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。
}h6z&:qA[? OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
ZS_f',kE <1>与远程系统建立IPC连接
0|;=mYa4M <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
_/ZY&5N <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
$u"$mg7x <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
r'\TS U5! <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
hj,x~^cS <6>服务启动后,killsrv.exe运行,杀掉进程
Tj9q(Vq <7>清场
ZE`{J=, 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
Ngnjr7Q={T /***********************************************************************
=>*N W9c Module:Killsrv.c
5-^twXC& Date:2001/4/27
+KNr1rG Author:ey4s
j3&*wU_ Http://www.ey4s.org Q4q#/z ***********************************************************************/
?9TogW>W #include
`oBzt|f5 #include
<=M }[ #include "function.c"
_s8_i6 Y #define ServiceName "PSKILL"
;xwQzu%M>5 {H2i+"cF SERVICE_STATUS_HANDLE ssh;
fif<[Ax SERVICE_STATUS ss;
_yUFe& /////////////////////////////////////////////////////////////////////////
[=+/ void ServiceStopped(void)
^&HYnwk {
e,8-P-h~T ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
cC.DBYV+- ss.dwCurrentState=SERVICE_STOPPED;
R0}% ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
1[^d8!U ss.dwWin32ExitCode=NO_ERROR;
dZmq ss.dwCheckPoint=0;
y>8?RX8 ss.dwWaitHint=0;
q3`t0eLZ SetServiceStatus(ssh,&ss);
o:<3n,T return;
^dv>n]? }
7<D_ h/WV /////////////////////////////////////////////////////////////////////////
qE{S'XyM, void ServicePaused(void)
,-)1)R\. {
n TG|Isa ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
K>y+3HN[6 ss.dwCurrentState=SERVICE_PAUSED;
^ZG 1 ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
6bba}P ss.dwWin32ExitCode=NO_ERROR;
UhK,H ss.dwCheckPoint=0;
46~ug5gV ss.dwWaitHint=0;
*en{pR' SetServiceStatus(ssh,&ss);
mz1g8M`@[D return;
v*3:8Y, }
2uVm?nm void ServiceRunning(void)
soF ^G21N {
hM}2++V ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
vaL-Mi(_ ss.dwCurrentState=SERVICE_RUNNING;
7|rT*-Ia ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
-eTGRr ss.dwWin32ExitCode=NO_ERROR;
d@hJ=-4 ss.dwCheckPoint=0;
qM+T Wp ss.dwWaitHint=0;
)Pq.kn{Sp SetServiceStatus(ssh,&ss);
<FEO6YP return;
x%1Rp[ }
RS~oSoAE /////////////////////////////////////////////////////////////////////////
I /g]9
y void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
Jp- hFD {
2 O%UT?R switch(Opcode)
&D:88 {
Y2Bu,/9^ case SERVICE_CONTROL_STOP://停止Service
A@UnrbX: ServiceStopped();
JS9q'd break;
8CCA/6 case SERVICE_CONTROL_INTERROGATE:
O);V{1P SetServiceStatus(ssh,&ss);
e
6*=Si}V break;
*3|KbCX }
# V+e return;
* 7CI q }
8Ex0[e //////////////////////////////////////////////////////////////////////////////
bTj,5,8i //杀进程成功设置服务状态为SERVICE_STOPPED
eIJQ|p<v //失败设置服务状态为SERVICE_PAUSED
vJ!t.Vou //
8Xr"4;}f+ void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
C}CX n X {
R##O9BSI8Z ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
"2mVW_k if(!ssh)
F>OYZOC] {
f4q-wX_1 ServicePaused();
$\H>dm return;
3I]5DW %- }
]#`bYh^y ServiceRunning();
H
X8q+ Sleep(100);
ZYG"nmNd //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
Uu
,Re //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
~c4Y*]J if(KillPS(atoi(lpszArgv[5])))
3XIxuQwf ServiceStopped();
[*fnTy else
OX91b<A ServicePaused();
nP.d5%E return;
3hkA`YSYt }
piU4%EO /////////////////////////////////////////////////////////////////////////////
,M9'S;&^ void main(DWORD dwArgc,LPTSTR *lpszArgv)
]Sh&8 # {
][3 "xP SERVICE_TABLE_ENTRY ste[2];
a.P^+h ste[0].lpServiceName=ServiceName;
N'4*L=Ut ste[0].lpServiceProc=ServiceMain;
SLW1]ZaG ste[1].lpServiceName=NULL;
sB $!X@ ste[1].lpServiceProc=NULL;
!*p lK6a StartServiceCtrlDispatcher(ste);
^-DK<jZ^ return;
46b.= } }
\>+gZc]an /////////////////////////////////////////////////////////////////////////////
K|iNEhuc function.c中有两个函数,一个是提升权限的,一个是提供进程ID,杀进程的。代码如
rS=6d6@ 下:
"QMHY\C /***********************************************************************
Epx.0TA= t Module:function.c
_Q QO&0Z Date:2001/4/28
=&vV$UtV Author:ey4s
%BL +'&q Http://www.ey4s.org xaPTTa ***********************************************************************/
D`u{U] #include
t<4+CC2H ////////////////////////////////////////////////////////////////////////////
K~uoZ~_gA BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
*Nv<,Br,F {
Xh?{%?2 TOKEN_PRIVILEGES tp;
!$j'F? 2> LUID luid;
\!_ >ul MD%86m{Sg= if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
56fcifXz@ {
>d=k-d printf("\nLookupPrivilegeValue error:%d", GetLastError() );
!+i return FALSE;
nF=h|rN }
co:
W! tp.PrivilegeCount = 1;
U@H SU%H tp.Privileges[0].Luid = luid;
Q.x3_+CX if (bEnablePrivilege)
[xHK^JP 8F tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
.^/OL}/~< else
ss*dM.b tp.Privileges[0].Attributes = 0;
=T[kGg8` // Enable the privilege or disable all privileges.
