joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4db41e
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
mov edx, ecx
cmp byte [edx + 4], 0
je 0x4db44e
push esi
xor esi, esi
cmp dword [edx + 0x3cc], esi
jle 0x4db44d
mov ecx, dword [ebp + 8]
push edi
mov edi, dword [ebp + 0xc]
sub edi, ecx
mov al, byte [edi + ecx]
xor byte [ecx], al
inc ecx
inc esi
cmp esi, dword [edx + 0x3cc]
jl 0x4db43d
pop edi
pop esi
pop ebp
ret 8

Function at 0x4db66f
Capabilities:
Encode data using base64

Disassembly:
push 0x10
mov eax, 0x67e169
call fcn.0042e285
xor ebx, ebx
mov dword [ebp - 0x1c], ebx
mov edi, ebx
mov eax, dword [ebp + 8]
mov dword [eax + 0x10], ebx
mov dword [eax + 0x14], 0xf
mov byte [eax], bl
mov dword [ebp - 4], ebx
mov dword [ebp - 0x1c], 1
cmp dword [ebp + 0x10], ebx
je 0x4db7fa
mov eax, dword [ebp + 0x10]
push 3
pop esi
mov ecx, dword [ebp + 0xc]
dec eax
mov dword [ebp + 0x10], eax
mov al, byte [ecx]
mov byte [ebp + edi - 0x14], al
inc edi
mov dl, byte [ebp - 0x13]
inc ecx
mov dword [ebp + 0xc], ecx
mov ch, byte [ebp - 0x12]
mov cl, byte [ebp - 0x14]
mov byte [ebp - 0xf], ch
mov byte [ebp - 0xd], dl
mov byte [ebp - 0xe], cl
cmp edi, esi
jne 0x4db740
mov esi, dword [ebp + 8]
mov al, cl
shr al, 2
and cl, 3
mov byte [ebp - 0x18], al
mov edi, ebx
shl cl, 4
mov al, dl
shr al, 4
add cl, al
mov al, ch
mov byte [ebp - 0x17], cl
mov cl, dl
and cl, 0xf
shr al, 6
shl cl, 2
add cl, al
mov al, ch
and al, 0x3f
mov byte [ebp - 0x16], cl
mov byte [ebp - 0x15], al
cmp dword [0x7193d0], 0x10
mov ecx, 0x7193bc
movzx eax, byte [ebp + edi - 0x18]
cmovae ecx, dword [0x7193bc]
movzx eax, byte [eax + ecx]
mov ecx, esi
push eax
call fcn.00419150
inc edi
cmp edi, 4
jl 0x4db708
mov dl, byte [ebp - 0xd]
mov edi, ebx
mov cl, byte [ebp - 0xe]
mov ch, byte [ebp - 0xf]
push 3
pop esi
mov eax, dword [ebp + 0x10]
test eax, eax
jne 0x4db6aa
mov dword [ebp + 0x10], edi
test edi, edi
je 0x4db7f7
mov eax, edi
cmp edi, esi
jge 0x4db776
cmp eax, esi
jae 0x4db800
mov byte [ebp + eax - 0x14], bl
inc eax
cmp eax, esi
jl 0x4db75e
mov ch, byte [ebp - 0x12]
mov dl, byte [ebp - 0x13]
mov cl, byte [ebp - 0x14]
mov al, cl
and cl, 3
shr al, 2
mov byte [ebp - 0x18], al
mov al, dl
shr al, 4
and dl, 0xf
shl cl, 4
add cl, al
shl dl, 2
mov al, ch
mov byte [ebp - 0x17], cl
shr al, 6
and ch, 0x3f
add dl, al
mov byte [ebp - 0x15], ch
lea eax, [edi + 1]
mov byte [ebp - 0x16], dl
mov dword [ebp - 0x14], eax
test eax, eax
jle 0x4db7e2
mov esi, dword [ebp + 8]
mov edi, eax
cmp dword [0x7193d0], 0x10
mov ecx, 0x7193bc
movzx eax, byte [ebp + ebx - 0x18]
cmovae ecx, dword [0x7193bc]
movzx eax, byte [eax + ecx]
mov ecx, esi
push eax
call fcn.00419150
inc ebx
cmp ebx, edi
jl 0x4db7b3
mov edi, dword [ebp + 0x10]
push 3
pop esi
cmp edi, esi
jge 0x4db7f7
sub esi, edi
mov ecx, dword [ebp + 8]
push 0x3d
call fcn.00419150
sub esi, 1
jne 0x4db7e8
mov eax, dword [ebp + 8]
call fcn.0042e25f
ret
call fcn.0042df30
int3
Function at 0x4defb0
Capabilities:
Check if file exists
Create directory

