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。
3l^pY18H' OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
j Hzy1P{? <1>与远程系统建立IPC连接
%(]rc%ry0 <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
9D<HJ( <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
e,BJD>N ? <4>调用函数CreateService在远程系统创建一个服务,服务指向的程序是在<2>中写入的程序killsrv.exe
o]Ki+ U <5>调用函数StartService启动刚才创建的服务,把想杀掉的进程的ID作为参数传递给它
)Ga6O2: <6>服务启动后,killsrv.exe运行,杀掉进程
~RJg.9V <7>清场
YU`{ 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
NplSkv /***********************************************************************
&td#m"wI Module:Killsrv.c
pGFocw Date:2001/4/27
{)y4Qp Author:ey4s
lDpi1]2 Http://www.ey4s.org 71%u|k8| ***********************************************************************/
*"
)[Srbg #include
J]UHq$B #include
GyCpGP|AZ #include "function.c"
.DQ]q o]OG #define ServiceName "PSKILL"
2S;zze7) ?Y9?x,x SERVICE_STATUS_HANDLE ssh;
W@tLT[}CG SERVICE_STATUS ss;
q
mB@kbt /////////////////////////////////////////////////////////////////////////
7Tbk ti; void ServiceStopped(void)
|2# Ro* {
V*aTDU%-. ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
UO wNcY ss.dwCurrentState=SERVICE_STOPPED;
*.RVH<W=8 ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
K"1J1>CHQ ss.dwWin32ExitCode=NO_ERROR;
/p>[$`Aq
ss.dwCheckPoint=0;
@oEDtN ss.dwWaitHint=0;
mm 8O SetServiceStatus(ssh,&ss);
v<wT`hiKW return;
iCS/~[ }
NEk [0 /////////////////////////////////////////////////////////////////////////
|#wz)=mD void ServicePaused(void)
93\,m+- {
>U)O@W) ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
,3j7Y5v ss.dwCurrentState=SERVICE_PAUSED;
3(%,2 ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
H4,yuV ss.dwWin32ExitCode=NO_ERROR;
LPO" K"'w ss.dwCheckPoint=0;
msylb~ ^ ss.dwWaitHint=0;
W}RR_Gu SetServiceStatus(ssh,&ss);
3fPv71NVtt return;
F?B=:8,} }
=Ug_1w void ServiceRunning(void)
U4gwxK {
ZTZE_[ ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
n&]w* (, ss.dwCurrentState=SERVICE_RUNNING;
BXY'%8q _a ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
sYpogFfV ss.dwWin32ExitCode=NO_ERROR;
gL`SZr9 ss.dwCheckPoint=0;
`vw.~OBl ss.dwWaitHint=0;
i"xDQ$0G6 SetServiceStatus(ssh,&ss);
bG)MG0<TT return;
%Qq)=J<H; }
4(82dmKO /////////////////////////////////////////////////////////////////////////
=HHg:" void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
-cgukl4Va {
/3]|B%W9 switch(Opcode)
Ysu/7o4 {
7krA+/Qr( case SERVICE_CONTROL_STOP://停止Service
IJ;*N ServiceStopped();
sLIP|i break;
-e>)yM `i case SERVICE_CONTROL_INTERROGATE:
0
,-b %X SetServiceStatus(ssh,&ss);
Vi WgX. break;
k#xpY!'7 }
`@7tWX0 return;
gN~y6c:N }
\<**SSN //////////////////////////////////////////////////////////////////////////////
|U
$-d^ZJ //杀进程成功设置服务状态为SERVICE_STOPPED
G>QTPXcD //失败设置服务状态为SERVICE_PAUSED
/&7Yi_]r //
+`-a*U94 void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
h>0<@UP {
Ah{pidUx ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
$:!T/*p* if(!ssh)
QE2^.|d{ {
QaR.8/xV ServicePaused();
WmUW
i{ return;
PDng!IQ^ }
Xkom@F~] ServiceRunning();
(}1f]$V Sleep(100);
&Q>'U6"% //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
X>7]g670@ //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
J|S^K kC if(KillPS(atoi(lpszArgv[5])))
:n9~H+! ServiceStopped();
r:4IKuTR else
A'iF'<% ServicePaused();
TZNgtR{q
return;
XS8~jBjx }
I?Fa /////////////////////////////////////////////////////////////////////////////
X@U1Ri void main(DWORD dwArgc,LPTSTR *lpszArgv)
u7Y< ~ {
5l0rw)
SERVICE_TABLE_ENTRY ste[2];
_x6E_i-( ste[0].lpServiceName=ServiceName;
6xh#;+e} ste[0].lpServiceProc=ServiceMain;
ok%!o+nk. ste[1].lpServiceName=NULL;
cu!bg+,zl ste[1].lpServiceProc=NULL;
g4a X StartServiceCtrlDispatcher(ste);
UMQW#$~C{g return;
D*'M^k|1 }
eZ5}O0sfp /////////////////////////////////////////////////////////////////////////////
'.
