joyce8/EMBER2024-capa huggingface dataset:
Function at 0x40b980
Capabilities:
Get geographical location

Disassembly:
push ebx
push esi
push edi
push ecx
mov ebx, ecx
mov esi, edx
mov edi, eax
push 2
lea eax, [esp + 4]
push eax
push esi
push edi
call sub.kernel32.dll_GetLocaleInfoA_1
test eax, eax
jle 0x40b9a1
mov al, byte [esp]
jmp 0x40b9a3
mov eax, ebx
pop edx
pop edi
pop esi
pop ebx
ret

Function at 0x419cd4
Capabilities:
Encode data using xor

Disassembly:
mov ecx, edx
mov edx, eax
xor eax, eax
rol ax, 5
xor al, byte [edx]
inc edx
dec ecx
jne 0x419cda
ret

Function at 0x41c474
Capabilities:
Get system information on windows

Disassembly:
push ebp
mov ebp, esp
add esp, 0xffffffd4
mov dword [ebp - 8], edx
mov dword [ebp - 4], eax
lea eax, [ebp - 0x2c]
push eax
call sub.kernel32.dll_GetSystemInfo
mov edx, dword [ebp - 4]
mov ecx, dword [ebp - 8]
dec ecx
js 0x41c4c5
lea eax, [ebp - 0x2c]
cmp word [eax + 0x20], 3
je 0x41c4ac
mov eax, dword [edx + ecx*4]
bswap eax
shr eax, 8
mov dword [edx + ecx*4], eax
dec ecx
jns 0x41c49c
jmp 0x41c4c5
push ebx
xor ebx, ebx
mov eax, dword [edx + ecx*4]
mov bh, al
mov bl, ah
shr eax, 0x10
shl ebx, 8
mov bl, al
mov dword [edx + ecx*4], ebx
dec ecx
jns 0x41c4ad
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x490b70
Capabilities:
Get file version info

Disassembly:
push ebp
mov ebp, esp
add esp, 0xffffffec
push ebx
push esi
xor eax, eax
mov dword [ebp - 4], eax
xor eax, eax
push ebp
push 0x490c48
push dword fs:[eax]
mov dword fs:[eax], esp
cmp dword [0x4df910], 0
jne 0x490c2c
lea eax, [ebp - 4]
mov edx, 0x490c60
call fcn.00403ce4
lea eax, [ebp - 8]
push eax
mov eax, dword [ebp - 4]
call fcn.0040408c
mov esi, eax
push esi
call sub.version.dll_GetFileVersionInfoSizeA
mov ebx, eax
test ebx, ebx
je 0x490c2c
mov eax, ebx
call fcn.00402798
mov dword [ebp - 0xc], eax
xor eax, eax
push ebp
push 0x490c25
push dword fs:[eax]
mov dword fs:[eax], esp
mov eax, dword [ebp - 0xc]
push eax
push ebx
mov eax, dword [ebp - 8]
push eax
push esi
call sub.version.dll_GetFileVersionInfoA
test eax, eax
je 0x490c0f
lea eax, [ebp - 0x14]
push eax
lea eax, [ebp - 0x10]
push eax
push 0x490c70
mov eax, dword [ebp - 0xc]
push eax
call sub.version.dll_VerQueryValueA
test eax, eax
je 0x490c0f
mov eax, dword [ebp - 0x10]
mov eax, dword [eax + 8]
mov dword [0x4df910], eax
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x490c2c
mov eax, dword [ebp - 0xc]
call fcn.004027b0
ret
mov ebx, dword [0x4df910]
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x490c4f
lea eax, [ebp - 4]
call fcn.00403c4c
ret

Function at 0x495b9c
Capabilities:
Set global application hook

Disassembly:
cmp dword [0x4df934], 0
jne 0x495bbf
call sub.kernel32.dll_GetCurrentThreadId_1
push eax
push 0
mov eax, 0x495b20
push eax
push 3
call sub.user32.dll_SetWindowsHookExA
mov dword [0x4df934], eax
ret