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x70
push ebx
push esi
push edi
mov eax, dword [ebp + 8]
mov dword [ebp - 0x64], eax
mov ecx, dword [ebp - 0x64]
add ecx, 2
mov dword [ebp - 0x68], ecx
mov edx, dword [ebp - 0x64]
mov ax, word [edx]
mov word [ebp - 0x6a], ax
add dword [ebp - 0x64], 2
cmp word [ebp - 0x6a], 0
jne 0x4defc8
mov ecx, dword [ebp - 0x64]
sub ecx, dword [ebp - 0x68]
sar ecx, 1
mov dword [ebp - 0x70], ecx
mov edx, dword [ebp - 0x70]
mov dword [ebp - 4], edx
mov eax, dword [ebp - 4]
add eax, 1
xor ecx, ecx
mov edx, 2
mul edx
seto cl
neg ecx
or ecx, eax
push ecx
call fcn.0042de06
add esp, 4
mov dword [ebp - 0x5c], eax
mov eax, dword [ebp - 0x5c]
mov dword [ebp - 8], eax
mov eax, dword [ebp - 4]
add eax, 1
push eax
push 0
mov ecx, dword [ebp - 8]
push ecx
call fcn.0040d090
add esp, 0xc
mov eax, dword [ebp + 8]
push eax
mov ecx, dword [ebp - 4]
add ecx, 1
push ecx
mov edx, dword [ebp - 8]
push edx
call fcn.00518d46
add esp, 0xc
mov byte [ebp - 9], 1
mov dword [ebp - 0x10], 0
mov dword [ebp - 0x14], 0
jmp 0x4df05f
mov eax, dword [ebp - 0x10]
add eax, 1
mov dword [ebp - 0x10], eax
mov eax, dword [ebp - 0x10]
cmp eax, dword [ebp - 4]
jg 0x4df0cd
mov eax, dword [ebp - 0x10]
mov ecx, dword [ebp - 8]
movzx edx, word [ecx + eax*2]
cmp edx, 0x5c
jne 0x4df0cb
mov eax, dword [ebp - 0x10]
mov ecx, dword [ebp - 8]
mov dx, word [ecx + eax*2]
mov word [ebp - 0x18], dx
xor eax, eax
mov ecx, dword [ebp - 0x10]
mov edx, dword [ebp - 8]
mov word [edx + ecx*2], ax
mov eax, dword [ebp - 8]
push eax
call dword [sym.imp.SHLWAPI.dll_PathFileExistsW]
test eax, eax
jne 0x4df0b4
push 0
mov eax, dword [ebp - 8]
push eax
call dword [sym.imp.KERNEL32.dll_CreateDirectoryW]
test eax, eax
jne 0x4df0b4
mov byte [ebp - 9], 0
jmp 0x4df0cd
mov eax, dword [ebp - 0x10]
mov ecx, dword [ebp - 8]
mov dx, word [ebp - 0x18]
mov word [ecx + eax*2], dx
mov eax, dword [ebp - 0x10]
add eax, 1
mov dword [ebp - 0x14], eax
jmp 0x4df056
mov eax, dword [ebp - 8]
mov dword [ebp - 0x60], eax
mov ecx, dword [ebp - 0x60]
push ecx
call fcn.0042de01
add esp, 4
mov al, byte [ebp - 9]
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x4e02c0
Capabilities:
Check if file exists

