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Trouble with block Excel macro enabled files - works randomly

Dear All,

Excel macro enabled files are quarantined by our Sophos E-Mail protection but sometimes it let pass emails with macro enable excel file attached. We made a test with an external source who send an e-mail with two excels files (one is *.xlsm) to 3 users of our company. Two recepients were blocked (quarantined) and one has passed. How it's possible as there's no exception defined in e-mail protection?

Regards,

-Jacob



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  • Hi there,

    Here you've the log where the first recepient of the email receive a "passed" and 2nd and 3rd receive a quarantined.

    2016:06:09-13:19:42 xxxxx-x exim-in[4620]: 2016-06-09 13:19:42 H=mx2.xxxx-xxxxxxxxx.xx (HSPMSG03.hex.local) [xxx.xxx.xxx.xx]:30315 Warning: xxx.xx profile excludes SANDBOX scan
    2016:06:09-13:19:45 xxxxx-x exim-in[4620]: 2016-06-09 13:19:45 1bAxzz-0001CW-1G ctasd reports 'Unknown' RefID:str=0001.0A0C0202.575950D0.015E:SCFSTAT17958010,ss=1,re=-4.000,recu=0.000,reip=0.000,cl=1,cld=1,fgs=0
    2016:06:09-13:19:45 xxxxx-x exim-in[4620]: 2016-06-09 13:19:45 1bAxzz-0001CW-1G Greylisting: xxx.xxx.xx.xx is a known retry host
    2016:06:09-13:19:45 xxxxx-x exim-in[4620]: 2016-06-09 13:19:45 1bAxzz-0001CW-1G <= xxx@xxxx-xxxxxxxxx.xx H=mx2.xxxx-xxxxxxxxx.xx (HSPMSG03.hex.local) [xxx.xxx.xx.xx]:30315 P=esmtps X=TLSv1:AES256-SHA:256 S=524023 id=D3319B0D7B27E449B9263C66C672E0B53440111E@HSPMSG01.hex.local
    2016:06:09-13:19:45 xxxxx-x exim-in[4620]: 2016-06-09 13:19:45 H=mx2.xxxx-xxxxxxxxx.xx (HSPMSG03.hex.local) [xxx.xxx.xx.xx]:30315 Warning: xxx.xx profile excludes SANDBOX scan
    2016:06:09-13:19:46 xxxxx-x exim-in[4620]: 2016-06-09 13:19:46 1bAy01-0001CW-1e ctasd reports 'Unknown' RefID:str=0001.0A0C0202.575950D2.0100:SCFSTAT17958010,ss=1,re=-4.000,recu=0.000,reip=0.000,cl=1,cld=1,fgs=0
    2016:06:09-13:19:46 xxxxx-x exim-in[4620]: 2016-06-09 13:19:46 1bAy01-0001CW-1e Greylisting: xxx.xxx.xx.xx is a known retry host
    2016:06:09-13:19:46 xxxxx-x exim-in[4620]: 2016-06-09 13:19:46 1bAy01-0001CW-1e <= xxx@xxxx-xxxxxxxxx.xx H=mx2.xxxx-xxxxxxxxx.xx (HSPMSG03.hex.local) [xxx.xxx.xx.xx]:30315 P=esmtps X=TLSv1:AES256-SHA:256 S=499934 id=D3319B0D7B27E449B9263C66C672E0B53440111E@HSPMSG01.hex.local
    2016:06:09-13:19:46 xxxxx-x exim-in[4620]: 2016-06-09 13:19:46 SMTP connection from mx2.xxxx-xxxxxxxxx.xx (HSPMSG03.hex.local) [xxx.xxx.xx.xx]:30315 closed by QUIT
    2016:06:09-13:19:46 xxxxx-x smtpd[8737]: QMGR[8737]: 1bAxzz-0001CW-1G moved to work queue
    2016:06:09-13:19:47 xxxxx-x smtpd[8737]: QMGR[8737]: 1bAy01-0001CW-1e moved to work queue
    2016:06:09-13:19:49 xxxxx-x exim-in[8852]: 2016-06-09 13:19:49 SMTP connection from [xx.xxx.xx.xx]:xxxxx (TCP/IP connection count = 1)
