joyce8/EMBER2024-capa huggingface dataset:
Function at 0x557d0b
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x10
push 0x108
call fcn.005e71d6
add esp, 4
mov dword [ebp - 4], eax
mov edi, eax
mov esi, 0xf6f9e6
lodsd eax, dword [esi]
stosd dword es:[edi], eax
lodsd eax, dword [esi]
stosd dword es:[edi], eax
xor eax, eax
mov ecx, 0x40
rep stosd dword es:[edi], eax
push 0x108
call fcn.005e71d6
add esp, 4
mov dword [ebp - 8], eax
mov edi, eax
mov esi, 0xf6f9e6
lodsd eax, dword [esi]
stosd dword es:[edi], eax
lodsd eax, dword [esi]
stosd dword es:[edi], eax
xor eax, eax
mov ecx, 0x40
rep stosd dword es:[edi], eax
mov dword [ebp - 0xc], 0
mov ebx, dword [ebp - 4]
mov ecx, dword [ebx]
inc ecx
shl ecx, 2
add ebx, ecx
mov eax, 0
add ebx, eax
mov dword [ebp - 0x10], ebx
mov ebx, dword [ebp - 0x10]
mov byte [ebx], 0
mov ebx, dword [ebp - 8]
mov ecx, dword [ebx]
inc ecx
shl ecx, 2
add ebx, ecx
mov eax, 0
add ebx, eax
mov dword [ebp - 0x10], ebx
mov ebx, dword [ebp - 0x10]
mov byte [ebx], 0
mov eax, dword [ebp - 4]
add eax, 8
mov ecx, 0x100
xor ebx, ebx
sub bl, cl
mov byte [ebx + eax], bl
loop 0x557da4
push eax
mov edx, dword [ebp + 0x10]
mov edx, dword [edx]
mov edi, dword [edx + 4]
add edx, 8
mov esi, dword [ebp - 8]
add esi, 8
mov ecx, 0x100
xor ebx, ebx
cmp ebx, edi
jb 0x557dcc
xor ebx, ebx
mov ah, byte [ebx + edx]
mov byte [esi], ah
inc esi
inc ebx
loop 0x557dc6
pop edi
xor ebx, ebx
sub esi, 0x100
xor eax, eax
mov ecx, 0x100
mov dl, byte [eax + esi]
add bl, dl
mov dl, byte [eax + edi]
add bl, dl
mov dl, byte [eax + edi]
mov dh, byte [ebx + edi]
mov byte [eax + edi], dh
mov byte [ebx + edi], dl
inc eax
loop 0x557de5
mov esi, dword [ebp + 8]
mov esi, dword [esi]
mov ecx, dword [esi + 4]
mov dword [ebp - 0xc], ecx
add esi, 8
push 0x80000301
push 0
push dword [ebp - 0xc]
push 1
mov ebx, 0x1bc
call fcn.005ea5f0
add esp, 0x10
mov dword [ebp - 0x10], eax
mov eax, dword [ebp - 0x10]
push eax
mov ebx, dword [ebp + 0xc]
mov ebx, dword [ebx]
test ebx, ebx
je 0x557e41
push ebx
call fcn.005e71d0
add esp, 4
pop eax
mov ebx, dword [ebp + 0xc]
mov dword [ebx], eax
mov ecx, dword [ebp - 0xc]
mov edx, dword [ebp + 0xc]
mov edx, dword [edx]
add edx, 8
xor eax, eax
xor ebx, ebx
push ecx
movzx ecx, al
inc cl
push edx
mov dh, byte [ecx + edi]
add bl, dh
mov dl, byte [ebx + edi]
mov byte [ecx + edi], dl
mov byte [ebx + edi], dh
add dl, dh
movzx edx, dl
mov dl, byte [edx + edi]
mov cl, byte [eax + esi]
xor cl, dl
pop edx
mov byte [eax + edx], cl
inc eax
pop ecx
loop 0x557e56
mov ebx, dword [ebp - 4]
push ebx
call fcn.005e71d0
add esp, 4
mov ebx, dword [ebp - 8]
push ebx
call fcn.005e71d0
add esp, 4
mov esp, ebp
pop ebp
ret 0xc
Function at 0x571574
Capabilities:
Read file on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0xc
mov dword [ebp - 4], 0
mov dword [ebp - 8], 0
push 0
call dword [sym.imp.kernel32.dll_SetLastError]
nop
nop
nop
nop
push 0x80000301
push 0
push dword [ebp + 0xc]
push 1
mov ebx, 0x1bc
call fcn.005ea5f0
add esp, 0x10
mov dword [ebp - 0xc], eax
mov eax, dword [ebp - 0xc]
push eax
mov ebx, dword [ebp - 4]
test ebx, ebx
je 0x5715cd
push ebx
call fcn.005e71d0
add esp, 4
pop eax
mov dword [ebp - 4], eax
mov dword [ebp - 8], 0
push 0
lea eax, [ebp - 8]
push eax
push dword [ebp + 0xc]
mov eax, dword [ebp - 4]
test eax, eax
je 0x5715ee
add eax, 8
push eax
push dword [ebp + 8]
call dword [sym.imp.kernel32.dll_ReadFile]
nop
nop
nop
nop
mov eax, dword [ebp - 4]
test eax, eax
je 0x571616
push eax
mov eax, dword [eax + 4]
add eax, 8
push eax
call fcn.005e71d6
pop ecx
pop esi
mov edi, eax
rep movsb byte es:[edi], byte [esi]
jmp 0x57161b
push eax
mov ebx, dword [ebp - 4]
test ebx, ebx
je 0x57162c
push ebx
call fcn.005e71d0
add esp, 4
pop eax
mov esp, ebp
pop ebp
ret 8

