joyce8/EMBER2024-capa huggingface dataset:
Function at 0x51b06a
Capabilities:
Encode data using xor

Disassembly:
push 0x29
dec ecx
add byte [ebx + 0x2c004949], cl
push 0x92bf0049
dec ecx
add byte [edi], dl
movsb byte es:[edi], byte [esi]
dec ecx
add ch, bh
mov esi, 0xdb2a0049
dec ecx
add ah, dh
stc
dec ecx
add byte [edi - 0x41ffb5e6], bh
xor eax, 0x53b4004a
dec edx
add byte [esi + 0x1f004a71], ch
wait
dec edx
add byte [ecx - 0x45], bh
dec edx
add byte [ecx - 0x2e], cl
dec edx
add dh, ch
out dx, al
dec edx
add byte [ebx - 0x5fffb4fd], ch
sbb dword [ebx], ecx
adc dword [edx], esi
dec ebx
add byte [ebx + 0x56], al
dec ebx
add byte [edx + 0x21004b79], dl
cwde
dec ebx
add bh, dh
mov ch, 0x4b
add bl, dh
aad 0x4b
add al, bh
dec ebx
add byte [ebp + ecx + 0x2460004c], dh
dec esp
add byte [esi + eax*2 + 0x6c66004c], al
dec esp
add byte [ecx - 0x6e], ah
dec esp
add byte [edx - 0x58], dh
dec esp
add dl, bl
ror byte [eax + eax - 0x5c], 1
in eax, dx
dec esp
add byte [ebx], ch
adc byte [ebp], cl
lodsd eax, dword [esi]
daa
dec ebp
add byte [edi + 0x1a004d46], cl
dec ebp
add byte [edi + 0x8004d86], ah
mov dh, 0x4d
add byte [eax + 0x2d004dd0], bl
in al, dx
dec ebp
add byte [esi + 3], bh
dec esi
add byte [eax], cl
and cl, byte [esi]
jecxz 0x51b012
dec esi
add byte [esi], bl
dec esi
add byte [edx], dh
ja 0x51b027
add byte [eax], bl
popfd
dec esi
add dl, ch
mov eax, 0xd1e6004e
dec esi
add byte [eax], dl
call 0x1d7b03a
dec edi
add byte [ebx], dh
pop ss
dec edi
add ch, bl
xor eax, 0x5520004f
dec edi
add ch, dh
jo 0x51b04c
add byte [ecx - 0x77], dh
dec edi
add byte [edx - 0x8ffb05b], al
mov esi, 0xdbc7004f
dec edi
add bl, ch
test dword [edi], case.0x42d131.114
push eax
or dl, byte [eax]
xor ebp, dword [eax]
push eax
add byte [eax + 0x41], ah
push eax
add byte [edx], dl
pop ebx
push eax
add ah, dh
jb 0x51b075
add bh, ah
xchg esi, eax
push eax
add byte [edx + 0x5c0050bd], al
ficom dword [eax]
lodsd eax, dword [esi]
cli
push eax
add byte [ebx], ch
sbb byte [ecx], dl
mov byte [0x50005134], al
push edi
push ecx
add byte [esp + ebp*2 + 0x51], al
push ecx
add dh, bl
xchg esp, eax
push ecx
add al, ch
rol dword [edx], cl
adc edx, esp
inc edx
inc edx
add byte [ebx], dl
aam 0x42
add byte [0x680042d4], bh
aam 0x42
add bh, ch
in al, 0x42
add byte [edx], ah
in eax, 0x42
add byte [ecx - 0x1b], bl
inc edx
add byte [ebp + 0x250042e5], cl
std
inc edx
add byte [ecx - 3], bl
inc edx
add byte [edi - 0x3cffbd03], cl
add bl, al
std
inc edx
add byte [esi + 0x17], bh
inc ebx
add byte [edx - 0x17ffbce9], dh
pop ss
inc ebx
add byte [eax + ebx], bl
inc ebx
add byte [edx + 0x32], bh
inc ebx
add byte [esi - 0x1affbcce], ch
xor al, byte [ebx]
sbb byte [ebx], dh
inc ebx
add byte [ebx - 0x21ffbcb6], ch
dec edx
inc ebx
add byte [0x4900434b], dl
dec ebx
inc ebx
add cl, dl
push 0x69040043
inc ebx
add byte [ebx], bh
imul eax, dword [ebx], case.0x4368ca.3
jp 0x51b044
inc ebx
add byte [esi - 0x1bffbc78], ch
mov byte [ebx], al
sbb byte [ecx - 0x5e83ffbd], cl
inc ebx
add byte [eax - 0x18ffbc5f], dh
mov eax, dword [0xa21a0043]
inc ebx
add byte [ecx + eax*8 - 0x3e38ffbd], dl
inc ebx
add dh, bh
rol dword [ebx], 0x32
ret 0x43
Function at 0x832e50
Capabilities:
Encrypt data using rc4 ksa