Function at 0x496a00
Capabilities:
Get geographical location

Disassembly:
push ebx
push esi
push edi
push ecx
mov ebx, edx
mov esi, eax
mov eax, esi
call fcn.00438a20
test al, al
je 0x496a5b
cmp bl, 7
jne 0x496a37
push 2
lea eax, [esp + 4]
push eax
push 0x100c
push 0x400
call sub.kernel32.dll_GetLocaleInfoA_1
movzx edi, byte [esp]
sub edi, 0x30
jmp 0x496a3c
mov edi, ebx
and edi, 0x7f
mov eax, esi
mov edx, dword [eax]
call dword [edx + 0xc0]
test eax, eax
je 0x496a5b
mov eax, esi
mov edx, dword [eax]
call dword [edx + 0xc0]
mov edx, edi
call fcn.004221a8
mov byte [esi + 0x204], bl
pop edx
pop edi
pop esi
pop ebx
ret

Function at 0x4a9aa4
Capabilities:
Get common file path

Disassembly:
push ebx
add esp, 0xfffffe00
mov ebx, eax
lea eax, [esp + 0x100]
push eax
push 0xff
call sub.kernel32.dll_GetTempPathA
push esp
push 0
push 0x4a9ae8
lea eax, [esp + 0x10c]
push eax
call sub.kernel32.dll_GetTempFileNameA
mov edx, ebx
mov eax, esp
call fcn.00409460
add esp, 0x200
pop ebx
ret

Function at 0x4bdffc
Capabilities:
Encode data using xor

Disassembly:
push ebx
push esi
push edi
mov esi, eax
mov eax, dword [esi + 0x34]
mov edi, dword [eax + 8]
dec edi
test edi, edi
jl 0x4be037
inc edi
xor ebx, ebx
mov edx, ebx
mov eax, dword [esi + 0x34]
call fcn.00411214
mov al, byte [eax + 0x268]
xor al, 1
push eax
mov edx, ebx
mov eax, dword [esi + 0x34]
call fcn.00411214
pop edx
mov byte [eax + 0x268], dl
inc ebx
dec edi
jne 0x4be00f
pop edi
pop esi
pop ebx
ret
Function at 0x930300
Capabilities:
Packed with generic packer

Disassembly:
pushal
mov esi, section.UPX1
lea edi, [esi - 0x35a000]
push edi
jmp 0x93031a
mov al, byte [esi]
inc esi
mov byte [edi], al
inc edi
add ebx, ebx
jne 0x930321
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jb 0x930310
mov eax, 1
add ebx, ebx
jne 0x930333
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc eax, eax
add ebx, ebx
jae 0x930344
jne 0x930363
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jb 0x930363
dec eax
add ebx, ebx
jne 0x930350
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc eax, eax
jmp 0x930328
add ebx, ebx
jne 0x93035f
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc ecx, ecx
jmp 0x9303b5
xor ecx, ecx
sub eax, 3
jb 0x93037b
shl eax, 8
mov al, byte [esi]
inc esi
xor eax, 0xffffffff
je 0x9303ea
sar eax, 1
mov ebp, eax
jmp 0x930386
add ebx, ebx
jne 0x930386
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jb 0x930354
inc ecx
add ebx, ebx
jne 0x930394
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jb 0x930354
add ebx, ebx
jne 0x9303a1
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc ecx, ecx
add ebx, ebx
jae 0x930396
jne 0x9303b2
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jae 0x930396
add ecx, 2
cmp ebp, 0xfffffb00
adc ecx, 2
lea edx, [edi + ebp]
cmp ebp, 0xfffffffc
jbe 0x9303d4
mov al, byte [edx]
inc edx
mov byte [edi], al
inc edi
dec ecx
jne 0x9303c6
jmp 0x930316
mov eax, dword [edx]
add edx, 4
mov dword [edi], eax
add edi, 4
sub ecx, 4
ja 0x9303d4
add edi, ecx
jmp 0x930316
pop esi
mov edi, esi
mov ecx, 0xf56e
mov al, byte [edi]
inc edi
sub al, 0xe8
cmp al, 1
ja 0x9303f2
cmp byte [edi], 0x27
jne 0x9303f2
mov eax, dword [edi]
mov bl, byte [edi + 4]
shr ax, 8
rol eax, 0x10
xchg ah, al
sub eax, edi
sub bl, 0xe8
add eax, esi
mov dword [edi], eax
add edi, 5
mov al, bl
loop 0x9303f7
lea edi, [esi + 0x51c000]
mov eax, dword [edi]
or eax, eax
je 0x93046f
mov ebx, dword [edi + 4]
lea eax, [eax + esi + 0x53b5f0]
add ebx, esi
push eax
add edi, 8
call dword [esi + 0x53b744]
xchg ebp, eax
mov al, byte [edi]
inc edi
or al, al
je 0x930424
mov ecx, edi
jns 0x930453
movzx eax, word [edi]
inc edi
push eax
inc edi
mov ecx, 0xaef24857
push edi
dec eax
repne scasb al, byte es:[edi]
push ebp
call dword [esi + 0x53b748]
or eax, eax
je 0x930469
mov dword [ebx], eax
add ebx, 4
jmp 0x930441
call dword [esi + 0x53b758]
add edi, 4
lea ebx, [esi - 4]
xor eax, eax
mov al, byte [edi]
inc edi
or eax, eax
je 0x9304a0
cmp al, 0xef
ja 0x930493
add ebx, eax
mov eax, dword [ebx]
xchg ah, al
rol eax, 0x10
xchg ah, al
add eax, esi
mov dword [ebx], eax
jmp 0x930475
and al, 0xf
shl eax, 0x10
mov ax, word [edi]
add edi, 2
jmp 0x930482
mov ebp, dword [esi + 0x53b74c]
lea edi, [esi - 0x1000]
mov ebx, 0x1000
push eax
push esp
push 4
push ebx
push edi
call ebp
lea eax, [edi + 0x257]
and byte [eax], 0x7f
and byte [eax + 0x28], 0x7f
pop eax
push eax
push esp
push eax
push ebx
push edi
call ebp
pop eax
popal
lea eax, [esp - 0x80]
push 0
cmp esp, eax
jne 0x9304d4
sub esp, 0xffffff80
jmp 0x4ab45d
Function at 0x403d61
Capabilities:
Encode data using xor

