joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4adf80
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 + 0x65a9c0]
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 0x4adfc6
cmp word [ebx], dx
jne 0x4adfc6
or byte [eax + edi + 0x28], 4
jmp 0x4adfcb
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 0x4ae12e
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 0x4ae10e
add eax, 2
cmp cx, word [ebp - 0x10]
je 0x4ae00c
mov dword [ebp - 4], eax
mov word [esi], cx
jmp 0x4ae042
cmp eax, edx
jae 0x4ae050
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 0x4adfe7
jmp 0x4ae12e
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 0x4ae109
cmp dword [ebp - 0x18], 0
je 0x4ae109
mov edx, dword [ebp - 8]
push 0xa
mov eax, dword [edx*4 + 0x65a9c0]
test byte [eax + edi + 0x28], 0x48
je 0x4ae0df
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 0x4ae0a3
mov word [esi], cx
jmp 0x4ae0da
push 0xd
pop ecx
mov word [esi], cx
movzx ecx, ax
mov eax, dword [edx*4 + 0x65a9c0]
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 + 0x65a9c0]
mov byte [eax + edi + 0x2b], cl
mov eax, dword [edx*4 + 0x65a9c0]
pop ecx
mov byte [eax + edi + 0x2c], cl
mov esi, dword [ebp - 0x1c]
jmp 0x4ae12e
pop eax
cmp word [ebp - 4], ax
jne 0x4ae0ef
cmp esi, ebx
jne 0x4ae0ef
mov word [esi], ax
jmp 0x4ae12b
push 1
push 0xffffffffffffffff
push 0xfffffffffffffffe
push dword [ebp + 8]
call fcn.004a9b84
add esp, 0x10
push 0xa
pop eax
cmp word [ebp - 4], ax
je 0x4ae12e
push 0xd
pop eax
jmp 0x4ae0ea
mov edx, dword [ebp - 8]
mov edx, dword [edx*4 + 0x65a9c0]
mov al, byte [edx + edi + 0x28]
test al, 0x40
jne 0x4ae128
or al, 2
mov byte [edx + edi + 0x28], al
jmp 0x4ae12e
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 0x4b163a
Capabilities:
Enumerate files on windows

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
sub esp, 0x264
mov eax, dword [0x6540c0]
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 0x4b1685
movzx eax, word [edx]
lea ecx, [ebp - 0x255]
push eax
call fcn.004b17d5
test al, al
jne 0x4b167f
sub edx, 2
cmp edx, edi
jne 0x4b1665
mov ecx, dword [ebp - 0x25c]
movzx esi, word [edx]
cmp esi, 0x3a
jne 0x4b16a7
lea eax, [edi + 2]
cmp edx, eax
je 0x4b16a7
push ecx
xor ebx, ebx
push ebx
push ebx
push edi
call fcn.004b1586
add esp, 0x10
jmp 0x4b17a1
push esi
lea ecx, [ebp - 0x255]
call fcn.004b17d5
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 0x4b16ea
push dword [ebp - 0x25c]
jmp 0x4b1697
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 0x4b1727
cmp word [ebp - 0x226], 0
je 0x4b1748
cmp word [ebp - 0x226], ax
jne 0x4b1727
cmp word [ebp - 0x224], 0
je 0x4b1748
push ebx
push dword [ebp - 0x260]
lea eax, [ebp - 0x228]
push edi
push eax
call fcn.004b1586
add esp, 0x10
mov dword [ebp - 0x264], eax
test eax, eax
jne 0x4b1794
lea eax, [ebp - 0x254]
push eax
push esi
call dword [sym.imp.KERNEL32.dll_FindNextFileW]
push 0x2e
test eax, eax
pop eax
jne 0x4b1701
mov eax, dword [ebx + 4]
mov edx, dword [ebx]
sub eax, edx
mov ecx, dword [ebp - 0x25c]
sar eax, 2
cmp ecx, eax
jne 0x4b177c
push esi
call dword [sym.imp.KERNEL32.dll_FindClose]
xor eax, eax
jmp 0x4b17a1
push 0x4b13b6
sub eax, ecx
push 4
push eax
lea eax, [edx + ecx*4]
push eax
call fcn.004a7710
add esp, 0x10
jmp 0x4b1771
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.0043928a
leave
ret
Function at 0x4b20b7
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 0x4b2154
push ebx
push esi
call fcn.004b2080
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.004b07bb
add esp, 0x24
mov dword [ebp - 4], eax
test eax, eax
jne 0x4b2101
push esi
call dword [sym.imp.KERNEL32.dll_FreeEnvironmentStringsW]
xor eax, eax
jmp 0x4b2153
push edi
push eax
call fcn.004aae26
mov edi, eax
pop ecx
push ebx
test edi, edi
jne 0x4b2121
call fcn.004aad8b
pop ecx
push esi
call dword [sym.imp.KERNEL32.dll_FreeEnvironmentStringsW]
xor eax, eax
jmp 0x4b2152
push ebx
push dword [ebp - 4]
push edi
push dword [ebp - 8]
push esi
push ebx
push ebx
call fcn.004b07bb
add esp, 0x20
test eax, eax
jne 0x4b2140
push edi
call fcn.004aad8b
jmp 0x4b2148
push ebx
call fcn.004aad8b
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 0x4b2157
Capabilities:
Query environment variable