Disassembly:
call fcn.0082ed00
call fcn.00832160
call fcn.0082ee10
call fcn.0082f9d0
jmp fcn.008323b0
Function at 0x837500
Capabilities:
Parse pe header

Disassembly:
mov ecx, dword [esp + 4]
cmp word [ecx], 0x5a4d
jne 0x83751c
mov eax, dword [ecx + 0x3c]
add eax, ecx
cmp dword [eax], 0x4550
jne 0x83751c
mov eax, dword [eax + 0x28]
ret
xor eax, eax
ret
Function at 0x838350
Capabilities:
Get file size

Disassembly:
sub esp, 0x214
push ebx
push ebp
push esi
push edi
xor ebp, ebp
mov ecx, 0x81
xor eax, eax
lea edi, [esp + 0x1e]
mov word [esp + 0x1c], bp
mov dword [esp + 0x10], ebp
rep stosd dword es:[edi], eax
stosw word es:[edi], ax
mov eax, dword [esp + 0x228]
lea ecx, [esp + 0x1c]
push eax
push ecx
call fcn.008489c9
lea edx, [esp + 0x24]
push 0x8dc8a0
push edx
call fcn.0084899f
mov ebx, dword [sym.imp.KERNEL32.dll_Sleep]
add esp, 0x10
xor edi, edi
push ebp
push 0x80
push 3
push ebp
push 1
lea eax, [esp + 0x30]
push 0xa0000000
push eax
call dword [0x8de930]
mov esi, eax
cmp esi, 0xffffffff
jne 0x8383de
push 0xbb8
call ebx
inc edi
cmp edi, 0x3c
jl 0x8383a0
mov eax, dword [esp + 0x10]
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x214
ret
push ebp
push esi
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov edi, eax
mov dword [esp + 0x14], ebp
push edi
mov dword [esp + 0x1c], edi
call fcn.00848368
add esp, 4
lea ecx, [esp + 0x14]
mov ebx, eax
push ebp
push ecx
push edi
push ebx
push esi
call dword [0x8de924]
test eax, eax
je 0x83847c
mov edx, dword [esp + 0x14]
or edi, 0xffffffff
xor eax, eax
cmp edx, 0x100
jbe 0x838478
mov cl, byte [ebx]
cmp cl, 0x4d
jne 0x838433
cmp byte [ebx + 1], 0x5a
jne 0x838433
mov ebp, 1
xor edi, edi
cmp cl, 0xd0
jne 0x83844a
cmp byte [ebx + 1], 0xcf
jne 0x83844a
cmp byte [ebx + 2], 0x11
jne 0x83844a
cmp byte [ebx + 3], 0xe0
je 0x838478
test edi, edi
jne 0x838464
push edx
push ebx
call fcn.00837500
add esp, 8
xor edx, edx
cmp eax, 0x1000
sete dl
mov eax, edx
test ebp, ebp
je 0x838478
test eax, eax
je 0x838478
test edi, edi
jne 0x838478
mov dword [esp + 0x10], 1
mov edi, dword [esp + 0x18]
mov ecx, edi
xor eax, eax
mov edx, ecx
mov edi, ebx
shr ecx, 2
rep stosd dword es:[edi], eax
mov ecx, edx
push ebx
and ecx, 3
rep stosb byte es:[edi], al
call fcn.00848320
add esp, 4
push esi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov eax, dword [esp + 0x10]
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x214
ret
Function at 0x83e3c0
Capabilities:
Hash data using sha1

