joyce8/EMBER2024-capa huggingface dataset:
Function at 0x5b3ea0
Capabilities:
Get number of processors

Disassembly:
mov eax, dword fs:[0]
push 0xffffffffffffffff
push 0x63f890
push eax
mov dword fs:[0], esp
sub esp, 0x14
push ebx
push esi
push edi
mov edi, dword [esp + 0x30]
mov esi, ecx
mov eax, dword [edi]
mov ecx, dword [eax - 8]
test ecx, ecx
je 0x5b4047
mov ecx, dword [0x7d0c08]
mov dword [esp + 0x10], 0
mov dword [esp + 0xc], ecx
mov dword [esp + 0x28], 0
mov dword [esp + 0x30], ecx
mov ecx, dword [eax - 8]
mov bl, 1
test ecx, ecx
mov byte [esp + 0x28], bl
jle 0x5b3f9c
lea eax, [esp + 0x10]
lea ecx, [esp + 0x14]
push eax
push edi
push ecx
mov ecx, esi
call fcn.005b2bc0
push eax
lea ecx, [esp + 0x10]
mov byte [esp + 0x2c], 2
call fcn.006298f4
lea ecx, [esp + 0x14]
mov byte [esp + 0x28], bl
call fcn.006297bb
push ecx
mov ecx, esp
mov dword [esp + 0x20], esp
push 0x7132a8
call fcn.00629829
lea edx, [esp + 0x14]
push 0x3d
push edx
lea eax, [esp + 0x24]
push edi
push eax
mov ecx, esi
call fcn.005b2f80
push eax
lea ecx, [esp + 0x34]
mov byte [esp + 0x2c], 3
call fcn.006298f4
lea ecx, [esp + 0x18]
mov byte [esp + 0x28], bl
call fcn.006297bb
lea ecx, [esp + 0xc]
call fcn.00629ccf
mov ecx, dword [esp + 0xc]
push 0x713ce4
push ecx
call fcn.00613384
add esp, 8
test eax, eax
je 0x5b3fc4
mov edx, dword [edi]
mov ecx, dword [esp + 0x10]
mov eax, dword [edx - 8]
cmp ecx, eax
jl 0x5b3efd
mov esi, dword [esp + 0x34]
lea ecx, [esp + 0x30]
mov byte [esp + 0x28], 0
call fcn.006297bb
lea ecx, [esp + 0xc]
mov dword [esp + 0x28], 0xffffffff
call fcn.006297bb
jmp 0x5b404b
lea eax, [esp + 0x30]
mov ecx, esi
push eax
call fcn.005b3c40
test eax, eax
push 0
je 0x5b402f
lea ecx, [esp + 0x34]
push 0x64
push ecx
mov ecx, esi
call fcn.005b22e0
mov ecx, dword [esp + 0x3c]
test ecx, ecx
je 0x5b4015
cmp eax, 0x64
jg 0x5b4003
mov edx, dword [esp + 0x38]
push eax
push 0x64
push edx
call dword [sym.imp.KERNEL32.dll_MulDiv]
mov esi, eax
jmp 0x5b3fa0
push 0x64
push eax
mov eax, dword [esp + 0x40]
push eax
call dword [sym.imp.KERNEL32.dll_MulDiv]
mov esi, eax
jmp 0x5b3fa0
cmp eax, 0x64
jge 0x5b3f9c
mov ecx, dword [esp + 0x34]
push 0x64
push eax
push ecx
call dword [sym.imp.KERNEL32.dll_MulDiv]
mov esi, eax
jmp 0x5b3fa0
mov edx, dword [esp + 0x3c]
lea eax, [esp + 0x34]
push edx
push eax
mov ecx, esi
call fcn.005b22e0
mov esi, eax
jmp 0x5b3fa0
mov esi, dword [esp + 0x34]
mov eax, dword [esp + 0x38]
cmp esi, eax
jl 0x5b4055
mov eax, esi
mov ecx, dword [esp + 0x20]
pop edi
pop esi
mov dword fs:[0], ecx
pop ebx
add esp, 0x20
ret 0x10
Function at 0x5bb0f0
Capabilities:
Delete file

