joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4adf80
Capabilities:
Create thread

Disassembly:
push ecx
cmp dword [ecx + 0xcc], 1
je 0x4adfe0
mov eax, dword [ecx + 0x1c]
test eax, eax
je 0x4adfe0
mov eax, dword [ecx + 0xb0]
test eax, eax
je 0x4adfe0
push esi
mov edx, 5
mov esi, dword [ecx + 0xbc]
cmp esi, edx
pop esi
je 0x4adfe0
mov dword [ecx + 0xb4], eax
mov dword [ecx + 0x94], 0
mov dword [ecx + 0xbc], edx
lea eax, [esp]
push eax
push 0
push ecx
push 0x4adff0
push 0
push 0
call dword [sym.imp.KERNEL32.dll_CreateThread]
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
pop ecx
ret
Function at 0x4b4430
Capabilities:
Terminate process

Disassembly:
push ecx
push ebx
push ebp
push esi
push 0x800
call fcn.004d0617
mov esi, dword [esp + 0x18]
add esp, 4
mov edx, eax
xor ebp, ebp
test esi, esi
mov dword [esp + 0xc], edx
jne 0x4b4458
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 0x4b4473
pop esi
pop ebp
pop ebx
pop ecx
ret
mov al, byte [esi]
inc esi
test al, al
je 0x4b4549
cmp ebp, 0x400
je 0x4b4534
cmp al, 0x25
jne 0x4b4513
mov al, byte [esi]
inc esi
test al, al
je 0x4b452c
mov cl, byte [esi]
inc esi
test cl, cl
mov byte [esp + 0x14], cl
je 0x4b452c
movsx eax, al
push eax
call fcn.004d1f3d
movsx ecx, byte [esp + 0x18]
push ecx
mov bl, al
call fcn.004d1f3d
movsx edx, bl
push edx
mov byte [esp + 0x20], al
call fcn.004cf995
add esp, 0xc
test eax, eax
je 0x4b4542
movsx eax, byte [esp + 0x14]
push eax
call fcn.004cf995
add esp, 4
test eax, eax
je 0x4b4542
cmp bl, 0x39
jg 0x4b44f2
add bl, 0xd0
jmp 0x4b44f5
add bl, 0xa9
mov al, byte [esp + 0x14]
cmp al, 0x39
jg 0x4b4501
add al, 0xd0
jmp 0x4b4503
add al, 0xa9
mov ecx, dword [esp + 0xc]
shl bl, 4
add bl, al
mov edx, ecx
mov byte [ecx + ebp], bl
jmp 0x4b4520
cmp al, 0x2b
jne 0x4b451d
mov byte [edx + ebp], 0x20
jmp 0x4b4520
mov byte [edx + ebp], al
mov al, byte [esi]
inc ebp
inc esi
test al, al
jne 0x4b447e
cmp ebp, 0x400
jne 0x4b4549
pop esi
pop ebp
mov byte [edx + 0x3ff], 0
mov eax, edx
pop ebx
pop ecx
ret
push 0
call fcn.004d20a4
mov byte [edx + ebp], 0
pop esi
pop ebp
mov eax, edx
pop ebx
pop ecx
ret

Function at 0x4b7f70
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 0x4b7fa0
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 0x4b7fd0
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 0x4b7ff0
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 0x4b8020
Capabilities:
Connect socket
Get socket status

