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。
gH5CB%) OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
N4A&"1d& <1>与远程系统建立IPC连接
tSI& "- <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
v'h3CaA9j <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
7Nd*,DV_ <4>调用函数CreateService在远程系统创建一个服务,服务指向的程序是在<2>中写入的程序killsrv.exe
T=^jCH & <5>调用函数StartService启动刚才创建的服务,把想杀掉的进程的ID作为参数传递给它
c]e`m6 <6>服务启动后,killsrv.exe运行,杀掉进程
vlAO z <7>清场
4}+xeGA$ 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
zjea4>!A2 /***********************************************************************
E!dz/. Module:Killsrv.c
/SbSID_a Date:2001/4/27
bd,Uz%o_ Author:ey4s
]bs+: Http://www.ey4s.org ht2
f-EKf{ ***********************************************************************/
Xg,0 /P~ #include
U?JiVxE^ #include
sKe, #include "function.c"
? 7/W> #define ServiceName "PSKILL"
\C!%IR G(:s-x ig6 SERVICE_STATUS_HANDLE ssh;
gW'P`Oxw SERVICE_STATUS ss;
uE"5 cq'B/ /////////////////////////////////////////////////////////////////////////
;R/k2^uF void ServiceStopped(void)
W+8BQ-2 {
'$n:CNha ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
wTB)v ! ss.dwCurrentState=SERVICE_STOPPED;
CEbzJ ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
y>>vGU; ss.dwWin32ExitCode=NO_ERROR;
qUifw @ ss.dwCheckPoint=0;
_{lx*dq ss.dwWaitHint=0;
;,<r|.6U SetServiceStatus(ssh,&ss);
".Lhte R? return;
ay=KfY5 }
g Cg4;b6g /////////////////////////////////////////////////////////////////////////
@YEw^J~ void ServicePaused(void)
rn5"o8| {
: :F! ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
8$2l^ ss.dwCurrentState=SERVICE_PAUSED;
kX@bv"i ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
f<g>dQlE ss.dwWin32ExitCode=NO_ERROR;
ov?.:M ss.dwCheckPoint=0;
I/^q+l.=`{ ss.dwWaitHint=0;
)w
Z49>Y SetServiceStatus(ssh,&ss);
a];BW)
return;
cSY2#u|v }
u(8 _[/_B void ServiceRunning(void)
nu;}S!J {
30A`\+^f ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
#S@UTJa
ss.dwCurrentState=SERVICE_RUNNING;
)`B
-O:: ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
-Pqi1pj] ss.dwWin32ExitCode=NO_ERROR;
{z.[tvE8h ss.dwCheckPoint=0;
f@wsSm ss.dwWaitHint=0;
=@Q#dDnFu% SetServiceStatus(ssh,&ss);
,Adus M return;
]jHgo](% }
,:v.L}+Z /////////////////////////////////////////////////////////////////////////
&?KPu?9 void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
4C l,Iw/; {
o}WB(WsG switch(Opcode)
H @_eFlT t {
4$0jz' case SERVICE_CONTROL_STOP://停止Service
A Oby*c ServiceStopped();
pi^^L@@d break;
3C>2x(]M case SERVICE_CONTROL_INTERROGATE:
08zi/g2
3 SetServiceStatus(ssh,&ss);
=nJOaXR0 break;
OT-n\sL$ }
)p^m}N 6M] return;
T
[T 6 }
a/`c ef //////////////////////////////////////////////////////////////////////////////
E9yFREvQc //杀进程成功设置服务状态为SERVICE_STOPPED
"2)+)Db //失败设置服务状态为SERVICE_PAUSED
Z-N-9E //
$w|o@ Ml) void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
:SpG&\+ {
0MwG}|RC ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
*4(/t$)pEl if(!ssh)
03X<x| {
"\VW.S ServicePaused();
GOv92$e return;
y+K7WUwhq }
AzHIp^ ServiceRunning();
LVPt*S= / Sleep(100);
ke3HK9P; //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
- XE79 fQ //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
/2g)Z!&+L if(KillPS(atoi(lpszArgv[5])))
%k/
k]:s ServiceStopped();
iYO
wB'z else
5en
[)3E ServicePaused();
L eG7x7n return;
r[.zLXgK }
N oX_? /////////////////////////////////////////////////////////////////////////////
m&Y;/kr void main(DWORD dwArgc,LPTSTR *lpszArgv)
8CHb~m@^$ {
.nj?;). SERVICE_TABLE_ENTRY ste[2];
Rz<d%C;R ste[0].lpServiceName=ServiceName;