Disassembly:
push 0xffffffffffffffff
push 0x63fa28
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x24
push ebx
push esi
mov esi, ecx
lea ecx, [esp + 0x10]
call fcn.0060ab4c
mov eax, dword [esp + 0x3c]
lea ecx, [esp + 8]
push eax
mov dword [esp + 0x38], 0
call fcn.00629829
lea ecx, [esp + 0x3c]
push 1
push ecx
lea ecx, [esp + 0x10]
mov byte [esp + 0x3c], 1
call fcn.00625f5c
mov eax, dword [eax]
push 0x714500
push eax
call fcn.00613384
add esp, 8
lea ecx, [esp + 0x3c]
test eax, eax
setne bl
call fcn.006297bb
test bl, bl
je 0x5bb170
push 0x714500
lea ecx, [esp + 0xc]
call fcn.00629b97
push 0x7144fc
lea ecx, [esp + 0xc]
call fcn.00629b97
mov edx, dword [esp + 8]
push 0
push edx
lea ecx, [esp + 0x18]
call fcn.0060ac0f
test eax, eax
je 0x5bb234
push ebp
mov ebp, dword [sym.imp.KERNEL32.dll_DeleteFileA]
push edi
mov bl, 2
lea ecx, [esp + 0x18]
call fcn.0060ae2f
mov edi, eax
mov eax, dword [esp + 0x18]
push 0x10
lea ecx, [esp + 0x1c]
call dword [eax + 0x38]
test eax, eax
je 0x5bb1f0
lea ecx, [esp + 0x18]
call fcn.0060adf6
test eax, eax
jne 0x5bb1f0
lea ecx, [esp + 0x44]
push ecx
lea ecx, [esp + 0x1c]
call fcn.0060aefe
mov eax, dword [eax]
mov ecx, esi
push eax
mov byte [esp + 0x40], bl
call fcn.005bb0f0
mov byte [esp + 0x3c], 1
lea ecx, [esp + 0x44]
jmp 0x5bb225
lea ecx, [esp + 0x18]
call fcn.0060adf6
test eax, eax
jne 0x5bb22a
mov edx, dword [esp + 0x18]
push 0x10
lea ecx, [esp + 0x1c]
call dword [edx + 0x38]
test eax, eax
jne 0x5bb22a
lea eax, [esp + 0x14]
lea ecx, [esp + 0x18]
push eax
call fcn.0060aefe
mov eax, dword [eax]
push eax
call ebp
lea ecx, [esp + 0x14]
call fcn.006297bb
test edi, edi
jne 0x5bb1a0
pop edi
pop ebp
lea ecx, [esp + 0x10]
call fcn.0060abc5
lea ecx, [esp + 8]
mov byte [esp + 0x34], 0
call fcn.006297bb
lea ecx, [esp + 0x10]
mov dword [esp + 0x34], 0xffffffff
call fcn.0060ab89
mov ecx, dword [esp + 0x2c]
pop esi
pop ebx
mov dword fs:[0], ecx
add esp, 0x30
ret 4
Function at 0x5bb330
Capabilities:
Get file attributes
Set file attributes

Disassembly:
push 0xffffffffffffffff
push 0x63fa56
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x14c
mov eax, dword [0x7d0c08]
push ebx
push esi
mov ebx, ecx
mov dword [esp + 8], eax
mov dword [esp + 0x15c], 0
mov dword [esp + 0xc], eax
mov esi, dword [esp + 0x164]
lea ecx, [esp + 0xc]
push esi
mov byte [esp + 0x160], 1
call fcn.00629944
push 0x714524
lea ecx, [esp + 0x10]
call fcn.00629b97
mov ecx, dword [esp + 0xc]
lea eax, [esp + 0x14]
push eax
push ecx
call dword [sym.imp.KERNEL32.dll_FindFirstFileA]
cmp eax, 0xffffffff
mov dword [esp + 0x10], eax
jne 0x5bb3d3
lea ecx, [esp + 0xc]
mov byte [esp + 0x15c], 0
call fcn.006297bb
lea ecx, [esp + 8]
mov dword [esp + 0x15c], 0xffffffff
call fcn.006297bb
xor eax, eax
jmp 0x5bb518
push ebp
mov ebp, dword [esp + 0x16c]
push edi
mov edi, dword [esp + 0x174]
lea edx, [esp + 0x48]
push 0x714520
push edx
call fcn.00613384
add esp, 8
test eax, eax
je 0x5bb4c9
lea eax, [esp + 0x48]
push 0x71451c
push eax
call fcn.00613384
add esp, 8
test eax, eax
je 0x5bb4c9
test ebp, ebp
jne 0x5bb435
lea ecx, [esp + 0x48]
push str.desktop.ini
push ecx
call fcn.00613433
add esp, 8
test eax, eax
je 0x5bb4c9
push esi
lea ecx, [esp + 0x14]
call fcn.00629944
push 0x5c
lea ecx, [esp + 0x14]
call fcn.00629bbe
lea edx, [esp + 0x48]
lea ecx, [esp + 0x10]
push edx
call fcn.00629b97
mov eax, dword [esp + 0x10]
push eax
call dword [sym.imp.KERNEL32.dll_GetFileAttributesA]
test al, 1
je 0x5bb475
mov ecx, dword [esp + 0x10]
and al, 0xfe
push eax
push ecx
call dword [sym.imp.KERNEL32.dll_SetFileAttributesA]
test byte [esp + 0x1c], 0x10
je 0x5bb497
mov edx, dword [esp + 0x10]
push edi
push ebp
push edx
mov ecx, ebx
call fcn.005bb330
mov eax, dword [esp + 0x10]
push eax
call dword [sym.imp.KERNEL32.dll_RemoveDirectoryA]
jmp 0x5bb4c9
test edi, edi
je 0x5bb4be
lea ecx, [esp + 0x48]
push str.index.dat
push ecx
call fcn.00613433
add esp, 8
test eax, eax
jne 0x5bb4be
lea edx, [esp + 0x48]
mov ecx, ebx
push edx
push esi
call fcn.005bb540
mov eax, dword [esp + 0x10]
push eax
call dword [sym.imp.KERNEL32.dll_DeleteFileA]
mov edx, dword [esp + 0x18]
lea ecx, [esp + 0x1c]
push ecx
push edx
call dword [sym.imp.KERNEL32.dll_FindNextFileA]
test eax, eax
jne 0x5bb3e3
mov eax, dword [esp + 0x18]
push eax
call dword [sym.imp.KERNEL32.dll_FindClose]
lea ecx, [esp + 0x14]
mov byte [esp + 0x164], 0
call fcn.006297bb
lea ecx, [esp + 0x10]
mov dword [esp + 0x164], 0xffffffff
call fcn.006297bb
pop edi
mov eax, 1
pop ebp
mov ecx, dword [esp + 0x154]
pop esi
pop ebx
mov dword fs:[0], ecx
add esp, 0x158
ret 0xc
Function at 0x5bb540
Capabilities:
Get file size
Write file on windows