Disassembly:
push eax
push ebx
mov eax, 0x499
mov ecx, 0x404498
mov bl, byte [ecx]
sub bl, 0xf2
rol bl, 2
sub bl, cl
ror bl, 1
mov byte [ecx], bl
dec ecx
dec eax
jne 0x403d6d
mov eax, 0x261d
mov ecx, 0x403764
mov bl, byte [ecx]
rol bl, 7
ror bl, 2
sub bl, cl
xor bl, 0x91
mov byte [ecx], bl
dec ecx
dec eax
jne 0x403d8a
pop ebx
pop eax
add ecx, 0x2c1a
jmp ecx

Function at 0x411ed0
Capabilities:
Packed with generic packer

Disassembly:
pushal
mov esi, section.UPX1
lea edi, [esi - 0xd000]
push edi
jmp 0x411eea
mov al, byte [esi]
inc esi
mov byte [edi], al
inc edi
add ebx, ebx
jne 0x411ef1
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jb 0x411ee0
mov eax, 1
add ebx, ebx
jne 0x411f03
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc eax, eax
add ebx, ebx
jae 0x411ef8
jne 0x411f14
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jae 0x411ef8
xor ecx, ecx
sub eax, 3
jb 0x411f28
shl eax, 8
mov al, byte [esi]
inc esi
xor eax, 0xffffffff
je 0x411f9a
mov ebp, eax
add ebx, ebx
jne 0x411f33
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc ecx, ecx
add ebx, ebx
jne 0x411f40
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc ecx, ecx
jne 0x411f64
inc ecx
add ebx, ebx
jne 0x411f50
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc ecx, ecx
add ebx, ebx
jae 0x411f45
jne 0x411f61
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jae 0x411f45
add ecx, 2
cmp ebp, 0xfffff300
adc ecx, 1
lea edx, [edi + ebp]
cmp ebp, 0xfffffffc
jbe 0x411f84
mov al, byte [edx]
inc edx
mov byte [edi], al
inc edi
dec ecx
jne 0x411f75
jmp 0x411ee6
mov eax, dword [edx]
add edx, 4
mov dword [edi], eax
add edi, 4
sub ecx, 4
ja 0x411f84
add edi, ecx
jmp 0x411ee6
pop esi
lea edi, [esi + 0xf000]
mov eax, dword [edi]
or eax, eax
je 0x411fec
mov ebx, dword [edi + 4]
lea eax, [eax + esi + 0x14330]
add ebx, esi
push eax
add edi, 8
call dword [esi + 0x143ec]
xchg ebp, eax
mov al, byte [edi]
inc edi
or al, al
je 0x411fa1
mov ecx, edi
jns 0x411fd0
movzx eax, word [edi]
inc edi
push eax
inc edi
mov ecx, 0xaef24857
push edi
dec eax
repne scasb al, byte es:[edi]
push ebp
call dword [esi + 0x143f4]
or eax, eax
je 0x411fe6
mov dword [ebx], eax
add ebx, 4
jmp 0x411fbe
call dword [esi + 0x143f0]
mov ebp, dword [esi + 0x143f8]
lea edi, [esi - 0x1000]
mov ebx, 0x1000
push eax
push esp
push 4
push ebx
push edi
call ebp
lea eax, [edi + 0x207]
and byte [eax], 0x7f
and byte [eax + 0x28], 0x7f
pop eax
push eax
push esp
push eax
push ebx
push edi
call ebp
pop eax
popal
lea eax, [esp - 0x80]
push 0
cmp esp, eax
jne 0x412020
sub esp, 0xffffff80
jmp 0x403956
Function at 0x41abd0
Capabilities:
Enumerate files on windows