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x67e9a0
mov eax, dword fs:[0]
push eax
sub esp, 0x2c0
mov eax, dword [0x71906c]
xor eax, ebp
mov dword [ebp - 0x10], eax
push ebx
push esi
push edi
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
push 0x67
push 0x6f
push 0x6c
push 0x74
push 0x6e
push 0x65
push 0x74
push 0x6e
push 0x6f
push 0x43
push 0x70
push 0x74
push 0x74
push 0x48
push 0x77
push 0x6f
push 0x68
push 0x53
push 0x695bb0
lea eax, [ebp - 0x28]
push eax
call fcn.004cc944
add esp, 0x50
mov dword [ebp - 4], 0
lea ecx, [ebp - 0x40]
call fcn.00406af0
mov byte [ebp - 4], 1
push 0x691f64
lea ecx, [ebp - 0x40]
call fcn.00408bb0
push 0x691f68
lea ecx, [ebp - 0x40]
call fcn.00408bb0
push 0x700384
lea ecx, [ebp - 0x40]
call fcn.00408bb0
lea eax, [ebp - 0x28]
push eax
lea ecx, [ebp - 0x40]
call fcn.0042cfc6
lea ecx, [ebp - 0x40]
call fcn.00408ba0
push eax
call dword [sym.imp.SHLWAPI.dll_PathFileExistsW]
test eax, eax
jne 0x4e03e3
push 0x208
push 0
lea eax, [ebp - 0x248]
push eax
call fcn.00506fe0
add esp, 0xc
push 0x104
lea eax, [ebp - 0x248]
push eax
push 0
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameW]
lea eax, [ebp - 0x248]
push eax
call dword [sym.imp.SHLWAPI.dll_PathRemoveFileSpecW]
lea ecx, [ebp - 0x40]
call fcn.004df370
lea eax, [ebp - 0x248]
push eax
lea ecx, [ebp - 0x40]
call fcn.00408bb0
push 0x700384
lea ecx, [ebp - 0x40]
call fcn.00408bb0
lea eax, [ebp - 0x28]
push eax
lea ecx, [ebp - 0x40]
call fcn.0042cfc6
lea ecx, [ebp - 0x40]
call fcn.00408ba0
push eax
call dword [sym.imp.SHLWAPI.dll_PathFileExistsW]
test eax, eax
je 0x4e03ff
mov byte [ebp - 0x2ca], 1
jmp 0x4e0406
mov byte [ebp - 0x2ca], 0
mov al, byte [ebp - 0x2ca]
mov byte [ebp - 0x2c9], al
mov byte [ebp - 4], 0
lea ecx, [ebp - 0x40]
call fcn.00404d80
mov dword [ebp - 4], 0xffffffff
lea ecx, [ebp - 0x28]
call fcn.00404d80
mov al, byte [ebp - 0x2c9]
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 0x10]
xor ecx, ebp
call fcn.0042d755
mov esp, ebp
pop ebp
ret
Function at 0x4e27d0
Capabilities:
Get file size
Read file on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x60
push ebx
push esi
push edi
mov dword [ebp - 4], ecx
cmp dword [ebp + 8], 0
je 0x4e27e8
cmp dword [ebp + 0xc], 0
jne 0x4e27f2
mov eax, 1
jmp 0x4e28ed
push 0
push 0x80
push 3
push 0
push 5
push SysReAllocString
mov eax, dword [ebp + 8]
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov dword [ebp - 8], eax
cmp dword [ebp - 8], 0xffffffff
jne 0x4e2822
call dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x4e28ed
mov dword [ebp - 0xc], 0
lea eax, [ebp - 0x10]
push eax
mov ecx, dword [ebp - 8]
push ecx
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov dword [ebp - 0x14], eax
cmp dword [ebp - 0x14], 0xffffffff
jne 0x4e284b
call dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x4e28ed
mov eax, dword [ebp - 0x14]
mov dword [ebp - 0xc], eax
cmp dword [ebp - 0xc], 0xffffffff
jb 0x4e2861
mov eax, 8
jmp 0x4e28ed
cmp dword [ebp + 0x10], 0
je 0x4e286f
mov eax, dword [ebp + 0x10]
mov ecx, dword [ebp - 0xc]
mov dword [eax], ecx
mov eax, dword [ebp - 0xc]
add eax, 1
push eax
call fcn.0042de06
add esp, 4
mov dword [ebp - 0x60], eax
mov ecx, dword [ebp + 0xc]
mov edx, dword [ebp - 0x60]
mov dword [ecx], edx
mov eax, dword [ebp - 0xc]
add eax, 1
push eax