Function at 0x595f36
Capabilities:
Write file on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 8
mov dword [ebp - 4], 0
push 0
call dword [sym.imp.kernel32.dll_SetLastError]
nop
nop
nop
nop
push reloc.WS2_32.dll_getpeername
push 0
mov ebx, dword [ebp + 0xc]
mov eax, dword [ebx]
test eax, eax
jne 0x595f6a
mov eax, 0xf6f612
push eax
push 1
mov ebx, 0x194
call fcn.005ea540
add esp, 0x10
mov dword [ebp - 4], eax
push 0
mov eax, 0
mov dword [ebp - 8], eax
lea eax, [ebp - 8]
push eax
push dword [ebp - 4]
mov ebx, dword [ebp + 0xc]
mov eax, dword [ebx]
test eax, eax
je 0x595fa0
add eax, 8
push eax
push dword [ebp + 8]
call dword [sym.imp.kernel32.dll_WriteFile]
nop
nop
nop
nop
call dword [sym.imp.kernel32.dll_GetLastError]
nop
nop
nop
nop
jmp 0x595fbd
mov esp, ebp
pop ebp
ret 8
Function at 0x5ea580
Capabilities:
Encode data using xor

Disassembly:
mov edx, dword [esp + 4]
mov eax, dword [esp + 8]
cmp edx, 1
jle 0x5ea59e
push esi
lea ecx, [esp + 0x18]
dec edx
mov esi, dword [ecx]
add ecx, 0xc
xor eax, esi
dec edx
jne 0x5ea593
pop esi
ret
Function at 0x5ec250
Capabilities:
Get file size
Read file on windows

Disassembly:
mov eax, dword [esp + 8]
push edi
push 0
push 0x20
push 3
push 0
push 3
push closesocket
push eax
call dword [sym.imp.kernel32.dll_CreateFileA]
mov edi, eax
xor eax, eax
cmp edi, 0xffffffff
je 0x5ec2b9
push ebx
lea ecx, [esp + 0x10]
push esi
push ecx
push edi
call dword [sym.imp.kernel32.dll_GetFileSize]
mov ebx, eax
lea edx, [ebx + 8]
push edx
call fcn.005e7aa0
add esp, 4
mov esi, eax
lea eax, [esp + 0x14]
push 0
push eax
lea ecx, [esi + 8]
push ebx
push ecx
push edi
mov dword [esi], 1
mov dword [esi + 4], ebx
call dword [sym.imp.kernel32.dll_ReadFile]
push edi
call dword [sym.imp.kernel32.dll_CloseHandle]
mov eax, esi
pop esi
pop ebx
pop edi
ret