Disassembly:
mov eax, dword [esp + 4]
xor ecx, ecx
mov dword [eax], 0x67452301
mov dword [eax + 4], 0xefcdab89
mov dword [eax + 8], 0x98badcfe
mov dword [eax + 0xc], 0x10325476
mov dword [eax + 0x10], 0xc3d2e1f0
mov dword [eax + 0x18], ecx
mov dword [eax + 0x14], ecx
ret
Function at 0x84dc59
Capabilities:
Write file on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x1a4
mov edx, dword [ebp + 8]
xor ecx, ecx
mov eax, 0x8d0290
cmp edx, dword [eax]
je 0x84dc7b
add eax, 8
inc ecx
cmp eax, 0x8d0320
jl 0x84dc6c
push esi
mov esi, ecx
shl esi, 3
cmp edx, dword [esi + 0x8d0290]
jne 0x84dda9
mov eax, dword [0x8de130]
cmp eax, 1
je 0x84dd83
test eax, eax
jne 0x84dcac
cmp dword [0x8cf9b4], 1
je 0x84dd83
cmp edx, 0xfc
je 0x84dda9
lea eax, [ebp - 0x1a4]
push 0x104
push eax
push 0
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameA]
test eax, eax
jne 0x84dce3
lea eax, [ebp - 0x1a4]
push str._program_name_unknown_
push eax
call fcn.0084b150
pop ecx
pop ecx
lea eax, [ebp - 0x1a4]
push edi
push eax
lea edi, [ebp - 0x1a4]
call fcn.0084b240
inc eax
pop ecx
cmp eax, 0x3c
jbe 0x84dd26
lea eax, [ebp - 0x1a4]
push eax
call fcn.0084b240
mov edi, eax
lea eax, [ebp - 0x1a4]
sub eax, 0x3b
push 3
add edi, eax
push 0x8c9be0
push edi
call fcn.00849620
add esp, 0x10
lea eax, [ebp - 0xa0]
push str.Runtime_Error__n_nProgram:
push eax
call fcn.0084b150
lea eax, [ebp - 0xa0]
push edi
push eax
call fcn.0084b160
lea eax, [ebp - 0xa0]
push 0x8c9bc0
push eax
call fcn.0084b160
push dword [esi + 0x8d0294]
lea eax, [ebp - 0xa0]
push eax
call fcn.0084b160
push 0x12010
lea eax, [ebp - 0xa0]
push str.Microsoft_Visual_C_Runtime_Library
push eax
call fcn.0084f87d
add esp, 0x2c
pop edi
jmp 0x84dda9
lea eax, [ebp + 8]
lea esi, [esi + 0x8d0294]
push 0
push eax
push dword [esi]
call fcn.0084b240
pop ecx
push eax
push dword [esi]
push 0xfffffffffffffff4
call dword [sym.imp.KERNEL32.dll_GetStdHandle]
push eax
call dword [sym.imp.KERNEL32.dll_WriteFile]
pop esi
leave
ret

Function at 0x855770
Capabilities:
Initialize winsock library

Disassembly:
mov al, byte [esp + 4]
sub esp, 0x190
test al, 2
je 0x8557c1
lea eax, [esp]
push eax
push 0x202
call dword [sym.imp.WS2_32.dll_WSAStartup]
test eax, eax
je 0x85579e
mov eax, 2
add esp, 0x190
ret
mov ax, word [esp]
cmp al, 2
jne 0x8557af
xor ecx, ecx
mov cl, ah
cmp cl, al
je 0x8557c1
call dword [sym.imp.WS2_32.dll_WSACleanup]
mov eax, 2
add esp, 0x190
ret
call fcn.00868200
test eax, eax
jne 0x85581d
push str.iphlpapi.dll
call fcn.008559d0
add esp, 4
mov dword [0x8de558], eax
test eax, eax
je 0x8557f5
push str.if_nametoindex
push eax
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
test eax, eax
je 0x8557f5
mov dword [0x8de55c], eax
push 3
push 2
push 0
push 6
call fcn.00855870
add esp, 0x10
neg eax
sbb eax, eax
push 0x8dfce0
neg eax
mov dword [0x8dfce8], eax
call dword [sym.imp.KERNEL32.dll_QueryPerformanceFrequency]
xor eax, eax
add esp, 0x190
ret
Function at 0x8559d0
Capabilities:
Get common file path

