joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4e719f
Capabilities:
Resolve function by parsing pe exports

Disassembly:
sub esp, 0x14
push ebp
push edi
mov edi, ecx
mov ebp, edx
test edi, edi
je 0x4e71ba
test ebp, ebp
je 0x4e71ba
mov eax, dword [edi + 0x3c]
cmp dword [eax + edi + 0x7c], 0
jne 0x4e71c2
pop edi
xor eax, eax
pop ebp
add esp, 0x14
ret
mov eax, dword [eax + edi + 0x78]
add eax, edi
push ebx
mov ecx, dword [eax + 0x20]
mov edx, dword [eax + 0x24]
mov ebx, dword [eax + 0x14]
add ecx, edi
mov dword [esp + 0x10], ecx
push esi
mov esi, dword [eax + 0x1c]
mov ecx, ebp
sub ecx, dword [eax + 0x10]
add esi, edi
add edx, edi
mov dword [esp + 0x20], esi
mov dword [esp + 0x1c], edx
mov dword [esp + 0x10], ebx
cmp ecx, ebx
ja 0x4e7202
mov eax, dword [esi + ecx*4]
pop esi
pop ebx
add eax, edi
pop edi
pop ebp
add esp, 0x14
ret
mov eax, dword [eax + 0x18]
xor esi, esi
mov dword [esp + 0x18], eax
test eax, eax
je 0x4e725e
mov ecx, ebx
movzx ebx, word [edx + esi*2]
cmp ebx, ecx
ja 0x4e7259
mov eax, dword [esp + 0x14]
mov ecx, ebp
mov eax, dword [eax + esi*4]
add eax, edi
mov dl, byte [ecx]
cmp dl, byte [eax]
jne 0x4e7244
test dl, dl
je 0x4e7240
mov dl, byte [ecx + 1]
cmp dl, byte [eax + 1]
jne 0x4e7244
add ecx, 2
add eax, 2
test dl, dl
jne 0x4e7224
xor eax, eax
jmp 0x4e7249
sbb eax, eax
or eax, 1
test eax, eax
je 0x4e7268
mov eax, dword [esp + 0x18]
mov edx, dword [esp + 0x1c]
mov ecx, dword [esp + 0x10]
inc esi
cmp esi, eax
jb 0x4e7211
pop esi
pop ebx
pop edi
xor eax, eax
pop ebp
add esp, 0x14
ret
mov eax, dword [esp + 0x20]
pop esi
mov eax, dword [eax + ebx*4]
pop ebx
add eax, edi
pop edi
pop ebp
add esp, 0x14
ret

Function at 0x4e727f
Capabilities:
Contain obfuscated stackstrings

Disassembly:
sub esp, 0x18
push esi
push edi
mov edi, ecx
call fcn.004e70df
mov esi, eax
test esi, esi
je 0x4e733b
push ebp
lea edx, [esp + 0x10]
mov ecx, esi
mov dword [esp + 0x10], 0x65657246
mov dword [esp + 0x14], 0x7262694c
mov dword [esp + 0x18], 0x797261
call fcn.004e719f
mov ebp, eax
test ebp, ebp
je 0x4e733a
lea edx, [esp + 0x10]
mov ecx, esi
mov dword [esp + 0x10], 0x4d746547
mov dword [esp + 0x14], 0x6c75646f
mov dword [esp + 0x18], 0x6e614865
mov dword [esp + 0x1c], 0x41656c64
mov byte [esp + 0x20], 0
call fcn.004e719f
mov edx, eax
mov dword [esp + 0xc], edx
test edx, edx
je 0x4e733a
mov ecx, dword [edi + 0x3c]
cmp dword [ecx + edi + 0x84], 0
je 0x4e733a
push ebx
mov ebx, dword [ecx + edi + 0x80]
add ebx, edi
xor esi, esi
mov eax, dword [ebx + 0xc]
test eax, eax
je 0x4e7339
lea ebx, [ebx]
add eax, edi
push eax
call edx
push eax
call ebp
mov edx, dword [esp + 0x10]
lea esi, [esi + 1]
lea eax, [esi + esi*4]
mov eax, dword [ebx + eax*4 + 0xc]
test eax, eax
jne 0x4e731f
pop ebx
pop ebp
pop edi
pop esi
add esp, 0x18
ret
Function at 0x4e8525
Capabilities:
Enumerate pe sections