Function at 0x5ec3a0
Capabilities:
Open clipboard
Write clipboard data

Disassembly:
push ebp
push esi
mov esi, dword [esp + 0x10]
xor ebp, ebp
test esi, esi
je 0x5ec423
push ebp
call dword [sym.imp.user32.dll_OpenClipboard]
test eax, eax
je 0x5ec423
push ebx
push edi
call dword [sym.imp.user32.dll_EmptyClipboard]
mov edi, esi
or ecx, 0xffffffff
xor eax, eax
repne scasb al, byte es:[edi]
not ecx
push ecx
push 0x42
call dword [sym.imp.kernel32.dll_GlobalAlloc]
mov ebx, eax
test ebx, ebx
je 0x5ec416
push ebx
call dword [sym.imp.kernel32.dll_GlobalLock]
mov edx, eax
mov edi, esi
or ecx, 0xffffffff
xor eax, eax
repne scasb al, byte es:[edi]
not ecx
sub edi, ecx
push ebx
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
rep movsb byte es:[edi], byte [esi]
call dword [sym.imp.kernel32.dll_GlobalUnlock]
push ebx
push 1
call dword [sym.imp.user32.dll_SetClipboardData]
mov ebp, 1
call dword [sym.imp.user32.dll_CloseClipboard]
pop edi
pop ebx
mov eax, ebp
pop esi
pop ebp
ret
mov eax, ebp
pop esi
pop ebp
ret
Function at 0x601413
Capabilities:
Extract resource via kernel32 functions

Disassembly:
mov eax, 0x6086a0
call fcn.005f643c
sub esp, 0x18
push ebx
push esi
mov esi, ecx
push edi
mov dword [ebp - 0x10], esp
mov dword [ebp - 0x1c], esi
mov eax, dword [esi + 0x48]
mov edi, dword [esi + 0x44]
mov dword [ebp - 0x18], eax
call fcn.00606b02
cmp dword [esi + 0x40], 0
mov ebx, dword [eax + 0xc]
je 0x601452
call fcn.00606b02
mov ebx, dword [eax + 0xc]
push 5
push dword [esi + 0x40]
push ebx
call dword [sym.imp.kernel32.dll_FindResourceA]
push eax
push ebx
call dword [sym.imp.kernel32.dll_LoadResource]
mov edi, eax
test edi, edi
je 0x601460
push edi
call dword [sym.imp.kernel32.dll_LockResource]
mov dword [ebp - 0x18], eax
cmp dword [ebp - 0x18], 0
jne 0x60146e
or eax, 0xffffffff
jmp 0x601556
mov ecx, esi
call fcn.00601389
mov dword [ebp - 0x14], eax
call fcn.00602689
xor edi, edi
cmp dword [ebp - 0x14], edi
mov dword [ebp - 0x20], edi
je 0x6014a5
push dword [ebp - 0x14]
call dword [sym.imp.user32.dll_IsWindowEnabled]
test eax, eax
je 0x6014a5
push edi
push dword [ebp - 0x14]
call dword [sym.imp.user32.dll_EnableWindow]
mov dword [ebp - 0x20], 1
push esi
mov dword [ebp - 4], edi
call fcn.0060263d
push dword [ebp - 0x14]
call fcn.0060216f
push ebx
push eax
push dword [ebp - 0x18]
mov ecx, esi
call fcn.00601121
cmp eax, edi
je 0x601518
test byte [esi + 0x24], 0x10
je 0x6014e6
push 4
mov ecx, esi
pop ebx
call fcn.00601b6f
test ah, 1
je 0x6014de
push 5
pop ebx
push ebx
mov ecx, esi
call fcn.00604197
cmp dword [esi + 0x1c], edi
je 0x601518
push 0x97
push edi
push edi
push edi
push edi
push edi
mov ecx, esi
call fcn.00601ba3
jmp 0x601518
or dword [ebp - 4], 0xffffffff
cmp dword [ebp - 0x20], edi
je 0x60152c
push 1
push dword [ebp - 0x14]
call dword [sym.imp.user32.dll_EnableWindow]
cmp dword [ebp - 0x14], edi
je 0x601545
call dword [sym.imp.user32.dll_GetActiveWindow]
cmp eax, dword [esi + 0x1c]
jne 0x601545
push dword [ebp - 0x14]
call dword [sym.imp.user32.dll_SetActiveWindow]
mov eax, dword [esi]
mov ecx, esi
call dword [eax + 0x58]
mov ecx, esi
call fcn.006013c3
mov eax, dword [esi + 0x2c]
mov ecx, dword [ebp - 0xc]
pop edi
pop esi
mov dword fs:[0], ecx
pop ebx
leave
ret

Function at 0x604045
Capabilities:
Extract resource via kernel32 functions

Disassembly:
push ebx
push esi
push edi
xor edi, edi
cmp dword [esp + 0x10], edi
mov ebx, ecx
je 0x604087
call fcn.00606b02
mov esi, dword [eax + 0xc]
push 0xf0
push dword [esp + 0x14]
push esi
call dword [sym.imp.kernel32.dll_FindResourceA]
cmp eax, edi
je 0x604087
push eax
push esi
call dword [sym.imp.kernel32.dll_LoadResource]
cmp eax, edi
jne 0x60407e
xor eax, eax
jmp 0x60408f
push eax
call dword [sym.imp.kernel32.dll_LockResource]
mov edi, eax
push edi
mov ecx, ebx
call fcn.00604095
pop edi
pop esi
pop ebx
ret 4
Function at 0x60a4c0
Capabilities:
Encrypt data using des