push 0
mov ecx, dword [ebp + 0xc]
mov edx, dword [ecx]
push edx
call fcn.00506fe0
add esp, 0xc
mov dword [ebp - 0x18], 0
push 0
lea eax, [ebp - 0x18]
push eax
mov ecx, dword [ebp - 0xc]
push ecx
mov edx, dword [ebp + 0xc]
mov eax, dword [edx]
push eax
mov ecx, dword [ebp - 8]
push ecx
call dword [sym.imp.KERNEL32.dll_ReadFile]
mov dword [ebp - 0x1c], eax
cmp dword [ebp - 0x1c], 0
jne 0x4e28d2
call dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x4e28ed
mov eax, dword [ebp - 0x18]
cmp eax, dword [ebp - 0xc]
je 0x4e28e1
mov eax, 1
jmp 0x4e28ed
mov eax, dword [ebp - 8]
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
xor eax, eax
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0xc
Function at 0x4e2ec0
Capabilities:
Write file on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x50
push ebx
push esi
push edi
mov dword [ebp - 4], ecx
cmp dword [ebp + 8], 0
je 0x4e2edc
mov eax, dword [ebp + 8]
movzx ecx, word [eax]
test ecx, ecx
jne 0x4e2ee3
mov eax, 1
jmp 0x4e2f45
push 0
push 0x80
push 2
push 0
push 0
push 0xc0000000
mov eax, dword [ebp + 8]
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov dword [ebp - 8], eax
cmp dword [ebp - 8], 0xffffffff
jne 0x4e2f10
call dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x4e2f45
push 0
lea eax, [ebp - 0xc]
push eax
mov ecx, dword [ebp + 0x10]
push ecx
mov edx, dword [ebp + 0xc]
push edx
mov eax, dword [ebp - 8]
push eax
call dword [sym.imp.KERNEL32.dll_WriteFile]
mov dword [ebp - 0x10], eax
cmp dword [ebp - 0x10], 0
jne 0x4e2f39
call dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x4e2f45
mov eax, dword [ebp - 8]
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
xor eax, eax
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0xc
Function at 0x4ead50
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
xor edx, edx
mov ecx, edx
mov eax, edx
and ecx, 1
shr eax, 1
neg ecx
and ecx, 0xedb88320
xor ecx, eax
mov eax, ecx
shr ecx, 1
and eax, 1
neg eax
and eax, 0xedb88320
xor eax, ecx
mov ecx, eax
shr eax, 1
and ecx, 1
neg ecx
and ecx, 0xedb88320
xor ecx, eax
mov eax, ecx
shr ecx, 1
and eax, 1
neg eax
and eax, 0xedb88320
xor eax, ecx
mov ecx, eax
shr eax, 1
and ecx, 1
neg ecx
and ecx, 0xedb88320
xor ecx, eax
mov eax, ecx
shr ecx, 1
and eax, 1
neg eax
and eax, 0xedb88320
xor eax, ecx
mov ecx, eax
shr eax, 1
and ecx, 1
neg ecx
and ecx, 0xedb88320
xor ecx, eax
mov eax, ecx
shr ecx, 1
and eax, 1
neg eax
and eax, 0xedb88320
xor eax, ecx
mov dword [edx*4 + 0x72b840], eax
inc edx
cmp edx, 0x100
jb 0x4ead52
push esi
mov eax, 0x72b844
mov esi, 0x1c0
mov edx, dword [eax - 4]
lea eax, [eax + 0x10]
movzx ecx, dl
shr edx, 8
xor edx, dword [ecx*4 + 0x72b840]
mov dword [eax + 0x3ec], edx
mov edx, dword [eax - 0x10]
movzx ecx, dl
shr edx, 8
xor edx, dword [ecx*4 + 0x72b840]
mov dword [eax + 0x3f0], edx
mov edx, dword [eax - 0xc]
movzx ecx, dl
shr edx, 8
xor edx, dword [ecx*4 + 0x72b840]
mov dword [eax + 0x3f4], edx
mov edx, dword [eax - 8]
movzx ecx, dl
shr edx, 8
xor edx, dword [ecx*4 + 0x72b840]
mov dword [eax + 0x3f8], edx
sub esi, 1
jne 0x4eadf7
mov dword [0x72b830], 0x4ec3b0
mov dword [0x72b828], 0x4ec3b0
mov dword [0x72b82c], 0x4ec450
call fcn.004ec1c0
mov ecx, dword [0x72b828]
test eax, eax
mov edx, 0x4ec450
cmove ecx, edx
mov dword [0x72b828], ecx
pop esi
ret