Disassembly:
push ecx
push edi
push str.kernel32
mov dword [esp + 8], 0
call dword [sym.imp.KERNEL32.dll_GetModuleHandleA]
mov edi, eax
test edi, edi
jne 0x8559ee
pop edi
pop ecx
ret
push ebx
mov ebx, dword [sym.imp.KERNEL32.dll_GetProcAddress]
push ebp
push esi
push str.LoadLibraryExA
push edi
call ebx
mov esi, dword [esp + 0x18]
push 0x8d0a24
push esi
mov ebp, eax
call fcn.0084e610
add esp, 8
test eax, eax
je 0x855a3d
test ebp, ebp
je 0x855a2c
push 8
push 0
push esi
call ebp
pop esi
pop ebp
pop ebx
mov dword [esp + 4], eax
pop edi
pop ecx
ret
push esi
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
pop esi
pop ebp
pop ebx
mov dword [esp + 4], eax
pop edi
pop ecx
ret
test ebp, ebp
je 0x855a61
push str.AddDllDirectory
push edi
call ebx
test eax, eax
je 0x855a61
push 0x800
push 0
push esi
call ebp
pop esi
pop ebp
pop ebx
mov dword [esp + 4], eax
pop edi
pop ecx
ret
push 0
push 0
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryA]
mov edx, eax
test edx, edx
mov dword [esp + 0x18], edx
je 0x855b0d
mov edi, esi
or ecx, 0xffffffff
xor eax, eax
repne scasb al, byte es:[edi]
not ecx
dec ecx
lea eax, [ecx + edx + 1]
push eax
call dword [0x8d0930]
mov ebx, eax
add esp, 4
test ebx, ebx
je 0x855b03
mov ecx, dword [esp + 0x18]
push ecx
push ebx
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryA]
test eax, eax
je 0x855b03
mov edi, ebx
or ecx, 0xffffffff
xor eax, eax
mov dx, word [0x8d0a10]
repne scasb al, byte es:[edi]
not ecx
dec ecx
mov edi, ebx
mov word [ecx + ebx], dx
or ecx, 0xffffffff
repne scasb al, byte es:[edi]
not ecx
dec ecx
mov edi, esi
mov edx, ecx
or ecx, 0xffffffff
add edx, ebx
repne scasb al, byte es:[edi]
not ecx
sub edi, ecx
mov eax, ecx
mov esi, edi
mov edi, edx
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, eax
and ecx, 3
test ebp, ebp
rep movsb byte es:[edi], byte [esi]
je 0x855af8
push 8
push 0
push ebx
call ebp
jmp 0x855aff
push ebx
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
mov dword [esp + 0x10], eax
push ebx
call dword [0x8d0934]
add esp, 4
mov eax, dword [esp + 0x10]
pop esi
pop ebp
pop ebx
pop edi
pop ecx
ret
Function at 0x85e8a0
Capabilities:
Send data
Send data on socket

Disassembly:
mov eax, dword [esp + 8]
sub esp, 0x100
push ebx
push ebp
push esi
mov esi, dword [esp + 0x110]
push edi
push eax
mov edi, dword [esi + eax*4 + 0x408]
push esi
call fcn.0085e960
mov eax, dword [esp + 0x128]
mov ecx, dword [esp + 0x124]
add esp, 8
push 0
push eax
push ecx
push edi
call dword [sym.imp.WS2_32.dll_send]
mov ebx, dword [esp + 0x124]
mov edi, eax
cmp edi, 0xffffffff
mov dword [ebx], 0
jne 0x85e945
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov ebp, eax
cmp ebp, 0x2733
jne 0x85e916
pop edi
pop esi
mov dword [ebx], 0x51
pop ebp
xor eax, eax
pop ebx
add esp, 0x100
ret
lea edx, [esp + 0x10]
push 0x100
push edx
push ebp
call fcn.0088abc0
push eax
mov eax, dword [esi]
push str.Send_failure:__s
push eax
call fcn.0085e690
mov ecx, dword [esi]
add esp, 0x18
mov dword [ecx + 0xdc4], ebp
mov dword [ebx], 0x37
mov eax, edi
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x100
ret