Disassembly:
push 0xffffffffffffffff
push 0x4a6d1b
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x180
push ebx
push ebp
mov ebp, ecx
lea ecx, [esp + 8]
lea eax, [ebp + 0x40]
push eax
call fcn.0049ba0a
mov ecx, dword [esp + 8]
mov dword [esp + 0x190], 0
mov eax, dword [ecx - 8]
test eax, eax
je 0x41ac52
lea edx, [esp + 0x10]
push 1
push edx
lea ecx, [esp + 0x10]
call fcn.0049991c
mov eax, dword [eax]
push 0x4c6c80
push eax
call fcn.0048bb64
add esp, 8
lea ecx, [esp + 0x10]
test eax, eax
setne bl
call fcn.0049bc95
test bl, bl
je 0x41ac52
push 0x4c6c80
lea ecx, [esp + 0xc]
call fcn.0049c025
push 0x4c6c8c
lea ecx, [esp + 0xc]
call fcn.0049c025
mov ecx, dword [esp + 8]
lea eax, [esp + 0x48]
push eax
push ecx
call dword [sym.imp.KERNEL32.dll_FindFirstFileA]
cmp eax, 0xffffffff
mov dword [esp + 0xc], eax
jne 0x41ac8e
lea ecx, [esp + 8]
mov dword [esp + 0x190], eax
call fcn.0049bc95
jmp 0x41ad59
push esi
mov esi, dword [esp + 0x19c]
push edi
mov edi, dword [sym.imp.USER32.dll_SendMessageA]
mov ebx, 0x23
test byte [esp + 0x50], 0x10
je 0x41ad12
lea edx, [esp + 0x7c]
push 0x4c6c88
push edx
call fcn.0048bb64
add esp, 8
test eax, eax
je 0x41ad12
lea eax, [esp + 0x7c]
push 0x4c6c84
push eax
call fcn.0048bb64
add esp, 8
test eax, eax
je 0x41ad12
mov eax, dword [ebp + 0x1c]
lea edx, [esp + 0x1c]
push edx
push 0
lea ecx, [esp + 0x84]
push 0x1100
push eax
mov dword [esp + 0x2c], esi
mov dword [esp + 0x30], 0xffff0003
mov dword [esp + 0x4c], 0
mov dword [esp + 0x50], 1
mov dword [esp + 0x44], ecx
mov dword [esp + 0x34], ebx
call edi
mov edx, dword [esp + 0x14]
lea ecx, [esp + 0x50]
push ecx
push edx
call dword [sym.imp.KERNEL32.dll_FindNextFileA]
test eax, eax
jne 0x41aca2
mov eax, dword [esp + 0x14]
push eax
call dword [sym.imp.KERNEL32.dll_FindClose]
mov ecx, dword [ebp + 0x1c]
push esi
push 2
push 0x1102
push ecx
call edi
lea ecx, [esp + 0x10]
mov dword [esp + 0x198], 0xffffffff
call fcn.0049bc95
pop edi
pop esi
mov ecx, dword [esp + 0x188]
pop ebp
pop ebx
mov dword fs:[0], ecx
add esp, 0x18c
ret 4