Disassembly:
sub esp, 0xf4
xor ecx, ecx
push ebx
push ebp
push esi
mov esi, dword [esp + 0x104]
push edi
xor eax, eax
mov al, byte [ecx + str.80_]
mov edx, eax
and eax, 7
sar edx, 3
mov bl, byte [eax*2 + 0xfa02a4]
mov dl, byte [edx + esi]
test bl, dl
setne al
mov byte [esp + ecx + 0x4c], al
inc ecx
cmp ecx, 0x38
jl 0x60a4d3
mov eax, 0x1e
xor edx, edx
mov dword [esp + 0x10], eax
cmp dword [esp + 0x10c], 1
je 0x60a514
lea eax, [edx + edx]
lea edi, [esp + eax*4 + 0x88]
lea ebp, [esp + eax*4 + 0x84]
xor eax, eax
xor ecx, ecx
mov cl, byte [edx + 0xfa034c]
mov dword [edi], 0
mov dword [ebp], 0
mov esi, ecx
cmp ecx, 0x1c
jge 0x60a546
mov bl, byte [esp + ecx + 0x4c]
jmp 0x60a54a
mov bl, byte [esp + ecx + 0x30]
mov byte [esp + eax + 0x14], bl
inc eax
inc ecx
cmp eax, 0x1c
jl 0x60a53b
mov eax, 0x1c
lea ecx, [esi + 0x1c]
cmp ecx, 0x38
jge 0x60a568
mov bl, byte [esp + ecx + 0x4c]
jmp 0x60a56c
mov bl, byte [esp + ecx + 0x30]
mov byte [esp + eax + 0x14], bl
inc eax
inc ecx
cmp eax, 0x38
jl 0x60a55d
xor ecx, ecx
mov eax, 0xfa02b4
xor ebx, ebx
mov bl, byte [ecx + 0xfa035c]
cmp byte [esp + ebx + 0x14], 0
je 0x60a597
mov esi, dword [eax]
mov ebx, dword [ebp]
or ebx, esi
mov dword [ebp], ebx
xor ebx, ebx
mov bl, byte [ecx + 0xfa0374]
cmp byte [esp + ebx + 0x14], 0
je 0x60a5ae
mov esi, dword [eax]
mov ebx, dword [edi]
or ebx, esi
mov dword [edi], ebx
add eax, 4
inc ecx
cmp eax, str.80_
jl 0x60a57e
mov eax, dword [esp + 0x10]
inc edx
sub eax, 2
cmp eax, 0xfffffffe
mov dword [esp + 0x10], eax
jg 0x60a507
lea edx, [esp + 0x84]
push edx
call fcn.0060a5f0
add esp, 4
pop edi
pop esi
pop ebp
pop ebx
add esp, 0xf4
ret
Function at 0x60f820
Capabilities:
Terminate process

Disassembly:
push ecx
push ebx
push ebp
push esi
push 0x800
call fcn.0064c5d7
mov esi, dword [esp + 0x18]
add esp, 4
mov edx, eax
xor ebp, ebp
test esi, esi
mov dword [esp + 0xc], edx
jne 0x60f848
pop esi
pop ebp
xor eax, eax
pop ebx
pop ecx
ret
push edi
mov edi, esi
or ecx, 0xffffffff
xor eax, eax
repne scasb al, byte es:[edi]
not ecx
dec ecx
pop edi
cmp ecx, 0x800
jbe 0x60f863
pop esi
pop ebp
pop ebx
pop ecx
ret
mov al, byte [esi]
inc esi
test al, al
je 0x60f939
cmp ebp, 0x400
je 0x60f924
cmp al, 0x25
jne 0x60f903
mov al, byte [esi]
inc esi
test al, al
je 0x60f91c
mov cl, byte [esi]
inc esi
test cl, cl
mov byte [esp + 0x14], cl
je 0x60f91c
movsx eax, al
push eax
call fcn.0064dcc9
movsx ecx, byte [esp + 0x18]
push ecx
mov bl, al
call fcn.0064dcc9
movsx edx, bl
push edx
mov byte [esp + 0x20], al
call fcn.0064b995
add esp, 0xc
test eax, eax
je 0x60f932
movsx eax, byte [esp + 0x14]
push eax
call fcn.0064b995
add esp, 4
test eax, eax
je 0x60f932
cmp bl, 0x39
jg 0x60f8e2
add bl, 0xd0
jmp 0x60f8e5
add bl, 0xa9
mov al, byte [esp + 0x14]
cmp al, 0x39
jg 0x60f8f1
add al, 0xd0
jmp 0x60f8f3
add al, 0xa9
mov ecx, dword [esp + 0xc]
shl bl, 4
add bl, al
mov edx, ecx
mov byte [ecx + ebp], bl
jmp 0x60f910
cmp al, 0x2b
jne 0x60f90d
mov byte [edx + ebp], 0x20
jmp 0x60f910
mov byte [edx + ebp], al
mov al, byte [esi]
inc ebp
inc esi
test al, al
jne 0x60f86e
cmp ebp, 0x400
jne 0x60f939
pop esi
pop ebp
mov byte [edx + 0x3ff], 0
mov eax, edx
pop ebx
pop ecx
ret
push 0
call fcn.0064e307
mov byte [edx + ebp], 0
pop esi
pop ebp
mov eax, edx
pop ebx
pop ecx
ret