Disassembly:
mov edi, edi
push esi
call dword [sym.imp.KERNEL32.dll_GetEnvironmentStringsW]
mov esi, eax
test esi, esi
jne 0x4b2168
pop esi
ret
push ebx
push edi
push esi
call fcn.004b2080
mov ebx, eax
sub ebx, esi
and ebx, 0xfffffffe
push ebx
call fcn.004aae26
mov edi, eax
pop ecx
pop ecx
test edi, edi
je 0x4b2190
push ebx
push esi
push edi
call fcn.0048f690
add esp, 0xc
push 0
call fcn.004aad8b
pop ecx
push esi
call dword [sym.imp.KERNEL32.dll_FreeEnvironmentStringsW]
mov eax, edi
pop edi
pop ebx
pop esi
ret

Function at 0x4b28ea
Capabilities:
Set environment variable

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
pop ebp
jmp fcn.004b2405

Function at 0x4b4cc5
Capabilities:
Get geographical location

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
push ecx
push esi
push edi
call fcn.004aa01a
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 0x4b4d34
cmp esi, dword [ebp - 4]
je 0x4b4d2f
cmp dword [ebp + 0xc], 0
je 0x4b4d2f
mov esi, dword [edi + 0x50]
lea ecx, [esi + 2]
mov ax, word [esi]
add esi, 2
test ax, ax
jne 0x4b4d0c
push dword [edi + 0x50]
sub esi, ecx
sar esi, 1
call fcn.004b4817
pop ecx
xor ecx, ecx
cmp eax, esi
setne cl
mov eax, ecx
jmp 0x4b4d36
xor eax, eax
inc eax
jmp 0x4b4d36
xor eax, eax
pop edi
pop esi
leave
ret
Function at 0x4b4d9b
Capabilities:
Get geographical location

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
sub esp, 0x18
mov eax, dword [0x6540c0]
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.004aa01a
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.004aa01a
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 0x4b4e12
cmp word [ecx], dx
je 0x4b4e12
mov eax, dword [0x5db784]
push edi
dec eax
push eax
push 0x5db670
call fcn.004b4d3a
mov eax, dword [ebp - 0x14]
add esp, 0xc
xor edx, edx
mov dword [ebp - 0x10], edx
mov eax, dword [eax]
test eax, eax
je 0x4b4e85
cmp word [eax], dx
je 0x4b4e85
mov eax, dword [edi]
test eax, eax
je 0x4b4e36
cmp word [eax], dx
je 0x4b4e36
lea eax, [ebp - 0x10]
push eax
call fcn.004b471d
jmp 0x4b4e3f
lea eax, [ebp - 0x10]
push eax
call fcn.004b47b8
cmp dword [ebp - 0x10], 0
pop ecx
jne 0x4b4eaf
mov eax, dword [0x5db66c]
push dword [ebp - 0x14]
dec eax
push eax
push 0x5db360
call fcn.004b4d3a
add esp, 0xc
test al, al
je 0x4b4eaf
mov eax, dword [edi]
xor edi, edi
test eax, eax
je 0x4b4e7a
cmp word [eax], di
je 0x4b4e7a
lea eax, [ebp - 0x10]
push eax
call fcn.004b471d
pop ecx
jmp 0x4b4eb1
lea eax, [ebp - 0x10]
push eax
call fcn.004b47b8
jmp 0x4b4e77
mov eax, dword [edi]
test eax, eax
je 0x4b4e9c
cmp word [eax], dx
je 0x4b4e9c
lea eax, [ebp - 0x10]
push eax
call fcn.004b46d2
pop ecx
jmp 0x4b4eaf
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 0x4b4f7a
lea eax, [ebp - 0x10]
push eax
lea eax, [esi + 0x100]
neg esi
sbb esi, esi
and esi, eax
push esi
call fcn.004b4bbf
mov esi, eax
pop ecx
pop ecx
test esi, esi
je 0x4b4f7a
movzx ecx, si
push ecx
call dword [sym.imp.KERNEL32.dll_IsValidCodePage]
test eax, eax
je 0x4b4f7a
push 1
push dword [ebp - 0xc]
call dword [sym.imp.KERNEL32.dll_IsValidLocale]
test eax, eax
je 0x4b4f7a
mov eax, dword [ebp - 0x18]
test eax, eax
je 0x4b4f07
mov dword [eax], esi
mov eax, dword [ebp - 0x14]
push edi
push 0x55
add eax, 0x250
push eax
push dword [ebp - 0xc]
call fcn.004aab6c
test ebx, ebx
je 0x4b4f75
push edi
push 0x55
lea eax, [ebx + 0x120]
push eax
push dword [ebp - 0xc]
call fcn.004aab6c
push 0x40
push ebx
push 0x1001
push dword [ebp - 0xc]
call dword [sym.imp.KERNEL32.dll_GetLocaleInfoW]
test eax, eax
je 0x4b4f7a
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 0x4b4f7a
push 0xa
push 0x10
lea ecx, [ebx + 0x100]
push ecx
push esi
call fcn.004b921b
add esp, 0x10
xor eax, eax
inc eax
jmp 0x4b4f7c
xor eax, eax
mov ecx, dword [ebp - 4]
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.0043928a
leave
ret
Function at 0x4b93a2
Capabilities:
Get disk information

