joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4920ee
Capabilities:
Read file on windows

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
sub esp, 0x1c
mov eax, dword [ebp + 8]
mov ecx, eax
push ebx
mov ebx, dword [ebp + 0xc]
and eax, 0x3f
push esi
sar ecx, 6
push edi
imul edi, eax, 0x38
mov dword [ebp - 8], ecx
mov eax, dword [ecx*4 + 0x63dc98]
push 0xa
pop edx
mov dword [ebp - 0x18], edx
mov ecx, dword [eax + edi + 0x18]
mov dword [ebp - 0x1c], ecx
mov ecx, dword [ebp + 0x10]
test ecx, ecx
je 0x492134
cmp word [ebx], dx
jne 0x492134
or byte [eax + edi + 0x28], 4
jmp 0x492139
and byte [eax + edi + 0x28], 0xfb
lea edx, [ebx + ecx*2]
mov eax, ebx
mov dword [ebp - 0xc], edx
mov esi, ebx
mov dword [ebp - 4], eax
cmp ebx, edx
jae 0x49229c
mov dword [ebp - 0x10], 0xd
movzx ecx, word [eax]
mov edx, ecx
mov dword [ebp - 0x14], edx
mov edx, dword [ebp - 0xc]
cmp ecx, 0x1a
je 0x49227c
add eax, 2
cmp cx, word [ebp - 0x10]
je 0x49217a
mov dword [ebp - 4], eax
mov word [esi], cx
jmp 0x4921b0
cmp eax, edx
jae 0x4921be
movzx eax, word [eax]
xor ecx, ecx
cmp ax, word [ebp - 0x18]
mov edx, eax
push 0xa
sete cl
xor eax, eax
lea ecx, [ecx*2 + 2]
add dword [ebp - 4], ecx
pop ecx
cmp dx, cx
mov edx, dword [ebp - 0xc]
sete al
dec eax
and eax, 3
add eax, ecx
mov word [esi], ax
mov eax, dword [ebp - 4]
push 2
pop ecx
add esi, ecx
cmp eax, edx
jb 0x492155
jmp 0x49229c
push 0
lea eax, [ebp - 0x18]
push eax
push 2
lea eax, [ebp - 4]
push eax
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
je 0x492277
cmp dword [ebp - 0x18], 0
je 0x492277
mov edx, dword [ebp - 8]
push 0xa
mov eax, dword [edx*4 + 0x63dc98]
test byte [eax + edi + 0x28], 0x48
je 0x49224d
lea eax, [esi + 2]
mov dword [ebp - 0x1c], eax
mov ax, word [ebp - 4]
pop ecx
mov word [ebp - 2], ax
cmp ax, cx
jne 0x492211
mov word [esi], cx
jmp 0x492248
push 0xd
pop ecx
mov word [esi], cx
movzx ecx, ax
mov eax, dword [edx*4 + 0x63dc98]
mov dx, word [ebp - 2]
shr ecx, 8
push 0xa
mov byte [eax + edi + 0x2a], dl
mov edx, dword [ebp - 8]
mov eax, dword [edx*4 + 0x63dc98]
mov byte [eax + edi + 0x2b], cl
mov eax, dword [edx*4 + 0x63dc98]
pop ecx
mov byte [eax + edi + 0x2c], cl
mov esi, dword [ebp - 0x1c]
jmp 0x49229c
pop eax
cmp word [ebp - 4], ax
jne 0x49225d
cmp esi, ebx
jne 0x49225d
mov word [esi], ax
jmp 0x492299
push 1
push 0xffffffffffffffff
push 0xfffffffffffffffe
push dword [ebp + 8]
call fcn.0048e464
add esp, 0x10
push 0xa
pop eax
cmp word [ebp - 4], ax
je 0x49229c
push 0xd
pop eax
jmp 0x492258
mov edx, dword [ebp - 8]
mov edx, dword [edx*4 + 0x63dc98]
mov al, byte [edx + edi + 0x28]
test al, 0x40
jne 0x492296
or al, 2
mov byte [edx + edi + 0x28], al
jmp 0x49229c
mov word [esi], cx
add esi, 2
sub esi, ebx
and esi, 0xfffffffe
pop edi
mov eax, esi
pop esi
pop ebx
leave
ret
Function at 0x495df1
Capabilities:
Enumerate files on windows

