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。
;fqp!|J OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
jF6Q:`k <1>与远程系统建立IPC连接
T+XcEI6w <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
ypM,i <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
o
Rk 'I <4>调用函数CreateService在远程系统创建一个服务,服务指向的程序是在<2>中写入的程序killsrv.exe
5L6.7}B <5>调用函数StartService启动刚才创建的服务,把想杀掉的进程的ID作为参数传递给它
z]g#2xD2 <6>服务启动后,killsrv.exe运行,杀掉进程
!"phz&E5ah <7>清场
,Z|O y|+' 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
/w dvm4 /***********************************************************************
qX5]\nX&G Module:Killsrv.c
9hK8dJw Date:2001/4/27
`ci
P Author:ey4s
;Uch Http://www.ey4s.org TH4f"h+B3" ***********************************************************************/
r|Uz? #include
OtL~NTY #include
@I Y<i5( #include "function.c"
2O(k@M5E? #define ServiceName "PSKILL"
CNuE9|W(vI t`&mszd~T SERVICE_STATUS_HANDLE ssh;
ly!3~W SERVICE_STATUS ss;
`&a8Wv /////////////////////////////////////////////////////////////////////////
q:vN3#=^qf void ServiceStopped(void)
eiOAbO#U {
2:.$:wS ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
Wsd_RT }ww ss.dwCurrentState=SERVICE_STOPPED;
jMWTNZ ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
fm^tU0DY ss.dwWin32ExitCode=NO_ERROR;
svo%NQ ss.dwCheckPoint=0;
r_ 9"^Er ss.dwWaitHint=0;
d?U,}tv SetServiceStatus(ssh,&ss);
Z^F>sUMR return;
+7"UF)
~k }
vRmzjd~ /////////////////////////////////////////////////////////////////////////
'#K~hep void ServicePaused(void)
?~^p:T {
/ORK9g ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
`T2DGv ss.dwCurrentState=SERVICE_PAUSED;
?fU{?nI}>p ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
(s1iYK ss.dwWin32ExitCode=NO_ERROR;
oPAc6ObOV~ ss.dwCheckPoint=0;
y}QqS/ ss.dwWaitHint=0;
' z^v}~ SetServiceStatus(ssh,&ss);
B
4e}% return;
kYS\TMt,C }
R8% u9o void ServiceRunning(void)
A?ESjMy(R {
}D~m%%, ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
iee`Yg!EOH ss.dwCurrentState=SERVICE_RUNNING;
}q/[\3 ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
w@N)Pu ss.dwWin32ExitCode=NO_ERROR;
2JHF*zvO- ss.dwCheckPoint=0;
gcM(K.n ss.dwWaitHint=0;
FP6JfI8 SetServiceStatus(ssh,&ss);
Df$Yn return;
HBa6Y&)< }
d D^?%,a /////////////////////////////////////////////////////////////////////////
H~<wAer,Op void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
2Q/V D,yU {
G|$n,X1O( switch(Opcode)
:)Nk {
U%2{PbL
case SERVICE_CONTROL_STOP://停止Service
{2&MyxV ServiceStopped();
sMw"C~XL break;
SMm$4h R case SERVICE_CONTROL_INTERROGATE:
~;uW)
[ SetServiceStatus(ssh,&ss);
7
(i\? break;
41XXL$ }
cmLI!"RLe return;
5sMyH[5zY }
'^t(=02J //////////////////////////////////////////////////////////////////////////////
B{_-k //杀进程成功设置服务状态为SERVICE_STOPPED
Q mz3GH@wg //失败设置服务状态为SERVICE_PAUSED
6FI`0j=~ //
w>#.id[k void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
y=WCR*N {
x8h=3e$ ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
BG@[m if(!ssh)
$-]PD`wmY {
771r(X?Fa ServicePaused();
^d/,9L\U return;
oo,3mat2C }
oMZ|)(7C ServiceRunning();
^F$iD (f Sleep(100);
[IuF0$w=dj //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
{&Sr<d5 //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
u!VY6y7p if(KillPS(atoi(lpszArgv[5])))
Os|F ServiceStopped();
xXc3#n else
A&;Pt/#' ServicePaused();
k'Z$# return;
c:G0=5 }
]a=Bc~g91 /////////////////////////////////////////////////////////////////////////////
