topic Re: JS/Trojan.iframe virus? in General Topics

JS/Trojan.iframe virus?

schaleg2 — Tue, 04 Dec 2012 18:55:05 GMT

Hello,

I'm seen hits for the JS/Trojan.iframe virus only since last Wednesday or Thursday. Have seen them associated with three different websites. I suspect false positives. Anyone else out there just started seeing these? Was the virus definition modified last week?

Thanks

Eric

Re: JS/Trojan.iframe virus?

schaleg2 — Tue, 04 Dec 2012 18:59:25 GMT

Specifically, it's identifying as JS/Trojan.iframe.esw.

Re: JS/Trojan.iframe virus?

MGoodnow — Tue, 04 Dec 2012 19:05:40 GMT

I have seen some hits on this. Not too many. 7 Unique Attacker IPs in the last 7 days.

Re: JS/Trojan.iframe virus?

schaleg2 — Tue, 04 Dec 2012 22:52:25 GMT

Strange because all mine have started occurring only since the morning of 11/29. But since I'm blocking, one of them is impacting legitimate website access and the site owner doesn't see anything wrong on their side. As far as I can tell, there is no way to create a virus exception for just a single URL.

Re: JS/Trojan.iframe virus?

mikand — Wed, 05 Dec 2012 06:51:38 GMT

Regarding site owner doesnt see anything wrong on their side:

http://seclists.org/fulldisclosure/2012/Nov/94

https://www.securelist.com/en/blog/208193935/New_64_bit_Linux_Rootkit_Doing_iFrame_Injections

CrowdStrike: HTTP iframe Injecting Linux Rootkit

Re: JS/Trojan.iframe virus?

schaleg2 — Wed, 05 Dec 2012 19:25:59 GMT

Thanks. Good information. However, in this case it appears to be false positive triggered by the following (imenu?) code. No longer triggering after removal of this section.

// ---- IM Code + Security [7.4 KB] ----

im_version="10.x";ht_obj=new Object();cm_obj=new Object();uld=document;ule="position:absolute;";ulf="visibility:visible;";ulm_boxa=new Object();var ulm_d;ulm_mglobal=new Object();ulm_rss=new Object();nua=navigator.userAgent;ulm_ie=window.showHelp;ulm_ie7=nua.indexOf("MSIE 7")+1;ulm_mac=nua.indexOf("Mac")+1;ulm_navigator=nua.indexOf("Netscape")+1;ulm_version=parseFloat(navigator.vendorSub);ulm_oldnav=ulm_navigator&&ulm_version<7.1;ulm_oldie=ulm_ie&&nua.indexOf("MSIE 5.0")+1;ulm_iemac=ulm_ie&&ulm_mac;ulm_opera=nua.indexOf("Opera")+1;ulm_safari=nua.indexOf("afari")+1;x42="_";ulm_curs="cursor:hand;";if(!ulm_ie){x42="z";ulm_curs="cursor:pointer;";}ulmpi=window.imenus_add_pointer_image;var x43;for(mi=0;mi<(x1=uld.getElementsByTagName("UL")).length;mi++){if((x2=x1[mi].id)&&x2.indexOf("imenus")+1){dto=new window["imenus_data"+(x2=x2.substring(6))];ulm_boxa.dto=dto;ulm_boxa["dto"+x2]=dto;ulm_d=dto.menu_showhide_delay;if(ulm_ie&&!ulm_ie7&&!ulm_mac&&(b=window.imenus_efix))b(.......

Re: JS/Trojan.iframe virus?

lchildress — Fri, 07 Dec 2012 13:02:00 GMT

I agree with the premise this may be a false positive. It is far too common and started showing up for me on the 30th as well. It is coming from benign sites that get traveled to frequently by our users, yet an enormous amount of effort into located the infection has not been fruitful. We have found exactly nothing.

Re: JS/Trojan.iframe virus?

tfigueroa — Mon, 10 Dec 2012 20:55:12 GMT

I'm seeing the same thing.