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
sub esp, 0x264
mov eax, dword [0x6370c0]
xor eax, ebp
mov dword [ebp - 4], eax
mov edx, dword [ebp + 0xc]
mov ecx, dword [ebp + 0x10]
push ebx
push esi
push edi
mov edi, dword [ebp + 8]
mov dword [ebp - 0x25c], ecx
cmp edx, edi
je 0x495e3c
movzx eax, word [edx]
lea ecx, [ebp - 0x255]
push eax
call fcn.00495f8c
test al, al
jne 0x495e36
sub edx, 2
cmp edx, edi
jne 0x495e1c
mov ecx, dword [ebp - 0x25c]
movzx esi, word [edx]
cmp esi, 0x3a
jne 0x495e5e
lea eax, [edi + 2]
cmp edx, eax
je 0x495e5e
push ecx
xor ebx, ebx
push ebx
push ebx
push edi
call fcn.00495d3d
add esp, 0x10
jmp 0x495f58
push esi
lea ecx, [ebp - 0x255]
call fcn.00495f8c
sub edx, edi
movzx eax, al
sar edx, 1
inc edx
neg eax
sbb eax, eax
xor ebx, ebx
push ebx
push ebx
and eax, edx
push ebx
mov dword [ebp - 0x260], eax
lea eax, [ebp - 0x254]
push eax
push ebx
push edi
call dword [sym.imp.KERNEL32.dll_FindFirstFileExW]
mov esi, eax
cmp esi, 0xffffffff
jne 0x495ea1
push dword [ebp - 0x25c]
jmp 0x495e4e
mov ebx, dword [ebp - 0x25c]
push 0x2e
mov eax, dword [ebx + 4]
sub eax, dword [ebx]
sar eax, 2
mov dword [ebp - 0x25c], eax
pop eax
cmp word [ebp - 0x228], ax
jne 0x495ede
cmp word [ebp - 0x226], 0
je 0x495eff
cmp word [ebp - 0x226], ax
jne 0x495ede
cmp word [ebp - 0x224], 0
je 0x495eff
push ebx
push dword [ebp - 0x260]
lea eax, [ebp - 0x228]
push edi
push eax
call fcn.00495d3d
add esp, 0x10
mov dword [ebp - 0x264], eax
test eax, eax
jne 0x495f4b
lea eax, [ebp - 0x254]
push eax
push esi
call dword [sym.imp.KERNEL32.dll_FindNextFileW]
push 0x2e
test eax, eax
pop eax
jne 0x495eb8
mov eax, dword [ebx + 4]
mov edx, dword [ebx]
sub eax, edx
mov ecx, dword [ebp - 0x25c]
sar eax, 2
cmp ecx, eax
jne 0x495f33
push esi
call dword [sym.imp.KERNEL32.dll_FindClose]
xor eax, eax
jmp 0x495f58
push 0x495b6d
sub eax, ecx
push 4
push eax
lea eax, [edx + ecx*4]
push eax
call fcn.0048bff0
add esp, 0x10
jmp 0x495f28
push esi
call dword [sym.imp.KERNEL32.dll_FindClose]
mov eax, dword [ebp - 0x264]
mov ecx, dword [ebp - 4]
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.0042db10
leave
ret
Function at 0x49686e
Capabilities:
Query environment variable

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
push ecx
push ecx
push esi
call dword [sym.imp.KERNEL32.dll_GetEnvironmentStringsW]
mov esi, eax
test esi, esi
je 0x49690b
push ebx
push esi
call fcn.00496837
xor ebx, ebx
sub eax, esi
push ebx
push ebx
push ebx
push ebx
sar eax, 1
push eax
push esi
push ebx
push ebx
mov dword [ebp - 8], eax
call fcn.00495062
add esp, 0x24
mov dword [ebp - 4], eax
test eax, eax
jne 0x4968b8
push esi
call dword [sym.imp.KERNEL32.dll_FreeEnvironmentStringsW]
xor eax, eax
jmp 0x49690a
push edi
push eax
call fcn.0048ec1f
mov edi, eax
pop ecx
push ebx
test edi, edi
jne 0x4968d8
call fcn.0048e5bc
pop ecx
push esi
call dword [sym.imp.KERNEL32.dll_FreeEnvironmentStringsW]
xor eax, eax
jmp 0x496909
push ebx
push dword [ebp - 4]
push edi
push dword [ebp - 8]
push esi
push ebx
push ebx
call fcn.00495062
add esp, 0x20
test eax, eax
jne 0x4968f7
push edi
call fcn.0048e5bc
jmp 0x4968ff
push ebx
call fcn.0048e5bc
mov ebx, edi
pop ecx
push esi
call dword [sym.imp.KERNEL32.dll_FreeEnvironmentStringsW]
mov eax, ebx
pop edi
pop ebx
pop esi
leave
ret