Disassembly:
sub esp, 0x228
push esi
mov esi, dword [esp + 0x234]
test esi, esi
je 0x4b820e
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 0x4b8061
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.004b7fa0
add esp, 4
call dword [sym.imp.KERNEL32.dll_GetTickCount]
lea eax, [esp + 0x14]
push 0x10
push eax
push esi
call sub.WS2_32.dll_connect
test eax, eax
jge 0x4b81f7
call fcn.004b7c10
push eax
call fcn.004b8220
add esp, 4
cmp eax, 0xffffd8cd
je 0x4b80f4
cmp eax, 0xffffd8cc
je 0x4b80f4
push esi
mov edi, eax
call fcn.004b7f70
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 0x4b81a9
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 0x4b81dd
lea ecx, [esp + 0x2c]
push ecx
push esi
call sub.WS2_32.dll___WSAFDIsSet
test eax, eax
jne 0x4b81f7
lea edx, [esp + 0x130]
push edx
push esi
call sub.WS2_32.dll___WSAFDIsSet
test eax, eax
jne 0x4b81f7
mov ecx, dword [esp + 0x248]
mov eax, dword [esp + 0x24c]
cmp dword [ecx], eax
je 0x4b81c3
call fcn.004b7c10
test eax, eax
jne 0x4b81dd
mov eax, dword [esp + 0x10]
mov ecx, dword [esp + 0xc]
inc eax
cmp eax, ecx
mov dword [esp + 0x10], eax
jl 0x4b810b
push esi
mov edi, 0xfffffff5
call fcn.004b7f70
add esp, 4
mov eax, edi
pop edi
pop ebx
pop esi
add esp, 0x228
ret
push esi
mov edi, 0xffffffec
call fcn.004b7f70
add esp, 4
mov eax, edi
pop edi
pop ebx
pop esi
add esp, 0x228
ret
push esi
mov edi, 0xfffffffb
call fcn.004b7f70
add esp, 4
mov eax, edi
pop edi
pop ebx
pop esi
add esp, 0x228
ret
push esi
xor edi, edi
call fcn.004b7f70
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 0x4b8630
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 0x4b8663
push ecx
lea eax, [esp + 0x10]
push ecx
push eax
push ecx
lea ecx, [esi + 1]
push ecx
jmp 0x4b86bb
cmp ecx, 0xffffffff
jne 0x4b867a
mov dword [esp + 4], 0
mov dword [esp + 8], 0
jmp 0x4b86a9
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 0x4b86d1
mov eax, 0xfffffffb
pop esi
add esp, 0x10c
ret
jne 0x4b86e0
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 0x4b8739
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 0x4b8721
call fcn.004b7c10
push eax
call fcn.004b8220
add esp, 4
pop esi
add esp, 0x10c
ret
mov ecx, dword [0x5aeb5c]
test ecx, ecx
je 0x4b873e
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 0x4b8750
Capabilities:
Resolve dns

Disassembly:
mov eax, dword [esp + 4]
push eax
call sub.WS2_32.dll_gethostbyname
test eax, eax
jne 0x4b875f
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 0x4b88f0
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 0x4b8926
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 0x4b8930
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 0x4b8955
pop esi
add esp, 0x64
ret
mov edx, dword [eax + 0xc]
mov eax, dword [edx]
test eax, eax
je 0x4b8968
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 0x4b8c90
Capabilities:
Terminate thread

Disassembly:
mov eax, dword [esp + 4]
push esi
mov esi, dword [esp + 0xc]
push esi
push eax
call fcn.004b8dc0
add esp, 8
test eax, eax
jne 0x4b8ca9
pop esi
ret
mov eax, dword [esi + 0x8c]
test eax, eax
jne 0x4b8cb5
pop esi
ret
push 0
push eax
call dword [sym.imp.KERNEL32.dll_TerminateThread]
mov dword [esi + 0x8c], 0
pop esi
ret

Function at 0x4b8cd0
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.004b8fc0
add esp, 4
test esi, esi
je 0x4b8d5a
mov edi, dword [esp + 0xc]
push ebp
mov ebp, dword [sym.imp.KERNEL32.dll_TerminateThread]
mov eax, dword [esi + 0x8c]
test eax, eax
je 0x4b8d4e
cmp dword [esi + 8], 0xffffffff
je 0x4b8d4e
push 0
push eax
call ebp
mov dword [esi + 0x8c], 0
mov ecx, dword [edi + 0xa0]
test ecx, ecx
je 0x4b8d3c
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 0x4b8d40
push 0
push 0
push esi
push 8
push 0x15
push edi
call fcn.004b4940
add esp, 0x18
mov esi, dword [esi + 0x48]
test esi, esi
jne 0x4b8cf6
mov edi, dword [esp + 0x14]
pop ebp
mov edx, dword [edi + 0x38c]
push edx
call fcn.004b8fd0
add esp, 4
pop edi
pop esi
ret