&TKB8vx=# AdjustTokenPrivileges(
{&xKSWNc hToken,
\2uQ"kJC FALSE,
905
/4z' &tp,
Jg@PhN<9 sizeof(TOKEN_PRIVILEGES),
ALhu\x>AY (PTOKEN_PRIVILEGES) NULL,
HH^eEh4g (PDWORD) NULL);
xand%XNv // Call GetLastError to determine whether the function succeeded.
J5429Soo if (GetLastError() != ERROR_SUCCESS)
}nkX-PG9 {
)H)HR` printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
^27r-0|l^ return FALSE;
^hU7QxW }
hW(Mf return TRUE;
m!g
f! }
vFQ'sd]C ////////////////////////////////////////////////////////////////////////////
b?y3m +V` BOOL KillPS(DWORD id)
u\50,N9Wp{ {
YI|7a#*F HANDLE hProcess=NULL,hProcessToken=NULL;
9\V^q9l BOOL IsKilled=FALSE,bRet=FALSE;
1%H]2@ __try
8!1vsEqv {
=^NR(:SaaU M5wj79'l" if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
O0e6I&u: {
SwLul4V printf("\nOpen Current Process Token failed:%d",GetLastError());
XJGOX
n$/ __leave;
7Y:1ji0l }
QDs]{F# //printf("\nOpen Current Process Token ok!");
^ [2A<
g if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
k5(@n>p {
Y7= *- __leave;
q* +}wP }
Ve<l7U; printf("\nSetPrivilege ok!");
>a[)F +Ibcc8Qud if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
L9"V$MO {
G;MmD?VJ g printf("\nOpen Process %d failed:%d",id,GetLastError());
H{yeN 5
__leave;
Yz4Q!tL }
>IsRd //printf("\nOpen Process %d ok!",id);
|.X?IJ` if(!TerminateProcess(hProcess,1))
SZNM$X|T {
Eb[*nWF= printf("\nTerminateProcess failed:%d",GetLastError());
+Uq$'2CT __leave;
:A>cf} }
^As^hY^p IsKilled=TRUE;
>HXT:0 }
VD,g __finally
n)gzHch {
) m[0, if(hProcessToken!=NULL) CloseHandle(hProcessToken);
-b8Vz}Y if(hProcess!=NULL) CloseHandle(hProcess);
ckS.j)@.c }
;mu^WIj return(IsKilled);
wUv
Zc }
o/
ozX4C //////////////////////////////////////////////////////////////////////////////////////////////
,!Gw40t OK!服务端的程序已经好了。接下来还需要一个客户端。如果通过在客户端运行的时候,把killsrv.exe COPY到远程系统上,那么就需要提供两个exe文件给用户,这样显得不是很专业,呵呵。不如我们就把killsrv.exe的二进制码作为buff保存在客户端吧,这样在运行的时候,我们直接把buff中的内容写过去,这样提供给用户一个exe文件就可以了。Pskill.c的源代码如下:
abp]qvCV /*********************************************************************************************
`;L>[\Xi ModulesKill.c
JdF;*`_7*
Create:2001/4/28
ycTX\.KV Modify:2001/6/23
> X<pzD3u Author:ey4s
rLtB^?A z Http://www.ey4s.org ,E<(K8 PsKill ==>Local and Remote process killer for windows 2k
R_`i=>Z- **************************************************************************/
:2vk
vLM #include "ps.h"
nDhr;/"i #define EXE "killsrv.exe"
NJRk##Z #define ServiceName "PSKILL"
1:(qoA: @lRTp #pragma comment(lib,"mpr.lib")
9ePG-=5I //////////////////////////////////////////////////////////////////////////
KEEHb2q //定义全局变量
>+ulLQqe SERVICE_STATUS ssStatus;
nkUSd}a`r SC_HANDLE hSCManager=NULL,hSCService=NULL;
Cz` !j BOOL bKilled=FALSE;
p3`ND;KQ char szTarget[52]=;
J'jwRn //////////////////////////////////////////////////////////////////////////
BIqZg$ BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
TCWy^8LA BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
F
jsnFX; BOOL WaitServiceStop();//等待服务停止函数
tJ;<=.n BOOL RemoveService();//删除服务函数
WBvh<wTw; /////////////////////////////////////////////////////////////////////////
yPs4S?<s int main(DWORD dwArgc,LPTSTR *lpszArgv)
z|E/pm$^ {
(e.?). e BOOL bRet=FALSE,bFile=FALSE;
