杀掉本地进程其实很简单,取得进程ID后,调用OpenProcess函数打开进程句柄,然后调用TerminateProcess函数就可以杀掉进程了。有些情况下并不能直接打开进程句柄,例如WINLOGON等系统进程,因为权限不够。这个时候我们就得先提升自己的进程的权限了。提升权限过程也不复杂,先调用GetCurrentProcess函数取得当前进程的句柄,然后调用OpenProcessToken打开当前进程的访问令牌,接着调用LookupPrivilegeValue函数取得你想提升的权限的值,最后调用AdjustTokenPrivileges函数给当前进程的访问令牌增加权限就可以了。一般有了SeDebugPrivilege特权后,就可以杀掉除Idle外的所有进程了。
?0VETa ~m OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
Az4a|. <1>与远程系统建立IPC连接
NkL>ru!b9 <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
J~(M%]
&k^ <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
-wUw)gJbM <4>调用函数CreateService在远程系统创建一个服务,服务指向的程序是在<2>中写入的程序killsrv.exe
o.M.zkP a <5>调用函数StartService启动刚才创建的服务,把想杀掉的进程的ID作为参数传递给它
]] Jg%}o <6>服务启动后,killsrv.exe运行,杀掉进程
_{ f7e^; <7>清场
GK\`8xWE 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
J6W"t /***********************************************************************
HVkq{W|w Module:Killsrv.c
%MUh_63bB Date:2001/4/27
@-H D9h Author:ey4s
_tO:,%dL Http://www.ey4s.org (Aw!K`0Y1 ***********************************************************************/
Kta7xtu #include
4M{]YZMw8 #include
fkWTO"f- #include "function.c"
@l^BW*BCo #define ServiceName "PSKILL"
z4iZE*ZS ~
$QNp#dq SERVICE_STATUS_HANDLE ssh;
FNB4YZ6 SERVICE_STATUS ss;
aK4ZH}XHE" /////////////////////////////////////////////////////////////////////////
``9`Xq void ServiceStopped(void)
iQj2aK Gs {
[|E|(@J ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
=!Ce#p?h, ss.dwCurrentState=SERVICE_STOPPED;
ITf,
)?|]Y ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
\V/;i.ng ss.dwWin32ExitCode=NO_ERROR;
UKfpoDhEe ss.dwCheckPoint=0;
fjwUh>[ } ss.dwWaitHint=0;
'awZ-$# SetServiceStatus(ssh,&ss);
DC6xet{ return;
dp'xd>m }
f )K(la^' /////////////////////////////////////////////////////////////////////////
[S#QGB19 void ServicePaused(void)
9m:G8j' {
"E/UNE6P4 ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
)mvD2]fK ss.dwCurrentState=SERVICE_PAUSED;
Tyk\l>S ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
]<B@g($
ss.dwWin32ExitCode=NO_ERROR;
* M,'F^E2 ss.dwCheckPoint=0;
2,.;Mdl ss.dwWaitHint=0;
p:@JC sH= SetServiceStatus(ssh,&ss);
6Lhfb\2? return;
cc_v 4d{x }
p?qW;1 void ServiceRunning(void)
3Sclr/t {
m#kJ((~ ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
[23F0-p ss.dwCurrentState=SERVICE_RUNNING;
p@Ng.HE ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
f1}am< ss.dwWin32ExitCode=NO_ERROR;
l
S m7i ss.dwCheckPoint=0;
((T0zQ7= ss.dwWaitHint=0;
$yY\[C SetServiceStatus(ssh,&ss);
i$bHet return;
+rcDA| }
U~1jmxE /////////////////////////////////////////////////////////////////////////
5^ +QTQ void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
(iO8[ {
s_`=ugue switch(Opcode)
k5ZkD+0Jo {
sn6:\X<[ case SERVICE_CONTROL_STOP://停止Service
A(dWAe, ServiceStopped();
lX*IEAc break;
,OilGTQ# case SERVICE_CONTROL_INTERROGATE:
uBXl ltU SetServiceStatus(ssh,&ss);
*4oj '} break;
tH\ aHU[ }
&Y/Myh[P return;
Fo86WP} }
vx&r //////////////////////////////////////////////////////////////////////////////
~:M"JNcs //杀进程成功设置服务状态为SERVICE_STOPPED
|wYOO(! //失败设置服务状态为SERVICE_PAUSED
h%yw'?s //
T~"T%r void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
c2iPm9"eh {
C\WU<! ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
,j|9Bs if(!ssh)
JVx
,1lth {
+o7Np|Ou ServicePaused();
d5z?QI return;
X'W8 mqk }
ck"lX[d1 ServiceRunning();
WUnmUW[/ Sleep(100);
0>KW94 //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
asQXl#4r //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
WP b4L9< if(KillPS(atoi(lpszArgv[5])))
K9 tuiD+j ServiceStopped();
%/r}_V(UN else
(ev(~Wc ServicePaused();
/18VQ return;