Hp*9R function.c中有两个函数,一个是提升权限的,一个是提供进程ID,杀进程的。代码如
DN':-PK 下:
KGmc*Jwy /***********************************************************************
I{e^,oc Module:function.c
3H#/u! W Date:2001/4/28
y6jmn1K Author:ey4s
I S8nvx\ Http://www.ey4s.org )-KE 4/G ***********************************************************************/
=z1o}ga=EA #include
0$Y 9>)O ////////////////////////////////////////////////////////////////////////////
f\_!N
"HW BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
K6*UFO4}i {
LiD |4(3 TOKEN_PRIVILEGES tp;
G4%M$LJh LUID luid;
dIa(</ }
i~B@(, if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
X#I`(iHY {
3r:)\E+Q_ printf("\nLookupPrivilegeValue error:%d", GetLastError() );
Am%a4{b return FALSE;
w[7.@ %^[ }
3p
1EScH tp.PrivilegeCount = 1;
A='+tJa tp.Privileges[0].Luid = luid;
^Z4q1i)JO if (bEnablePrivilege)
UoMWn"ZE tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
P,;b'-5C else
4B8S e tp.Privileges[0].Attributes = 0;
@W\4UX3dK // Enable the privilege or disable all privileges.
PBww AdjustTokenPrivileges(
,C,e/>+My hToken,
`I vw`} L FALSE,
^Ii \vk &tp,
?WQd sizeof(TOKEN_PRIVILEGES),
Hl2f`GZ
(PTOKEN_PRIVILEGES) NULL,
UG"6RW @ (PDWORD) NULL);
|;U=YRi // Call GetLastError to determine whether the function succeeded.
|Iok(0V if (GetLastError() != ERROR_SUCCESS)
gUH'DS]{ {
u->@|tEq printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
SeNF!k% Y return FALSE;
;Ma/b= Y }
HEB/\ return TRUE;
Q_]!an( }
|IX` ( ////////////////////////////////////////////////////////////////////////////
N{V5 D BOOL KillPS(DWORD id)
]Z$TzT&@% {
cbu nq" HANDLE hProcess=NULL,hProcessToken=NULL;
VU`z|nBW@ BOOL IsKilled=FALSE,bRet=FALSE;
by|?g8 __try
&ap`}^8pM {
or%gTVZ 8>VI$
if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
przubMt {
KI Plb3oh printf("\nOpen Current Process Token failed:%d",GetLastError());
ZO%fS'n __leave;
UR/qVO? }
vTMP&a'5L //printf("\nOpen Current Process Token ok!");
i{|lsd(+ if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
RQo$iISwy {
Iu-'o __leave;
Wd^lt7(j }
uP(B<NfL:' printf("\nSetPrivilege ok!");
T\2) $ <;z[+6T if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
j(Fa=pi {
d DIQ+/mmg printf("\nOpen Process %d failed:%d",id,GetLastError());
x5fgF; __leave;
4V228>9w }
@~$F;M=.* //printf("\nOpen Process %d ok!",id);
95$pG/o if(!TerminateProcess(hProcess,1))
@Xq&t}*8 {
VBbUl|X\ printf("\nTerminateProcess failed:%d",GetLastError());
h9<mThvgn __leave;
to!mz\F }
^e aRgNz IsKilled=TRUE;
k1f3?l
vlU }
[j:}=:feQ __finally
-SQJH}zCT+ {
MtZt8s if(hProcessToken!=NULL) CloseHandle(hProcessToken);
u}-d7-= if(hProcess!=NULL) CloseHandle(hProcess);
P[rAJJN/E }
Pn'`Q S? return(IsKilled);
#$rf-E5g-K }
eW%L$I //////////////////////////////////////////////////////////////////////////////////////////////
CF3E]dt 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:
j<l#qho{h /*********************************************************************************************
->&BcPLn ModulesKill.c
}.fL$,7a Create:2001/4/28
3AdP^B< Modify:2001/6/23
'^Pq(b~ Author:ey4s
lnC!g Http://www.ey4s.org [<D+pqh PsKill ==>Local and Remote process killer for windows 2k
HCX!P4Hj **************************************************************************/
6-*~t8 #include "ps.h"
&Q'\WA' #define EXE "killsrv.exe"
@DfkGm[% #define ServiceName "PSKILL"
X+`ddX #joF{M{ #pragma comment(lib,"mpr.lib")
y!7B, //////////////////////////////////////////////////////////////////////////
