dword [eax]
mov cl, byte [eax]
inc eax
test cl, cl
jne 0x100c0ce0
sub eax, edx
inc eax
jmp 0x100c0cee
xor eax, eax
mov ecx, dword [esi + 4]
mov dword [esp + 0x14], eax
cmp ecx, 2
jne 0x100c0cff
lea ebp, [ecx + 0xe]
jmp 0x100c0d0b
cmp ecx, 0x17
jne 0x100c0dac
lea ebp, [ecx + 5]
cmp dword [esi + 0x18], 0
je 0x100c0dac
mov ecx, dword [esi + 0x10]
test ecx, ecx
je 0x100c0dac
cmp ecx, ebp
jb 0x100c0dac
add eax, 0x20
add eax, ebp
push eax
call dword [0x1023829c]
mov ebx, eax
add esp, 4
test ebx, ebx
je 0x100c0dfb
mov ecx, dword [esi]
mov dword [ebx], ecx
mov ecx, dword [esi + 4]
mov dword [ebx + 4], ecx
mov ecx, dword [esi + 8]
mov dword [ebx + 8], ecx
mov eax, dword [esi + 0xc]
mov dword [ebx + 0xc], eax
lea eax, [ebx + 0x20]
push ebp
mov dword [ebx + 0x10], ebp
mov dword [ebx + 0x14], 0
mov dword [ebx + 0x1c], 0
mov dword [ebx + 0x18], eax
push dword [esi + 0x18]
push eax
call sub.VCRUNTIME140.dll_memcpy
mov ecx, dword [esp + 0x20]
add esp, 0xc
test ecx, ecx
je 0x100c0d98
mov eax, dword [ebx + 0x18]
add eax, ebp
push ecx
mov dword [ebx + 0x14], eax
push dword [esi + 0x14]
push eax
call sub.VCRUNTIME140.dll_memcpy
add esp, 0xc
mov eax, dword [esp + 0x18]
test edi, edi
cmove edi, ebx
test eax, eax
je 0x100c0da8
mov dword [eax + 0x1c], ebx
mov dword [esp + 0x18], ebx
mov esi, dword [esi + 0x1c]
test esi, esi
jne 0x100c0cd2
mov esi, dword [esp + 0x10]
mov eax, dword [esp + 0x1c]
pop ebp
pop ebx
test eax, eax
je 0x100c0dcc
push eax
call dword [sym.imp.WS2_32.dll_freeaddrinfo]
test esi, esi
je 0x100c0e06
test edi, edi
je 0x100c0deb
mov esi, dword [edi + 0x1c]
push edi
call dword [0x102382a0]
add esp, 4
mov edi, esi
test esi, esi
jne 0x100c0dd4
mov esi, dword [esp + 8]
mov eax, dword [esp + 0x28]
xor edi, edi
mov dword [eax], edi
mov eax, esi
pop esi
pop edi
add esp, 0x10
ret
mov esi, 8
mov dword [esp + 0x10], esi
jmp 0x100c0dbb
test edi, edi
jne 0x100c0e16
mov esi, 0x2af9
push esi
call dword [sym.imp.WS2_32.dll_WSASetLastError]
mov eax, dword [esp + 0x28]
mov dword [eax], edi
mov eax, esi
pop esi
pop edi
add esp, 0x10
ret

Function at 0x100c1220
Capabilities:
Create thread

Disassembly:
push 0
push 0
push dword [esp + 0x10]
push dword [esp + 0x10]
push 0
push 0
call sub.api_ms_win_crt_runtime_l1_1_0.dll__beginthreadex
mov ecx, eax
add esp, 0x18
xor eax, eax
test ecx, ecx
je 0x100c1246
cmp ecx, 0xffffffff
cmovne eax, ecx
ret
Function at 0x100c4d80
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 [0x102382a4]
mov edi, eax
add esp, 8
test edi, edi
je 0x100c4dd7
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 0x100c4def
cmp esi, ebx
je 0x100c4def
cmp esi, 0x8000
ja 0x100c4def
cmp esi, ebx
jb 0x100c4de8
push esi
push edi
call dword [0x102382a4]
mov edi, eax
add esp, 8
test edi, edi
jne 0x100c4da0
push ebp
call dword [0x102382a0]
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 [0x102382a0]
add esp, 4
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
ret

Function at 0x100c6200
Capabilities:
Send data
Send data on socket

Disassembly:
mov ecx, dword [esp + 0xc]
push ebx
mov ebx, dword [esp + 0xc]
push esi
mov esi, dword [esp + 0xc]
push 0
mov byte [esp + 0x12], cl
lea ecx, [esp + 0x10]
push 3
mov eax, dword [esi + 0xc]
push ecx
mov byte [esp + 0x18], 0xff
mov byte [esp + 0x19], bl
push dword [eax + 0x150]
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x100c624c
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push esi
call fcn.100ada00
add esp, 0xc
push dword [esp + 0x14]
push ebx
push str.SENT
push esi
call fcn.100c5e20
add esp, 0x10
pop esi
pop ebx
ret