ET HUNTING Possible Malicious Document Request to Afraid.org Top 100 Dynamic DNS Domain
Sourceet/open
CreatedJuly 14, 2020
UpdatedJuly 14, 2020
Classificationmisc-activity
alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET HUNTING Possible Malicious Document Request to Afraid.org Top 100 Dynamic DNS Domain"; flow:to_server,established; http.user_agent; content:"Microsoft Office Protocol Discovery"; depth:35; endswith; http.host; pcre:"/\.(?:s(?:tr(?:eetdirectory\.co\.id|angled\.net)|(?:at(?:dv\.net|-dv)|vlen)\.ru(?:pacetechnology\.ne|oon\.i)t|hop\.tm|uka\.se)|c(?:(?:hickenkiller|rabdance)\.com|o(?:ntinent\.kz|alnet\.ru)|sproject\.org|c\.st|f\.gs)|m(?:i(?:ne(?:craftn(?:ation\.net|oob\.com)|\.bz)|l\.nf)|ooo\.(?:info|com)|adhacker\.biz)|t(?:h(?:emafia\.info|cgirls\.com)|wilightparadox\.com|ime4film\.ru|ruecsi\.org|28\.net)|a(?:(?:(?:vangardkennel|gropeople)\.r|buser\.e)u|ntongorbunov\.com|llowed\.org|x\.lt)|h(?:a(?:ck(?:quest\.com|ed\.jp)|ppyforever\.com)|ome(?:net\.or|\.k)g|-o-s-t\.name)|p(?:(?:rivatedns|sybnc|ort0|wnz)\.org|(?:hoto-frame|irat3)\.com|unked\.us)|i(?:n(?:fo\.(?:gf|tm)|c\.gs)|gnorelist\.com|iiii\.info|z\.rs)|b(?:i(?:gbox\.info|z\.tm)|yte4byte\.com|ot\.nu|rb\.dj)|d(?:earabba\.org|-n-s\.name|alnet\.ca|ynet\.com)|(?:w(?:ith-linux|hynotad)|3dxtras|ohbah)\.com|u(?:n(?:do\.it|i\.cx)|k\.(?:is|to)|s\.to)|v(?:(?:erymad\.ne|r\.l)t|ietnam\.ro)|r(?:o(?:ot\.sx|\.lt)|-o-o-t\.net)|n(?:eon\.org|ow\.im|a\.tl|x\.tc)|j(?:umpingcrab\.com|avafaq\.nu)|f(?:(?:art|ram)ed\.net|tp\.sh)|(?:k(?:ir22\.r|\.v)|69\.m)u|l(?:inux[dx]\.org|eet\.la)|e(?:vils\.in|z\.lv)|(?:24-7\.r|qc\.t)o|(?:55|gw)\.lt|1337\.cx)(?:\x3a\d{1,5})?$/"; classtype:misc-activity; sid:2030509; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_07_14, deployment Perimeter, confidence Medium, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_07_14;)
Metadata
affected productWindows_XP_Vista_7_8_10_Server_32_64_Bit
attack targetClient_Endpoint
created at2020_07_14
deploymentPerimeter
confidenceMedium
signature severityInformational
tagDescription_Generated_By_Proofpoint_Nexus
updated at2020_07_14
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