Disassembly:
sub esp, 0x50
push ebp
lea eax, [esp + 0x28]
push edi
push eax
call fcn.004e86d5
mov ecx, dword [esp + 0x5c]
xor edx, edx
xor ebp, ebp
mov dword [esp + 0xc], 1
mov edi, dword [ecx]
mov dword [esp + 0x10], 8
mov dword [esp + 0x14], 2
mov dword [esp + 0x18], 4
mov dx, word [edi + 0x14]
cmp word [edi + 6], bp
mov dword [esp + 0x1c], 0x10
mov dword [esp + 0x20], 0x80
mov dword [esp + 0x24], 0x20
mov dword [esp + 0x28], 0x40
lea eax, [edx + edi + 0x18]
jbe 0x4e8623
push ebx
push esi
lea ebx, [eax + 0x24]
mov eax, dword [ebx]
mov ecx, eax
mov edx, eax
shr ecx, 0x1d
shr edx, 0x1e
mov esi, eax
and ecx, 1
and edx, 1
shr esi, 0x1f
test eax, 0x2000000
je 0x4e85c6
mov eax, dword [ebx - 0x14]
mov ecx, dword [ebx - 0x1c]
push 0x4000
push eax
push ecx
call dword [esp + 0x4c]
jmp 0x4e8609
lea edx, [edx + ecx*2]
test eax, 0x4000000
lea ecx, [esi + edx*2]
mov esi, dword [esp + ecx*4 + 0x14]
je 0x4e85dd
or esi, 0x200
mov edx, dword [ebx - 0x14]
mov ecx, edx
test ecx, ecx
jne 0x4e85f8
test al, 0x40
je 0x4e85ef
mov ecx, dword [edi + 0x20]
jmp 0x4e85f6
test al, 0x80
je 0x4e8609
mov ecx, dword [edi + 0x24]
test ecx, ecx
jbe 0x4e8609
mov ecx, dword [ebx - 0x1c]
lea eax, [esp + 0x10]
push eax
push esi
push edx
push ecx
call dword [esp + 0x44]
mov edx, dword [esp + 0x64]
xor eax, eax
inc ebp
add ebx, 0x28
mov edi, dword [edx]
mov ax, word [edi + 6]
cmp ebp, eax
jl 0x4e8595
pop esi
pop ebx
pop edi
pop ebp
add esp, 0x50
ret
Function at 0x4e96fc
Capabilities:
Check for peb beingdebugged flag

Disassembly:
push ebp
mov ebp, esp
mov eax, dword fs:[0x30]
movzx eax, byte [eax + 2]
and eax, 1
leave
ret