Disassembly:
mov eax, dword fs:[0]
push 0xffffffffffffffff
push 0x63fa6b
push eax
mov eax, 0x2718
mov dword fs:[0], esp
call fcn.00613c70
mov eax, dword [0x7d0c08]
push edi
mov dword [esp + 4], eax
mov ecx, 0x9c4
xor eax, eax
lea edi, [esp + 0xc]
mov dword [esp + 0x2724], 0
rep stosd dword es:[edi], eax
mov ecx, dword [esp + 0x272c]
push ecx
lea ecx, [esp + 8]
call fcn.00629944
push 0x5c
lea ecx, [esp + 8]
call fcn.00629bbe
mov edx, dword [esp + 0x2730]
lea ecx, [esp + 4]
push edx
call fcn.00629b97
mov eax, dword [esp + 4]
push 0
push 0x80
push 3
push 0
push 3
push 0x40000000
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileA]
mov edi, eax
cmp edi, 0xffffffff
jne 0x5bb5e6
lea ecx, [esp + 4]
mov dword [esp + 0x2724], eax
call fcn.006297bb
xor eax, eax
jmp 0x5bb663
push ebx
push esi
push 0
push edi
call dword [sym.imp.KERNEL32.dll_GetFileSize]
push 0
push 0
mov esi, eax
push 0x40
push edi
sub esi, 0x40
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
test esi, esi
jbe 0x5bb641
mov ebx, dword [sym.imp.KERNEL32.dll_WriteFile]
cmp esi, 0x2710
push 0
jbe 0x5bb633
lea ecx, [esp + 0x14]
lea edx, [esp + 0x18]
push ecx
push 0x2710
push edx
push edi
call ebx
sub esi, 0x2710
jne 0x5bb60d
jmp 0x5bb641
lea eax, [esp + 0x14]
lea ecx, [esp + 0x18]
push eax
push esi
push ecx
push edi
call ebx
push edi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
lea ecx, [esp + 0xc]
mov dword [esp + 0x272c], 0xffffffff
call fcn.006297bb
pop esi
mov eax, 1
pop ebx
mov ecx, dword [esp + 0x271c]
pop edi
mov dword fs:[0], ecx
add esp, 0x2724
ret 8