>lg-j-pV }
O?I~XM'S /////////////////////////////////////////////////////////////////////////////
}&I^1BHZs void main(DWORD dwArgc,LPTSTR *lpszArgv)
yu>DVD {
@=kDaPme92 SERVICE_TABLE_ENTRY ste[2];
{Hp*BE
ste[0].lpServiceName=ServiceName;
h;(#^+LH ste[0].lpServiceProc=ServiceMain;
&!E+l<.RF ste[1].lpServiceName=NULL;
E)h&<{% ste[1].lpServiceProc=NULL;
?'L3B4 StartServiceCtrlDispatcher(ste);
zld[uhc> return;
tnCGa%M }
k25:H[ /////////////////////////////////////////////////////////////////////////////
;Fi(zl function.c中有两个函数,一个是提升权限的,一个是提供进程ID,杀进程的。代码如
!gm;g}]szG 下:
2kS]:4)T /***********************************************************************
5u=(zg Module:function.c
:UrS@W^B Date:2001/4/28
lNw8eT~2 Author:ey4s
D:yj#&I Http://www.ey4s.org (E.,kcAJ ***********************************************************************/
OE4hGxG #include
Q#}
0pq ////////////////////////////////////////////////////////////////////////////
1dg y-$H~ BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
6zfi\(fop {
wx,yx3c ( TOKEN_PRIVILEGES tp;
`l0&,] LUID luid;
t|ih{0 #ARQB2V if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
|*w}bT(PfR {
j~ )GZV printf("\nLookupPrivilegeValue error:%d", GetLastError() );
.*bu:FuDE return FALSE;
MI,b`pQ }
O
DLRzk( tp.PrivilegeCount = 1;
bZB7t`C5 tp.Privileges[0].Luid = luid;
fA k]]PU if (bEnablePrivilege)
#_b
U/rk)* tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
q4~w
D else
j
m]d:=4_ tp.Privileges[0].Attributes = 0;
)zR(e>VX // Enable the privilege or disable all privileges.
\UF/_'=K AdjustTokenPrivileges(
}eO{+{D+ hToken,
^=lh|C\# FALSE,
rv\yS:2 &tp,
%FDv6peH sizeof(TOKEN_PRIVILEGES),
N`JkEd7TT (PTOKEN_PRIVILEGES) NULL,
Hlr[x (PDWORD) NULL);
Id/-u[-yo // Call GetLastError to determine whether the function succeeded.
tlnU2TT_f if (GetLastError() != ERROR_SUCCESS)
?C[W~m P {
*88Q6=Mm printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
aB N^J_ return FALSE;
~rN:4Q]/ }
8?>
# return TRUE;
vl"l }
\.`;p ////////////////////////////////////////////////////////////////////////////
Pr%Y!| BOOL KillPS(DWORD id)
K9*vWoP' {
^4\hZ HANDLE hProcess=NULL,hProcessToken=NULL;
8-2e4^
g( BOOL IsKilled=FALSE,bRet=FALSE;
yyj?hR@rZ __try
41S.&-u {
{7%W/C#A _Prh&Q1zs if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
srh>"
2." {
-
DO printf("\nOpen Current Process Token failed:%d",GetLastError());
^Pq4 n%x __leave;
f[AN=M"B"s }
-Dx_:k|k //printf("\nOpen Current Process Token ok!");
\x,q(npHi if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
{c;][>l {
r?w^#V __leave;
i1OF@~? }
E=-ed9({: printf("\nSetPrivilege ok!");
KXQ &u{[< 7j
]d{lD if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
%]2hxTV {
t8}R?%u printf("\nOpen Process %d failed:%d",id,GetLastError());
907N;r __leave;
VDyQv^=# }
vSOO[.= //printf("\nOpen Process %d ok!",id);
NM`5hd{ if(!TerminateProcess(hProcess,1))
wc%Wy|d {
JjXuy7XQ printf("\nTerminateProcess failed:%d",GetLastError());
3u)NkS= __leave;
e#+u8 LrN }
'\MYC8" IsKilled=TRUE;
N5yt'.d }
_ \d[`7# __finally
W7_j;7' {
*CIR$sS if(hProcessToken!=NULL) CloseHandle(hProcessToken);
|B<;4ISaRI if(hProcess!=NULL) CloseHandle(hProcess);
BkP'b{z| }
S[2uez` return(IsKilled);
?>p(* }
&$1ifG //////////////////////////////////////////////////////////////////////////////////////////////
&^v5 x" OK!服务端的程序已经好了。接下来还需要一个客户端。如果通过在客户端运行的时候,把killsrv.exe COPY到远程系统上,那么就需要提供两个exe文件给用户,这样显得不是很专业,呵呵。不如我们就把killsrv.exe的二进制码作为buff保存在客户端吧,这样在运行的时候,我们直接把buff中的内容写过去,这样提供给用户一个exe文件就可以了。Pskill.c的源代码如下:
!R;NV|.eI6 /*********************************************************************************************