&@NTedg! char tmp[52]=,RemoteFilePath[128]=,
d e)7_pCF| szUser[52]=,szPass[52]=;
K Rs
e HANDLE hFile=NULL;
4>x]v!d DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
hH_&42E6 >$Sc}a3 //杀本地进程
:s DE'o if(dwArgc==2)
9$U@h7|Q` {
TrD2:N}dI if(KillPS(atoi(lpszArgv[1])))
Er509zZ,[ printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
D+.<
kY. else
/P { Zo printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
2O;Lw@W lpszArgv[1],GetLastError());
Q$u&/g3NvL return 0;
mCah{~ }
O|wu;1pQ //用户输入错误
5P'o+Vwz else if(dwArgc!=5)
q% *-4GP {
Vz_ac
vfk^ printf("\nPSKILL ==>Local and Remote Process Killer"
b|jdYJbol& "\nPower by ey4s"
IsP-[0it "\nhttp://www.ey4s.org 2001/6/23"
J8IdQ:4^l "\n\nUsage:%s <==Killed Local Process"
HmlE Cx "\n %s <==Killed Remote Process\n",
=A[:]),v lpszArgv[0],lpszArgv[0]);
ts|dk% return 1;
`Tw DR6& }
YD>5zV%!D //杀远程机器进程
;r<(n3"F strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
b/;!yOF strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
:buH\LB*P strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
uzG{jc^ KT'Ebb] //将在目标机器上创建的exe文件的路径
gJ;jh7e@ sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
PY.4J4nn| __try
CWKN0HB {
^K[WFi N} //与目标建立IPC连接
vfBIQfH if(!ConnIPC(szTarget,szUser,szPass))
v_=xN^R {
}#'I,?_k printf("\nConnect to %s failed:%d",szTarget,GetLastError());
f0"N return 1;
LelCjC{`1 }
b~$B0o) printf("\nConnect to %s success!",szTarget);
=T7lv%u //在目标机器上创建exe文件
Qg9*mlm` 5@ c/,6l hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
n@1;5)&k~ E,
#WE"nh9f|z NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
8d4:8} if(hFile==INVALID_HANDLE_VALUE)
4sJM!9eb[ {
e8E*Urtz printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
;zq3>A __leave;
fyHFfPEE }
hv.33l //写文件内容
;&iZ{ while(dwSize>dwIndex)
%PF:OB6[| {
ayGYVYi %3SBs*? if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
Lvco9
Ak {
R k'5L printf("\nWrite file %s
F6'[8f failed:%d",RemoteFilePath,GetLastError());
7c.96FA __leave;
VKGH+j[ }
HV0! G-h dwIndex+=dwWrite;
A8|DB@Bi }
X1wlOE //关闭文件句柄
r [NI#wW CloseHandle(hFile);
Ku'OM6D< bFile=TRUE;
Wb)>APL //安装服务
/kZ{+4M if(InstallService(dwArgc,lpszArgv))
+F>9hA {
'J[n}r //等待服务结束
rHSA5.[1P if(WaitServiceStop())
;7/
;4Z {
l( Y
U9dp //printf("\nService was stoped!");
4k7
LM] }
fS@V`"O6 else
/Ko{S_3<I {
H8lh.K //printf("\nService can't be stoped.Try to delete it.");
T{A5,85 }
LA +BH_t& Sleep(500);
'
\8|`Zb //删除服务
n8K FP RemoveService();
S`w_q=-^8 }
9sQ#v-+Yx }
E:7R>.g __finally
mQ$a^28=qR {
EdC^L`:: //删除留下的文件
Jm#mC if(bFile) DeleteFile(RemoteFilePath);
A vh"(j //如果文件句柄没有关闭,关闭之~
&7 0o4~Fr if(hFile!=NULL) CloseHandle(hFile);
~k(4eRq //Close Service handle
'nx";[6( if(hSCService!=NULL) CloseServiceHandle(hSCService);
Q|$?d4La8 //Close the Service Control Manager handle
?=^~(x?S if(hSCManager!=NULL) CloseServiceHandle(hSCManager);
%@q/OVnM //断开ipc连接
31cC* wsprintf(tmp,"\\%s\ipc$",szTarget);
%)t9b@c!} WNetCancelConnection2(tmp,CONNECT_UPDATE_PROFILE,TRUE);
J 7/)XS if(bKilled)
Q$`u=-h| printf("\nProcess %s on %s have been
isF
jJPe killed!\n",lpszArgv[4],lpszArgv[1]);
g %ZKn else
bjq+x:> printf("\nProcess %s on %s can't be
\h{M\bSIEa killed!\n",lpszArgv[4],lpszArgv[1]);
@nNhW }
3oo Tn-`{ return 0;
f+c<