Function at 0x5bb930
Capabilities:
Check for time delay via gettickcount

Disassembly:
sub esp, 0xa0
push ebx
push ebp
mov ebp, dword [esp + 0xac]
push esi
push edi
push ebp
call sub.RASAPI32.dll_RasHangUpA
mov esi, dword [sym.imp.KERNEL32.dll_GetTickCount]
mov ecx, 0x28
xor eax, eax
lea edi, [esp + 0x10]
rep stosd dword es:[edi], eax
mov dword [esp + 0x10], 0xa0
call esi
mov edi, eax
call esi
sub eax, edi
cmp eax, 0xbb8
jae 0x5bb996
mov ebx, dword [sym.imp.KERNEL32.dll_Sleep]
lea eax, [esp + 0x10]
push eax
push ebp
call sub.RASAPI32.dll_RasGetConnectStatusA
cmp eax, 6
je 0x5bb996
push 0
call ebx
call esi
sub eax, edi
cmp eax, 0xbb8
jb 0x5bb977
pop edi
pop esi
pop ebp
pop ebx
add esp, 0xa0
ret

Function at 0x5bbd20
Capabilities:
Create http request

Disassembly:
push esi
mov esi, ecx
cmp dword [esi], 0
jne 0x5bbd58
mov edx, dword [esi + 4]
xor eax, eax
push 0
push 0
mov ecx, dword [edx - 8]
test ecx, ecx
setne al
mov ecx, eax
neg ecx
sbb ecx, ecx
and ecx, edx
neg eax
sbb eax, eax
push ecx
and eax, 2
inc eax
push eax
push str.Mozilla_4.0__compatible__MSIE_6.0__Windows_NT_5.0_
call dword [sym.imp.WININET.dll_InternetOpenA]
mov dword [esi], eax
mov ecx, dword [esi]
xor eax, eax
test ecx, ecx
setne al
pop esi
ret
Function at 0x5bc990
Capabilities:
Get socket status

Disassembly:
sub esp, 0x10c
mov eax, dword [ecx]
lea ecx, [esp]
push ecx
push 0
lea edx, [esp + 0x10]
push 0
push edx
push 0
mov dword [esp + 0x14], 0
mov dword [esp + 0x18], 0
mov dword [esp + 0x20], eax
mov dword [esp + 0x1c], 1
call sub.WS2_32.dll_select
cmp eax, 0xffffffff
jne 0x5bc9d9
xor eax, eax
add esp, 0x10c
ret 4
mov edx, dword [esp + 0x110]
xor ecx, ecx
test eax, eax
setne cl
mov dword [edx], ecx
mov eax, 1
add esp, 0x10c
ret 4

Function at 0x5bce50
Capabilities:
Access peb ldr_data

Disassembly:
push 0xffffffffffffffff
push 0x63fcb0
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 8
push esi
mov esi, ecx
lea ecx, [esp + 4]
call fcn.005bca00
lea eax, [esp + 4]
lea ecx, [esi + 4]
push eax
mov dword [esp + 0x18], 0
call fcn.005bca80
lea ecx, [esp + 4]
push ecx
lea ecx, [esi + 0x14]
call fcn.005bca80
lea ecx, [esi + 0xc]
call fcn.00629746
lea ecx, [esi + 0x10]
call fcn.00629746
push 0xffffffffffffffff
push 0
lea ecx, [esi + 0x1c]
call fcn.005be010
push 0xffffffffffffffff
push 0
lea ecx, [esi + 0x30]
call fcn.005be010
push 0xffffffffffffffff
push 0
lea ecx, [esi + 0x44]
call fcn.005be010
lea ecx, [esp + 8]
mov dword [esp + 0x14], 1
call fcn.006297bb
lea ecx, [esp + 4]
mov dword [esp + 0x14], 0xffffffff
call fcn.006297bb
mov ecx, dword [esp + 0xc]
pop esi
mov dword fs:[0], ecx
add esp, 0x14
ret
Function at 0x5c1d30
Capabilities:
Terminate process