Function at 0x49690e
Capabilities:
Query environment variable

Disassembly:
mov edi, edi
push esi
call dword [sym.imp.KERNEL32.dll_GetEnvironmentStringsW]
mov esi, eax
test esi, esi
jne 0x49691f
pop esi
ret
push ebx
push edi
push esi
call fcn.00496837
mov ebx, eax
sub ebx, esi
and ebx, 0xfffffffe
push ebx
call fcn.0048ec1f
mov edi, eax
pop ecx
pop ecx
test edi, edi
je 0x496947
push ebx
push esi
push edi
call fcn.00477010
add esp, 0xc
push 0
call fcn.0048e5bc
pop ecx
push esi
call dword [sym.imp.KERNEL32.dll_FreeEnvironmentStringsW]
mov eax, edi
pop edi
pop ebx
pop esi
ret

Function at 0x4970a1
Capabilities:
Set environment variable

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
pop ebp
jmp fcn.00496bbc

Function at 0x499653
Capabilities:
Get geographical location

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
push ecx
push esi
push edi
call fcn.0048e934
mov esi, dword [ebp + 8]
mov edi, eax
push 2
lea eax, [ebp - 4]
mov ecx, esi
push eax
and ecx, 0x3ff
push 0x20000001
or ecx, 0x400
push ecx
call dword [sym.imp.KERNEL32.dll_GetLocaleInfoW]
test eax, eax
je 0x4996c2
cmp esi, dword [ebp - 4]
je 0x4996bd
cmp dword [ebp + 0xc], 0
je 0x4996bd
mov esi, dword [edi + 0x50]
lea ecx, [esi + 2]
mov ax, word [esi]
add esi, 2
test ax, ax
jne 0x49969a
push dword [edi + 0x50]
sub esi, ecx
sar esi, 1
call fcn.004991a5
pop ecx
xor ecx, ecx
cmp eax, esi
setne cl
mov eax, ecx
jmp 0x4996c4
xor eax, eax
inc eax
jmp 0x4996c4
xor eax, eax
pop edi
pop esi
leave
ret
Function at 0x499729
Capabilities:
Get geographical location