lF1ieg"i M void main(DWORD dwArgc,LPTSTR *lpszArgv)
k;y5nXIlN {
sr,8Qd0M SERVICE_TABLE_ENTRY ste[2];
'x\{sv ste[0].lpServiceName=ServiceName;
~Aq$GH4 ste[0].lpServiceProc=ServiceMain;
C")NNs= ste[1].lpServiceName=NULL;
8Ow0A ste[1].lpServiceProc=NULL;
f<~S0[H StartServiceCtrlDispatcher(ste);
_LSf
) return;
c1Ta!p{% }
xu0pY(n^r /////////////////////////////////////////////////////////////////////////////
T$;N8x[ 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
IGtqY8 下:
|G]M"3^ /***********************************************************************
.EQ1r7
9, Module:function.c
['n;e:* Date:2001/4/28
Tn8GLn Author:ey4s
,t_Fo-i7vI Http://www.ey4s.org %7bZnK`C ***********************************************************************/
JmK[7t #include
!>5!Fb=Sy ////////////////////////////////////////////////////////////////////////////
^iq$zHbc0u BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
:.M"M$MRp8 {
{$mj9?n=v TOKEN_PRIVILEGES tp;
S7
Tem:/ LUID luid;
?]L:j 55T c if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
_~E&?zR2>" {
:X6A9jmd printf("\nLookupPrivilegeValue error:%d", GetLastError() );
6-@n$5W0 return FALSE;
SQB[d3f }
5#U*vGVT tp.PrivilegeCount = 1;
o!+jPwEU tp.Privileges[0].Luid = luid;
Q@lJ| if (bEnablePrivilege)
J<{@D9r9<~ tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
-Fj:^q:@u else
M(2c{TT tp.Privileges[0].Attributes = 0;
G_]
(7 // Enable the privilege or disable all privileges.
A[6$'IJ AdjustTokenPrivileges(
e/<Og\}P/ hToken,
:A{ US9D FALSE,
-IB~lw &tp,
&v^LxLt+s sizeof(TOKEN_PRIVILEGES),
vK?{Z^J][ (PTOKEN_PRIVILEGES) NULL,
zF[>K4 (PDWORD) NULL);
m_z1|zM}o // Call GetLastError to determine whether the function succeeded.
u&>o1!c*P if (GetLastError() != ERROR_SUCCESS)
FFNv'\) {
e_BOzN~c printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
y8KJoVPiM return FALSE;
l%^'K%'b }
&r;4$7 return TRUE;
m"!!) }
WJ+<&6W8 ////////////////////////////////////////////////////////////////////////////
"yI)F~A BOOL KillPS(DWORD id)
zA![c l>$ {
`q
4% HANDLE hProcess=NULL,hProcessToken=NULL;
ba 3_55] BOOL IsKilled=FALSE,bRet=FALSE;
b7/1] __try
U&6!2s- {
j!;?=s +x!V;H( if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
5s>$ {
m#'2
3 printf("\nOpen Current Process Token failed:%d",GetLastError());
X}yEMe{T __leave;
}Jgz#d }
RkN a;j)t //printf("\nOpen Current Process Token ok!");
@Zs}8YhC if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
.!
LOhZ
{
DiAPs_@ __leave;
j0k"iv }
'$M=H. printf("\nSetPrivilege ok!");
Rp)82-
. %/H if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
M[0@3"}} {
Frt_X % printf("\nOpen Process %d failed:%d",id,GetLastError());
,c6ID|\ __leave;
;b$(T5 }
!9i,V{$c`" //printf("\nOpen Process %d ok!",id);
X+{4,?04+ if(!TerminateProcess(hProcess,1))
x~}RL-Y2o {
N`/6
By printf("\nTerminateProcess failed:%d",GetLastError());
nVoPTr __leave;
~?dPF;.6_ }
m5sgcxt/ IsKilled=TRUE;
DL2gui3 }
4.7ePbk[E __finally
~l-Q0wg {
I`2hxLwh+ if(hProcessToken!=NULL) CloseHandle(hProcessToken);
i7})VDsZ if(hProcess!=NULL) CloseHandle(hProcess);
O~B
iqm }
z48,{H6h return(IsKilled);
;t@zH+*} }
0vUX^< //////////////////////////////////////////////////////////////////////////////////////////////
-ny[Lh^b OK!服务端的程序已经好了。接下来还需要一个客户端。如果通过在客户端运行的时候,把killsrv.exe COPY到远程系统上,那么就需要提供两个exe文件给用户,这样显得不是很专业,呵呵。不如我们就把killsrv.exe的二进制码作为buff保存在客户端吧,这样在运行的时候,我们直接把buff中的内容写过去,这样提供给用户一个exe文件就可以了。Pskill.c的源代码如下:
7,_N9Q]rB /*********************************************************************************************
VZJs@qx:Z ModulesKill.c
?G1-X~Z8 Create:2001/4/28
@q2Yka Modify:2001/6/23
#P-S.b Author:ey4s
&M~*w~w` Http://www.ey4s.org :M1S*"&: PsKill ==>Local and Remote process killer for windows 2k
&D
uvy#J **************************************************************************/
R1X9 #include "ps.h"
by&#g #define EXE "killsrv.exe"
vKDRjrF- #define ServiceName "PSKILL"
)=;0 [a5L WW #pragma comment(lib,"mpr.lib")
]~ )FMWQz- //////////////////////////////////////////////////////////////////////////
JMw1qPJQ //定义全局变量
nvxftbfE^D SERVICE_STATUS ssStatus;
d$kGYMT" SC_HANDLE hSCManager=NULL,hSCService=NULL;
+%8c8]2 BOOL bKilled=FALSE;
f5Zx:g char szTarget[52]=;
?I`']|I //////////////////////////////////////////////////////////////////////////
2Q)"~3 BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
g%#"
5Kr BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
7Cx%G/( BOOL WaitServiceStop();//等待服务停止函数
MVH^["AeR BOOL RemoveService();//删除服务函数
m
,)4k&d /////////////////////////////////////////////////////////////////////////
"o`N6@[w^ int main(DWORD dwArgc,LPTSTR *lpszArgv)
;4Y@xS2M {
uOEy}&fH BOOL bRet=FALSE,bFile=FALSE;
S-npJh
6 char tmp[52]=,RemoteFilePath[128]=,
1Qtojph szUser[52]=,szPass[52]=;
fEWS3`Yy HANDLE hFile=NULL;
r@H<@Vuc DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
EMmNlj6 MSoLx' < //杀本地进程
$&='&q if(dwArgc==2)
;-lk#D?n9 {
v}IkY if(KillPS(atoi(lpszArgv[1])))
( N~[sf?& printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
#]oVVf_ else
A}FEM[2 printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
p V(b>O lpszArgv[1],GetLastError());
)$I;)`q return 0;
kV(}45i]s }
bPAp0}{Fu //用户输入错误
uR|Jn)/m( else if(dwArgc!=5)
zJOjc/\
{
=GTltFqI1 printf("\nPSKILL ==>Local and Remote Process Killer"
*
'WzIk2 "\nPower by ey4s"
bBc<yaN "\nhttp://www.ey4s.org 2001/6/23"
_y#t[|}w "\n\nUsage:%s <==Killed Local Process"
@>_`g= "\n %s <==Killed Remote Process\n",
;WC]Lf<Z^ lpszArgv[0],lpszArgv[0]);
3 ~0Z.!O return 1;
I&U?8 }
Gmi4ffIb3 //杀远程机器进程
)dbi strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
S
"R]i strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
}xn\.M:ic strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
P&V,x`<Z Pdmfn8I]% //将在目标机器上创建的exe文件的路径
8 qt,sU sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
(GJ)FWen0" __try
IExo#\0'6 {
^rMkCA@;TZ //与目标建立IPC连接
^I@1y}xi if(!ConnIPC(szTarget,szUser,szPass))
YgNt>4K {
r9sW:cM:e printf("\nConnect to %s failed:%d",szTarget,GetLastError());
Yj|Oy return 1;
B?'`\q)UL }
&*B=5W;6^u printf("\nConnect to %s success!",szTarget);
4pq@o //在目标机器上创建exe文件
acz8
H0cS ,di'279| hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
.8S6;xnkC E,
w7cciD| NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
"jH=O(37 if(hFile==INVALID_HANDLE_VALUE)
bYGK}:T8U {
o_p#sdt" printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
Q3vC^}Dmr __leave;
U8KB@E }
ce{(5IC //写文件内容
ml <X92Y while(dwSize>dwIndex)
w$WN` = {
"5"6mw? \ce (/I if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
ZdJwy% {
aN?{MA\ printf("\nWrite file %s
U~n>k<`sr failed:%d",RemoteFilePath,GetLastError());
y.AVH`_u __leave;
^AkVmsv;; }
\Y&* sfQ dwIndex+=dwWrite;
&^3KF0\Q }
&4Q(>"iL4 //关闭文件句柄
wYQTG*&h CloseHandle(hFile);
S
C7Tp4 bFile=TRUE;
bwR_ uF //安装服务
d0$dQg if(InstallService(dwArgc,lpszArgv))
,_@C(O {
wDswK "T //等待服务结束
LW<