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。
I{8fTod OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
E kb9=/ <1>与远程系统建立IPC连接
~H[ <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
_ZM$&6EC <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
.Dn.|A <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
pmm?Fq!s= <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
U} EaV< <6>服务启动后,killsrv.exe运行,杀掉进程
^Eu]i <7>清场
Lu.D,oP 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
CqMm'6;$a} /***********************************************************************
<Fkm7ME] Module:Killsrv.c
"/ N ?$ Date:2001/4/27
R+'$V$g\X Author:ey4s
w! J|KM Http://www.ey4s.org ET]PF ,` ***********************************************************************/
?C('
z7 #include
)
>_xHc ? #include
]V|rOt xb #include "function.c"
?xftr ( #define ServiceName "PSKILL"
EV1x"}D A_ 81m3j`b SERVICE_STATUS_HANDLE ssh;
y v6V1gK SERVICE_STATUS ss;
ws"{Y+L /////////////////////////////////////////////////////////////////////////
Rne#z2Ok void ServiceStopped(void)
D?+\"lI {
XJx$HM&0M ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
$uw[X ss.dwCurrentState=SERVICE_STOPPED;
)e#KL$B)v ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
=fJDFg ss.dwWin32ExitCode=NO_ERROR;
!Zowe*` ss.dwCheckPoint=0;
PUt\^ke ss.dwWaitHint=0;
C$"N)6%q SetServiceStatus(ssh,&ss);
4o+SSS return;
1J`<'{* }
O$Wi=5 /////////////////////////////////////////////////////////////////////////
/ z<7gd~oU void ServicePaused(void)
9q
+I {
@DiXe[kI ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
G.2\Sw ss.dwCurrentState=SERVICE_PAUSED;
pbfIO47ZC ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
f`ro{p ss.dwWin32ExitCode=NO_ERROR;
[I*)H7pt} ss.dwCheckPoint=0;
w %4SNR ss.dwWaitHint=0;
p>4tPI}bf SetServiceStatus(ssh,&ss);
gYeKeW3) return;
*QKxrg }
] !7%) void ServiceRunning(void)
?]*WVjskE {
st-
z>} ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
hv)>HU& ss.dwCurrentState=SERVICE_RUNNING;
k|C~qe3E ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
icO$9c ss.dwWin32ExitCode=NO_ERROR;
{e'P*j ss.dwCheckPoint=0;
~lBb%M ss.dwWaitHint=0;
6Zr_W#SE SetServiceStatus(ssh,&ss);
g=Gd| return;
l ga%U~ }
0 ge"ISK /////////////////////////////////////////////////////////////////////////
[&_7w\m void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
RIhu9W {
JD`IPQb~E switch(Opcode)
Q6Ay$*y=D {
{6*$ yLWK case SERVICE_CONTROL_STOP://停止Service
\,UpFuU\ ServiceStopped();
{Ad4H[]|] break;
g mdJ8$ case SERVICE_CONTROL_INTERROGATE:
pUcN-WA SetServiceStatus(ssh,&ss);
_Y{8FN(4 break;
mu#IF'|b }
|`T$Iq return;
1c5+XCr }
ae%Bl[ //////////////////////////////////////////////////////////////////////////////
u+5&^"72, //杀进程成功设置服务状态为SERVICE_STOPPED
?;GbK2\bj //失败设置服务状态为SERVICE_PAUSED
YC!IIE_ //
x;^DlyyYU void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
_GhP{C$ {
`w&A;fR!H ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
<{ER#}b:O if(!ssh)
lEZODc+%Y {
PO*;V<^ ServicePaused();
k.."_4 return;
@AB}r1E2 }
CpE LLA< ServiceRunning();