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
sub esp, 0x18
mov eax, dword [0x6370c0]
xor eax, ebp
mov dword [ebp - 4], eax
mov eax, dword [ebp + 0xc]
push ebx
mov ebx, dword [ebp + 0x10]
push esi
mov esi, dword [ebp + 8]
push edi
mov dword [ebp - 0x18], eax
call fcn.0048e934
add eax, 0x50
lea edi, [ebp - 0x10]
mov dword [ebp - 0x14], eax
xor eax, eax
stosd dword es:[edi], eax
stosd dword es:[edi], eax
stosd dword es:[edi], eax
call fcn.0048e934
lea ecx, [ebp - 0x10]
xor edx, edx
mov dword [eax + 0x34c], ecx
lea ecx, [esi + 0x80]
mov eax, dword [ebp - 0x14]
mov dword [eax], esi
lea edi, [eax + 4]
mov dword [edi], ecx
test ecx, ecx
je 0x4997a0
cmp word [ecx], dx
je 0x4997a0
mov eax, dword [0x5bf684]
push edi
dec eax
push eax
push 0x5bf570
call fcn.004996c8
mov eax, dword [ebp - 0x14]
add esp, 0xc
xor edx, edx
mov dword [ebp - 0x10], edx
mov eax, dword [eax]
test eax, eax
je 0x499813
cmp word [eax], dx
je 0x499813
mov eax, dword [edi]
test eax, eax
je 0x4997c4
cmp word [eax], dx
je 0x4997c4
lea eax, [ebp - 0x10]
push eax
call fcn.004990ab
jmp 0x4997cd
lea eax, [ebp - 0x10]
push eax
call fcn.00499146
cmp dword [ebp - 0x10], 0
pop ecx
jne 0x49983d
mov eax, dword [0x5bf56c]
push dword [ebp - 0x14]
dec eax
push eax
push 0x5bf260
call fcn.004996c8
add esp, 0xc
test al, al
je 0x49983d
mov eax, dword [edi]
xor edi, edi
test eax, eax
je 0x499808
cmp word [eax], di
je 0x499808
lea eax, [ebp - 0x10]
push eax
call fcn.004990ab
pop ecx
jmp 0x49983f
lea eax, [ebp - 0x10]
push eax
call fcn.00499146
jmp 0x499805
mov eax, dword [edi]
test eax, eax
je 0x49982a
cmp word [eax], dx
je 0x49982a
lea eax, [ebp - 0x10]
push eax
call fcn.00499060
pop ecx
jmp 0x49983d
mov dword [ebp - 0x10], 0x104
call dword [sym.imp.KERNEL32.dll_GetUserDefaultLCID]
mov dword [ebp - 8], eax
mov dword [ebp - 0xc], eax
xor edi, edi
cmp dword [ebp - 0x10], 0
je 0x499908
lea eax, [ebp - 0x10]
push eax
lea eax, [esi + 0x100]
neg esi
sbb esi, esi
and esi, eax
push esi
call fcn.0049954d
mov esi, eax
pop ecx
pop ecx
test esi, esi
je 0x499908
movzx ecx, si
push ecx
call dword [sym.imp.KERNEL32.dll_IsValidCodePage]
test eax, eax
je 0x499908
push 1
push dword [ebp - 0xc]
call dword [sym.imp.KERNEL32.dll_IsValidLocale]
test eax, eax
je 0x499908
mov eax, dword [ebp - 0x18]
test eax, eax
je 0x499895
mov dword [eax], esi
mov eax, dword [ebp - 0x14]
push edi
push 0x55
add eax, 0x250
push eax
push dword [ebp - 0xc]
call fcn.00490581
test ebx, ebx
je 0x499903
push edi
push 0x55
lea eax, [ebx + 0x120]
push eax
push dword [ebp - 0xc]
call fcn.00490581
push 0x40
push ebx
push 0x1001
push dword [ebp - 0xc]
call dword [sym.imp.KERNEL32.dll_GetLocaleInfoW]
test eax, eax
je 0x499908
push 0x40
lea eax, [ebx + 0x80]
push eax
push 0x1002
push dword [ebp - 8]
call dword [sym.imp.KERNEL32.dll_GetLocaleInfoW]
test eax, eax
je 0x499908
push 0xa
push 0x10
lea ecx, [ebx + 0x100]
push ecx
push esi
call fcn.0049dac2
add esp, 0x10
xor eax, eax
inc eax
jmp 0x49990a
xor eax, eax
mov ecx, dword [ebp - 4]
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.0042db10
leave
ret
Function at 0x49dc49
Capabilities:
Get disk information

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
sub esp, 0xc
mov eax, dword [0x6370c0]
xor eax, ebp
mov dword [ebp - 4], eax
mov eax, dword [ebp + 8]
cmp eax, 0x1a
jbe 0x49dc8c
call fcn.0047fde9
mov dword [eax], 0xf
call fcn.0047fdfc
mov dword [eax], 0xd
call fcn.0047a9b0
xor eax, eax
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0042db10
leave
ret
test eax, eax
jne 0x49dc93
inc eax
jmp 0x49dc80
add eax, 0x40
push 0x3a
mov word [ebp - 0xc], ax
pop eax
mov word [ebp - 0xa], ax
push 0x5c
pop eax
mov word [ebp - 8], ax
xor eax, eax
mov word [ebp - 6], ax
lea eax, [ebp - 0xc]
push eax
call dword [sym.imp.KERNEL32.dll_GetDriveTypeW]
mov ecx, eax
test ecx, ecx
je 0x49dc7e
xor eax, eax
cmp ecx, 1
setne al
jmp 0x49dc80
Function at 0x49e2a5
Capabilities:
Clear file content