Function at 0x85e960
Capabilities:
Receive data
Receive data on socket

Disassembly:
mov eax, dword [esp + 8]
push ebx
mov ebx, dword [esp + 8]
push ebp
push esi
lea esi, [eax + 0x43]
shl esi, 4
add esi, ebx
push edi
mov ebp, dword [ebx + eax*4 + 0x408]
mov edi, dword [esi + 4]
mov ecx, dword [esi + 8]
sub edi, ecx
mov ecx, dword [ebx + 0x5a8]
test byte [ecx + 0x40], 3
je 0x85ea1a
cmp dword [ebx + eax*4 + 0x420], 0x85ea60
jne 0x85ea1a
cmp dword [esi], 0
je 0x85e9a9
test edi, edi
je 0x85ea1a
push 0
push 0
push 0xffffffffffffffff
push 0xffffffffffffffff
push ebp
call fcn.008874f0
add esp, 0x14
cmp eax, 0xffffffff
je 0x85ea1a
test al, 1
je 0x85ea1a
cmp dword [esi], 0
jne 0x85e9ec
mov edx, dword [ebx]
mov eax, dword [edx + 0x930]
shl eax, 1
push eax
mov dword [esi + 4], eax
call dword [0x8d0930]
mov edi, dword [esi + 4]
add esp, 4
mov dword [esi], eax
xor eax, eax
mov dword [esi + 8], eax
mov dword [esi + 0xc], eax
mov eax, dword [esi]
test eax, eax
je 0x85ea13
mov ebx, dword [esi + 8]
push 0
add eax, ebx
push edi
push eax
push ebp
call dword [sym.imp.WS2_32.dll_recv]
test eax, eax
jle 0x85ea1a
mov ecx, dword [esi + 8]
pop edi
add ecx, eax
mov dword [esi + 8], ecx
pop esi
pop ebp
pop ebx
ret
mov dword [esi + 4], 0
pop edi
pop esi
pop ebp
pop ebx
ret

Function at 0x85eec0
Capabilities:
Receive data
Receive data on socket

Disassembly:
mov eax, dword [esp + 0xc]
mov ecx, dword [esp + 8]
mov edx, dword [esp + 4]
push 0
push eax
push ecx
push edx
call dword [sym.imp.WS2_32.dll_recv]
cmp eax, 0xffffffff
jne 0x85ef03
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
xor ecx, ecx
cmp eax, 0x2733
mov edx, dword [esp + 0x10]
sete cl
mov eax, ecx
mov dword [edx], 0
neg eax
sbb eax, eax
and eax, 0x19
add eax, 0x38
ret
mov ecx, dword [esp + 0x10]
mov dword [ecx], eax
xor eax, eax
ret
Function at 0x860150
Capabilities:
Encode data using xor
Hash data using djb2

Disassembly:
mov eax, dword [esp + 8]
push ebx
push esi
mov esi, dword [esp + 0xc]
push edi
mov edi, 0x1505
lea ebx, [esi + eax]
cmp esi, ebx
jae 0x860185
mov al, byte [esi]
inc esi
push eax
call fcn.008650a0
mov edx, edi
add esp, 4
movsx ecx, al
shl edx, 5
add edx, edi
xor ecx, edx
cmp esi, ebx
mov edi, ecx
jb 0x860167
mov eax, edi
pop edi
pop esi
and eax, 0xff
pop ebx
ret