Function at 0x4eafb0
Capabilities:
Read file on windows

Disassembly:
push ebp
mov ebp, esp
push ebx
push esi
push edi
mov edi, dword [ebp + 0x10]
mov esi, dword [edi]
test esi, esi
je 0x4eb003
mov ebx, dword [ebp + 0xc]
mov dword [edi], 0
push 0
mov ecx, 0x400000
mov dword [ebp + 0x10], 0
lea eax, [ebp + 0x10]
cmp esi, ecx
push eax
mov eax, esi
cmova eax, ecx
push eax
mov eax, dword [ebp + 8]
push ebx
push dword [eax]
call dword [sym.imp.KERNEL32.dll_ReadFile]
mov ecx, dword [ebp + 0x10]
add ebx, ecx
add dword [edi], ecx
sub esi, ecx
test eax, eax
je 0x4eb00a
test ecx, ecx
je 0x4eb003
test esi, esi
jne 0x4eafc8
pop edi
pop esi
xor eax, eax
pop ebx
pop ebp
ret
pop edi
pop esi
pop ebx
pop ebp
jmp dword [sym.imp.KERNEL32.dll_GetLastError]

Function at 0x4eb020
Capabilities:
Write file on windows

Disassembly:
push ebp
mov ebp, esp
push ebx
push esi
push edi
mov edi, dword [ebp + 0x10]
mov esi, dword [edi]
test esi, esi
je 0x4eb073
mov ebx, dword [ebp + 0xc]
mov dword [edi], 0
push 0
mov ecx, 0x400000
mov dword [ebp + 0x10], 0
lea eax, [ebp + 0x10]
cmp esi, ecx
push eax
mov eax, esi
cmova eax, ecx
push eax
mov eax, dword [ebp + 8]
push ebx
push dword [eax]
call dword [sym.imp.KERNEL32.dll_WriteFile]
mov ecx, dword [ebp + 0x10]
add ebx, ecx
add dword [edi], ecx
sub esi, ecx
test eax, eax
je 0x4eb07a
test ecx, ecx
je 0x4eb073
test esi, esi
jne 0x4eb038
pop edi
pop esi
xor eax, eax
pop ebx
pop ebp
ret
pop edi
pop esi
pop ebx
pop ebp
jmp dword [sym.imp.KERNEL32.dll_GetLastError]
Function at 0x4ec880
Capabilities:
Encrypt data using rc4 prga