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
sub esp, 0x2c
push ebx
mov ebx, dword [ebp + 8]
lea ecx, [ebp - 0x2c]
push esi
push edi
push dword [ebp + 0x10]
mov edi, dword [ebp + 0x14]
push dword [ebp + 0xc]
push ebx
call fcn.0049e221
mov eax, dword [ebp - 0x2c]
and eax, dword [ebp - 0x28]
cmp eax, 0xffffffff
je 0x49e414
mov eax, dword [ebp - 0x24]
and eax, dword [ebp - 0x20]
cmp eax, 0xffffffff
je 0x49e414
mov ecx, dword [ebp - 0x18]
mov eax, dword [ebp - 0x1c]
mov dword [ebp - 8], ecx
mov dword [ebp - 4], eax
test ecx, ecx
jl 0x49e3c9
jg 0x49e301
test eax, eax
je 0x49e3bf
push 1
push 0x1000
call fcn.0048feac
mov esi, eax
pop ecx
pop ecx
test esi, esi
jne 0x49e324
push 0xc
pop ebx
mov byte [edi + 0x1c], 1
mov dword [edi + 0x18], ebx
jmp 0x49e3b6
push 0x8000
push ebx
call fcn.0048a67b
pop ecx
pop ecx
mov ecx, dword [ebp - 0x1c]
mov dword [ebp - 0xc], eax
mov eax, dword [ebp - 0x18]
test eax, eax
jl 0x49e34d
jg 0x49e348
cmp ecx, 0x1000
jb 0x49e34d
mov ecx, 0x1000
push edi
push ecx
push esi
push ebx
call fcn.00491b2d
add esp, 0x10
cmp eax, 0xffffffff
je 0x49e392
mov ecx, dword [ebp - 4]
cdq
sub ecx, eax
mov eax, dword [ebp - 8]
mov dword [ebp - 4], ecx
sbb eax, edx
mov dword [ebp - 8], eax
test eax, eax
jg 0x49e348
jl 0x49e379
test ecx, ecx
jne 0x49e33a
push dword [ebp - 0xc]
push ebx
call fcn.0048a67b
push esi
call fcn.0048e5bc
add esp, 0xc
xor ebx, ebx
jmp 0x49e422
cmp byte [edi + 0x24], 0
je 0x49e3a9
cmp dword [edi + 0x20], 5
jne 0x49e3a9
mov byte [edi + 0x1c], 1
mov dword [edi + 0x18], 0xd
cmp byte [edi + 0x1c], 0
je 0x49e3b4
mov ebx, dword [edi + 0x18]
jmp 0x49e3b6
xor ebx, ebx
push esi
call fcn.0048e5bc
pop ecx
jmp 0x49e422
test ecx, ecx
jg 0x49e38b
jl 0x49e3c9
test eax, eax
jae 0x49e38b
push 0
push dword [ebp + 0x10]
push dword [ebp + 0xc]
push ebx
call fcn.0048e464
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
jne 0x49e3e9
cmp byte [edi + 0x1c], 0
je 0x49e38b
jmp 0x49e41a
push ebx
call fcn.00497672
pop ecx
push eax
call dword [sym.imp.KERNEL32.dll_SetEndOfFile]
test eax, eax
jne 0x49e38b
call dword [sym.imp.KERNEL32.dll_GetLastError]
push 0xd
mov byte [edi + 0x24], 1
mov dword [edi + 0x20], eax
pop ebx
mov byte [edi + 0x1c], 1
mov dword [edi + 0x18], ebx
jmp 0x49e422
cmp byte [edi + 0x1c], 0
je 0x49e41f
mov ebx, dword [edi + 0x18]
jmp 0x49e422
push 0x16
pop ebx
push 0
push dword [ebp - 0x28]
push dword [ebp - 0x2c]
push dword [ebp - 0x14]
call fcn.0048e464
add esp, 0x10
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret

Function at 0x49fb70
Capabilities:
Parse pe header

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 8]
mov ecx, 0x5a4d
cmp word [eax], cx
jne 0x49fb9d
mov ecx, dword [eax + 0x3c]
add ecx, eax
cmp dword [ecx], 0x4550
jne 0x49fb9d
mov edx, 0x10b
xor eax, eax
cmp word [ecx + 0x18], dx
sete al
pop ebp
ret
xor eax, eax
pop ebp
ret
Function at 0x4a18f0
Capabilities:
Compute adler32 checksum

Disassembly:
push ebp
mov ebp, esp
pop ebp
jmp fcn.004a1900

Function at 0x4a1b80
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 0xc]
test eax, eax
jne 0x4a1b8c
pop ebp
ret
mov dword [ebp + 0xc], eax
pop ebp
jmp fcn.004a1ba0
Function at 0x508e90
Capabilities:
Encode data using xor

Disassembly:
push esi
mov esi, dword [esp + 0x10]
xor dl, dl
test esi, esi
je 0x508eb7
mov eax, dword [esp + 8]
push edi
mov edi, dword [esp + 0x10]
sub edi, eax
mov cl, byte [edi + eax]
lea eax, [eax + 1]
xor cl, byte [eax - 1]
or dl, cl
sub esi, 1
jne 0x508ea6
pop edi
movzx eax, dl
pop esi
ret