Disassembly:
push ecx
push ebx
push ebp
push esi
push 0x800
call fcn.00613f77
mov esi, dword [esp + 0x18]
add esp, 4
mov edx, eax
xor ebp, ebp
test esi, esi
mov dword [esp + 0xc], edx
jne 0x5c1d58
pop esi
pop ebp
xor eax, eax
pop ebx
pop ecx
ret
push edi
mov edi, esi
or ecx, 0xffffffff
xor eax, eax
repne scasb al, byte es:[edi]
not ecx
dec ecx
pop edi
cmp ecx, 0x800
jbe 0x5c1d73
pop esi
pop ebp
pop ebx
pop ecx
ret
mov al, byte [esi]
inc esi
test al, al
je 0x5c1e49
cmp ebp, 0x400
je 0x5c1e34
cmp al, 0x25
jne 0x5c1e13
mov al, byte [esi]
inc esi
test al, al
je 0x5c1e2c
mov cl, byte [esi]
inc esi
test cl, cl
mov byte [esp + 0x14], cl
je 0x5c1e2c
movsx eax, al
push eax
call fcn.006157b8
movsx ecx, byte [esp + 0x18]
push ecx
mov bl, al
call fcn.006157b8
movsx edx, bl
push edx
mov byte [esp + 0x20], al
call fcn.006132f5
add esp, 0xc
test eax, eax
je 0x5c1e42
movsx eax, byte [esp + 0x14]
push eax
call fcn.006132f5
add esp, 4
test eax, eax
je 0x5c1e42
cmp bl, 0x39
jg 0x5c1df2
add bl, 0xd0
jmp 0x5c1df5
add bl, 0xa9
mov al, byte [esp + 0x14]
cmp al, 0x39
jg 0x5c1e01
add al, 0xd0
jmp 0x5c1e03
add al, 0xa9
mov ecx, dword [esp + 0xc]
shl bl, 4
add bl, al
mov edx, ecx
mov byte [ecx + ebp], bl
jmp 0x5c1e20
cmp al, 0x2b
jne 0x5c1e1d
mov byte [edx + ebp], 0x20
jmp 0x5c1e20
mov byte [edx + ebp], al
mov al, byte [esi]
inc ebp
inc esi
test al, al
jne 0x5c1d7e
cmp ebp, 0x400
jne 0x5c1e49
pop esi
pop ebp
mov byte [edx + 0x3ff], 0
mov eax, edx
pop ebx
pop ecx
ret
push 0
call fcn.00616345
mov byte [edx + ebp], 0
pop esi
pop ebp
mov eax, edx
pop ebx
pop ecx
ret

Function at 0x5c5860
Capabilities:
Set socket configuration

Disassembly:
push ecx
mov ecx, dword [esp + 8]
lea eax, [esp]
push eax
push 0x8004667e
push ecx
mov dword [esp + 0xc], 0
call sub.WS2_32.dll_ioctlsocket
xor edx, edx
cmp eax, 0xffffffff
setne dl
mov eax, edx
pop ecx
ret

Function at 0x5c5890
Capabilities:
Set socket configuration

Disassembly:
push ecx
mov ecx, dword [esp + 8]
lea eax, [esp]
push eax
push 0x8004667e
push ecx
mov dword [esp + 0xc], 1
call sub.WS2_32.dll_ioctlsocket
xor edx, edx
cmp eax, 0xffffffff
setne dl
mov eax, edx
pop ecx
ret

Function at 0x5c58c0
Capabilities:
Create tcp socket
Initialize winsock library

Disassembly:
sub esp, 0x190
lea eax, [esp]
push eax
push 1
call sub.WS2_32.dll_WSAStartup
test eax, eax
je 0x5c58e0
or eax, 0xffffffff
add esp, 0x190
ret
push 6
push 1
push 2
call sub.WS2_32.dll_socket
add esp, 0x190
ret
Function at 0x5c5910
Capabilities:
Connect socket
Get socket status