Function at 0x41b550
Capabilities:
Query or enumerate registry value

Disassembly:
mov ecx, dword [esp + 8]
mov edx, dword [esp + 4]
sub esp, 0x10c
lea eax, [esp]
push esi
push eax
push 1
push 0
push ecx
push edx
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyExA]
mov esi, eax
test esi, esi
jne 0x41b5b2
mov edx, dword [esp + 4]
lea eax, [esp + 8]
lea ecx, [esp + 0xc]
push eax
push ecx
push esi
push edx
mov dword [esp + 0x18], 0x104
call dword [sym.imp.ADVAPI32.dll_RegQueryValueA]
mov ecx, dword [esp + 0x11c]
lea eax, [esp + 0xc]
push eax
push ecx
call dword [sym.imp.KERNEL32.dll_lstrcpyA]
mov edx, dword [esp + 4]
push edx
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
mov eax, esi
pop esi
add esp, 0x10c
ret 0xc
Function at 0x41b5c0
Capabilities:
Create process on windows

Disassembly:
push 0xffffffffffffffff
push 0x4a6d9b
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x20c
mov eax, dword [0x4d7d18]
push esi
push edi
mov edi, ecx
mov dword [esp + 8], eax
mov eax, dword [edi + 0x44]
mov dword [esp + 0x21c], 0
test eax, eax
jne 0x41b6f8
mov ecx, dword [edi + 0x48]
lea esi, [edi + 0x48]
mov eax, dword [ecx - 8]
test eax, eax
jne 0x41b626
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.0049bc95
xor eax, eax
jmp 0x41b76f
push str.mailto:
lea ecx, [esp + 0xc]
call fcn.0049bdd2
push esi
lea ecx, [esp + 0xc]
call fcn.0049c061
mov ecx, dword [esp + 8]
push ebx
push ebp
mov ebp, dword [esp + 0x22c]
push ebp
push 0
push 0
push ecx
push str.open
push 0
call dword [sym.imp.SHELL32.dll_ShellExecuteA]
mov esi, eax
cmp esi, 0x20
ja 0x41b74d
lea edx, [esp + 0x14]
mov ecx, edi
push edx
push str..htm
push accept
call fcn.0041b550
test eax, eax
jne 0x41b74d
mov ebx, dword [sym.imp.KERNEL32.dll_lstrcatA]
lea eax, [esp + 0x14]
push str._shellopencommand
push eax
call ebx
lea ecx, [esp + 0x14]
lea edx, [esp + 0x14]
push ecx
push edx
push accept
mov ecx, edi
call fcn.0041b550
test eax, eax
jne 0x41b74d
lea eax, [esp + 0x14]
push str.__1_
push eax
call fcn.0048ccb0
mov esi, eax
add esp, 8
test esi, esi
jne 0x41b72c
lea ecx, [esp + 0x14]
push 0x4c6c98
push ecx
call fcn.0048cc30
mov esi, eax
add esp, 8
test esi, esi
jne 0x41b72c
lea edx, [esp + 0x14]
push edx
call dword [sym.imp.KERNEL32.dll_lstrlenA]
lea esi, [esp + eax + 0x13]
jmp 0x41b72f
lea edx, [edi + 0x4c]
lea ecx, [esp + 8]
push edx
call fcn.0049bd82
mov eax, dword [esp + 8]
mov ecx, dword [eax - 8]
test ecx, ecx
jne 0x41b63e
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.0049bc95
xor eax, eax
jmp 0x41b76f
mov byte [esi], 0
push 0x4c6c94
push esi
call ebx
mov eax, dword [esp + 0x10]
push eax
push esi
call ebx
lea ecx, [esp + 0x14]
push ebp
push ecx
call dword [sym.imp.KERNEL32.dll_WinExec]
mov esi, eax
xor edx, edx
cmp esi, 0x20
setg dl
lea ecx, [esp + 0x10]
mov esi, edx
mov dword [esp + 0x224], 0xffffffff
call fcn.0049bc95
pop ebp
mov eax, esi
pop ebx
mov ecx, dword [esp + 0x214]
pop edi
pop esi
mov dword fs:[0], ecx
add esp, 0x218
ret 4
Function at 0x42c540
Capabilities:
Log keystrokes via polling