Function at 0x510c00
Capabilities:
Resolve dns

Disassembly:
mov eax, 0x20
call fcn.0042ee10
push ebx
push esi
mov esi, dword [esp + 0x38]
xor ebx, ebx
mov eax, esi
sub eax, ebx
je 0x510c48
sub eax, 2
je 0x510c48
sub eax, 0x15
je 0x510c48
push 0x293
push str.crypto_bio_b_addr.c
push 0x83
push 0x8f
push 0x20
call fcn.004eae50
add esp, 0x14
pop esi
xor eax, eax
pop ebx
add esp, 0x20
ret
call fcn.00515990
cmp eax, 1
jne 0x510c40
mov eax, dword [esp + 0x3c]
xorps xmm0, xmm0
movups xmmword [esp + 8], xmm0
push ebp
mov dword [esp + 0x14], eax
mov eax, dword [esp + 0x44]
push edi
xor edi, edi
mov dword [esp + 0x1c], eax
mov eax, dword [esp + 0x10]
mov dword [esp + 0x14], esi
movups xmmword [esp + 0x20], xmm0
test esi, esi
jne 0x510c88
or eax, 0x400
mov dword [esp + 0x10], eax
cmp dword [esp + 0x3c], 1
jne 0x510c96
or eax, 1
mov dword [esp + 0x10], eax
mov ebp, dword [esp + 0x4c]
lea eax, [esp + 0x10]
push ebp
push eax
push dword [esp + 0x40]
push dword [esp + 0x40]
call dword [sym.imp.WS2_32.dll_getaddrinfo]
mov esi, eax
test esi, esi
je 0x510cec
cmp esi, 8
je 0x510d33
mov eax, dword [esp + 0x10]
test eax, 0x400
je 0x510cfb
and eax, 0xfffffbff
mov edi, esi
or eax, 4
push ebp
mov dword [esp + 0x14], eax
lea eax, [esp + 0x14]
push eax
push dword [esp + 0x40]
push dword [esp + 0x40]
call dword [sym.imp.WS2_32.dll_getaddrinfo]
mov esi, eax
test esi, esi
jne 0x510cb4
mov ebx, 1
pop edi
pop ebp
pop esi
mov eax, ebx
pop ebx
add esp, 0x20
ret
push 0x2d6
push str.crypto_bio_b_addr.c
push 2
push 0x8f
push 0x20
call fcn.004eae50
test edi, edi
cmovne esi, edi
push esi
call fcn.00511190
push eax
push 1
call fcn.004ea640
add esp, 0x20
pop edi
pop ebp
pop esi
mov eax, ebx
pop ebx
add esp, 0x20
ret
push 0x2c7
push str.crypto_bio_b_addr.c
push 0x41
push 0x8f
push 0x20
call fcn.004eae50
add esp, 0x14
pop edi
pop ebp
pop esi
mov eax, ebx
pop ebx
add esp, 0x20
ret
Function at 0x529690
Capabilities:
Generate random numbers via winapi

Disassembly:
mov eax, 4
call fcn.0042ee10
push ebx
push ebp
push esi
mov esi, dword [esp + 0x14]
push edi
push 1
push esi
xor edi, edi
call fcn.004e8240
mov ebx, eax
push ebx
push esi
call fcn.004e8120
mov ebp, eax
add esp, 0x10
test ebp, ebp
je 0x529719
push 0xf0000040
push 1
push edi
push edi
lea eax, [esp + 0x20]
push eax
call dword [sym.imp.ADVAPI32.dll_CryptAcquireContextW]
test eax, eax
je 0x5296f3
push ebp
push ebx
push dword [esp + 0x18]
call dword [sym.imp.ADVAPI32.dll_CryptGenRandom]
push 0
push dword [esp + 0x14]
test eax, eax
cmovne edi, ebx
call dword [sym.imp.ADVAPI32.dll_CryptReleaseContext]
lea eax, [edi*8]
push eax
push edi
push esi
call fcn.004e8190
push esi
call fcn.004e82e0
mov edi, eax
add esp, 0x10
test edi, edi
je 0x529719
mov eax, edi
pop edi
pop esi
pop ebp
pop ebx
pop ecx
ret
push 1
push esi
call fcn.004e8240
mov ebx, eax
push ebx
push esi
call fcn.004e8120
mov ebp, eax
add esp, 0x10
test ebp, ebp
je 0x529788
push 0xf0000040
push 0x16
push str.Intel_Hardware_Cryptographic_Service_Provider
xor edi, edi
lea eax, [esp + 0x1c]
push edi
push eax
call dword [sym.imp.ADVAPI32.dll_CryptAcquireContextW]
test eax, eax
je 0x52976e
push ebp
push ebx
push dword [esp + 0x18]
call dword [sym.imp.ADVAPI32.dll_CryptGenRandom]
push 0
push dword [esp + 0x14]
test eax, eax
cmovne edi, ebx
call dword [sym.imp.ADVAPI32.dll_CryptReleaseContext]
lea eax, [edi*8]
push eax
push edi
push esi
call fcn.004e8190
push esi
call fcn.004e82e0
add esp, 0x10
mov edi, eax
test edi, edi
jne 0x529711
push esi
call fcn.004e82e0
add esp, 4
pop edi
pop esi
pop ebp
pop ebx
pop ecx
ret
Function at 0x546890
Capabilities:
Encode data using xor
Encrypt data using rc4 prga