Function at 0x4ba500
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 0x4ba53c
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 + 0x548208]
xor ax, bx
inc ecx
dec esi
jne 0x4ba518
pop esi
pop ebx
ret
mov ax, word [esp + 0xc]
ret
Function at 0x4be240
Capabilities:
Enumerate pe sections

Disassembly:
mov eax, dword [esp + 4]
test eax, eax
je 0x4be412
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
Function at 0x4c0fe0
Capabilities:
Hash data with md5

Disassembly:
sub esp, 0x94
mov eax, dword [esp + 0x9c]
push esi
push 0x40
lea ecx, [esp + 0x1c]
xor esi, esi
push eax
push ecx
mov dword [esp + 0x24], 0x67452301
mov dword [esp + 0x28], 0xefcdab89
mov dword [esp + 0x2c], 0x98badcfe
mov dword [esp + 0x30], 0x10325476
mov dword [esp + 0x34], esi
mov dword [esp + 0x38], esi
call fcn.004c0df0
lea edx, [esp + 0x24]
lea eax, [esp + 0x10]
push edx
push eax
call fcn.004c0f20
mov esi, dword [esp + 0xb0]
add esp, 0x14
xor edx, edx
mov cl, byte [esp + edx + 4]
mov al, cl
and cl, 0xf
sar al, 4
and al, 0xf
cmp al, 0xa
movsx eax, al
jge 0x4c105a
add eax, 0x30
jmp 0x4c105d
add eax, 0x57
mov byte [esi], al
cmp cl, 0xa
movsx eax, cl
jge 0x4c106c
add eax, 0x30
jmp 0x4c106f
add eax, 0x57
mov byte [esi + 1], al
inc edx
add esi, 2
cmp edx, 0x10
jl 0x4c1040
pop esi
add esp, 0x94
ret

Function at 0x4c1090
Capabilities:
Encode data using xor

Disassembly:
sub esp, 0x84
push ebx
mov ebx, dword [esp + 0x90]
push ebp
mov ebp, dword [esp + 0x90]
push esi
push edi
mov ecx, 0x10
xor eax, eax
mov edi, ebp
mov esi, dword [esp + 0xa0]
rep stosd dword es:[edi], eax
mov ecx, 8
mov edi, ebx
rep stosd dword es:[edi], eax
stosw word es:[edi], ax
mov ecx, 0x20
xor eax, eax
lea edi, [esp + 0x14]
rep stosd dword es:[edi], eax
test esi, esi
mov dword [esp + 0x14], 0x9d14e9a1
mov dword [esp + 0x18], 0x593b6b0e
je 0x4c111b
mov edi, esi
or ecx, 0xffffffff
repne scasb al, byte es:[edi]
not ecx
dec ecx
cmp ecx, 0x28
jne 0x4c10ff
mov byte [esi + 0x20], al
mov ecx, 0x20
jmp 0x4c1109
cmp ecx, 0x38
jle 0x4c1109
mov ecx, 0x38
mov eax, ecx
lea edi, [esp + 0x1c]
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, eax
and ecx, 3
rep movsb byte es:[edi], byte [esi]
mov ecx, 0x54869c
test ecx, ecx
je 0x4c114f
mov edi, ecx
or ecx, 0xffffffff
xor eax, eax
repne scasb al, byte es:[edi]
not ecx
dec ecx
cmp ecx, 0x38
jle 0x4c113a
mov ecx, 0x38
xor eax, eax
test ecx, ecx
jle 0x4c114f
mov dl, byte [eax + 0x54869c]
xor byte [esp + eax + 0x1c], dl
inc eax
cmp eax, ecx
jl 0x4c1140
lea eax, [esp + 0x14]
push eax
push ebp
call fcn.004c0fe0
mov edi, ebp
or ecx, 0xffffffff
xor eax, eax
add esp, 8
repne scasb al, byte es:[edi]
not ecx
dec ecx
mov edi, str.01d0a8e3
mov edx, ecx
or ecx, 0xffffffff
repne scasb al, byte es:[edi]
not ecx
lea esi, [edx + ebp]
sub edi, ecx
mov eax, ecx
mov dword [esp + 0x10], esi
mov esi, edi
mov edi, dword [esp + 0x10]
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, eax
mov eax, edx
cdq
and edx, 3
and ecx, 3
add eax, edx
rep movsb byte es:[edi], byte [esi]
sar eax, 2
xor ecx, ecx
test eax, eax
jle 0x4c11b4
mov esi, ebp
mov dl, byte [esi]
add esi, 4
mov byte [ecx + ebx], dl
inc ecx
cmp ecx, eax
jl 0x4c11a7
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x84
ret
Function at 0x4c1d80
Capabilities:
Encode data using base64
Terminate process