Disassembly:
sub esp, 0x228
push esi
mov esi, dword [esp + 0x234]
test esi, esi
je 0x5c5afe
mov ecx, dword [esp + 0x23c]
mov eax, 0x66666667
imul ecx
sar edx, 2
mov eax, edx
push ebx
shr eax, 0x1f
add edx, eax
push edi
test edx, edx
mov edi, 1
mov dword [esp + 0xc], edx
jg 0x5c5951
mov dword [esp + 0xc], edi
xor ecx, ecx
push esi
mov dword [esp + 0x18], ecx
mov word [esp + 0x18], 2
mov dword [esp + 0x1c], ecx
mov dword [esp + 0x20], ecx
mov dword [esp + 0x24], ecx
call sub.WS2_32.dll_inet_addr
mov edx, dword [esp + 0x240]
mov dword [esp + 0x18], eax
push edx
call sub.WS2_32.dll_htons
mov esi, dword [esp + 0x238]
mov word [esp + 0x16], ax
push esi
call fcn.005c5890
add esp, 4
call dword [sym.imp.KERNEL32.dll_GetTickCount]
lea eax, [esp + 0x14]
push 0x10
push eax
push esi
call sub.WS2_32.dll_connect
test eax, eax
jge 0x5c5ae7
call fcn.005f7c30
push eax
call fcn.005c5b10
add esp, 4
cmp eax, 0xffffd8cd
je 0x5c59e4
cmp eax, 0xffffd8cc
je 0x5c59e4
push esi
mov edi, eax
call fcn.005c5860
add esp, 4
mov eax, edi
pop edi
pop ebx
pop esi
add esp, 0x228
ret
mov eax, dword [esp + 0xc]
mov dword [esp + 0x10], 0
test eax, eax
jle 0x5c5a99
lea ebx, [esi + 1]
lea ecx, [esp + 0x24]
lea edx, [esp + 0x2c]
push ecx
push 0
lea eax, [esp + 0x138]
push edx
push eax
push ebx
mov dword [esp + 0x44], esi
mov dword [esp + 0x40], edi
mov dword [esp + 0x148], esi
mov dword [esp + 0x144], edi
mov dword [esp + 0x38], 0
mov dword [esp + 0x3c], 0x2710
call sub.WS2_32.dll_select
cmp eax, 0xffffffff
je 0x5c5acd
lea ecx, [esp + 0x2c]
push ecx
push esi
call sub.WS2_32.dll___WSAFDIsSet
test eax, eax
jne 0x5c5ae7
lea edx, [esp + 0x130]
push edx
push esi
call sub.WS2_32.dll___WSAFDIsSet
test eax, eax
jne 0x5c5ae7
mov ecx, dword [esp + 0x248]
mov eax, dword [esp + 0x24c]
cmp dword [ecx], eax
je 0x5c5ab3
call fcn.005f7c30
test eax, eax
jne 0x5c5acd
mov eax, dword [esp + 0x10]
mov ecx, dword [esp + 0xc]
inc eax
cmp eax, ecx
mov dword [esp + 0x10], eax
jl 0x5c59fb
push esi
mov edi, 0xfffffff5
call fcn.005c5860
add esp, 4
mov eax, edi
pop edi
pop ebx
pop esi
add esp, 0x228
ret
push esi
mov edi, 0xffffffec
call fcn.005c5860
add esp, 4
mov eax, edi
pop edi
pop ebx
pop esi
add esp, 0x228
ret
push esi
mov edi, 0xfffffffb
call fcn.005c5860
add esp, 4
mov eax, edi
pop edi
pop ebx
pop esi
add esp, 0x228
ret
push esi
xor edi, edi
call fcn.005c5860
add esp, 4
mov eax, edi
pop edi
pop ebx
pop esi
add esp, 0x228
ret
xor eax, eax
pop esi
add esp, 0x228
ret
Function at 0x5c5f20
Capabilities:
Get socket status
Send data
Send data on socket

Disassembly:
sub esp, 0x10c
mov ecx, dword [esp + 0x114]
push esi
mov esi, dword [esp + 0x114]
mov dword [esp + 0xc], 1
test ecx, ecx
mov dword [esp + 0x10], esi
jne 0x5c5f53
push ecx
lea eax, [esp + 0x10]
push ecx
push eax
push ecx
lea ecx, [esi + 1]
push ecx
jmp 0x5c5fab
cmp ecx, 0xffffffff
jne 0x5c5f6a
mov dword [esp + 4], 0
mov dword [esp + 8], 0
jmp 0x5c5f99
mov eax, 0x10624dd3
imul ecx
sar edx, 6
mov eax, edx
shr eax, 0x1f
add edx, eax
mov eax, ecx
mov dword [esp + 4], edx
mov ecx, 0x3e8
cdq
idiv ecx
lea eax, [edx + edx*4]
lea eax, [eax + eax*4]
lea edx, [eax + eax*4]
shl edx, 3
mov dword [esp + 8], edx
lea eax, [esp + 4]
lea ecx, [esp + 0xc]
push eax
push 0
push ecx
lea edx, [esi + 1]
push 0
push edx
call sub.WS2_32.dll_select
test eax, eax
jge 0x5c5fc1
mov eax, 0xfffffffb
pop esi
add esp, 0x10c
ret
jne 0x5c5fd0
mov eax, 0xfffffffa
pop esi
add esp, 0x10c
ret
lea eax, [esp + 0xc]
push eax
push esi
call sub.WS2_32.dll___WSAFDIsSet
test eax, eax
je 0x5c6029
mov ecx, dword [esp + 0x11c]
mov edx, dword [esp + 0x120]
push 0
push ecx
push edx
push esi
call sub.WS2_32.dll_send
test eax, eax
jg 0x5c6011
call fcn.005f7c30
push eax
call fcn.005c5b10
add esp, 4
pop esi
add esp, 0x10c
ret
mov ecx, dword [0x822678]
test ecx, ecx
je 0x5c602e
mov edx, dword [ecx]
pop esi
add edx, eax
mov dword [ecx], edx
add esp, 0x10c
ret
mov eax, 0xfffffff7
pop esi
add esp, 0x10c
ret