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
sub esp, 0xc
mov eax, dword [0x6540c0]
xor eax, ebp
mov dword [ebp - 4], eax
mov eax, dword [ebp + 8]
cmp eax, 0x1a
jbe 0x4b93e5
call fcn.00494605
mov dword [eax], 0xf
call fcn.00494618
mov dword [eax], 0xd
call fcn.0049451a
xor eax, eax
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0043928a
leave
ret
test eax, eax
jne 0x4b93ec
inc eax
jmp 0x4b93d9
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 0x4b93d7
xor eax, eax
cmp ecx, 1
setne al
jmp 0x4b93d9
Function at 0x4b9aa5
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.004b9a21
mov eax, dword [ebp - 0x2c]
and eax, dword [ebp - 0x28]
cmp eax, 0xffffffff
je 0x4b9c14
mov eax, dword [ebp - 0x24]
and eax, dword [ebp - 0x20]
cmp eax, 0xffffffff
je 0x4b9c14
mov ecx, dword [ebp - 0x18]
mov eax, dword [ebp - 0x1c]
mov dword [ebp - 8], ecx
mov dword [ebp - 4], eax
test ecx, ecx
jl 0x4b9bc9
jg 0x4b9b01
test eax, eax
je 0x4b9bbf
push 1
push 0x1000
call fcn.004aad2e
mov esi, eax
pop ecx
pop ecx
test esi, esi
jne 0x4b9b24
push 0xc
pop ebx
mov byte [edi + 0x1c], 1
mov dword [edi + 0x18], ebx
jmp 0x4b9bb6
push 0x8000
push ebx
call fcn.004a590c
pop ecx
pop ecx
mov ecx, dword [ebp - 0x1c]
mov dword [ebp - 0xc], eax
mov eax, dword [ebp - 0x18]
test eax, eax
jl 0x4b9b4d
jg 0x4b9b48
cmp ecx, 0x1000
jb 0x4b9b4d
mov ecx, 0x1000
push edi
push ecx
push esi
push ebx
call fcn.004aced7
add esp, 0x10
cmp eax, 0xffffffff
je 0x4b9b92
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 0x4b9b48
jl 0x4b9b79
test ecx, ecx
jne 0x4b9b3a
push dword [ebp - 0xc]
push ebx
call fcn.004a590c
push esi
call fcn.004aad8b
add esp, 0xc
xor ebx, ebx
jmp 0x4b9c22
cmp byte [edi + 0x24], 0
je 0x4b9ba9
cmp dword [edi + 0x20], 5
jne 0x4b9ba9
mov byte [edi + 0x1c], 1
mov dword [edi + 0x18], 0xd
cmp byte [edi + 0x1c], 0
je 0x4b9bb4
mov ebx, dword [edi + 0x18]
jmp 0x4b9bb6
xor ebx, ebx
push esi
call fcn.004aad8b
pop ecx
jmp 0x4b9c22
test ecx, ecx
jg 0x4b9b8b
jl 0x4b9bc9
test eax, eax
jae 0x4b9b8b
push 0
push dword [ebp + 0x10]
push dword [ebp + 0xc]
push ebx
call fcn.004a9b84
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
jne 0x4b9be9
cmp byte [edi + 0x1c], 0
je 0x4b9b8b
jmp 0x4b9c1a
push ebx
call fcn.004b2ce4
pop ecx
push eax
call dword [sym.imp.KERNEL32.dll_SetEndOfFile]
test eax, eax
jne 0x4b9b8b
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 0x4b9c22
cmp byte [edi + 0x1c], 0
je 0x4b9c1f
mov ebx, dword [edi + 0x18]
jmp 0x4b9c22
push 0x16
pop ebx
push 0
push dword [ebp - 0x28]
push dword [ebp - 0x2c]
push dword [ebp - 0x14]
call fcn.004a9b84
add esp, 0x10
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret

Function at 0x4bb310
Capabilities:
Parse pe header

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 8]
mov ecx, 0x5a4d
cmp word [eax], cx
jne 0x4bb33d
mov ecx, dword [eax + 0x3c]
add ecx, eax
cmp dword [ecx], 0x4550
jne 0x4bb33d
mov edx, 0x10b
xor eax, eax
cmp word [ecx + 0x18], dx
sete al
pop ebp
ret
xor eax, eax
pop ebp
ret
Function at 0x4bd060
Capabilities:
Compute adler32 checksum

Disassembly:
push ebp
mov ebp, esp
pop ebp
jmp fcn.004bd070

Function at 0x4bd2f0
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 0xc]
test eax, eax
jne 0x4bd2fc
pop ebp
ret
mov dword [ebp + 0xc], eax
pop ebp
jmp fcn.004bd310
Function at 0x524600
Capabilities:
Encode data using xor

Disassembly:
push esi
mov esi, dword [esp + 0x10]
xor dl, dl
test esi, esi
je 0x524627
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 0x524616
pop edi
movzx eax, dl
pop esi
ret

Function at 0x52c370
Capabilities:
Resolve dns

Disassembly:
mov eax, 0x20
call fcn.0043a530
push ebx
push esi
mov esi, dword [esp + 0x38]
xor ebx, ebx
mov eax, esi
sub eax, ebx
je 0x52c3b8
sub eax, 2
je 0x52c3b8
sub eax, 0x15
je 0x52c3b8
push 0x293
push str.crypto_bio_b_addr.c
push 0x83
push 0x8f
push 0x20
call fcn.005065c0
add esp, 0x14
pop esi
xor eax, eax
pop ebx
add esp, 0x20
ret
call fcn.00531100
cmp eax, 1
jne 0x52c3b0
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 0x52c3f8
or eax, 0x400
mov dword [esp + 0x10], eax
cmp dword [esp + 0x3c], 1
jne 0x52c406
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 0x52c45c
cmp esi, 8
je 0x52c4a3
mov eax, dword [esp + 0x10]
test eax, 0x400
je 0x52c46b
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 0x52c424
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.005065c0
test edi, edi
cmovne esi, edi
push esi
call fcn.0052c900
push eax
push 1
call fcn.00505db0
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.005065c0
add esp, 0x14
pop edi
pop ebp
pop esi
mov eax, ebx
pop ebx
add esp, 0x20
ret
Function at 0x544e00
Capabilities:
Generate random numbers via winapi

Disassembly:
mov eax, 4
call fcn.0043a530
push ebx
push ebp
push esi
mov esi, dword [esp + 0x14]
push edi
push 1
push esi
xor edi, edi
call fcn.005039b0
mov ebx, eax
push ebx
push esi
call fcn.00503890
mov ebp, eax
add esp, 0x10
test ebp, ebp
je 0x544e89
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 0x544e63
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.00503900
push esi
call fcn.00503a50
mov edi, eax
add esp, 0x10
test edi, edi
je 0x544e89
mov eax, edi
pop edi
pop esi
pop ebp
pop ebx
pop ecx
ret
push 1
push esi
call fcn.005039b0
mov ebx, eax
push ebx
push esi
call fcn.00503890
mov ebp, eax
add esp, 0x10
test ebp, ebp
je 0x544ef8
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 0x544ede
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.00503900
push esi
call fcn.00503a50
add esp, 0x10
mov edi, eax
test edi, edi
jne 0x544e81
push esi
call fcn.00503a50
add esp, 4
pop edi
pop esi
pop ebp
pop ebx
pop ecx
ret
Function at 0x54e2c0
Capabilities:
Connect socket