M]Kxg; Sleep(100);
tPp9=e2[s //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
I cJy$+ //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
;[qA?<GJ if(KillPS(atoi(lpszArgv[5])))
<?2g\+{s9 ServiceStopped();
v}cTS@0 else
_p^?_ ServicePaused();
p*NKM}
]I return;
MG}rvzn@ }
}1xD*[W
/////////////////////////////////////////////////////////////////////////////
Cs!z3QU void main(DWORD dwArgc,LPTSTR *lpszArgv)
009[`Z {
XRl!~Y| SERVICE_TABLE_ENTRY ste[2];
9QXBz=Fnf ste[0].lpServiceName=ServiceName;
0hNgr' ste[0].lpServiceProc=ServiceMain;
T'ko =k ste[1].lpServiceName=NULL;
gLDO|ADni ste[1].lpServiceProc=NULL;
]>9[}'u StartServiceCtrlDispatcher(ste);
;s$,}O. return;
s![Di }
(DIMt-wz /////////////////////////////////////////////////////////////////////////////
nF5\iV 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
HZawB25{ 下:
+=Y[RCXT /***********************************************************************
lcX'n8/3 Module:function.c
Qi= pP/Y Date:2001/4/28
"W b>y*S Author:ey4s
@<TC+M5! Http://www.ey4s.org M?S&@\}c ***********************************************************************/
im-XP@< #include
Z[ 53cVT^ ////////////////////////////////////////////////////////////////////////////
n8+_Uww BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
/;X+<Wj {
,q K'! TOKEN_PRIVILEGES tp;
On~w` LUID luid;
c{"qrwLA 5y~Srb?2 if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
I^GZ9@UE {
Fa0NHX2: printf("\nLookupPrivilegeValue error:%d", GetLastError() );
17E,Qnf return FALSE;
,
3&DA }
Q)/oU\ tp.PrivilegeCount = 1;
S'_2o?fs tp.Privileges[0].Luid = luid;
TpGnSD if (bEnablePrivilege)
C JYpgSr tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
WHy
r;m3) else
V[;^{,; tp.Privileges[0].Attributes = 0;
W^,(we // Enable the privilege or disable all privileges.
9dO. ,U*` AdjustTokenPrivileges(
7~qyz]KkE hToken,
Xk(p:^ R FALSE,
YlC$L$%Zd. &tp,
:^En\YcU sizeof(TOKEN_PRIVILEGES),
X()yhe_ (PTOKEN_PRIVILEGES) NULL,
?:Sqh1-z (PDWORD) NULL);
[BTOs4f // Call GetLastError to determine whether the function succeeded.
3P *[!KI if (GetLastError() != ERROR_SUCCESS)
D~zk2 {
gQYs, printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
/tG[pg{[ return FALSE;
` yYYyB[ }
gSk0#Jt return TRUE;
~f6Q }
[gIvB<Uv ////////////////////////////////////////////////////////////////////////////
<{cf'"O7 ) BOOL KillPS(DWORD id)
nu `R(2/ {
xU F5
HANDLE hProcess=NULL,hProcessToken=NULL;
ZA7b;{o [ BOOL IsKilled=FALSE,bRet=FALSE;
fyF8RTm{ __try
{nj`> {
<u}[_ E#~J"9k98 if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
Ly-}HW ( {
_Wtwh0[r* printf("\nOpen Current Process Token failed:%d",GetLastError());
V4ybrUWK __leave;
or`D-x)+@ }
LlcH#L$ //printf("\nOpen Current Process Token ok!");
Gm[XnUR7V if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
C/!7E: {
?s@=DDB\u __leave;
blKF78 }
+F92_a4 printf("\nSetPrivilege ok!");
n
>@Qx$- Ys>Z=Eky if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
7n[0)XR> {
lNo]]a+_ printf("\nOpen Process %d failed:%d",id,GetLastError());
x"P@[T __leave;
Sg<
B+u\\ }