Disassembly:
mov eax, dword [esp + 4]
push esi
push edi
mov edi, dword [sym.imp.USER32.dll_GetKeyState]
mov cl, byte [eax + 8]
and ecx, 0xff
mov esi, ecx
cmp si, 0x60
jb 0x42c5ae
cmp si, 0x69
ja 0x42c5ae
add esi, 0xffd0
cmp si, 0x11
je 0x42c57e
push 0x11
call edi
test ax, ax
jge 0x42c57e
or esi, 0x2000
cmp si, 0x10
je 0x42c593
push 0x10
call edi
test ax, ax
jge 0x42c593
or esi, 0x4000
cmp si, 0x12
je 0x42c5a8
push 0x12
call edi
test ax, ax
jge 0x42c5a8
or esi, 0x8000
mov ax, si
pop edi
pop esi
ret
cmp si, 0x6d
jne 0x42c5bb
mov esi, 0xbd
jmp 0x42c56f
cmp si, 0x6e
jne 0x42c5c8
mov esi, 0xbe
jmp 0x42c56f
cmp si, 0x6f
jne 0x42c569
mov esi, 0xbf
jmp 0x42c56f

Function at 0x42df00
Capabilities:
Encrypt data using rc4 ksa

Disassembly:
push ecx
mov eax, dword [0x4e8488]
xor edx, edx
cmp eax, edx
jne 0x42df26
xor eax, eax
mov byte [eax + 0x4e8388], al
inc eax
cmp eax, 0x100
jl 0x42df0e
mov dword [0x4e8488], 1
mov eax, dword [esp + 0xc]
push ebx
mov ebx, dword [esp + 0x14]
push esi
push edi
mov ecx, 0x40
mov esi, 0x4e8388
mov edi, ebx
rep movsd dword es:[edi], dword [esi]
cmp eax, edx
mov byte [ebx + 0x100], dl
mov byte [ebx + 0x101], dl
jle 0x42dfb7
xor esi, esi
push ebp
mov byte [esp + 0x20], dl
xor ecx, ecx
mov edi, dword [esp + 0x20]
mov ebp, dword [esp + 0x18]
mov al, byte [esi + ebx]
and edi, 0xff
xor edx, edx
mov dl, byte [edi + ebp]
mov ebp, eax
and ebp, 0xff
add ecx, edx
add ecx, ebp
and ecx, 0x800000ff
jns 0x42df8a
dec ecx
or ecx, 0xffffff00
inc ecx
mov byte [esp + 0x10], cl
mov ecx, dword [esp + 0x10]
and ecx, 0xff
mov dl, byte [ecx + ebx]
mov byte [esi + ebx], dl
mov byte [ecx + ebx], al
lea eax, [edi + 1]
cdq
idiv dword [esp + 0x1c]
inc esi
cmp esi, 0x100
mov byte [esp + 0x20], dl
jl 0x42df58
pop ebp
pop edi
pop esi
pop ebx
pop ecx
ret

Function at 0x42e030
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
sub esp, 8
mov eax, dword [ebp + 0x10]
push ebx
push esi
push edi
mov cl, byte [eax + 0x100]
mov dl, byte [eax + 0x101]
mov dword [ebp - 8], eax
mov byte [ebp - 1], cl
mov byte [ebp - 2], dl
xor ebx, ebx
mov bl, byte [ebp - 1]
xor edx, edx
mov dl, byte [ebp - 2]
mov esi, dword [ebp - 8]
mov edi, dword [ebp + 8]
xor eax, eax
mov ecx, dword [ebp + 0xc]
test ecx, ecx
jle 0x42e083
inc bl
mov al, byte [esi + ebx]
add dl, al
xchg byte [esi + edx], al
mov byte [esi + ebx], al
add al, byte [esi + edx]
mov al, byte [esi + eax]
xor byte [edi], al
inc edi
dec ecx
jne 0x42e06a
mov byte [ebp - 1], bl
mov byte [ebp - 2], dl
mov eax, dword [ebp + 0x10]
mov cl, byte [ebp - 1]
mov dl, byte [ebp - 2]
pop edi
pop esi
mov byte [eax + 0x100], cl
mov byte [eax + 0x101], dl
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x435110
Capabilities:
Enumerate pe sections

