To get extension ids, do the following:
1. Go to chrome://extensions/
2. Find the extension you want to use for the exploit you're going to do. 
3. Click on the details button.
4. Copy the part in the URL after ?id=

Here is a list of blocker extensions here:

Extension Name	Extension ID
GoGuardian	haldlgldplgnggkjaafhelgiaglafanh
Mobile Guardian (installed)	fgmafhdohjkdhfaacgbgclmfgkgokgmb
Mobile Guardian (setup)	nglbmaiijljohnphofifiodoommladkj
Securly ckecmkbnoanpgplccmnoikfmpcdladkc
Securly	(old) joflmkccibkooplaeoinecjbmdebglab
Securly (old)	iheobagjkfklnlikgihanlhcddjoihkg
Securly Classroom	jfbecfmiegcjddenjhlbhlikcbfmnafd
Blocksi	pgmjaihnmedpcdkjcgigocogcbffgkbn
iBoss	kmffehbidlalibfeklaefnckpidbodff
Fortiguard	igbgpehnbmhgdgjbhkkpedommgmfbeao
Cisco Umbrella	jcdhmojfecjfmbdpchihbeilohgnbdci
NetRef	khfdeghnhlpdfeenmdofgcbilkngngcp
ContentKeeper	jdogphakondfdmcanpapfahkdomaicfa
CK-Authenticator G3	odoanpnonilogofggaohhkdkdgbhdljp
Hapara	kbohafcopfpigkjdimdcdgenlhkmhbnc
Hapara (new ID)	aceopacgaepdcelohobicpffbbejnfac
Smoothwall	jbldkhfglmgeihlcaeliadhipokhocnm
Linewize	ddfbkhpmcdbciejenfcolaaiebnjcbfc
LANSchool	baleiojnjpgeojohhhfbichcodgljmnj
LanSchool Web Helper	honjcnefekfnompampcpmcdadibmjhlk
Lightspeed Filter Agent	adkcpkpghahmbopkjchobieckeoaoeem
Lightspeed Classroom	kkbmdgjggcdajckdlbngdjonpchpaiea
Lightspeed Device Insider Agent	njdniclgegijdcdliklgieicanpmcngj
InterCLASS Filtering Service	jbddgjglgkkneonnineaohdhabjbgopi
IMTLazarus	cgigopjakkeclhggchgnhmpmhghcbnaf
Impero Backdrop	jjpmjccpemllnmgiaojaocgnakpmfgjg
InterSafe GatewayConnection Agent	ecjoghccnjlodjlmkgmnbnkdcbnjgden
LoiLo Web Filters	pabjlbjcgldndnpjnokjakbdofjgnfia
Gopher Buddy	cgbbbjmgdpnifijconhamggjehlamcif
Connect for Chrome - Education	ddfbkhpmcdbciejenfcolaaiebnjcbfc
RM SafetyNet Go kmhjojemanablihnkjnnikokobgahlea