Function at 0x4ea80a
Capabilities:
Execute syscall

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x14
cmp dword [ebp + 8], 0
jge 0x4ea82c
mov eax, 0xfffffffd
jmp 0x4ea8fe
cmp dword [0x7ef4d4], 0
je 0x4ea8d7
cmp dword [0x7ef4d8], 5
jl 0x4ea85a
cmp dword [0x7ef4d8], 7
jg 0x4ea85a
mov eax, 1
jmp 0x4ea85f
mov eax, 0
test eax, eax
jne 0x4ea878
cmp dword [0x7ef4d8], 0xfffffffb
je 0x4ea878
xor eax, eax
jmp 0x4ea87d
mov eax, 1
test eax, eax
je 0x4ea8a9
mov eax, dword [ebp]
add eax, 0x80
mov ecx, 0x20
push dword [eax]
sub eax, 4
loop 0x4ea892
mov eax, dword [ebp + 8]
call dword fs:[0xc0]
nop
nop
leave
ret 4
mov eax, dword [ebp + 8]
mov ecx, eax
and eax, 0xffff
shr ecx, 0x10
and ecx, 0xffff
mov edx, dword [ebp]
lea edx, [edx + 8]
call dword fs:[0xc0]
nop
nop
nop
nop
nop
leave
ret 4
cmp dword [0x7ef4d4], 0
jne 0x4ea8f4
mov eax, dword [ebp + 8]
mov edx, dword [ebp]
lea edx, [edx + 8]
int 0x2e
nop
leave
ret 4
mov eax, 0
jmp 0x4ea8fe
mov esp, ebp
pop ebp
ret 4

Function at 0x4eca4c
Capabilities:
Parse pe header

Disassembly:
push ebp
mov ebp, esp
sub esp, 8
mov dword [ebp - 4], 0
push 0
push dword [ebp - 4]
call fcn.00406da0
test eax, eax
je 0x4eca8f
xor eax, eax
xchg dword [ebp + 8], eax
cmp eax, 0xffff
jle 0x4eca8f
cmp word [eax], 0x5a4d
jne 0x4eca8f
add eax, dword [eax + 0x3c]
cmp dword [eax], 0x4550
jne 0x4eca8f
mov dword [ebp + 8], eax
mov dword [ebp - 4], 0
push 0
push dword [ebp - 4]
call fcn.004074d6
mov eax, dword [ebp + 8]
jmp 0x4ecaa8
mov esp, ebp
pop ebp
ret 4

Function at 0x4efb84
Capabilities:
Parse pe header

Disassembly:
push ebp
mov ebp, esp
sub esp, 8
mov dword [ebp - 4], 0
push 0
push dword [ebp - 4]
call fcn.00406da0
test eax, eax
je 0x4efbef
push ecx
push ebx
xor eax, eax
xchg dword [ebp + 0xc], eax
xchg dword [ebp + 0x10], eax
mov ebx, dword [ebp + 8]
cmp ebx, 0xffff
jle 0x4efbed
cmp word [ebx], 0x5a4d
jne 0x4efbed
mov ecx, dword [ebx + 0x3c]
add ecx, ebx
cmp dword [ecx], 0x4550
jne 0x4efbed
cmp dword [ebp + 0x10], 0
je 0x4efbe1
movzx eax, word [ecx + 0x16]
and eax, dword [ebp + 0x10]
cmp eax, dword [ebp + 0x10]
jne 0x4efbed
cmp dword [ecx + 0x28], 0
je 0x4efbed
add ebx, dword [ecx + 0x28]
mov dword [ebp + 0xc], ebx
pop ebx
pop ecx
mov dword [ebp - 4], 0
push 0
push dword [ebp - 4]
call fcn.004074d6
mov eax, dword [ebp + 0xc]
jmp 0x4efc08
mov esp, ebp
pop ebp
ret 0xc
Function at 0x4ffed0
Capabilities:
Enumerate files on windows

Disassembly:
push 0xffffffffffffffff
push 0x5bf7db
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.005b3598
mov ecx, dword [esp + 8]
mov dword [esp + 0x190], 0
mov eax, dword [ecx - 8]
test eax, eax
je 0x4fff52
lea edx, [esp + 0x10]
push 1
push edx
lea ecx, [esp + 0x10]
call fcn.005b0ca8
mov eax, dword [eax]
push 0x7d6d74
push eax
call fcn.00590074
add esp, 8
lea ecx, [esp + 0x10]
test eax, eax
setne bl
call fcn.005b3823
test bl, bl
je 0x4fff52
push 0x7d6d74
lea ecx, [esp + 0xc]
call fcn.005b3bb3
push 0x7d6d80
lea ecx, [esp + 0xc]
call fcn.005b3bb3
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 0x4fff8e
lea ecx, [esp + 8]
mov dword [esp + 0x190], eax
call fcn.005b3823
jmp 0x500059
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 0x500012
lea edx, [esp + 0x7c]
push 0x7d6d7c
push edx
call fcn.00590074
add esp, 8
test eax, eax
je 0x500012
lea eax, [esp + 0x7c]
push 0x7d6d78
push eax
call fcn.00590074
add esp, 8
test eax, eax
je 0x500012
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 0x4fffa2
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.005b3823
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 0x500880
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 0x5008e2
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 0x5008f0
Capabilities:
Create process on windows