Disassembly:
push ebp
mov ebp, esp
push ecx
mov eax, dword [ebp + 0xc]
push esi
mov esi, dword [ebp + 0x14]
push edi
xor edi, edi
mov esi, dword [esi]
and esi, 7
cmp eax, 5
jae 0x4ec8a0
pop edi
xor eax, eax
pop esi
mov esp, ebp
pop ebp
ret
add dword [ebp + 0x10], 5
mov ecx, dword [ebp + 8]
push ebx
lea ebx, [eax - 4]
add ebx, ecx
mov dword [ebp - 4], ebx
lea eax, [edi + ecx]
cmp eax, ebx
jae 0x4ec8c9
mov cl, byte [eax]
and cl, 0xfe
cmp cl, 0xe8
je 0x4ec8c6
inc eax
cmp eax, ebx
jb 0x4ec8b7
mov ecx, dword [ebp + 8]
mov edx, eax
sub edx, edi
mov edi, eax
sub edx, ecx
sub edi, ecx
cmp eax, ebx
jae 0x4ec9cd
cmp edx, 2
jbe 0x4ec952
xor esi, esi
movzx edx, byte [eax + 4]
lea ecx, [edx + 1]
test cl, 0xfe
jne 0x4ec9b9
movzx ecx, byte [eax + 3]
mov ebx, dword [ebp + 0x10]
shl edx, 8
add ebx, edi
or edx, ecx
movzx ecx, byte [eax + 2]
shl edx, 8
or edx, ecx
movzx ecx, byte [eax + 1]
shl edx, 8
or edx, ecx
mov ecx, edx
add edx, ebx
sub ecx, ebx
cmp dword [ebp + 0x18], 0
cmove edx, ecx
mov dword [ebp + 0xc], edx
mov ebx, edx
test esi, esi
je 0x4ec989
and esi, 6
shl esi, 2
mov ecx, esi
shr edx, cl
inc edx
test dl, 0xfe
jne 0x4ec987
mov ebx, 0x100
shl ebx, cl
mov ecx, dword [ebp + 0x10]
dec ebx
xor ebx, dword [ebp + 0xc]
add ecx, edi
cmp dword [ebp + 0x18], 0
je 0x4ec985
add ebx, ecx
jmp 0x4ec987
mov ecx, edx
shr esi, cl
test esi, esi
je 0x4ec8e2
cmp esi, 4
ja 0x4ec977
cmp esi, 3
je 0x4ec977
mov ecx, esi
shr ecx, 1
movzx ecx, byte [ecx + eax + 1]
inc ecx
test cl, 0xfe
jne 0x4ec8e2
mov ecx, dword [ebp + 8]
or esi, 8
shr esi, 1
inc edi
jmp 0x4ec8b0
sub ebx, ecx
xor esi, esi
mov ecx, ebx
mov byte [eax + 1], bl
shr ecx, 8
mov byte [eax + 2], cl
mov ecx, ebx
shr ebx, 0x18
and bl, 1
shr ecx, 0x10
neg bl
mov byte [eax + 3], cl
mov ecx, dword [ebp + 8]
mov byte [eax + 4], bl
mov eax, 5
mov ebx, dword [ebp - 4]
add edi, eax
jmp 0x4ec8b0
mov ecx, dword [ebp + 8]
or esi, 8
mov eax, 1
shr esi, 1
add edi, eax
jmp 0x4ec8b0
mov eax, dword [ebp + 0x14]
mov ecx, edx
shr esi, cl
xor ecx, ecx
cmp edx, 2
pop ebx
cmovbe ecx, esi
mov dword [eax], ecx
mov eax, edi
pop edi
pop esi
mov esp, ebp
pop ebp
ret

Function at 0x4f137c
Capabilities:
Create thread

Disassembly:
push ebp
mov ebp, esp
push dword [ebp + 0x1c]
push dword [ebp + 0x18]
push dword [ebp + 0x14]
push dword [ebp + 0x10]
push dword [ebp + 0xc]
push dword [ebp + 8]
call dword [sym.imp.KERNEL32.dll_CreateThread]
pop ebp
ret

Function at 0x5283ef
Capabilities:
Read file on windows

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
pop ebp
jmp fcn.005280b2

Function at 0x5283fa
Capabilities:
Read file on windows

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
pop ebp
jmp fcn.00528233

Function at 0x52c324
Capabilities:
Set environment variable

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
pop ebp
jmp fcn.0052bfe4
Function at 0x53be10
Capabilities:
Encode data using xor
Hash data using djb2

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 0xc]
xor edx, edx
push ebx
push esi
mov esi, dword [ebp + 8]
mov ebx, 0x1505
add eax, esi
mov ecx, eax
sub ecx, esi
push edi
xor edi, edi
cmp esi, eax
cmova ecx, edx
mov dword [ebp + 8], ecx
test ecx, ecx
je 0x53be59
mov al, byte [esi]
push eax
call fcn.0054b1d0
movsx ecx, al
lea esi, [esi + 1]
mov eax, ebx
inc edi
shl eax, 5
add esp, 4
add eax, ebx
xor ecx, eax
mov ebx, ecx
cmp edi, dword [ebp + 8]
jb 0x53be37
pop edi
pop esi
movzx eax, bl
pop ebx
pop ebp
ret
Function at 0x546370
Capabilities:
Write file on windows