*o=[p2d"X //printf("\nOpen Process %d ok!",id);
&9EcgazV if(!TerminateProcess(hProcess,1))
]Jnrs {
W+i&!' printf("\nTerminateProcess failed:%d",GetLastError());
W.c>("gC __leave;
48)D%867.; }
gLwrYG7@ IsKilled=TRUE;
.1:B\R(( }
@5h(bLEP __finally
;TL>{"z`x {
CsJ&,(s( if(hProcessToken!=NULL) CloseHandle(hProcessToken);
EvptGM if(hProcess!=NULL) CloseHandle(hProcess);
:j`4nXm }
kA/yL]m^S return(IsKilled);
:{ Lihe~\ }
^g=j`f[T //////////////////////////////////////////////////////////////////////////////////////////////
6eQa@[.Q OK!服务端的程序已经好了。接下来还需要一个客户端。如果通过在客户端运行的时候,把killsrv.exe COPY到远程系统上,那么就需要提供两个exe文件给用户,这样显得不是很专业,呵呵。不如我们就把killsrv.exe的二进制码作为buff保存在客户端吧,这样在运行的时候,我们直接把buff中的内容写过去,这样提供给用户一个exe文件就可以了。Pskill.c的源代码如下:
!l$k6,WJi /*********************************************************************************************
<C_FRpR<f ModulesKill.c
q4SEvP}fLx Create:2001/4/28
LaYd7Oyf] Modify:2001/6/23
^|(VI0KO Author:ey4s
ZKJhmk Http://www.ey4s.org u =lsH PsKill ==>Local and Remote process killer for windows 2k
YJ}9VY<}1K **************************************************************************/
t8ORfO+ #include "ps.h"
Prrz> #define EXE "killsrv.exe"
_ZE&W #define ServiceName "PSKILL"
;!B,P-Z"g bb}Fu/S #pragma comment(lib,"mpr.lib")
_2WW0 //////////////////////////////////////////////////////////////////////////
A$n: //定义全局变量
<m> m"|G SERVICE_STATUS ssStatus;
5nXmaj SC_HANDLE hSCManager=NULL,hSCService=NULL;
\.]C`ocD BOOL bKilled=FALSE;
h\4enu9[RL char szTarget[52]=;
8M,$|\U //////////////////////////////////////////////////////////////////////////
%?BygG BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
|#sY(1 BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
JvF0s}#4 BOOL WaitServiceStop();//等待服务停止函数
S;tvt/\!Z BOOL RemoveService();//删除服务函数
_FkH;MG WS /////////////////////////////////////////////////////////////////////////
IM_SZs int main(DWORD dwArgc,LPTSTR *lpszArgv)
M%OUkcWCk {
ZyV^d3F@$ BOOL bRet=FALSE,bFile=FALSE;
Y/f8rN char tmp[52]=,RemoteFilePath[128]=,
Z fd `Fu szUser[52]=,szPass[52]=;
v,Z?pYYo HANDLE hFile=NULL;
)3ZkKv;zY DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
a28`)17z [&)*jc16 //杀本地进程
@+sYwlA~ if(dwArgc==2)
8{ )N%r {
;P^}2i[q>[ if(KillPS(atoi(lpszArgv[1])))
-YS9u[
printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
:464~tHI[` else
y
m?uj4I{ printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
6('CB|ga lpszArgv[1],GetLastError());
h*?]A return 0;
~&D5RfK5f }
i^)JxEPr w //用户输入错误
x,c\q$8yH else if(dwArgc!=5)
,"5xKF+cS {
cRWYS[O?- printf("\nPSKILL ==>Local and Remote Process Killer"
s0'6r$xj "\nPower by ey4s"
SP4(yJy& "\nhttp://www.ey4s.org 2001/6/23"
P&Wf.qr{: "\n\nUsage:%s <==Killed Local Process"
J
IE0O` "\n %s <==Killed Remote Process\n",
'jYKfq~_cJ lpszArgv[0],lpszArgv[0]);
nq\~`vH|Gd return 1;
rxOvYF }
vBV_aB1{ //杀远程机器进程
Ah;`0Hz; strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
X.AE>fx*h strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
hLaQ[9 strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
F#z1 sl' \^dYmU //将在目标机器上创建的exe文件的路径
