Screenshot showing the phishing email sent to Cyberhaven expansion developers.

Credit history:

Amit Assaraf

A web link in the email led to a Google consent screen asking for access consent for an OAuth application named Privacy Plan Expansion. A Cyberhaven developer granted the consent and, at the same time, unwittingly offered the aggressor the ability to post brand-new versions of Cyberhaven’s Chrome expansion to the Chrome Internet Shop. The assaulter after that used the approval to push out the malicious variation 24 10 4

Screenshot showing the Google authorization request.

Debt:

Amit Assaraf

As word of the assault spread in the very early hours of December 25, developers and scientists uncovered that other extensions were targeted, in many cases effectively, by the very same spear phishing project. John Tuckner, owner of Secure Annex, a web browser expansion analysis and administration company, stated that since Thursday afternoon, he knew of 19 other Chrome extensions that were in a similar way compromised. In every case, the opponent made use of spear phishing to press a new destructive variation and customized, look-alike domains to provide payloads and obtain authentication qualifications. Jointly, the 20 extensions had 1 46 million downloads.

“For lots of I talk to, managing browser extensions can be a lower priority item in their protection program,” Tuckner wrote in an email. “Individuals know they can provide a threat, however hardly ever are teams taking action on them. We’ve often seen in security [that] a couple of cases can trigger a reevaluation of an organization’s protection pose. Occurrences like this typically lead to groups scrambling to find a means to acquire visibility and understanding of effect to their organizations.”

The earliest concession occurred in May 2024 Tuckner provided the adhering to spread sheet:

Name ID Variation Spot Offered Individuals Start End
VPNCity nnpnnpemnckcfdebeekibpiijlicmpom 2.0. 1 INCORRECT 10, 000 12/ 12/ 24 12/ 31/ 24
Parrot Talks kkodiihpgodmdankclfibbiphjkfdenh 1 16 2 TRUE 40, 000 12/ 25/ 24 12/ 31/ 24
Uvoice oaikpkmjciadfpddlpjjdapglcihgdle 1.0. 12 TRUE 40, 000 12/ 26/ 24 12/ 31/ 24
Internxt VPN dpggmcodlahmljkhlmpgpdcffdaoccni 1 1 1 1 2.0 TRUE 10, 000 12/ 25/ 24 12/ 29/ 24
Book Mark Favicon Changer acmfnomgphggonodopogfbmkneepfgnh 4 00 REAL 40, 000 12/ 25/ 24 12/ 31/ 24
Castorus mnhffkhmpnefgklngfmlndmkimimbphc 4 40 4 41 TRUE 50, 000 12/ 26/ 24 12/ 27/ 24
Wayin AI cedgndijpacnfbdggppddacngjfdkaca 0.0. 11 REAL 40, 000 12/ 19/ 24 12/ 31/ 24
Search Copilot AI Aide for Chrome bbdnohkpnbkdkmnkddobeafboooinpla 1.0. 1 TRUE 20, 000 7/ 17/ 24 12/ 31/ 24
VidHelper – Video Downloader egmennebgadmncfjafcemlecimkepcle 2 2 7 TRUE 20, 000 12/ 26/ 24 12/ 31/ 24
AI Aide – ChatGPT and Gemini for Chrome bibjgkidgpfbblifamdlkdlhgihmfohh 0. 1 3 FALSE 4, 000 5/ 31/ 24 10/ 25/ 24
TinaMind – The GPT- 4 o-powered AI Assistant! befflofjcniongenjmbkgkoljhgliihe 2 13.0 2 14.0 REAL 40, 000 12/ 15/ 24 12/ 20/ 24
Bard AI conversation pkgciiiancapdlpcbppfkmeaieppikkk 1 3 7 FALSE 100, 000 9/ 5/ 24 10/ 22/ 24
Viewers Setting llimhhconnjiflfimocjggfjdlmlhblm 1 5 7 INCORRECT 300, 000 12/ 18/ 24 12/ 19/ 24
Primus (prev. PADO) oeiomhmbaapihbilkfkhmlajkeegnjhe 3 18.0 3 20.0 TRUE 40, 000 12/ 18/ 24 12/ 25/ 24
Cyberhaven security extension V 3 pajkjnmeojmbapicmbpliphjmcekeaac 24 10 4 24 10 5 REAL 400, 000 12/ 24/ 24 12/ 26/ 24
GraphQL Network Inspector ndlbedplllcgconngcnfmkadhokfaaln 2 22 6 2 22 7 TRUE 80, 000 12/ 29/ 24 12/ 30/ 24
GPT 4 Recap with OpenAI epdjhgbipjpbbhoccdeipghoihibnfja 1 4 INCORRECT 10, 000 5/ 31/ 24 9/ 29/ 24
Vidnoz Flex – Video clip recorder & & Video share cplhlgabfijoiabgkigdafklbhhdkahj 1.0. 161 FALSE 6, 000 12/ 25/ 24 12/ 29/ 24
YesCaptcha aide jiofmdifioeejeilfkpegipdjiopiekl 1 1 61 REAL 200, 000 12/ 29/ 24 12/ 31/ 24
Proxy SwitchyOmega (V 3 hihblcmlaaademjlakdpicchbjnnnkbo 3.0. 2 TRUE 10, 000 12/ 30/ 24 12/ 31/ 24

But wait, there’s more

Among the endangered extensions is called Reader Setting. Additional evaluation showed it had been compromised not simply in the campaign targeting the other 19 extensions but in a different campaign that began no behind April 2023 Tuckner said the source of the compromise seems a code library designers can utilize to monetize their extensions. The code library collects information about each web visit a browser makes. In exchange for integrating the library right into the expansions, programmers receive a commission from the collection designer.

By Luca

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