    2016:06:09-13:19:49 xxxxx-x exim-in[4653]: 2016-06-09 13:19:49 H=mx002.swissgrid.ch [xx.xxx.xx.xx]:xxxxx Warning: xxx.xx profile excludes SANDBOX scan
    2016:06:09-13:19:50 xxxxx-x smtpd[4656]: SCANNER[4656]: 1bAy06-0001D6-GH <= xxx@xxxx-xxxxxxxxx.xx R=1bAxzz-0001CW-1G P=INPUT S=522014
    2016:06:09-13:19:50 xxxxx-x smtpd[4656]: SCANNER[4656]: id="1000" severity="info" sys="SecureMail" sub="smtp" name="email passed" srcip="xxx.xxx.xx.xx" from="xxx@xxxx-xxxxxxxxx.xx" to="xxxxx.xxxxxx@xxx.xx" subject="TR: RHO_MO_ER Kostenstand der Grossprojekte" queueid="1bAy06-0001D6-GH" size="522014"
    2016:06:09-13:19:50 xxxxx-x smtpd[4656]: SCANNER[4656]: 1bAxzz-0001CW-1G => work R=SCANNER T=SCANNER
    2016:06:09-13:19:50 xxxxx-x smtpd[4656]: SCANNER[4656]: 1bAxzz-0001CW-1G Completed
    2016:06:09-13:19:50 xxxxx-x smtpd[4656]: SCANNER[4656]: 1bAy06-0001D6-Tz <= xxx@xxxx-xxxxxxxxx.xx R=1bAy01-0001CW-1e P=INPUT S=498013
    2016:06:09-13:19:50 xxxxx-x smtpd[4656]: SCANNER[4656]: 1bAy06-0001D6-U3 <= xxx@xxxx-xxxxxxxxx.xx R=1bAy01-0001CW-1e P=INPUT S=498013
    2016:06:09-13:19:51 xxxxx-x smtpd[4656]: SCANNER[4656]: id="1001" severity="info" sys="SecureMail" sub="smtp" name="email quarantined" srcip="xxx.xxx.xx.xx" from="xxx@xxxx-xxxxxxxxx.xx" to="xxxx.xxxxx@xxx.xx" subject="TR: RHO_MO_ER Kostenstand der Grossprojekte" queueid="1bAy06-0001D6-Tz" size="498013" reason="mime" extra="application/vnd.ms-excel.sheet.macroenabled.12"
    2016:06:09-13:19:51 xxxxx-x smtpd[4656]: SCANNER[4656]: id="1001" severity="info" sys="SecureMail" sub="smtp" name="email quarantined" srcip="xxx.xxx.xx.xx" from="xxx@xxxx-xxxxxxxxx.xx" to="xxxxx.xxxxxx@xxx.xx" subject="TR: RHO_MO_ER Kostenstand der Grossprojekte" queueid="1bAy06-0001D6-U3" size="498013" reason="mime" extra="application/vnd.ms-excel.sheet.macroenabled.12"
    2016:06:09-13:19:51 xxxxx-x smtpd[4656]: SCANNER[4656]: 1bAy01-0001CW-1e => work R=SCANNER T=SCANNER
    2016:06:09-13:19:51 xxxxx-x smtpd[4656]: SCANNER[4656]: 1bAy01-0001CW-1e Completed
    2016:06:09-13:19:51 xxxxx-x exim-out[4660]: 2016-06-09 13:19:51 1bAy06-0001D6-GH => xxxxx.xxxxxx@xxx.xx P=<xxx@xxxx-xxxxxxxxx.xx> R=static_route_hostlist T=static_smtp H=xxx.xx.xx.xx [xxx.xx.xx.xx]:25 X=TLSv1.2:ECDHE-RSA-AES256-SHA384:256 C="250 2.6.0 <D3319B0D7B27E449B9263C66C672E0B53440111E@HSPMSG01.hex.local> [InternalId=55765855371298, "
    2016:06:09-13:19:51 xxxxx-x exim-out[4660]: 2016-06-09 13:19:51 1bAy06-0001D6-GH Completed
    2016:06:09-13:19:52 xxxxx-x exim-in[4653]: 2016-06-09 13:19:52 1bAy06-0001D3-0u ctasd reports 'Unknown' RefID:str=0001.0A0C0201.575950D8.0028:SCFSTAT21292544,ss=1,re=-4.000,recu=0.000,reip=0.000,cl=1,cld=1,fgs=0
    2016:06:09-13:19:52 xxxxx-x exim-in[4653]: 2016-06-09 13:19:52 1bAy06-0001D3-0u Greylisti