Disassembly:
push ebp
mov ebp, esp
push edi
mov edi, dword [ebp + 8]
cmp byte [edi + 0x6f2], 0
je 0x5463f3
cmp dword [edi + 0x1b0], 0
je 0x5463bd
push esi
push 1
push edi
call fcn.005380e0
push dword [edi + 0x14c]
mov eax, dword [edi + 0x1b0]
push dword [ebp + 0x14]
push dword [ebp + 0x10]
push dword [ebp + 0xc]
push edi
call eax
push 0
push edi
mov esi, eax
call fcn.005380e0
add esp, 0x24
mov eax, esi
pop esi
pop edi
pop ebp
ret
mov eax, dword [ebp + 0xc]
cmp eax, 2
ja 0x5463f3
push dword [edi + 0x148]
lea eax, [eax + eax*2]
push 1
add eax, 0x6a4950
push 2
push eax
call fcn.00510f17
push dword [edi + 0x148]
push 1
push dword [ebp + 0x14]
push dword [ebp + 0x10]
call fcn.00510f17
add esp, 0x20
xor eax, eax
pop edi
pop ebp
ret

Function at 0x546770
Capabilities:
Send data
Send data on socket

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x108
mov eax, dword [0x71906c]
xor eax, ebp
mov dword [ebp - 4], eax
mov edx, dword [ebp + 8]
mov ecx, dword [ebp + 0xc]
push ebx
push esi
mov eax, dword [edx + 0xc]
mov esi, dword [ebp + 0x18]
push edi
mov edi, dword [ebp + 0x10]
mov ebx, dword [eax + ecx*4 + 0x148]
push ecx
push eax
push edx
mov dword [ebp - 0x108], edx
call fcn.00546bf0
add esp, 0xc
test eax, eax
je 0x5467cb
pop edi
mov dword [esi], 0x1b
or eax, 0xffffffff
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0042d755
mov esp, ebp
pop ebp
ret
push 0
push dword [ebp + 0x14]
push edi
push ebx
call dword [sym.imp.WS2_32.dll_send]
mov edi, eax
mov dword [esi], 0
cmp edi, 0xffffffff
jne 0x546848
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov ebx, eax
cmp ebx, 0x2733
jne 0x546810
xor edi, edi
mov dword [esi], 0x51
mov eax, edi
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0042d755
mov esp, ebp
pop ebp
ret
push 0x100
lea eax, [ebp - 0x104]
push eax
push ebx
call fcn.00534040
push eax
push str.Send_failure:__s
push dword [ebp - 0x108]
call fcn.00546400
mov eax, dword [ebp - 0x108]
add esp, 0x18
mov dword [eax + 0x93c], ebx
mov dword [esi], 0x37
mov ecx, dword [ebp - 4]
mov eax, edi
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.0042d755
mov esp, ebp
pop ebp
ret
Function at 0x546bf0
Capabilities:
Receive data
Receive data on socket

Disassembly:
push ebp
mov ebp, esp
mov edx, dword [ebp + 0x10]
mov ecx, dword [ebp + 0xc]
push ebx
push esi
lea esi, [edx + 0x17]
mov eax, dword [ecx + 0x288]
shl esi, 4
add esi, ecx
push edi
mov edi, dword [esi + 4]
sub edi, dword [esi + 8]
test byte [eax + 0x40], 3
je 0x546cc1
cmp dword [ecx + edx*4 + 0x160], 0x546670
jne 0x546cc1
cmp dword [esi], 0
je 0x546c38
test edi, edi
je 0x546cc1
mov ebx, dword [ecx + edx*4 + 0x148]
push 0
push 0
push 0xffffffffffffffff
push 0xffffffffffffffff
push ebx
call fcn.00555670
add esp, 0x14
cmp eax, 0xffffffff
je 0x546cc1
test al, 1
je 0x546cc1
mov ecx, dword [esi]
test ecx, ecx
jne 0x546c9c
mov eax, dword [ebp + 8]
mov eax, dword [eax + 0x4c8]
add eax, eax
push eax
mov dword [esi + 4], eax
call dword [0x719dec]
mov ecx, eax
add esp, 4
mov dword [esi], ecx
test ecx, ecx
jne 0x546c87
pop edi
pop esi
lea eax, [ecx + 0x1b]
pop ebx
pop ebp
ret
mov edi, dword [esi + 4]
mov dword [esi + 8], 0
mov dword [esi + 0xc], 0
test ecx, ecx
je 0x546cba
mov eax, dword [esi + 8]
push 0
push edi
add eax, ecx
push eax
push ebx
call dword [sym.imp.WS2_32.dll_recv]
test eax, eax
jle 0x546cc1
add dword [esi + 8], eax
xor eax, eax
pop edi
pop esi
pop ebx
pop ebp
ret
mov dword [esi + 4], 0
pop edi
pop esi
xor eax, eax
pop ebx
pop ebp
ret