Disassembly:
mov eax, 4
call fcn.0043a530
push edi
mov edi, dword [esp + 0xc]
mov dword [esp + 4], 1
cmp edi, 0xffffffff
jne 0x54e2fc
push 0x52
push str.crypto_bio_b_sock2.c
push 0x87
push 0x8a
push 0x20
call fcn.005065c0
add esp, 0x14
xor eax, eax
pop edi
pop ecx
ret
push ebx
mov ebx, dword [esp + 0x18]
mov eax, ebx
shr eax, 3
and eax, 1
push eax
push edi
call fcn.00531180
add esp, 8
test eax, eax
jne 0x54e31b
pop ebx
pop edi
pop ecx
ret
push esi
mov esi, dword [sym.imp.WS2_32.dll_setsockopt]
test bl, 4
je 0x54e364
push 4
lea eax, [esp + 0x10]
push eax
push 8
push 0xffff
push edi
call esi
test eax, eax
je 0x54e364
push 0x5c
push str.crypto_bio_b_sock2.c
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push 0xe
push 2
call fcn.005065c0
push 0x5d
push str.crypto_bio_b_sock2.c
push 0x89
jmp 0x54e3f1
test bl, 0x10
je 0x54e3a0
push 4
lea eax, [esp + 0x10]
push eax
push 1
push 6
push edi
call esi
test eax, eax
je 0x54e3a0
push 0x65
push str.crypto_bio_b_sock2.c
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push 0xe
push 2
call fcn.005065c0
push 0x66
push str.crypto_bio_b_sock2.c
push 0x8a
jmp 0x54e3f1
mov esi, dword [esp + 0x18]
push esi
call fcn.0052c320
add esp, 4
push eax
push esi
call fcn.0044fbb0
add esp, 4
push eax
push edi
call dword [sym.imp.WS2_32.dll_connect]
cmp eax, 0xffffffff
jne 0x54e407
push eax
call fcn.0050d510
add esp, 4
test eax, eax
jne 0x54e400
push 0x6e
push str.crypto_bio_b_sock2.c
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push 2
push 2
call fcn.005065c0
push 0x6f
push str.crypto_bio_b_sock2.c
push 0x67
push 0x8a
push 0x20
call fcn.005065c0
add esp, 0x28
pop esi
pop ebx
xor eax, eax
pop edi
pop ecx
ret
pop esi
pop ebx
mov eax, 1
pop edi
pop ecx
ret
Function at 0x561ff0
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 0x562045
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 0x562033
mov esi, dword [esp + 0x14]
movzx ebx, byte [ecx + ebp - 1]
cmp ecx, edi
jge 0x56206a
mov edx, ebp
movzx eax, byte [edx]
lea edx, [edx + 1]
add eax, ebx
movzx eax, al
movzx ebx, byte [eax + 0x616f80]
mov byte [ecx + ebp], bl
inc ecx
cmp ecx, edi
jl 0x562050
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 + 0x616f80]
mov byte [esi], cl
test edi, edi
je 0x5620b8
nop dword [eax + eax]
movzx eax, byte [esi + ebx - 1]
lea esi, [esi - 1]
xor eax, ecx
movzx ecx, byte [eax + 0x616f80]
mov byte [esi], cl
sub edi, 1
jne 0x5620a0
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 0x5620c6
pop edi
pop esi
pop ebp
pop ebx
ret
Function at 0x564470
Capabilities:
Encode data using xor

Disassembly:
mov eax, 8
call fcn.0043a530
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 0x5644bd
mov edx, dword [esp + 0x30]
test esi, esi
je 0x5644bd
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 0x5644a0
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 0x564577
mov edi, ebx
nop
mov ebx, esi
shr ebx, 4
add edx, ebx
mov dword [esp + 0x24], edx
cmp edx, ebx
jae 0x564507
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 0x564559
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 0x564543
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 0x5644f0
mov edi, dword [esp + 0x14]
mov ebx, dword [esp + 0x2c]
test esi, esi
je 0x5645e5
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 0x5645c2
push ebx
call fcn.00564630
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 0x5645d3
mov eax, dword [esp + 0x34]
mov dword [eax], edi
pop edi
pop esi
pop ebp
pop ebx
add esp, 8
ret