Function at 0x613360
Capabilities:
Set socket configuration

Disassembly:
push ecx
mov ecx, dword [esp + 8]
lea eax, [esp]
push eax
push 0x8004667e
push ecx
mov dword [esp + 0xc], 0
call sub.WS2_32.dll_ioctlsocket
xor edx, edx
cmp eax, 0xffffffff
setne dl
mov eax, edx
pop ecx
ret

Function at 0x613390
Capabilities:
Set socket configuration

Disassembly:
push ecx
mov ecx, dword [esp + 8]
lea eax, [esp]
push eax
push 0x8004667e
push ecx
mov dword [esp + 0xc], 1
call sub.WS2_32.dll_ioctlsocket
xor edx, edx
cmp eax, 0xffffffff
setne dl
mov eax, edx
pop ecx
ret

Function at 0x6133c0
Capabilities:
Create tcp socket
Initialize winsock library

Disassembly:
sub esp, 0x190
lea eax, [esp]
push eax
push 1
call sub.WS2_32.dll_WSAStartup
test eax, eax
je 0x6133e0
or eax, 0xffffffff
add esp, 0x190
ret
push 6
push 1
push 2
call sub.WS2_32.dll_socket
add esp, 0x190
ret
Function at 0x613410
Capabilities:
Connect socket
Get socket status

Disassembly:
sub esp, 0x228
push esi
mov esi, dword [esp + 0x234]
test esi, esi
je 0x6135fe
mov ecx, dword [esp + 0x23c]
mov eax, 0x66666667
imul ecx
sar edx, 2
mov eax, edx
push ebx
shr eax, 0x1f
add edx, eax
push edi
test edx, edx
mov edi, 1
mov dword [esp + 0xc], edx
jg 0x613451
mov dword [esp + 0xc], edi
xor ecx, ecx
push esi
mov dword [esp + 0x18], ecx
mov word [esp + 0x18], 2
mov dword [esp + 0x1c], ecx
mov dword [esp + 0x20], ecx
mov dword [esp + 0x24], ecx
call sub.WS2_32.dll_inet_addr
mov edx, dword [esp + 0x240]
mov dword [esp + 0x18], eax
push edx
call sub.WS2_32.dll_htons
mov esi, dword [esp + 0x238]
mov word [esp + 0x16], ax
push esi
call fcn.00613390
add esp, 4
call dword [sym.imp.KERNEL32.dll_GetTickCount_1]
lea eax, [esp + 0x14]
push 0x10
push eax
push esi
call sub.WS2_32.dll_connect
test eax, eax
jge 0x6135e7
call fcn.00613000
push eax
call fcn.00613610
add esp, 4
cmp eax, 0xffffd8cd
je 0x6134e4
cmp eax, 0xffffd8cc
je 0x6134e4
push esi
mov edi, eax
call fcn.00613360
add esp, 4
mov eax, edi
pop edi
pop ebx
pop esi
add esp, 0x228
ret
mov eax, dword [esp + 0xc]
mov dword [esp + 0x10], 0
test eax, eax
jle 0x613599
lea ebx, [esi + 1]
lea ecx, [esp + 0x24]
lea edx, [esp + 0x2c]
push ecx
push 0
lea eax, [esp + 0x138]
push edx
push eax
push ebx
mov dword [esp + 0x44], esi
mov dword [esp + 0x40], edi
mov dword [esp + 0x148], esi
mov dword [esp + 0x144], edi
mov dword [esp + 0x38], 0
mov dword [esp + 0x3c], 0x2710
call sub.WS2_32.dll_select
cmp eax, 0xffffffff
je 0x6135cd
lea ecx, [esp + 0x2c]
push ecx
push esi
call sub.WS2_32.dll___WSAFDIsSet
test eax, eax
jne 0x6135e7
lea edx, [esp + 0x130]
push edx
push esi
call sub.WS2_32.dll___WSAFDIsSet
test eax, eax
jne 0x6135e7
mov ecx, dword [esp + 0x248]
mov eax, dword [esp + 0x24c]
cmp dword [ecx], eax
je 0x6135b3
call fcn.00613000
test eax, eax
jne 0x6135cd
mov eax, dword [esp + 0x10]
mov ecx, dword [esp + 0xc]
inc eax
cmp eax, ecx
mov dword [esp + 0x10], eax
jl 0x6134fb
push esi
mov edi, 0xfffffff5
call fcn.00613360
add esp, 4
mov eax, edi
pop edi
pop ebx
pop esi
add esp, 0x228
ret
push esi
mov edi, 0xffffffec
call fcn.00613360
add esp, 4
mov eax, edi
pop edi
pop ebx
pop esi
add esp, 0x228
ret
push esi
mov edi, 0xfffffffb
call fcn.00613360
add esp, 4
mov eax, edi
pop edi
pop ebx
pop esi
add esp, 0x228
ret
push esi
xor edi, edi
call fcn.00613360
add esp, 4
mov eax, edi
pop edi
pop ebx
pop esi
add esp, 0x228
ret
xor eax, eax
pop esi
add esp, 0x228
ret
Function at 0x613a20
Capabilities:
Get socket status
Send data
Send data on socket