m,Mg sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
2^)_XVX1 __try
-kb;h F}. {
rnC<(f22 //与目标建立IPC连接
C|RC9b if(!ConnIPC(szTarget,szUser,szPass))
cXNR<` {
2>)::9e4 printf("\nConnect to %s failed:%d",szTarget,GetLastError());
!gi3J @ return 1;
Ki(0s }
8Rnq
&8A printf("\nConnect to %s success!",szTarget);
QEP|%$:i
//在目标机器上创建exe文件
Kc`#~-`,( k)agbx hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
C#.27ah E,
of>H&G)@ NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
A`V:r2hnb if(hFile==INVALID_HANDLE_VALUE)
~n%]u! 6 {
Q
822 # printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
4{%-r[C9k __leave;
#KDN }
tdNAR| //写文件内容
{m"I-VF while(dwSize>dwIndex)
w}?,N {
< fYcON fz rH}^ if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
:MGIp%3 {
=/19 -Y: printf("\nWrite file %s
}ok'd=M failed:%d",RemoteFilePath,GetLastError());
[jTZxH< __leave;
)Mh5q&ow }
gH0Rd
WX dwIndex+=dwWrite;
_8wT4|z5 }
.K+5k`kd //关闭文件句柄
*rC%nmJwk! CloseHandle(hFile);
rfOrh^ bFile=TRUE;
yJ!,>OQ%' //安装服务
<o@__l. if(InstallService(dwArgc,lpszArgv))
8O0]hz {
NZ-57Ji //等待服务结束
h_B
nQZ\ if(WaitServiceStop())
Efu/v< {
|9mGX9q //printf("\nService was stoped!");
C^!~WFy }
;W3c|5CE else
6\x/Z=}L {
oP:/% //printf("\nService can't be stoped.Try to delete it.");
Lt{&v^y }
uf`/-jY Sleep(500);
ki8Jl}dr //删除服务
/p)y!5e RemoveService();
Hqb-)8 ~ }
B]PG }
VVc-Dx __finally
,P X7}//X^ {
uC?/p1 //删除留下的文件
j^ttTq|l if(bFile) DeleteFile(RemoteFilePath);
hn e}G._b //如果文件句柄没有关闭,关闭之~
~'LoIv20j) if(hFile!=NULL) CloseHandle(hFile);
l>pnY%(A //Close Service handle
M aP - if(hSCService!=NULL) CloseServiceHandle(hSCService);
4TcW% //Close the Service Control Manager handle
tw<}7l_>Au if(hSCManager!=NULL) CloseServiceHandle(hSCManager);
Q.SqOHeJ //断开ipc连接
UbP$WIrq wsprintf(tmp,"\\%s\ipc$",szTarget);
;e Mb$px WNetCancelConnection2(tmp,CONNECT_UPDATE_PROFILE,TRUE);
9)'wgI# if(bKilled)
/Tp>aW%}" printf("\nProcess %s on %s have been
QLZ%m $Z killed!\n",lpszArgv[4],lpszArgv[1]);
N._^\FRyn else
(n2=.9k! printf("\nProcess %s on %s can't be
[L?WM>]% killed!\n",lpszArgv[4],lpszArgv[1]);
}LX.gm }
ki]i[cdk return 0;
A{gniYqvB` }
,DCrhk //////////////////////////////////////////////////////////////////////////
Olr'n% } BOOL ConnIPC(char *RemoteName,char *User,char *Pass)
KXcE@q9 {
!{XVaQ?x NETRESOURCE nr;
Cil1wFBb char RN[50]="\\";
F#|mN0op 6g"qwWZp strcat(RN,RemoteName);
6W)#FO` strcat(RN,"\ipc$");
#ihHAiy3 E\VKlu4 nr.dwType=RESOURCETYPE_ANY;
`12Y2W 9 nr.lpLocalName=NULL;
]GzfU'fOn| nr.lpRemoteName=RN;
>x${I`2w nr.lpProvider=NULL;
#$JY&!M _p%@x:\ if(WNetAddConnection2(&nr,Pass,User,FALSE)==NO_ERROR)
t#7owY$^ return TRUE;
~\Udl else
mnM$#%q;% return FALSE;
=Ct$!uun }
V.w!]{xm /////////////////////////////////////////////////////////////////////////
|L6 +e* BOOL InstallService(DWORD dwArgc,LPTSTR *lpszArgv)
VpB+|%@p {
*4g:V;L BOOL bRet=FALSE;
@Cl1G __try
$wqi^q*) {
m[A$Sp_"-h //Open Service Control Manager on Local or Remote machine
,sn
9&E hSCManager=OpenSCManager(szTarget,NULL,SC_MANAGER_ALL_ACCESS);
ZV`o:Gd if(hSCManager==NULL)
{?]&