Function at 0x5c6040
Capabilities:
Resolve dns

Disassembly:
mov eax, dword [esp + 4]
push eax
call sub.WS2_32.dll_gethostbyname
test eax, eax
jne 0x5c604f
ret
mov ecx, dword [eax + 0xc]
push esi
push edi
mov edx, dword [ecx]
mov eax, dword [edx]
push eax
call sub.WS2_32.dll_inet_ntoa
mov edi, eax
or ecx, 0xffffffff
xor eax, eax
repne scasb al, byte es:[edi]
mov eax, dword [esp + 0x10]
not ecx
sub edi, ecx
mov edx, ecx
mov esi, edi
mov edi, eax
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, edx
and ecx, 3
rep movsb byte es:[edi], byte [esi]
pop edi
pop esi
ret

Function at 0x5c61e0
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
sub esp, 0x14
mov edx, dword [esp + 0x18]
lea eax, [esp]
lea ecx, [esp + 4]
push eax
push ecx
push edx
mov dword [esp + 0xc], 0x10
call sub.WS2_32.dll_getsockname
test eax, eax
jne 0x5c6216
mov eax, dword [esp + 6]
push eax
call sub.WS2_32.dll_ntohs
and eax, 0xffff
add esp, 0x14
ret
or eax, 0xffffffff
add esp, 0x14
ret

Function at 0x5c6220
Capabilities:
Get hostname
Resolve dns

Disassembly:
sub esp, 0x64
lea eax, [esp]
push esi
push 0x64
push eax
xor esi, esi
call sub.WS2_32.dll_gethostname
lea ecx, [esp + 4]
push ecx
call sub.WS2_32.dll_gethostbyname
test eax, eax
jne 0x5c6245
pop esi
add esp, 0x64
ret
mov edx, dword [eax + 0xc]
mov eax, dword [edx]
test eax, eax
je 0x5c6258
mov eax, dword [eax]
push eax
call sub.WS2_32.dll_inet_ntoa
mov esi, eax
mov eax, esi
pop esi
add esp, 0x64
ret
Function at 0x5c6580
Capabilities:
Terminate thread

Disassembly:
mov eax, dword [esp + 4]
push esi
mov esi, dword [esp + 0xc]
push esi
push eax
call fcn.005c66b0
add esp, 8
test eax, eax
jne 0x5c6599
pop esi
ret
mov eax, dword [esi + 0x8c]
test eax, eax
jne 0x5c65a5
pop esi
ret
push 0
push eax
call dword [sym.imp.KERNEL32.dll_TerminateThread]
mov dword [esi + 0x8c], 0
pop esi
ret

Function at 0x5c65c0
Capabilities:
Terminate thread

Disassembly:
push esi
push edi
mov edi, dword [esp + 0x10]
mov eax, dword [edi + 0x38c]
mov esi, dword [edi]
push eax
call fcn.005c68a0
add esp, 4
test esi, esi
je 0x5c664a
mov edi, dword [esp + 0xc]
push ebp
mov ebp, dword [sym.imp.KERNEL32.dll_TerminateThread]
mov eax, dword [esi + 0x8c]
test eax, eax
je 0x5c663e
cmp dword [esi + 8], 0xffffffff
je 0x5c663e
push 0
push eax
call ebp
mov dword [esi + 0x8c], 0
mov ecx, dword [edi + 0xa0]
test ecx, ecx
je 0x5c662c
mov eax, dword [esi + 0x1c]
push 0
lea edx, [eax*8]
sub edx, eax
lea eax, [ecx + edx*4]
mov ecx, dword [ecx + edx*4 + 0x14]
mov edx, dword [eax + 0xc]
add ecx, edx
push ecx
jmp 0x5c6630
push 0
push 0
push esi
push 8
push 0x15
push edi
call fcn.005c2240
add esp, 0x18
mov esi, dword [esi + 0x48]
test esi, esi
jne 0x5c65e6
mov edi, dword [esp + 0x14]
pop ebp
mov edx, dword [edi + 0x38c]
push edx
call fcn.005c68b0
add esp, 4
pop edi
pop esi
ret

Function at 0x5c7a90
Capabilities:
Encode data using xor

Disassembly:
mov eax, dword [esp + 8]
mov ecx, dword [esp + 4]
mov edx, eax
dec eax
test edx, edx
je 0x5c7acc
push ebx
push esi
lea esi, [eax + 1]
mov eax, dword [esp + 0x14]
mov edx, eax
xor ebx, ebx
mov bl, byte [ecx]
and edx, 0xff
xor edx, ebx
xor ebx, ebx
mov bl, ah
mov ax, word [edx*2 + 0x6e1414]
xor ax, bx
inc ecx
dec esi
jne 0x5c7aa8
pop esi
pop ebx
ret
mov ax, word [esp + 0xc]
ret
Function at 0x5cb7d0
Capabilities:
Enumerate pe sections