Disassembly:
push 0xffffffffffffffff
push 0x5bf85b
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x20c
mov eax, dword [0x7ea084]
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 0x500a28
mov ecx, dword [edi + 0x48]
lea esi, [edi + 0x48]
mov eax, dword [ecx - 8]
test eax, eax
jne 0x500956
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.005b3823
xor eax, eax
jmp 0x500a9f
push str.mailto:
lea ecx, [esp + 0xc]
call fcn.005b3960
push esi
lea ecx, [esp + 0xc]
call fcn.005b3bef
mov ecx, dword [esp + 8]
push ebx
push ebp
mov ebp, dword [esp + 0x22c]
push ebp
push 0
push 0
push ecx
push 0x7d6db4
push 0
call dword [sym.imp.SHELL32.dll_ShellExecuteA]
mov esi, eax
cmp esi, 0x20
ja 0x500a7d
lea edx, [esp + 0x14]
mov ecx, edi
push edx
push str..htm
push closesocket
call fcn.00500880
test eax, eax
jne 0x500a7d
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.00500880
test eax, eax
jne 0x500a7d
lea eax, [esp + 0x14]
push 0x7d6d90
push eax
call fcn.005911d0
mov esi, eax
add esp, 8
test esi, esi
jne 0x500a5c
lea ecx, [esp + 0x14]
push 0x7d6d8c
push ecx
call fcn.00591150
mov esi, eax
add esp, 8
test esi, esi
jne 0x500a5c
lea edx, [esp + 0x14]
push edx
call dword [sym.imp.KERNEL32.dll_lstrlenA]
lea esi, [esp + eax + 0x13]
jmp 0x500a5f
lea edx, [edi + 0x4c]
lea ecx, [esp + 8]
push edx
call fcn.005b3910
mov eax, dword [esp + 8]
mov ecx, dword [eax - 8]
test ecx, ecx
jne 0x50096e
lea ecx, [esp + 8]
mov dword [esp + 0x21c], 0xffffffff
call fcn.005b3823
xor eax, eax
jmp 0x500a9f
mov byte [esi], 0
push 0x7d6d88
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.005b3823
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 0x5065aa
Capabilities:
Access peb ldr_data
Get process heap force flags