Function at 0x862d40
Capabilities:
Read file on windows

Disassembly:
mov eax, dword [esp + 0xc]
push eax
call fcn.00862d30
mov ecx, dword [esp + 0xc]
mov edx, dword [esp + 8]
push eax
push ecx
push edx
call fcn.0084c1b8
add esp, 0x10
ret
Function at 0x863190
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
sub esp, 0x208
push ebx
mov ebx, dword [esp + 0x210]
push ebp
push esi
mov eax, dword [ebx + 0x2f8]
push edi
cmp eax, 3
jne 0x863360
mov eax, dword [ebx + 0x518]
test eax, eax
jne 0x863360
mov eax, dword [ebx + 0x580]
test eax, eax
jne 0x863360
mov esi, dword [esp + 0x220]
mov ebp, dword [ebx]
lea eax, [esp + 0x10]
lea ecx, [esp + 0x98]
push eax
mov edi, 0x80
push ecx
push esi
mov dword [esp + 0x1c], edi
call dword [sym.imp.WS2_32.dll_getpeername]
test eax, eax
je 0x86322c
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
lea edx, [esp + 0x118]
mov esi, eax
push 0x100
push edx
push esi
call fcn.0088abc0
push eax
push esi
push str.getpeername___failed_with_errno__d:__s
push ebp
call fcn.0085e690
add esp, 0x1c
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x208
ret
mov dword [esp + 0x14], edi
mov ecx, 0x20
xor eax, eax
lea edi, [esp + 0x18]
rep stosd dword es:[edi], eax
lea eax, [esp + 0x14]
lea ecx, [esp + 0x18]
push eax
push ecx
push esi
call dword [sym.imp.WS2_32.dll_getsockname]
test eax, eax
je 0x863288
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
lea edx, [esp + 0x118]
mov esi, eax
push 0x100
push edx
push esi
call fcn.0088abc0
push eax
push esi
push str.getsockname___failed_with_errno__d:__s
push ebp
call fcn.0085e690
add esp, 0x1c
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x208
ret
mov ecx, dword [esp + 0x10]
lea eax, [ebx + 0x3a0]
lea esi, [ebx + 0x372]
push eax
push esi
lea edx, [esp + 0xa0]
push ecx
push edx
call fcn.00863120
add esp, 0x10
test eax, eax
jne 0x8632ee
lea eax, [esp + 0x118]
push 0x100
push eax
call fcn.0084bea8
mov ecx, dword [eax]
push ecx
call fcn.0088abc0
add esp, 0xc
push eax
call fcn.0084bea8
mov edx, dword [eax]
push edx
push str.ssrem_inet_ntop___failed_with_errno__d:__s
push ebp
call fcn.0085e690
add esp, 0x10
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x208
ret
lea edi, [ebx + 0x2c4]
mov ecx, 0xb
rep movsd dword es:[edi], dword [esi]
mov edx, dword [esp + 0x14]
lea eax, [ebx + 0x3d4]
lea ecx, [ebx + 0x3a4]
push eax
push ecx
lea eax, [esp + 0x20]
push edx
push eax
movsw word es:[edi], word [esi]
call fcn.00863120
add esp, 0x10
test eax, eax
jne 0x863360
lea ecx, [esp + 0x118]
push 0x100
push ecx
call fcn.0084bea8
mov edx, dword [eax]
push edx
call fcn.0088abc0
add esp, 0xc
push eax
call fcn.0084bea8
mov eax, dword [eax]
push eax
push str.ssloc_inet_ntop___failed_with_errno__d:__s
push ebp
call fcn.0085e690
add esp, 0x10
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x208
ret
push ebx
call fcn.008630a0
add esp, 4
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x208
ret
Function at 0x863a70
Capabilities:
Set socket configuration