Disassembly:
mov eax, dword [esp + 0x10]
mov edx, 0x400
push ebx
push ebp
mov ebp, dword [esp + 0xc]
push esi
push edi
mov edi, 0x80
mov esi, edx
mov ecx, edi
mov byte [ebp], 0
cmp dword [esp + 0x18], ecx
cmovle ecx, dword [esp + 0x18]
test eax, eax
cmovg esi, eax
cmp esi, edx
cmovg esi, edx
mov dword [esp + 0x14], esi
test ecx, ecx
jle 0x5468e5
mov ebx, dword [esp + 0x1c]
mov edx, ebp
sub ebx, ebp
mov esi, ecx
mov al, byte [ebx + edx]
lea edx, [edx + 1]
mov byte [edx - 1], al
sub esi, 1
jne 0x5468d3
mov esi, dword [esp + 0x14]
movzx ebx, byte [ecx + ebp - 1]
cmp ecx, edi
jge 0x54690a
mov edx, ebp
movzx eax, byte [edx]
lea edx, [edx + 1]
add eax, ebx
movzx eax, al
movzx ebx, byte [eax + 0x5fae80]
mov byte [ecx + ebp], bl
inc ecx
cmp ecx, edi
jl 0x5468f0
mov ecx, dword [esp + 0x14]
lea ebx, [esi + 7]
sar ebx, 3
neg ecx
sub edi, ebx
and ecx, 7
movzx eax, byte [edi + ebp]
lea esi, [edi + ebp]
mov edx, 0xff
sar edx, cl
and edx, eax
movzx ecx, byte [edx + 0x5fae80]
mov byte [esi], cl
test edi, edi
je 0x546958
nop dword [eax + eax]
movzx eax, byte [esi + ebx - 1]
lea esi, [esi - 1]
xor eax, ecx
movzx ecx, byte [eax + 0x5fae80]
mov byte [esi], cl
sub edi, 1
jne 0x546940
lea esi, [ebp + 0xfc]
mov edi, 0x40
lea edx, [ebp + 0x7e]
movzx ecx, byte [edx + 1]
lea esi, [esi - 4]
movzx eax, byte [edx]
lea edx, [edx - 2]
shl ecx, 8
or ecx, eax
mov dword [esi + 4], ecx
sub edi, 1
jne 0x546966
pop edi
pop esi
pop ebp
pop ebx
ret
Function at 0x548d00
Capabilities:
Encode data using xor