Disassembly:
mov eax, dword [esp + 4]
test eax, eax
je 0x5cb9a2
xor ecx, ecx
xor edx, edx
mov ch, byte [eax]
mov dl, byte [eax + 2]
mov cl, byte [eax + 1]
push ebx
shl ecx, 8
or ecx, edx
xor edx, edx
mov dl, byte [eax + 3]
push ebp
shl ecx, 8
or ecx, edx
xor edx, edx
mov dl, byte [eax + 6]
mov dword [eax], ecx
xor ecx, ecx
push esi
mov ch, byte [eax + 4]
push edi
mov cl, byte [eax + 5]
xor ebp, ebp
shl ecx, 8
or ecx, edx
xor edx, edx
mov dl, byte [eax + 7]
shl ecx, 8
or ecx, edx
mov edx, dword [esp + 0x18]
mov dword [eax + 4], ecx
xor ecx, ecx
mov ch, byte [eax + 8]
lea edi, [edx + 0xc]
mov cl, byte [eax + 9]
mov word [eax + 8], cx
mov ecx, dword [eax]
mov dword [edx], ecx
mov ecx, dword [eax + 4]
mov dword [edx + 4], ecx
mov cx, word [eax + 8]
mov word [edx + 8], cx
xor ecx, ecx
movzx si, byte [eax + 0xb]
mov ch, byte [eax + 0xa]
or ecx, esi
mov word [eax + 0xa], cx
mov word [edx + 0xa], cx
movzx si, byte [eax + 0xb]
xor ecx, ecx
mov ch, byte [eax + 0xa]
or ecx, esi
mov esi, dword [eax + 0xc]
mov word [eax + 0xa], cx
and ecx, 0xffff
mov ebx, ecx
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, ebx
and ecx, 3
rep movsb byte es:[edi], byte [esi]
movzx si, byte [eax + 0x11]
mov bp, word [eax + 0xa]
xor ecx, ecx
mov ch, byte [eax + 0x10]
add ebp, 0xc
or ecx, esi
mov word [eax + 0x10], cx
mov word [edx + ebp], cx
movzx si, byte [eax + 0x11]
xor ecx, ecx
lea edi, [edx + ebp + 2]
mov ch, byte [eax + 0x10]
or ecx, esi
mov esi, dword [eax + 0x14]
mov word [eax + 0x10], cx
and ecx, 0xffff
mov ebx, ecx
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, ebx
and ecx, 3
rep movsb byte es:[edi], byte [esi]
movzx si, byte [eax + 0x19]
xor ecx, ecx
mov cx, word [eax + 0x10]
lea ebp, [ecx + ebp + 2]
xor ecx, ecx
mov ch, byte [eax + 0x18]
or ecx, esi
lea edi, [edx + ebp + 2]
mov word [eax + 0x18], cx
mov word [edx + ebp], cx
movzx si, byte [eax + 0x19]
xor ecx, ecx
mov ch, byte [eax + 0x18]
or ecx, esi
mov esi, dword [eax + 0x1c]
mov word [eax + 0x18], cx
and ecx, 0xffff
mov ebx, ecx
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, ebx
and ecx, 3
rep movsb byte es:[edi], byte [esi]
movzx si, byte [eax + 0x21]
xor ecx, ecx
mov cx, word [eax + 0x18]
lea ebp, [ecx + ebp + 2]
xor ecx, ecx
mov ch, byte [eax + 0x20]
or ecx, esi
lea edi, [edx + ebp + 2]
mov word [eax + 0x20], cx
mov word [edx + ebp], cx
movzx si, byte [eax + 0x21]
xor ecx, ecx
mov ch, byte [eax + 0x20]
or ecx, esi
mov esi, dword [eax + 0x24]
mov word [eax + 0x20], cx
and ecx, 0xffff
mov edx, ecx
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, edx
xor edx, edx
and ecx, 3
rep movsb byte es:[edi], byte [esi]
mov dl, byte [eax + 6]
xor ecx, ecx
mov ch, byte [eax + 4]
pop edi
mov cl, byte [eax + 5]
pop esi
shl ecx, 8
or ecx, edx
xor edx, edx
mov dl, byte [eax + 7]
pop ebp
shl ecx, 8
or ecx, edx
xor edx, edx
mov dh, byte [eax]
mov dword [eax + 4], ecx
mov dl, byte [eax + 1]
xor ecx, ecx
mov ch, byte [eax + 8]
pop ebx
mov cl, byte [eax + 9]
mov word [eax + 8], cx
xor ecx, ecx
mov cl, byte [eax + 2]
shl edx, 8
or edx, ecx
xor ecx, ecx
mov cl, byte [eax + 3]
shl edx, 8
or edx, ecx
mov dword [eax], edx
ret