Disassembly:
sub esp, 0x18
mov eax, dword [esp + 0x1c]
push ebx
push ebp
push esi
xor esi, esi
xor ecx, ecx
mov si, word [eax + 8]
mov cx, word [eax + 4]
xor ebp, ebp
xor edx, edx
mov bp, word [eax + 0xa]
mov dx, word [eax + 6]
sub esi, ecx
sub ebp, edx
inc esi
xor ebx, ebx
inc ebp
cmp esi, ebx
mov dword [esp + 0x14], esi
jle 0x4352a8
cmp ebp, ebx
jle 0x4352a8
mov eax, esi
push edi
cdq
and edx, 7
add eax, edx
mov edi, eax
mov eax, esi
sar edi, 3
and eax, 0x80000007
mov dword [esp + 0x10], edi
jns 0x43516e
dec eax
or eax, 0xfffffff8
inc eax
je 0x435175
inc edi
mov dword [esp + 0x10], edi
mov ecx, edi
and ecx, reloc.WS2_32.dll_accept
jns 0x435184
dec ecx
or ecx, 0xfffffffe
inc ecx
je 0x43518b
inc edi
mov dword [esp + 0x10], edi
push 0x18
call fcn.0049b9d6
add esp, 4
cmp eax, ebx
je 0x4351ac
mov dword [eax], ebx
mov dword [eax + 4], ebx
mov dword [eax + 8], ebx
mov dword [eax + 0xc], ebx
mov dword [eax + 0x10], ebx
mov dword [eax + 0x14], ebx
mov ebx, eax
mov eax, edi
mov dword [esp + 0x14], ebx
imul eax, ebp
push eax
mov dword [ebx], 7
mov dword [ebx + 4], esi
mov dword [ebx + 8], ebp
mov dword [ebx + 0x14], eax
call fcn.0049b9d6
mov ecx, dword [ebx + 0x14]
mov edi, eax
mov edx, ecx
xor eax, eax
shr ecx, 2
mov dword [ebx + 0x10], edi
add esp, 4
rep stosd dword es:[edi], eax
mov ecx, edx
and ecx, 3
rep stosb byte es:[edi], al
mov eax, dword [esp + 0x2c]
test ebp, ebp
lea edx, [eax + 0x80]
jle 0x43529e
xor eax, eax
mov dword [esp + 0x20], ebp
mov dword [esp + 0x1c], eax
mov ebp, dword [ebx + 0x10]
xor ecx, ecx
add ebp, eax
mov dword [esp + 0x2c], ecx
test esi, esi
jle 0x435285
mov al, byte [edx]
cmp al, 0xc0
jbe 0x435271
and eax, 0xff
sub eax, 0xc0
inc edx
mov esi, eax
mov dword [esp + 0x24], edx
cmp esi, 1
jle 0x435266
xor eax, eax
mov ecx, esi
mov al, byte [edx]
mov edx, ecx
mov bl, al
mov edi, ebp
mov bh, bl
dec esi
mov eax, ebx
shl eax, 0x10
mov ax, bx
mov ebx, dword [esp + 0x14]
shr ecx, 2
rep stosd dword es:[edi], eax
mov ecx, edx
mov edx, dword [esp + 0x24]
and ecx, 3
add ebp, esi
rep stosb byte es:[edi], al
mov eax, dword [esp + 0x2c]
lea ecx, [eax + esi*8]
mov esi, dword [esp + 0x18]
jmp 0x435274
mov al, byte [edx]
mov esi, dword [esp + 0x18]
mov byte [ebp], al
jmp 0x435274
mov byte [ebp], al
inc ebp
add ecx, 8
inc edx
cmp ecx, esi
mov dword [esp + 0x2c], ecx
jl 0x435210
mov eax, dword [esp + 0x1c]
mov edi, dword [esp + 0x10]
mov ecx, dword [esp + 0x20]
add eax, edi
dec ecx
mov dword [esp + 0x1c], eax
mov dword [esp + 0x20], ecx
jne 0x435201
pop edi
pop esi
mov eax, ebx
pop ebp
pop ebx
add esp, 0x18
ret
pop esi
pop ebp
xor eax, eax
pop ebx
add esp, 0x18
ret

Function at 0x437800
Capabilities:
Initialize winsock library

Disassembly:
sub esp, 0x190
push esi
mov esi, ecx
call fcn.0049d26e
lea eax, [esp + 4]
mov dword [esi], method.CWnd.virtual_0
push eax
push 0x101
call dword [sym.imp.WS2_32.dll_WSAStartup]
neg eax
sbb eax, eax
mov dword [esi + 0x44], 0x4d12
inc eax
mov dword [esi + 0x40], 0xffffffff
mov dword [esi + 0x3c], eax
mov eax, esi
pop esi
add esp, 0x190
ret
Function at 0x437980
Capabilities:
Resolve dns