Function at 0x546e50
Capabilities:
Receive data
Receive data on socket

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 8]
cmp byte [eax + 0x19c], 0
je 0x546e70
push eax
call fcn.00540360
add esp, 4
test eax, eax
jne 0x546e8e
xor al, al
pop ebp
ret
mov eax, dword [eax + 0x148]
cmp eax, 0xffffffff
je 0x546e6c
push 2
push 1
lea ecx, [ebp + 0xb]
push ecx
push eax
call dword [sym.imp.WS2_32.dll_recv]
test eax, eax
je 0x546e6c
mov al, 1
pop ebp
ret

Function at 0x547080
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x188
mov eax, dword [0x71906c]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
mov ebx, dword [ebp + 8]
lea eax, [ebp - 0x184]
push esi
mov esi, dword [ebp + 0x10]
push edi
mov edi, dword [ebp + 0x14]
push 0x80
push 0
push eax
mov dword [ebp - 0x188], 0x80
call fcn.00506fe0
add esp, 0xc
lea eax, [ebp - 0x188]
push eax
lea eax, [ebp - 0x184]
push eax
push dword [ebp + 0xc]
call dword [sym.imp.WS2_32.dll_getsockname]
test eax, eax
je 0x5470fd
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov esi, eax
lea eax, [ebp - 0x104]
push 0x100
push eax
push esi
call fcn.00534040
push eax
push esi
push str.getsockname___failed_with_errno__d:__s
jmp 0x547140
push edi
push esi
push dword [ebp - 0x188]
lea eax, [ebp - 0x184]
push eax
call fcn.00546cd0
add esp, 0x10
test al, al
jne 0x547149
call fcn.0050cbe7
mov esi, dword [eax]
call fcn.0050cbe7
mov edi, eax
lea eax, [ebp - 0x104]
push 0x100
push eax
push esi
call fcn.00534040
push eax
push dword [edi]
push str.ssloc_inet_ntop___failed_with_errno__d:__s
push ebx
call fcn.00546400
add esp, 0x1c
mov ecx, dword [ebp - 4]
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.0042d755
mov esp, ebp
pop ebp
ret
Function at 0x5478d0
Capabilities:
Set socket configuration

Disassembly:
push ebp
mov ebp, esp
sub esp, 0xc
mov eax, dword [0x7277dc]
mov dword [ebp - 8], 0x4020
mov dword [ebp - 4], 0
mov dword [ebp - 0xc], 4
test eax, eax
jne 0x547921
push 3
push 2
push eax
push 6
call fcn.00572660
add esp, 0x10
test al, al
je 0x547915
mov dword [0x7277dc], 2
mov esp, ebp
pop ebp
ret
mov dword [0x7277dc], 1
jmp 0x547926
cmp eax, 2
je 0x547966
lea eax, [ebp - 0xc]
push eax
lea eax, [ebp - 4]
push eax
push 0x1001
push 0xffff
push dword [ebp + 8]
call dword [sym.imp.WS2_32.dll_getsockopt]
test eax, eax
jne 0x54794d
mov eax, dword [ebp - 4]
cmp eax, dword [ebp - 8]
jg 0x547966
push 4
lea eax, [ebp - 8]
push eax
push 0x1001
push 0xffff
push dword [ebp + 8]
call dword [sym.imp.WS2_32.dll_setsockopt]
mov esp, ebp
pop ebp
ret