Disassembly:
sub esp, 0x10c
mov ecx, dword [esp + 0x114]
push esi
mov esi, dword [esp + 0x114]
mov dword [esp + 0xc], 1
test ecx, ecx
mov dword [esp + 0x10], esi
jne 0x613a53
push ecx
lea eax, [esp + 0x10]
push ecx
push eax
push ecx
lea ecx, [esi + 1]
push ecx
jmp 0x613aab
cmp ecx, 0xffffffff
jne 0x613a6a
mov dword [esp + 4], 0
mov dword [esp + 8], 0
jmp 0x613a99
mov eax, 0x10624dd3
imul ecx
sar edx, 6
mov eax, edx
shr eax, 0x1f
add edx, eax
mov eax, ecx
mov dword [esp + 4], edx
mov ecx, 0x3e8
cdq
idiv ecx
lea eax, [edx + edx*4]
lea eax, [eax + eax*4]
lea edx, [eax + eax*4]
shl edx, 3
mov dword [esp + 8], edx
lea eax, [esp + 4]
lea ecx, [esp + 0xc]
push eax
push 0
push ecx
lea edx, [esi + 1]
push 0
push edx
call sub.WS2_32.dll_select
test eax, eax
jge 0x613ac1
mov eax, 0xfffffffb
pop esi
add esp, 0x10c
ret
jne 0x613ad0
mov eax, 0xfffffffa
pop esi
add esp, 0x10c
ret
lea eax, [esp + 0xc]
push eax
push esi
call sub.WS2_32.dll___WSAFDIsSet
test eax, eax
je 0x613b29
mov ecx, dword [esp + 0x11c]
mov edx, dword [esp + 0x120]
push 0
push ecx
push edx
push esi
call sub.WS2_32.dll_send
test eax, eax
jg 0x613b11
call fcn.00613000
push eax
call fcn.00613610
add esp, 4
pop esi
add esp, 0x10c
ret
mov ecx, dword [0xfee9ec]
test ecx, ecx
je 0x613b2e
mov edx, dword [ecx]
pop esi
add edx, eax
mov dword [ecx], edx
add esp, 0x10c
ret
mov eax, 0xfffffff7
pop esi
add esp, 0x10c
ret

Function at 0x613b40
Capabilities:
Resolve dns

Disassembly:
mov eax, dword [esp + 4]
push eax
call sub.WS2_32.dll_gethostbyname
test eax, eax
jne 0x613b4f
ret
mov ecx, dword [eax + 0xc]
push esi
push edi
mov edx, dword [ecx]
mov eax, dword [edx]
push eax
call sub.WS2_32.dll_inet_ntoa
mov edi, eax
or ecx, 0xffffffff
xor eax, eax
repne scasb al, byte es:[edi]
mov eax, dword [esp + 0x10]
not ecx
sub edi, ecx
mov edx, ecx
mov esi, edi
mov edi, eax
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, edx
and ecx, 3
rep movsb byte es:[edi], byte [esi]
pop edi
pop esi
ret