Disassembly:
push ebx
push esi
mov esi, dword [esp + 0x10]
test esi, esi
je 0x437a07
cmp byte [esi], 0
je 0x437a07
mov ebx, dword [esp + 0xc]
xor eax, eax
mov ecx, ebx
mov edx, dword [esp + 0x14]
push edx
mov dword [ecx], eax
mov dword [ecx + 4], eax
mov dword [ecx + 8], eax
mov dword [ecx + 0xc], eax
call dword [sym.imp.WS2_32.dll_htons]
push esi
mov word [ebx + 2], ax
call dword [sym.imp.WS2_32.dll_inet_addr]
cmp eax, 0xffffffff
jne 0x4379f5
push esi
call dword [sym.imp.WS2_32.dll_gethostbyname]
test eax, eax
je 0x437a07
movsx ecx, word [eax + 0xa]
mov edx, dword [eax + 0xc]
push edi
lea edi, [ebx + 4]
mov esi, dword [edx]
mov edx, ecx
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, edx
and ecx, 3
rep movsb byte es:[edi], byte [esi]
mov ax, word [eax + 8]
pop edi
mov word [ebx], ax
pop esi
mov eax, 1
pop ebx
ret 0xc
mov dword [ebx + 4], eax
mov word [ebx], 2
pop esi
mov eax, 1
pop ebx
ret 0xc
pop esi
xor eax, eax
pop ebx
ret 0xc

Function at 0x437bf3
Capabilities:
Connect socket

Disassembly:
sub esp, 0x10
push esi
mov esi, ecx
mov eax, dword [esi]
call dword [eax + 0xbc]
test eax, eax
je 0x437c62
mov ecx, dword [esp + 0x1c]
mov edx, dword [esp + 0x18]
push ecx
lea eax, [esp + 8]
push edx
push eax
mov ecx, esi
call fcn.00437980
test eax, eax
je 0x437c62
mov edx, dword [esi + 0x40]
lea ecx, [esp + 4]
push 0x10
push ecx
push edx
call dword [sym.imp.WS2_32.dll_connect]
cmp eax, 0xffffffff
je 0x437c5b
mov eax, dword [esi + 0x1c]
mov ecx, dword [esi + 0x40]
push 0x21
push 0x8078
push eax
push ecx
call dword [sym.imp.WS2_32.dll_WSAAsyncSelect]
cmp eax, 0xffffffff
je 0x437c5b
mov eax, 1
mov dword [esi + 0x48], eax
pop esi
add esp, 0x10
ret 8
mov ecx, esi
call fcn.00437bc0
xor eax, eax
pop esi
add esp, 0x10
ret 8

Function at 0x438c60
Capabilities:
Access peb ldr_data

Disassembly:
mov eax, dword fs:[0]
push 0xffffffffffffffff
push 0x4a8498
push eax
mov dword fs:[0], esp
sub esp, 0x28
push esi
push edi
mov edi, dword [esp + 0x44]
mov esi, ecx
test edi, edi
jne 0x438c99
pop edi
xor eax, eax
pop esi
mov ecx, dword [esp + 0x28]
mov dword fs:[0], ecx
add esp, 0x34
ret 0x24
push 0x400
lea ecx, [esp + 0xc]
call fcn.004a33ad
mov eax, dword [esp + 0x40]
push 0
push edi
push eax
lea ecx, [esp + 0x14]
mov dword [esp + 0x44], 0
call fcn.004a33f9
mov ecx, dword [esp + 0x60]
mov edx, dword [esp + 0x5c]
mov eax, dword [esp + 0x58]
push ecx
mov ecx, dword [esp + 0x58]
push edx
mov edx, dword [esp + 0x58]
push eax
mov eax, dword [esp + 0x58]
push ecx
mov ecx, dword [esp + 0x58]
push edx
push eax
lea edx, [esp + 0x20]
push ecx
push edx
mov ecx, esi
call fcn.00438d20
lea ecx, [esp + 8]
mov esi, eax
mov dword [esp + 0x38], 0xffffffff
call fcn.004a3436
mov ecx, dword [esp + 0x30]
mov eax, esi
pop edi
pop esi
mov dword fs:[0], ecx
add esp, 0x34
ret 0x24