Disassembly:
sub esp, 0x118
mov ecx, 0x3f
mov eax, 0x80808080
push ebx
push ebp
push esi
push edi
lea edi, [esp + 0x28]
rep stosd dword es:[edi], eax
stosw word es:[edi], ax
stosb byte es:[edi], al
mov eax, 0x41
mov cl, al
sub cl, 0x41
mov byte [esp + eax + 0x28], cl
inc eax
cmp eax, 0x5a
jle 0x4c1da2
mov eax, 0x61
mov dl, al
sub dl, 0x47
mov byte [esp + eax + 0x28], dl
inc eax
cmp eax, 0x7a
jle 0x4c1db6
mov eax, 0x30
mov cl, al
add cl, 4
mov byte [esp + eax + 0x28], cl
inc eax
cmp eax, 0x39
jle 0x4c1dca
mov edi, dword [esp + 0x12c]
or ecx, 0xffffffff
xor eax, eax
xor ebp, ebp
repne scasb al, byte es:[edi]
not ecx
dec ecx
mov byte [esp + 0x53], 0x3e
mov byte [esp + 0x57], 0x3f
mov byte [esp + 0x65], 0
mov dword [esp + 0x18], ebp
je 0x4c1f5d
mov ebx, dword [esp + 0x130]
mov dword [esp + 0x10], 3
mov dword [esp + 0x14], 4
mov edx, dword [esp + 0x18]
mov ecx, dword [esp + 0x12c]
xor eax, eax
lea esi, [edx + ecx]
movsx ecx, byte [esi + eax]
mov dl, byte [esp + ecx + 0x28]
test dl, 0x80
jne 0x4c1f2e
mov byte [esp + eax + 0x20], cl
mov byte [esp + eax + 0x1c], dl
inc eax
cmp eax, 4
jl 0x4c1e2c
mov esi, dword [esp + 0x138]
mov edx, dword [esp + 0x10]
cmp edx, dword [esi]
jle 0x4c1e96
mov eax, dword [esp + 0x14]
push eax
call fcn.004d0617
mov ecx, dword [esi]
mov esi, ebx
mov edx, ecx
mov edi, eax
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, edx
push ebx
and ecx, 3
mov dword [esp + 0x2c], eax
rep movsb byte es:[edi], byte [esi]
call fcn.004d052e
mov ecx, dword [esp + 0x140]
mov eax, dword [esp + 0x18]
mov ebx, dword [esp + 0x2c]
add esp, 8
mov dword [ecx], eax
mov ecx, dword [esp + 0x1c]
mov edi, dword [esp + 0x10]
mov dl, ch
mov al, cl
sar dl, 4
shl al, 2
or dl, al
mov eax, dword [esp + 0x14]
mov byte [ebx + ebp], dl
inc ebp
inc eax
mov cl, ch
mov dword [esp + 0x14], eax
mov al, byte [esp + 0x1e]
mov dl, al
inc edi
sar dl, 2
shl cl, 4
or dl, cl
mov ecx, dword [esp + 0x14]
shl al, 6
or al, byte [esp + 0x1f]
mov byte [ebx + ebp], dl
inc ebp
mov edx, edi
inc ecx
inc edx
mov byte [ebx + ebp], al
mov al, byte [esp + 0x22]
inc ebp
inc ecx
inc edx
mov dword [esp + 0x10], edi
cmp al, 0x3d
mov dword [esp + 0x14], ecx
mov dword [esp + 0x10], edx
je 0x4c1f43
mov cl, byte [esp + 0x23]
xor eax, eax
cmp cl, 0x3d
setne al
add eax, 2
cmp eax, 3
jl 0x4c1f43
mov edx, dword [esp + 0x18]
mov edi, dword [esp + 0x12c]
or ecx, 0xffffffff
xor eax, eax
add edx, 4
repne scasb al, byte es:[edi]
not ecx
dec ecx
mov dword [esp + 0x18], edx
cmp edx, ecx
jae 0x4c1f64
jmp 0x4c1e1c
push ecx
push str.Illegal_character__c_in_input._n
call fcn.004d2801
add esp, 8
push 1
call fcn.004d20a4
mov eax, dword [esp + 0x134]
mov byte [ebx + ebp], 0
pop edi
pop esi
mov dword [eax], ebp
mov eax, ebx
pop ebp
pop ebx
add esp, 0x118
ret
mov ebx, dword [esp + 0x130]
mov ecx, dword [esp + 0x134]
mov byte [ebx + ebp], 0
pop edi
pop esi
mov dword [ecx], ebp
mov eax, ebx
pop ebp
pop ebx
add esp, 0x118
ret
Function at 0x4e3d21
Capabilities:
Get graphical window text