Disassembly:
mov eax, 8
call fcn.0042ee10
mov ecx, dword [esp + 0xc]
push ebx
push ebp
mov ebp, dword [esp + 0x18]
push esi
mov esi, dword [esp + 0x20]
push edi
mov edi, dword [esp + 0x34]
mov dword [esp + 0x10], ecx
mov edi, dword [edi]
mov dword [esp + 0x14], edi
test edi, edi
je 0x548d4d
mov edx, dword [esp + 0x30]
test esi, esi
je 0x548d4d
mov al, byte [edi + edx]
dec esi
xor al, byte [ecx]
inc edi
mov byte [ebp], al
inc ecx
inc ebp
mov dword [esp + 0x10], ecx
and edi, 0xf
mov dword [esp + 0x14], edi
jne 0x548d30
mov ebx, dword [esp + 0x2c]
movzx edx, byte [ebx + 0xc]
movzx eax, byte [ebx + 0xd]
shl edx, 8
or edx, eax
movzx eax, byte [ebx + 0xe]
shl edx, 8
or edx, eax
movzx eax, byte [ebx + 0xf]
shl edx, 8
or edx, eax
mov dword [esp + 0x24], edx
cmp esi, 0x10
jb 0x548e07
mov edi, ebx
nop
mov ebx, esi
shr ebx, 4
add edx, ebx
mov dword [esp + 0x24], edx
cmp edx, ebx
jae 0x548d97
sub ebx, edx
xor edx, edx
mov dword [esp + 0x24], edx
push edi
push dword [esp + 0x2c]
push ebx
push ebp
push ecx
call dword [esp + 0x4c]
mov edx, dword [esp + 0x38]
add esp, 0x14
mov eax, edx
mov byte [edi + 0xf], dl
shr eax, 0x18
mov byte [edi + 0xc], al
mov eax, edx
shr eax, 0x10
mov byte [edi + 0xd], al
mov eax, edx
shr eax, 8
mov byte [edi + 0xe], al
test edx, edx
jne 0x548de9
mov edx, 0xc
mov ecx, 1
movzx eax, byte [edx + edi - 1]
dec edx
add ecx, eax
mov byte [edx + edi], cl
shr ecx, 8
test edx, edx
jne 0x548dd3
mov edx, dword [esp + 0x24]
mov ecx, dword [esp + 0x10]
shl ebx, 4
sub esi, ebx
add ecx, ebx
add ebp, ebx
mov dword [esp + 0x10], ecx
cmp esi, 0x10
jae 0x548d80
mov edi, dword [esp + 0x14]
mov ebx, dword [esp + 0x2c]
test esi, esi
je 0x548e75
mov eax, dword [esp + 0x30]
xorps xmm0, xmm0
push ebx
push dword [esp + 0x2c]
push 1
push eax
push eax
movups xmmword [eax], xmm0
call dword [esp + 0x4c]
mov ecx, dword [esp + 0x38]
add esp, 0x14
inc ecx
mov eax, ecx
mov byte [ebx + 0xf], cl
shr eax, 0x18
mov byte [ebx + 0xc], al
mov eax, ecx
shr eax, 0x10
mov byte [ebx + 0xd], al
mov eax, ecx
shr eax, 8
mov byte [ebx + 0xe], al
test ecx, ecx
jne 0x548e52
push ebx
call fcn.00548ec0
add esp, 4
mov eax, dword [esp + 0x30]
sub ebp, eax
mov edx, dword [esp + 0x10]
sub edx, eax
lea ecx, [edi + eax]
add edi, esi
mov al, byte [edx + ecx]
lea ecx, [ecx + 1]
xor al, byte [ecx - 1]
mov byte [ecx + ebp - 1], al
sub esi, 1
jne 0x548e63
mov eax, dword [esp + 0x34]
mov dword [eax], edi
pop edi
pop esi
pop ebp
pop ebx
add esp, 8
ret
Function at 0x5494d0
Capabilities:
Encode data using xor

Disassembly:
push ebx
mov ebx, dword [esp + 8]
mov eax, dword [ebx + 0x38]
or eax, dword [ebx + 0x3c]
je 0x5494e4
mov eax, 0xfffffffe
pop ebx
ret
push esi
mov esi, dword [esp + 0x14]
xor ecx, ecx
mov eax, esi
add eax, dword [ebx + 0x30]
adc ecx, dword [ebx + 0x34]
cmp ecx, 0x20000000
ja 0x549599
jb 0x549509
test eax, eax
jne 0x549599
push ebp
mov ebp, dword [esp + 0x14]
push edi
mov edi, dword [ebx + 0x16c]
mov dword [ebx + 0x30], eax
mov dword [ebx + 0x34], ecx
test edi, edi
je 0x549549
nop
test esi, esi
je 0x549535
mov al, byte [ebp]
dec esi
xor byte [edi + ebx + 0x40], al
inc ebp
inc edi
and edi, 0xf
jne 0x549520
jmp 0x549539
test edi, edi
jne 0x54958c
lea eax, [ebx + 0x60]
push eax
lea eax, [ebx + 0x40]
push eax
call fcn.0054ab00
add esp, 8
mov eax, esi
and eax, 0xfffffff0
mov dword [esp + 0x14], eax
je 0x54956e
push eax
push ebp
lea eax, [ebx + 0x60]
push eax
lea eax, [ebx + 0x40]
push eax
call fcn.0054a8c0
add ebp, dword [esp + 0x24]
add esp, 0x10
sub esi, dword [esp + 0x14]
test esi, esi
je 0x54958c
xor ecx, ecx
mov edi, esi
test esi, esi
je 0x54958c
nop word [eax + eax]
mov al, byte [ecx + ebp]
xor byte [ebx + ecx + 0x40], al
inc ecx
cmp ecx, esi
jb 0x549580
mov dword [ebx + 0x16c], edi
xor eax, eax
pop edi
pop ebp
pop esi
pop ebx
ret
pop esi
or eax, 0xffffffff
pop ebx
ret