b:fxkQm //定义全局变量
U/.w;DI SERVICE_STATUS ssStatus;
I$aXnd6) SC_HANDLE hSCManager=NULL,hSCService=NULL;
W ;fH&r)d@ BOOL bKilled=FALSE;
/;(<fh<bY char szTarget[52]=;
sTd}cP //////////////////////////////////////////////////////////////////////////
ltNuLZ BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
Jq#[uX BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
.HyjL5r- BOOL WaitServiceStop();//等待服务停止函数
zo_k\K`{@ BOOL RemoveService();//删除服务函数
q$MHCq; /////////////////////////////////////////////////////////////////////////
fzLANya int main(DWORD dwArgc,LPTSTR *lpszArgv)
o{9?:*?7 {
rumAo'T/% BOOL bRet=FALSE,bFile=FALSE;
tegOT]| char tmp[52]=,RemoteFilePath[128]=,
xh{mca>?G szUser[52]=,szPass[52]=;
5+y@ ]5&g HANDLE hFile=NULL;
{udrT"h DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
,"@w>WL<9 |*%/ovg+ //杀本地进程
D4AEZgC F, if(dwArgc==2)
!c\7 {
C}Rs[ if(KillPS(atoi(lpszArgv[1])))
U^B"|lc:[ printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
;rNd701p" else
:L]-'\y printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
M_tj7Q3
W lpszArgv[1],GetLastError());
40 Au9o return 0;
~;}\zKQKE }
+*n]tlk //用户输入错误
$=\d1%_R| else if(dwArgc!=5)
W7%p^;ZQ$ {
O-i4_YdVt printf("\nPSKILL ==>Local and Remote Process Killer"
F\;2i:( "\nPower by ey4s"
!)NYW4" "\nhttp://www.ey4s.org 2001/6/23"
y= 2=DU "\n\nUsage:%s <==Killed Local Process"
k - FB "\n %s <==Killed Remote Process\n",
b([:,T7 lpszArgv[0],lpszArgv[0]);
{":c@I return 1;
S<V-ZV&_:U }
n.@#rBKZ //杀远程机器进程
JK[T]|G strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
NK 8<=
n%" strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
$6 W3EOl strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
HB%K|&!+ xne]Q(B> //将在目标机器上创建的exe文件的路径
miwf&b sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
yXkt:O,i __try
M/*Bh,M` {
Z?-;.G* //与目标建立IPC连接
\e_IFISC if(!ConnIPC(szTarget,szUser,szPass))
-jFP7tEv {
|0lLl^zp printf("\nConnect to %s failed:%d",szTarget,GetLastError());
cxgE\4_u" return 1;
X)8e4~(? }
18jJzYawh printf("\nConnect to %s success!",szTarget);
)5U!>,fT //在目标机器上创建exe文件
jg?bf/$s &i)helXs] hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
3eWJt\}?B E,
KVg[#~3 NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
VXA[TIqp if(hFile==INVALID_HANDLE_VALUE)
E!uJ6\ {
ti}f&w
ICJ printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
7aV$YuL)X~ __leave;
3\1#eK'TK. }
-U7,k\g //写文件内容
7"#f!.E while(dwSize>dwIndex)
-'j7SOGk {
>[EBpYi "$r1$mBi if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
QPX`l0V {
vf[&7n printf("\nWrite file %s
\Yd4gaY\o failed:%d",RemoteFilePath,GetLastError());
pp<E))&R __leave;
g@Ld"5$^2 }
#,TELzUVE dwIndex+=dwWrite;
a#$N% =j }
x7HA722w //关闭文件句柄
5\xr?`VZ CloseHandle(hFile);
(#If1[L bFile=TRUE;
MF^_Z3GS' //安装服务
RtwUb(wn6 if(InstallService(dwArgc,lpszArgv))
Xo\S9,s{ {
*Z; r
B //等待服务结束
<*_o0;h| if(WaitServiceStop())
1 =^ {
fgmSgG"b //printf("\nService was stoped!");
"oe!M'aj`1 }
Q,~x# else
[ZD[a6(94 {
F{\=PCZ>7 //printf("\nService can't be stoped.Try to delete it.");
Q(e{~
]* }
x)_r@l`$ix Sleep(500);
J0sGvj{ //删除服务
N}DL(-SQ3 RemoveService();
Z%OW5]q }
0p `")/ }
}vY.EEy! __finally
gHZqA_*T8U {
\2 >3Opt //删除留下的文件
nE$
f if(bFile) DeleteFile(RemoteFilePath);
zqf[Z3 //如果文件句柄没有关闭,关闭之~
XhN{S]Wn if(hFile!=NULL) CloseHandle(hFile);
m8+:=0|$ //Close Service handle
ceG&,a$\ if(hSCService!=NULL) CloseServiceHandle(hSCService);
F,&