Disassembly:
push 0xffffffffffffffff
push 0x5bff98
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x20
push ebx
push ebp
push esi
mov esi, ecx
push edi
mov dword [esp + 0x10], esi
call fcn.005b4dfb
xor ebp, ebp
mov dword [esi], 0x6f15a8
mov dword [esi + 0x3c], ebp
mov dword [esi + 0x40], ebp
lea edi, [esi + 0x44]
mov dword [esp + 0x38], ebp
mov dword [esp + 0x14], edi
lea ecx, [edi + 0x18]
mov dword [edi], fcn.0051cfc0
call fcn.004f60c0
lea ecx, [edi + 0x30]
mov byte [esp + 0x38], 1
call fcn.005b289d
lea ebx, [edi + 0x44]
mov ecx, ebx
call fcn.004f60c0
mov dword [ebx], 0x6f1194
mov dword [edi], 0x6f14c0
mov dword [esi + 0xa0], ebp
mov dword [esi + 0x9c], 0x6f0a88
lea ecx, [esi + 0xb0]
call fcn.004f60c0
lea edi, [esi + 0xc8]
mov dword [edi + 4], ebp
mov dword [edi], 0x6f159c
mov byte [esp + 0x38], 5
mov dword [esi], 0x6f14c8
mov dword [esi + 0xac], ebp
call fcn.005bd562
mov eax, dword [eax + 0xc]
push 0x40e
push eax
call dword [sym.imp.USER32.dll_LoadBitmapA]
push eax
mov ecx, edi
call fcn.005ba49a
mov ecx, dword [esi + 0xcc]
lea eax, [esp + 0x18]
push eax
push 0x18
push ecx
call dword [sym.imp.GDI32.dll_GetObjectA]
mov ecx, dword [esp + 0x1c]
mov eax, 0x55555556
imul ecx
mov ecx, dword [esp + 0x20]
mov eax, edx
shr eax, 0x1f
add edx, eax
mov dword [esi + 0xd4], ecx
mov ecx, dword [esp + 0x30]
mov dword [esi + 0xd0], edx
mov eax, esi
pop edi
pop esi
pop ebp
pop ebx
mov dword fs:[0], ecx
add esp, 0x2c
ret

Function at 0x506740
Capabilities:
Access peb ldr_data
Get process heap force flags

Disassembly:
push 0xffffffffffffffff
push 0x5c0025
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 8
push esi
mov esi, ecx
push edi
mov dword [esp + 8], esi
mov dword [esi], 0x6f14c8
mov dword [esp + 0x18], 0
lea ecx, [esi + 0xc8]
mov dword [esp + 0xc], ecx
mov dword [ecx], method.CGdiObject.virtual_0
mov byte [esp + 0x18], 4
call fcn.005ba4f1
lea ecx, [esi + 0xb0]
mov byte [esp + 0x18], 2
mov dword [ecx], 0x6f08f0
call fcn.004f62c0
lea ecx, [esi + 0x9c]
mov dword [esp + 0xc], ecx
mov dword [ecx], method.CGdiObject.virtual_0
mov byte [esp + 0x18], 5
call fcn.005ba4f1
lea edi, [esi + 0x44]
mov dword [esp + 0xc], edi
lea ecx, [edi + 0x44]
mov byte [esp + 0x18], 7
mov dword [ecx], 0x6f08f0
call fcn.004f62c0
lea ecx, [edi + 0x30]
mov byte [esp + 0x18], 6
call fcn.005b28d0
lea ecx, [edi + 0x18]
mov byte [esp + 0x18], 0
mov dword [ecx], 0x6f08f0
call fcn.004f62c0
mov ecx, esi
mov dword [esp + 0x18], 0xffffffff
call fcn.005bb8ed
mov ecx, dword [esp + 0x10]
pop edi
pop esi
mov dword fs:[0], ecx
add esp, 0x14
ret
Function at 0x516970
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 0x5169de
cmp si, 0x69
ja 0x5169de
add esi, 0xffd0
cmp si, 0x11
je 0x5169ae
push 0x11
call edi
test ax, ax
jge 0x5169ae
or esi, 0x2000
cmp si, 0x10
je 0x5169c3
push 0x10
call edi
test ax, ax
jge 0x5169c3
or esi, 0x4000
cmp si, 0x12
je 0x5169d8
push 0x12
call edi
test ax, ax
jge 0x5169d8
or esi, 0x8000
mov ax, si
pop edi
pop esi
ret
cmp si, 0x6d
jne 0x5169eb
mov esi, 0xbd
jmp 0x51699f
cmp si, 0x6e
jne 0x5169f8
mov esi, 0xbe
jmp 0x51699f
cmp si, 0x6f
jne 0x516999
mov esi, 0xbf
jmp 0x51699f