Disassembly:
sub esp, 0xc
mov eax, dword [0x8de640]
push esi
test eax, eax
mov dword [esp + 8], 0x4020
mov dword [esp + 4], 0
mov dword [esp + 0xc], 4
jne 0x863ac3
push 3
push 2
push eax
push 6
call fcn.00855870
add esp, 0x10
test eax, eax
je 0x863ab7
mov dword [0x8de640], 2
pop esi
add esp, 0xc
ret
mov dword [0x8de640], 1
jmp 0x863ac8
cmp eax, 2
je 0x863b0f
mov esi, dword [esp + 0x14]
lea eax, [esp + 0xc]
lea ecx, [esp + 4]
push eax
push ecx
push 0x1001
push 0xffff
push esi
call dword [sym.imp.WS2_32.dll_getsockopt]
test eax, eax
jne 0x863af7
mov edx, dword [esp + 4]
mov eax, dword [esp + 8]
cmp edx, eax
jg 0x863b0f
lea eax, [esp + 8]
push 4
push eax
push 0x1001
push 0xffff
push esi
call dword [sym.imp.WS2_32.dll_setsockopt]
pop esi
add esp, 0xc
ret
Function at 0x863e50
Capabilities:
Set socket configuration

Disassembly:
sub esp, 0xc
push esi
mov esi, dword [esp + 0x14]
xor eax, eax
push edi
mov ecx, dword [esi + 0xbcc]
mov edi, dword [esp + 0x1c]
test ecx, ecx
lea ecx, [esp + 0x18]
push 4
push ecx
push 8
setne al
push 0xffff
push edi
mov dword [esp + 0x2c], eax
call dword [sym.imp.WS2_32.dll_setsockopt]
test eax, eax
jge 0x863e9c
push edi
push str.Failed_to_set_SO_KEEPALIVE_on_fd__d_n
push esi
call fcn.0085e5d0
add esp, 0xc
pop edi
pop esi
add esp, 0xc
ret
mov edx, dword [esi + 0xae0]
mov dword [esp + 8], 1
push edx
call fcn.00862d20
lea eax, [eax + eax*4]
lea eax, [eax + eax*4]
lea eax, [eax + eax*4]
shl eax, 3
mov dword [esp + 0x1c], eax
mov dword [esp + 0x10], eax
mov eax, dword [esi + 0xae4]
push eax
call fcn.00862d20
add esp, 8
lea eax, [eax + eax*4]
lea ecx, [esp + 0x1c]
lea edx, [esp + 8]
push 0
push 0
lea eax, [eax + eax*4]
push ecx
push 0
push 0
lea eax, [eax + eax*4]
push 0xc
push edx
push 0x98000004
shl eax, 3
push edi
mov dword [esp + 0x3c], eax
mov dword [esp + 0x34], eax
call dword [sym.imp.WS2_32.dll_WSAIoctl]
test eax, eax
je 0x863f21
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push edi
push str.Failed_to_set_SIO_KEEPALIVE_VALS_on_fd__d:__d_n
push esi
call fcn.0085e5d0
add esp, 0x10
pop edi
pop esi
add esp, 0xc
ret
Function at 0x864360
Capabilities:
Set socket configuration

Disassembly:
sub esp, 0x104
mov eax, dword [esp + 0x108]
mov edx, dword [esp + 0x10c]
push esi
lea ecx, [esp + 4]
mov esi, dword [eax]
push 4
push ecx
push 1
push 6
push edx
mov dword [esp + 0x18], 1
call dword [sym.imp.WS2_32.dll_setsockopt]
test eax, eax
jge 0x8643ba
lea eax, [esp + 8]
push 0x100
push eax
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
call fcn.0088abc0
push eax
push str.Could_not_set_TCP_NODELAY:__s_n
push esi
call fcn.0085e5d0
add esp, 0x18
pop esi
add esp, 0x104
ret

Function at 0x864530
Capabilities:
Receive data
Receive data on socket

Disassembly:
mov eax, dword [esp + 4]
mov ecx, dword [eax + 0x45c]
test ecx, ecx
je 0x86454c
push eax
call fcn.00856750
add esp, 4
test eax, eax
jne 0x86456f
ret
mov eax, dword [eax + 0x408]
cmp eax, 0xffffffff
jne 0x86455a
xor eax, eax
ret
push 2
lea ecx, [esp + 8]
push 1
push ecx
push eax
call dword [sym.imp.WS2_32.dll_recv]
test eax, eax
jne 0x86456f
ret
mov eax, 1
ret