Disassembly:
push esi
mov esi, ecx
mov ecx, dword [esi + 0x38]
test ecx, ecx
jne 0x4e3d59
push dword [esi + 0x1c]
call dword [sym.imp.USER32.dll_GetWindowTextLengthA]
lea ecx, [eax + 1]
push ecx
mov ecx, dword [esp + 0xc]
push eax
call fcn.004e1d38
push eax
push dword [esi + 0x1c]
call dword [sym.imp.USER32.dll_GetWindowTextA]
mov ecx, dword [esp + 8]
push 0xffffffffffffffff
call fcn.004e1d10
jmp 0x4e3d65
mov eax, dword [ecx]
push dword [esp + 8]
call dword [eax + 0x88]
pop esi
ret 4

Function at 0x4e5412
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 0x4e5454
call fcn.004eb3ad
mov esi, dword [eax + 0xc]
push 0xf0
push dword [esp + 0x14]
push esi
call dword [sym.imp.KERNEL32.dll_FindResourceA]
cmp eax, edi
je 0x4e5454
push eax
push esi
call dword [sym.imp.KERNEL32.dll_LoadResource]
cmp eax, edi
jne 0x4e544b
xor eax, eax
jmp 0x4e545c
push eax
call dword [sym.imp.KERNEL32.dll_LockResource]
mov edi, eax
push edi
mov ecx, ebx
call fcn.004e5462
pop edi
pop esi
pop ebx
ret 4

Function at 0x4eb8dd
Capabilities:
Get thread local storage value

Disassembly:
push ebx
push esi
mov esi, ecx
lea ebx, [esi + 0x1c]
push ebx
call dword [sym.imp.KERNEL32.dll_EnterCriticalSection]
cmp dword [esp + 0x10], 0
jne 0x4eb90b
push dword [esi]
call dword [sym.imp.KERNEL32.dll_TlsGetValue]
test eax, eax
je 0x4eb929
push dword [esp + 0xc]
mov ecx, esi
push eax
call fcn.004eb843
jmp 0x4eb929
mov eax, dword [esi + 0x14]
test eax, eax
je 0x4eb929
push edi
push dword [esp + 0x10]
mov edi, dword [eax + 4]
mov ecx, esi
push eax
call fcn.004eb843
test edi, edi
mov eax, edi
jne 0x4eb913
pop edi
push ebx
call dword [sym.imp.KERNEL32.dll_LeaveCriticalSection]
pop esi
pop ebx
ret 8
Function at 0x656688
Capabilities:
Hash data using sha256