    Thanks for your help!
    -Jacob

  • Hi, Jacob, and welcome to the UTM Community!

    2016:06:09-13:19:50 xxxxx-x smtpd[4656]: SCANNER[4656]: id="1000" severity="info" sys="SecureMail" sub="smtp" name="email passed" srcip="xxx.xxx.xx.xx" from="xxx@xxxx-xxxxxxxxx.xx" to="xxxxx.xxxxxx@xxx.xx" subject="TR: RHO_MO_ER Kostenstand der Grossprojekte" queueid="1bAy06-0001D6-GH" size="522014"

    2016:06:09-13:19:51 xxxxx-x smtpd[4656]: SCANNER[4656]: id="1001" severity="info" sys="SecureMail" sub="smtp" name="email quarantined" srcip="xxx.xxx.xx.xx" from="xxx@xxxx-xxxxxxxxx.xx" to="xxxxx.xxxxxx@xxx.xx" subject="TR: RHO_MO_ER Kostenstand der Grossprojekte" queueid="1bAy06-0001D6-U3" size="498013" reason="mime" extra="application/vnd.ms-excel.sheet.macroenabled.12"

    This would lead me to check whether there's a mime-type Exception for the first recipient.

    Cheers - Bob

     
    Sophos UTM Community Moderator
    Sophos Certified Architect - UTM
    Sophos Certified Engineer - XG
    Gold Solution Partner since 2005
    MediaSoft, Inc. USA
Reply
  • Hi, Jacob, and welcome to the UTM Community!

    2016:06:09-13:19:50 xxxxx-x smtpd[4656]: SCANNER[4656]: id="1000" severity="info" sys="SecureMail" sub="smtp" name="email passed" srcip="xxx.xxx.xx.xx" from="xxx@xxxx-xxxxxxxxx.xx" to="xxxxx.xxxxxx@xxx.xx" subject="TR: RHO_MO_ER Kostenstand der Grossprojekte" queueid="1bAy06-0001D6-GH" size="522014"

    2016:06:09-13:19:51 xxxxx-x smtpd[4656]: SCANNER[4656]: id="1001" severity="info" sys="SecureMail" sub="smtp" name="email quarantined" srcip="xxx.xxx.xx.xx" from="xxx@xxxx-xxxxxxxxx.xx" to="xxxxx.xxxxxx@xxx.xx" subject="TR: RHO_MO_ER Kostenstand der Grossprojekte" queueid="1bAy06-0001D6-U3" size="498013" reason="mime" extra="application/vnd.ms-excel.sheet.macroenabled.12"

    This would lead me to check whether there's a mime-type Exception for the first recipient.

    Cheers - Bob

     
    Sophos UTM Community Moderator
    Sophos Certified Architect - UTM
    Sophos Certified Engineer - XG
    Gold Solution Partner since 2005
    MediaSoft, Inc. USA
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