Function at 0x8656b0
Capabilities:
Create thread

Disassembly:
mov eax, dword [esp + 8]
mov ecx, dword [esp + 4]
push 0
push 0
push eax
push ecx
push 0
push 0
call fcn.00898047
add esp, 0x18
test eax, eax
je 0x8656d3
cmp eax, 0xffffffff
jne 0x8656d5
xor eax, eax
ret
Function at 0x866bb0
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, 0x30
push ebx
push ebp
push esi
mov esi, dword [sym.imp.WS2_32.dll_socket]
push edi
push 6
push 1
push 2
mov dword [esp + 0x20], 0x10
mov dword [esp + 0x1c], 1
call esi
mov ebp, eax
cmp ebp, 0xffffffff
jne 0x866be6
pop edi
pop esi
pop ebp
or eax, eax
pop ebx
add esp, 0x30
ret
xor eax, eax
push 0x7f000001
mov dword [esp + 0x1c], eax
mov word [esp + 0x1c], 2
mov dword [esp + 0x20], eax
mov dword [esp + 0x24], eax
mov dword [esp + 0x28], eax
call dword [sym.imp.WS2_32.dll_htonl]
mov ebx, dword [esp + 0x50]
lea ecx, [esp + 0x10]
push 4
push ecx
push 4
push 0xffff
push ebp
mov dword [esp + 0x30], eax
mov word [esp + 0x2e], 0
mov dword [ebx + 4], 0xffffffff
mov dword [ebx], 0xffffffff
call dword [sym.imp.WS2_32.dll_setsockopt]
cmp eax, 0xffffffff
je 0x866d20
lea edx, [esp + 0x18]
push 0x10
push edx
push ebp
call dword [sym.imp.WS2_32.dll_bind]
cmp eax, 0xffffffff
je 0x866d20
lea eax, [esp + 0x14]
lea ecx, [esp + 0x18]
push eax
push ecx
push ebp
call dword [sym.imp.WS2_32.dll_getsockname]
cmp eax, 0xffffffff
je 0x866d20
push 1
push ebp
call dword [sym.imp.WS2_32.dll_listen]
cmp eax, 0xffffffff
je 0x866d20
push 0
push 1
push 2
call esi
cmp eax, 0xffffffff
mov dword [ebx], eax
je 0x866d20
lea edx, [esp + 0x18]
push 0x10
push edx
push eax
call dword [sym.imp.WS2_32.dll_connect]
cmp eax, 0xffffffff
je 0x866d20
push 0
push 0
push ebp
call dword [sym.imp.WS2_32.dll_accept]
cmp eax, 0xffffffff
mov dword [ebx + 4], eax
je 0x866d20
push ebx
push 0x8d1e2c
lea eax, [esp + 0x30]
push 0xc
push eax
call fcn.00868010
lea edi, [esp + 0x38]
or ecx, 0xffffffff
xor eax, eax
add esp, 0x10
repne scasb al, byte es:[edi]
mov edx, dword [ebx]
push eax
not ecx
dec ecx
mov esi, ecx
lea ecx, [esp + 0x2c]
push esi
push ecx
push edx
call dword [sym.imp.WS2_32.dll_send]
cmp eax, esi
jne 0x866d20
mov ecx, dword [ebx + 4]
push 0
lea eax, [esp + 0x38]
push 0xc
push eax
push ecx
call dword [sym.imp.WS2_32.dll_recv]
cmp eax, esi
jne 0x866d20
mov ecx, esi
lea edi, [esp + 0x34]
lea esi, [esp + 0x28]
xor edx, edx
repe cmpsb byte [esi], byte es:[edi]
je 0x866d3f
mov esi, dword [sym.imp.WS2_32.dll_closesocket]
push ebp
call esi
mov eax, dword [ebx]
push eax
call esi
mov ecx, dword [ebx + 4]
push ecx
call esi
pop edi
pop esi
pop ebp
or eax, 0xffffffff
pop ebx
add esp, 0x30
ret
push ebp
call dword [sym.imp.WS2_32.dll_closesocket]
pop edi
pop esi
pop ebp
xor eax, eax
pop ebx
add esp, 0x30
ret