Function at 0x613ce0
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
sub esp, 0x14
mov edx, dword [esp + 0x18]
lea eax, [esp]
lea ecx, [esp + 4]
push eax
push ecx
push edx
mov dword [esp + 0xc], 0x10
call sub.WS2_32.dll_getsockname
test eax, eax
jne 0x613d16
mov eax, dword [esp + 6]
push eax
call sub.WS2_32.dll_ntohs
and eax, 0xffff
add esp, 0x14
ret
or eax, 0xffffffff
add esp, 0x14
ret

Function at 0x613d20
Capabilities:
Get hostname
Resolve dns

Disassembly:
sub esp, 0x64
lea eax, [esp]
push esi
push 0x64
push eax
xor esi, esi
call sub.WS2_32.dll_gethostname
lea ecx, [esp + 4]
push ecx
call sub.WS2_32.dll_gethostbyname
test eax, eax
jne 0x613d45
pop esi
add esp, 0x64
ret
mov edx, dword [eax + 0xc]
mov eax, dword [edx]
test eax, eax
je 0x613d58
mov eax, dword [eax]
push eax
call sub.WS2_32.dll_inet_ntoa
mov esi, eax
mov eax, esi
pop esi
add esp, 0x64
ret
Function at 0x614080
Capabilities:
Terminate thread

Disassembly:
mov eax, dword [esp + 4]
push esi
mov esi, dword [esp + 0xc]
push esi
push eax
call fcn.006141b0
add esp, 8
test eax, eax
jne 0x614099
pop esi
ret
mov eax, dword [esi + 0x8c]
test eax, eax
jne 0x6140a5
pop esi
ret
push 0
push eax
call dword [sym.imp.KERNEL32.dll_TerminateThread]
mov dword [esi + 0x8c], 0
pop esi
ret

Function at 0x6140c0
Capabilities:
Terminate thread

Disassembly:
push esi
push edi
mov edi, dword [esp + 0x10]
mov eax, dword [edi + 0x38c]
mov esi, dword [edi]
push eax
call fcn.006143c0
add esp, 4
test esi, esi
je 0x61414a
mov edi, dword [esp + 0xc]
push ebp
mov ebp, dword [sym.imp.KERNEL32.dll_TerminateThread]
mov eax, dword [esi + 0x8c]
test eax, eax
je 0x61413e
cmp dword [esi + 8], 0xffffffff
je 0x61413e
push 0
push eax
call ebp
mov dword [esi + 0x8c], 0
mov ecx, dword [edi + 0xa0]
test ecx, ecx
je 0x61412c
mov eax, dword [esi + 0x1c]
push 0
lea edx, [eax*8]
sub edx, eax
lea eax, [ecx + edx*4]
mov ecx, dword [ecx + edx*4 + 0x14]
mov edx, dword [eax + 0xc]
add ecx, edx
push ecx
jmp 0x614130
push 0
push 0
push esi
push 8
push 0x15
push edi
call fcn.0060fd30
add esp, 0x18
mov esi, dword [esi + 0x48]
test esi, esi
jne 0x6140e6
mov edi, dword [esp + 0x14]
pop ebp
mov edx, dword [edi + 0x38c]
push edx
call fcn.006143d0
add esp, 4
pop edi
pop esi
ret

Function at 0x6155b0
Capabilities:
Encode data using xor

Disassembly:
mov eax, dword [esp + 8]
mov ecx, dword [esp + 4]
mov edx, eax
dec eax
test edx, edx
je 0x6155ec
push ebx
push esi
lea esi, [eax + 1]
mov eax, dword [esp + 0x14]
mov edx, eax
xor ebx, ebx
mov bl, byte [ecx]
and edx, 0xff
xor edx, ebx
xor ebx, ebx
mov bl, ah
mov ax, word [edx*2 + 0xe85be8]
xor ax, bx
inc ecx
dec esi
jne 0x6155c8
pop esi
pop ebx
ret
mov ax, word [esp + 0xc]
ret
Function at 0x6192f0
Capabilities:
Enumerate pe sections