Function at 0x518380
Capabilities:
Encrypt data using rc4 ksa

Disassembly:
push ecx
mov eax, dword [0x7fbc20]
xor edx, edx
cmp eax, edx
jne 0x5183a6
xor eax, eax
mov byte [eax + 0x7fbb20], al
inc eax
cmp eax, 0x100
jl 0x51838e
mov dword [0x7fbc20], 1
mov eax, dword [esp + 0xc]
push ebx
mov ebx, dword [esp + 0x14]
push esi
push edi
mov ecx, 0x40
mov esi, 0x7fbb20
mov edi, ebx
rep movsd dword es:[edi], dword [esi]
cmp eax, edx
mov byte [ebx + 0x100], dl
mov byte [ebx + 0x101], dl
jle 0x518437
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 0x51840a
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 0x5183d8
pop ebp
pop edi
pop esi
pop ebx
pop ecx
ret

Function at 0x518440
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 0x518493
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 0x51847a
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 0x51f4c0
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 0x51f658
cmp ebp, ebx
jle 0x51f658
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 0x51f51e
dec eax
or eax, 0xfffffff8
inc eax
je 0x51f525
inc edi
mov dword [esp + 0x10], edi
mov ecx, edi
and ecx, reloc.WS2_32.dll_accept
jns 0x51f534
dec ecx
or ecx, 0xfffffffe
inc ecx
je 0x51f53b
inc edi
mov dword [esp + 0x10], edi
push 0x18
call fcn.005b3564
add esp, 4
cmp eax, ebx
je 0x51f55c
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.005b3564
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 0x51f64e
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 0x51f635
mov al, byte [edx]
cmp al, 0xc0
jbe 0x51f621
and eax, 0xff
sub eax, 0xc0
inc edx
mov esi, eax
mov dword [esp + 0x24], edx
cmp esi, 1
jle 0x51f616
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 0x51f624
mov al, byte [edx]
mov esi, dword [esp + 0x18]
mov byte [ebp], al
jmp 0x51f624
mov byte [ebp], al
inc ebp
add ecx, 8
inc edx
cmp ecx, esi
mov dword [esp + 0x2c], ecx
jl 0x51f5c0
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 0x51f5b1
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 0x521890
Capabilities:
Initialize winsock library

Disassembly:
sub esp, 0x190
push esi
mov esi, ecx
call fcn.005b4dfb
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 0x521a10
Capabilities:
Resolve dns

Disassembly:
push ebx
push esi
mov esi, dword [esp + 0x10]
test esi, esi
je 0x521a97
cmp byte [esi], 0
je 0x521a97
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 0x521a85
push esi
call dword [sym.imp.WS2_32.dll_gethostbyname]
test eax, eax
je 0x521a97
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 0x521c83
Capabilities:
Connect socket

Disassembly:
sub esp, 0x10
push esi
mov esi, ecx
mov eax, dword [esi]
call dword [eax + 0xbc]
test eax, eax
je 0x521cf2
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.00521a10
test eax, eax
je 0x521cf2
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 0x521ceb
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 0x521ceb
mov eax, 1
mov dword [esi + 0x48], eax
pop esi
add esp, 0x10
ret 8
mov ecx, esi
call fcn.00521c50
xor eax, eax
pop esi
add esp, 0x10
ret 8

Function at 0x522cd0
Capabilities:
Access peb ldr_data

Disassembly:
mov eax, dword fs:[0]
push 0xffffffffffffffff
push 0x5c1668
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 0x522d09
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.005baf41
mov eax, dword [esp + 0x40]
push 0
push edi
push eax
lea ecx, [esp + 0x14]
mov dword [esp + 0x44], 0
call fcn.005baf8d
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.00522d90
lea ecx, [esp + 8]
mov esi, eax
mov dword [esp + 0x38], 0xffffffff
call fcn.005bafca
mov ecx, dword [esp + 0x30]
mov eax, esi
pop edi
pop esi
mov dword fs:[0], ecx
add esp, 0x34
ret 0x24