O7M8!3Eqm ModulesKill.c
``zgw\f[% Create:2001/4/28
`Mh3v@K: Modify:2001/6/23
&!xePKvO6k Author:ey4s
$:7T Http://www.ey4s.org i1(}E# PsKill ==>Local and Remote process killer for windows 2k
,v#F6xv8 **************************************************************************/
X\-IAv #include "ps.h"
[{i"Au] #define EXE "killsrv.exe"
1&,d,< #define ServiceName "PSKILL"
}f~:>N# MsaD@JY.y #pragma comment(lib,"mpr.lib")
R;G"LT //////////////////////////////////////////////////////////////////////////
7z_EX8^ //定义全局变量
JJHfg) SERVICE_STATUS ssStatus;
_uYidtxo= SC_HANDLE hSCManager=NULL,hSCService=NULL;
\4/zvlo]h BOOL bKilled=FALSE;
z!M8lpIM char szTarget[52]=;
4
Wb^$i! //////////////////////////////////////////////////////////////////////////
hLv~N} BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
lBpy0lo# BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
'^npZa'%sW BOOL WaitServiceStop();//等待服务停止函数
r+0<A.''a BOOL RemoveService();//删除服务函数
Z}8khNCYr /////////////////////////////////////////////////////////////////////////
($h`Y;4 int main(DWORD dwArgc,LPTSTR *lpszArgv)
2@A%;f0Q {
t-gLh(-. BOOL bRet=FALSE,bFile=FALSE;
yGxAur=dE char tmp[52]=,RemoteFilePath[128]=,
o4^|n1vN szUser[52]=,szPass[52]=;
kK,Ne%}a2K HANDLE hFile=NULL;
V!{}%;f DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
fj7\MTy vhEqHjR: //杀本地进程
SU,#:s( if(dwArgc==2)
^n @dC? {
5~pQ$- if(KillPS(atoi(lpszArgv[1])))
1 +0-VRl printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
+E7Os|m else
nT;Rwz$3 printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
+.EP_2f9 lpszArgv[1],GetLastError());
Az`c ?
W% return 0;
K1gZ>FEY|N }
M2$.Yom[ //用户输入错误
P[G.LO else if(dwArgc!=5)
Asy&X {
$ouw*|< printf("\nPSKILL ==>Local and Remote Process Killer"
|=o)|z2 "\nPower by ey4s"
1 iiQW "\nhttp://www.ey4s.org 2001/6/23"
\[>Ob "\n\nUsage:%s <==Killed Local Process"
Un~8N "\n %s <==Killed Remote Process\n",
Qf>$'C(7!a lpszArgv[0],lpszArgv[0]);
(2SmB`g return 1;
_x2i=SFo*$ }
,Vc>'4E- //杀远程机器进程
I<``d Ne9Q strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
9tMaOm strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
*\n-yx] strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
h:4Uv}Z Bp7`W:?#" //将在目标机器上创建的exe文件的路径
xa=Lu?t%< sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
+=V[7^K; __try
J[k,S(Y {
S{0iPdUC //与目标建立IPC连接
PX} ~ if(!ConnIPC(szTarget,szUser,szPass))
jQ"z\}Wf {
_ddOsg|U printf("\nConnect to %s failed:%d",szTarget,GetLastError());
4X1!t return 1;
vOIzfwYG9 }
qdOUvf printf("\nConnect to %s success!",szTarget);
_<8~CWo: //在目标机器上创建exe文件
qDVt #B^A"?*S hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
"KiTjl`M, E,
)Z=S'm
k4_ NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
XHh!Q0v; if(hFile==INVALID_HANDLE_VALUE)
q;)+O#CR {
<Wwcd8d printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
N,4. %|1 __leave;
dPm_jX }
\Zgc
[F //写文件内容
%$*WdK# while(dwSize>dwIndex)
v|7=IJ {
:;g7T -_q 4pJ #fkc^ if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
Bn<1zg5 {
"8-;Dq'+ printf("\nWrite file %s
_1hiNh$ failed:%d",RemoteFilePath,GetLastError());
Bw{enf$vR __leave;
j1141md5 }
:f/T$fa* dwIndex+=dwWrite;
JG:li} N }
0^-1/Ec //关闭文件句柄
<y4WG CloseHandle(hFile);
o?O> pK bFile=TRUE;
gic!yhsS_ //安装服务
]_EJ "'x if(InstallService(dwArgc,lpszArgv))
\,ko'48@ {
JS^QfT,zE //等待服务结束
ceUhCb if(WaitServiceStop())
v\3
\n3[u {
,8`CsY^1 //printf("\nService was stoped!");
&*nq.l76X` }
1zP)~p3a else
Gpb<,v_3 {
Gm.sl}, //printf("\nService can't be stoped.Try to delete it.");
hRFm]q }
b;5&V_ Sleep(500);
h6(\ tRd!\ //删除服务
QB"Tlw( RemoveService();
0|=,!sY }
`mE>h4 }
7/969h^s __finally
+I>V9%%vW_ {
itn<