Disassembly:
xor edx, edx
mov dword [eax + 4], edx
mov dword [eax], edx
mov edx, 0x684c30
add eax, 8
mov ecx, 0x20
call fcn.005c83bc
ret

Function at 0x656860
Capabilities:
Check if file exists
Get file attributes

Disassembly:
push eax
call sub.kernel32.dll_GetFileAttributesW
cmp eax, 0xffffffff
je 0x65686f
test al, 0x10
je 0x656872
xor eax, eax
ret
mov al, 1
ret

Function at 0x65e85c
Capabilities:
Timestomp file

Disassembly:
push ebp
mov ebp, esp
add esp, 0xffffffe4
push ebx
mov ebx, eax
push 0
push 0x80
push 3
push 0
push 3
push 0x100
mov eax, ebx
call fcn.00409eb8
push eax
call sub.kernel32.dll_CreateFileW
mov dword [ebp - 4], eax
cmp dword [ebp - 4], 0xffffffff
je 0x65e8fb
xor eax, eax
push ebp
push 0x65e8f4
push dword fs:[eax]
mov dword fs:[eax], esp
push dword [ebp + 0xc]
push dword [ebp + 8]
lea eax, [ebp - 0x1c]
call fcn.00426e24
lea eax, [ebp - 0xc]
push eax
lea eax, [ebp - 0x1c]
push eax
call sub.kernel32.dll_SystemTimeToFileTime
test eax, eax
jne 0x65e8c1
call fcn.00408958
jmp 0x65e8fb
push 0
push 0
lea eax, [ebp - 0xc]
push eax
mov eax, dword [ebp - 4]
push eax
call sub.kernel32.dll_SetFileTime
test eax, eax
jne 0x65e8dd
call fcn.00408958
jmp 0x65e8fb
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x65e8fb
mov eax, dword [ebp - 4]
push eax
call sub.kernel32.dll_CloseHandle_1
ret
pop ebx
mov esp, ebp
pop ebp
ret 8
Function at 0x40642b
Capabilities:
Check os version

Disassembly:
push ebp
mov ebp, esp
push ebx
xor eax, eax
mov ebx, dword fs:[0x18]
mov ecx, dword fs:[0x30]
test ecx, ecx
jns 0x406463
mov ecx, 0x530000
cmp dword [ebx + 0x58], ecx
jne 0x406451
mov al, 1
jmp 0x4064c2
cmp dword [ebx + 0x54], ecx
jne 0x40645a
mov al, 2
jmp 0x4064c2
cmp dword [ebx + 0x7c], ecx
jne 0x4064c2
mov al, 3
jmp 0x4064c2
mov ebx, dword [ecx + 0xa8]
mov ecx, dword [ecx + 0xa4]
cmp ecx, 4
ja 0x406478
mov al, 4
jmp 0x4064c2
cmp ecx, 5
jne 0x406498
cmp ebx, 0
jne 0x406486
mov al, 5
jmp 0x4064c2
cmp ebx, 1
jne 0x40648f
mov al, 6
jmp 0x4064c2
cmp ebx, 2
jne 0x406498
mov al, 7
jmp 0x4064c2
cmp ecx, 6
jne 0x4064c0
cmp ebx, 0
jne 0x4064a6
mov al, 8
jmp 0x4064c2
cmp ebx, 1
jne 0x4064ad
mov al, 9
cmp ebx, 2
jne 0x4064b4
mov al, 0xa
cmp ebx, 3
jne 0x4064bb
mov al, 0xb
cmp ebx, 4
jne 0x4064c2
mov al, 0xc
pop ebx
leave
ret