A2g"=x[1@K ste[0].lpServiceProc=ServiceMain;
}XfS#Xr1aV ste[1].lpServiceName=NULL;
o9U0kI=W ste[1].lpServiceProc=NULL;
5]4<!m StartServiceCtrlDispatcher(ste);
s`8M%ZLu return;
OYqYI!N/ }
"C$!mdr7 /////////////////////////////////////////////////////////////////////////////
09}f\/ function.c中有两个函数,一个是提升权限的,一个是提供进程ID,杀进程的。代码如
Bq$e|t)' 下:
jjS{q,bo /***********************************************************************
f_i"/xC-/ Module:function.c
,Az`6PW Date:2001/4/28
Rxvd+8FF Author:ey4s
Ft%TnEp Http://www.ey4s.org T+AlcOP ***********************************************************************/
veYsctK~ #include
4b3 F9 ////////////////////////////////////////////////////////////////////////////
W2r6jm! BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
QrNL7{ {
]MqH13`)A TOKEN_PRIVILEGES tp;
w8m8r`h LUID luid;
@e.OU(Bf jV,(P$ 5; if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
V e$5w}a4 {
yNhscAMNn printf("\nLookupPrivilegeValue error:%d", GetLastError() );
2fj0 I return FALSE;
/%ODJ1 M }
,6EZb[;g^ tp.PrivilegeCount = 1;
^*cMry tp.Privileges[0].Luid = luid;
lRF_ k if (bEnablePrivilege)
48 c
D3w tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
H y.3ccZ0 else
y (c|5CQ tp.Privileges[0].Attributes = 0;
#lBpln9 // Enable the privilege or disable all privileges.
t_dw}I AdjustTokenPrivileges(
?l\gh1{C hToken,
%#Wg^l
' FALSE,
.T#y N\S1 &tp,
*! r\GGb sizeof(TOKEN_PRIVILEGES),
o@<6TlZM (PTOKEN_PRIVILEGES) NULL,
c:h.J4mv (PDWORD) NULL);
Ac5o K // Call GetLastError to determine whether the function succeeded.
O?j98H
Sya if (GetLastError() != ERROR_SUCCESS)
CfkNy[}= {
eB<V%,%N# printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
!OuTXa,IH return FALSE;
s%L"
c }
RAg|V:/M return TRUE;
VQNYQqu`[ }
~`G;=ITo ////////////////////////////////////////////////////////////////////////////
K\^&_#MG BOOL KillPS(DWORD id)
/c_kj2& ]9 {
XvA0nEi HANDLE hProcess=NULL,hProcessToken=NULL;
&{%S0\K Y BOOL IsKilled=FALSE,bRet=FALSE;
`L"p)5H __try
ga{25q}" {
:"<B@Z 6PzN>+t^y if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
7/^TwNsv {
~q8V<@? printf("\nOpen Current Process Token failed:%d",GetLastError());
Zv1Bju*y __leave;
(:fE _H2z }
7+D'W7Yx //printf("\nOpen Current Process Token ok!");
7?Qt2tr if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
D)O6|DiO {
0'V- __leave;
pE(<XD3Q }
L6rs9su=7 printf("\nSetPrivilege ok!");
(.quX@w"m ,rH)}C<Q+ if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
&-8-xw#. {
RXx?/\~yd; printf("\nOpen Process %d failed:%d",id,GetLastError());
qa0JQ_?o] __leave;
3I>S:|=K }
^7~SS2t! //printf("\nOpen Process %d ok!",id);
6wpND|cT if(!TerminateProcess(hProcess,1))
0'\FrG {
k@t,[ printf("\nTerminateProcess failed:%d",GetLastError());
G3_mWppH __leave;
g<hv7?"[ }
t'=~"?T/o IsKilled=TRUE;
'.h/Y/oz }
ir@N>_ __finally
-;@5Ua1uf {
"#\bQf} if(hProcessToken!=NULL) CloseHandle(hProcessToken);
A=qW]Im if(hProcess!=NULL) CloseHandle(hProcess);
/4"S}P>f }
xPfnyAo?%z return(IsKilled);
}<\65 B$1 }
d,oOn.n& //////////////////////////////////////////////////////////////////////////////////////////////
+4:+qGAJ{ 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:
*(\;}JF- /*********************************************************************************************
y1\^v_.^ ModulesKill.c
hBfzU\*0H Create:2001/4/28
B
GEJiLH Modify:2001/6/23
2LxVt@_R!% Author:ey4s
OuBMVn Http://www.ey4s.org :|m~<'g PsKill ==>Local and Remote process killer for windows 2k
vY0V{u?J **************************************************************************/
LG&Q>pt. #include "ps.h"