Disassembly:
mov eax, dword [esp + 4]
test eax, eax
je 0x6194c2
xor ecx, ecx
xor edx, edx
mov ch, byte [eax]
mov dl, byte [eax + 2]
mov cl, byte [eax + 1]
push ebx
shl ecx, 8
or ecx, edx
xor edx, edx
mov dl, byte [eax + 3]
push ebp
shl ecx, 8
or ecx, edx
xor edx, edx
mov dl, byte [eax + 6]
mov dword [eax], ecx
xor ecx, ecx
push esi
mov ch, byte [eax + 4]
push edi
mov cl, byte [eax + 5]
xor ebp, ebp
shl ecx, 8
or ecx, edx
xor edx, edx
mov dl, byte [eax + 7]
shl ecx, 8
or ecx, edx
mov edx, dword [esp + 0x18]
mov dword [eax + 4], ecx
xor ecx, ecx
mov ch, byte [eax + 8]
lea edi, [edx + 0xc]
mov cl, byte [eax + 9]
mov word [eax + 8], cx
mov ecx, dword [eax]
mov dword [edx], ecx
mov ecx, dword [eax + 4]
mov dword [edx + 4], ecx
mov cx, word [eax + 8]
mov word [edx + 8], cx
xor ecx, ecx
movzx si, byte [eax + 0xb]
mov ch, byte [eax + 0xa]
or ecx, esi
mov word [eax + 0xa], cx
mov word [edx + 0xa], cx
movzx si, byte [eax + 0xb]
xor ecx, ecx
mov ch, byte [eax + 0xa]
or ecx, esi
mov esi, dword [eax + 0xc]
mov word [eax + 0xa], cx
and ecx, 0xffff
mov ebx, ecx
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, ebx
and ecx, 3
rep movsb byte es:[edi], byte [esi]
movzx si, byte [eax + 0x11]
mov bp, word [eax + 0xa]
xor ecx, ecx
mov ch, byte [eax + 0x10]
add ebp, 0xc
or ecx, esi
mov word [eax + 0x10], cx
mov word [edx + ebp], cx
movzx si, byte [eax + 0x11]
xor ecx, ecx
lea edi, [edx + ebp + 2]
mov ch, byte [eax + 0x10]
or ecx, esi
mov esi, dword [eax + 0x14]
mov word [eax + 0x10], cx
and ecx, 0xffff
mov ebx, ecx
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, ebx
and ecx, 3
rep movsb byte es:[edi], byte [esi]
movzx si, byte [eax + 0x19]
xor ecx, ecx
mov cx, word [eax + 0x10]
lea ebp, [ecx + ebp + 2]
xor ecx, ecx
mov ch, byte [eax + 0x18]
or ecx, esi
lea edi, [edx + ebp + 2]
mov word [eax + 0x18], cx
mov word [edx + ebp], cx
movzx si, byte [eax + 0x19]
xor ecx, ecx
mov ch, byte [eax + 0x18]
or ecx, esi
mov esi, dword [eax + 0x1c]
mov word [eax + 0x18], cx
and ecx, 0xffff
mov ebx, ecx
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, ebx
and ecx, 3
rep movsb byte es:[edi], byte [esi]
movzx si, byte [eax + 0x21]
xor ecx, ecx
mov cx, word [eax + 0x18]
lea ebp, [ecx + ebp + 2]
xor ecx, ecx
mov ch, byte [eax + 0x20]
or ecx, esi
lea edi, [edx + ebp + 2]
mov word [eax + 0x20], cx
mov word [edx + ebp], cx
movzx si, byte [eax + 0x21]
xor ecx, ecx
mov ch, byte [eax + 0x20]
or ecx, esi
mov esi, dword [eax + 0x24]
mov word [eax + 0x20], cx
and ecx, 0xffff
mov edx, ecx
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, edx
xor edx, edx
and ecx, 3
rep movsb byte es:[edi], byte [esi]
mov dl, byte [eax + 6]
xor ecx, ecx
mov ch, byte [eax + 4]
pop edi
mov cl, byte [eax + 5]
pop esi
shl ecx, 8
or ecx, edx
xor edx, edx
mov dl, byte [eax + 7]
pop ebp
shl ecx, 8
or ecx, edx
xor edx, edx
mov dh, byte [eax]
mov dword [eax + 4], ecx
mov dl, byte [eax + 1]
xor ecx, ecx
mov ch, byte [eax + 8]
pop ebx
mov cl, byte [eax + 9]
mov word [eax + 8], cx
xor ecx, ecx
mov cl, byte [eax + 2]
shl edx, 8
or edx, ecx
xor ecx, ecx
mov cl, byte [eax + 3]
shl edx, 8
or edx, ecx
mov dword [eax], edx
ret