~\)&{' #define EXE "killsrv.exe"
d'AviW> #define ServiceName "PSKILL"
E9Xk8w'+ 5cNzG4z #pragma comment(lib,"mpr.lib")
qh(-shZ4Du //////////////////////////////////////////////////////////////////////////
{ ck //定义全局变量
%B {D SERVICE_STATUS ssStatus;
]!tYrSM! SC_HANDLE hSCManager=NULL,hSCService=NULL;
2;?wN`}5g= BOOL bKilled=FALSE;
3ciVjH>i char szTarget[52]=;
/qkIoF2 //////////////////////////////////////////////////////////////////////////
X,!OWz:[ BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
sen{f^U BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
~gi( 1<# BOOL WaitServiceStop();//等待服务停止函数
L$TKO,T BOOL RemoveService();//删除服务函数
p\]LEP\z, /////////////////////////////////////////////////////////////////////////
DO- K int main(DWORD dwArgc,LPTSTR *lpszArgv)
Ji}IV {
(y+5d00 BOOL bRet=FALSE,bFile=FALSE;
li_pM!dWU_ char tmp[52]=,RemoteFilePath[128]=,
[>J~M!yu:r szUser[52]=,szPass[52]=;
{ZsWZJ! HANDLE hFile=NULL;
8F\Msx DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
:7DVc&0 SVs~, //杀本地进程
xwH|ryfs,Z if(dwArgc==2)
B> "r -O {
E]eqvT NH if(KillPS(atoi(lpszArgv[1])))
%*Z2Gef?H printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
}PIGj} F/ else
9}qfdbI printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
c7nk~K[6 lpszArgv[1],GetLastError());
+} ! F(c return 0;
z7Rcnr; }
u.L8tR:( //用户输入错误
!
^*;c# else if(dwArgc!=5)
v$Y1+Ep9 {
!K^kKP*l printf("\nPSKILL ==>Local and Remote Process Killer"
!,JT91 "\nPower by ey4s"
tCCi|*P
G "\nhttp://www.ey4s.org 2001/6/23"
iB`WXU "\n\nUsage:%s <==Killed Local Process"
Ye=7Y57Nr "\n %s <==Killed Remote Process\n",
hzPB~obC lpszArgv[0],lpszArgv[0]);
jQ\
MB return 1;
zS"zb }
.McoW7|Y //杀远程机器进程
Lc: SqF strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
p:Ld)U * strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
=|5bhwU] strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
|3T|F3uEX
^Lv^W //将在目标机器上创建的exe文件的路径
%J (
}D7-, sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
b} U&bFl __try
l[\,*C {
m2<
* //与目标建立IPC连接
,Qi|g'a if(!ConnIPC(szTarget,szUser,szPass))
PN^1 {
eGypXf% printf("\nConnect to %s failed:%d",szTarget,GetLastError());
R
EH&kcn return 1;
<:;:*s3] }
twHM~cTS printf("\nConnect to %s success!",szTarget);
~S=fMv^BR //在目标机器上创建exe文件
[@)z $W 59NWyi4i hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
wZ3vF)2s E,
& Dl'*| NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
JX@6Sg< if(hFile==INVALID_HANDLE_VALUE)
ND9>`I5 {
FZ.z'3I printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
Ty4%du6?d __leave;
-"dy z( }
tG^ ?fc //写文件内容
]-Y]Q%A4 while(dwSize>dwIndex)
q>.t~ {
TYS\:ZdXF HYYx*CJ) if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
[#rdfN'?U
{
K8 4cE printf("\nWrite file %s
H6CGc0NS+ failed:%d",RemoteFilePath,GetLastError());
qH$rvD!] __leave;
?NzeP?g }
.L{+O6*c dwIndex+=dwWrite;
b%jG?HSu }
(kNTXhAr4 //关闭文件句柄
M^Ay,jK! CloseHandle(hFile);
=^AZx)Kwd bFile=TRUE;
+?txGHQq //安装服务
C\>Mt if(InstallService(dwArgc,lpszArgv))
@P5@&G {
VJtTbt;> //等待服务结束
f5qHBQ if(WaitServiceStop())
D&6Qk&> {
Eno2<< //printf("\nService was stoped!");
CU^3L|f2N }
@C [|'[xQ else
G@<lwnvD*J {
\C2P{q/m //printf("\nService can't be stoped.Try to delete it.");
{,C8}8a W }
j72]_G Sleep(500);
+P)[|y +e //删除服务
nV xMo_ RemoveService();
^8*SCM_A }
s!fY^3 }
'xXqEwi4 __finally
w|FVqX {
Y+`-~ 88 //删除留下的文件
0i(?LI_S if(bFile) DeleteFile(RemoteFilePath);
ggsi`Z{j? //如果文件句柄没有关闭,关闭之~
rxI&;F# if(hFile!=NULL) CloseHandle(hFile);
:w_1J'D} //Close Service handle
s=Q*| if(hSCService!=NULL) CloseServiceHandle(hSCService);
gw"l&