alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET USER_AGENTS Downloader User-Agent Detected (ld)"; flow:established,to_server; content:"ld"; http_user_agent; depth:2; isdataat:!1,relative; reference:url,doc.emergingthreats.net/2006394; classtype:trojan-activity; sid:2006394; rev:9; metadata:created_at 2010_07_30, former_category TROJAN, updated_at 2019_10_11;)

Added 2020-08-05 19:04:03 UTC

Please enter documentation, comments, false positives, or concerns with this signature. Press the Attach button below to add samples or Pcaps.

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alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET USER_AGENTS Downloader User-Agent Detected (ld)"; flow:established,to_server; content:"ld"; http_user_agent; depth:2; isdataat:!1,relative; metadata: former_category TROJAN; reference:url,doc.emergingthreats.net/2006394; classtype:trojan-activity; sid:2006394; rev:9; metadata:created_at 2010_07_30, updated_at 2019_10_11;)

Added 2019-10-11 19:56:21 UTC

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alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET USER_AGENTS Downloader User-Agent Detected (ld)"; flow:established,to_server; content:"User-Agent|3a| ld|0d 0a|"; http_header; metadata: former_category TROJAN; reference:url,doc.emergingthreats.net/2006394; classtype:trojan-activity; sid:2006394; rev:8; metadata:created_at 2010_07_30, updated_at 2017_10_30;)

Added 2018-09-13 19:39:12 UTC

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Added 2018-09-13 17:53:29 UTC

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alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET USER_AGENTS Downloader User-Agent Detected (ld)"; flow:established,to_server; content:"User-Agent|3a| ld|0d 0a|"; http_header; metadata: former_category TROJAN; reference:url,doc.emergingthreats.net/2006394; classtype:trojan-activity; sid:2006394; rev:8; metadata:created_at 2010_07_30, updated_at 2017_10_30;)

Added 2017-10-30 18:17:26 UTC

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alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET USER_AGENTS Downloader User-Agent Detected (ld)"; flow:established,to_server; content:"User-Agent|3a| ld|0d 0a|"; http_header; metadata: former_category TROJAN; reference:url,doc.emergingthreats.net/2006394; classtype:trojan-activity; sid:2006394; rev:8; metadata:created_at 2010_07_30, updated_at 2017_10_30;)

Added 2017-10-30 16:39:35 UTC

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alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Downloader User-Agent Detected (ld)"; flow:established,to_server; content:"User-Agent|3a| ld|0d 0a|"; http_header; reference:url,doc.emergingthreats.net/2006394; classtype:trojan-activity; sid:2006394; rev:7; metadata:created_at 2010_07_30, updated_at 2010_07_30;)

Added 2017-08-07 20:59:36 UTC

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alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET TROJAN Downloader User-Agent Detected (ld)"; flow:established,to_server; content:"User-Agent|3a| ld|0d 0a|"; http_header; reference:url,doc.emergingthreats.net/2006394; classtype:trojan-activity; sid:2006394; rev:6;)

Added 2011-10-12 19:20:38 UTC

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alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET TROJAN Downloader User-Agent Detected (ld)"; flow:established,to_server; content:"User-Agent|3a| ld|0d 0a|"; http_header; classtype:trojan-activity; reference:url,doc.emergingthreats.net/2006394; sid:2006394; rev:6;)

Added 2011-09-14 22:34:11 UTC

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alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET TROJAN Downloader User-Agent Detected (ld)"; flow:established,to_server; content:"User-Agent|3a| ld|0d 0a|"; http_header; classtype:trojan-activity; reference:url,doc.emergingthreats.net/2006394; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/VIRUS/TROJAN_Downloader_General; sid:2006394; rev:6;)

Added 2011-02-04 17:25:20 UTC

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alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET TROJAN Downloader User-Agent Detected (ld)"; flow:established,to_server; content:"|0d 0a|User-Agent\: ld|0d 0a|"; classtype:trojan-activity; reference:url,doc.emergingthreats.net/2006394; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/VIRUS/TROJAN_Downloader_General; sid:2006394; rev:4;)

Added 2010-03-08 23:15:50 UTC

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alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET TROJAN Downloader User-Agent Detected (ld)"; flow:established,to_server; content:"|0d 0a|User-Agent\: ld|0d 0a|"; classtype:trojan-activity; reference:url,doc.emergingthreats.net/2006394; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/VIRUS/TROJAN_Downloader_General; sid:2006394; rev:4;)

Added 2010-03-08 23:15:50 UTC

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alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET TROJAN Downloader User-Agent Detected (ld)"; flow:established,to_server; content:"User-Agent\: ld|0d 0a|"; classtype:trojan-activity; reference:url,doc.emergingthreats.net/2006394; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/VIRUS/TROJAN_Downloader_General; sid:2006394; rev:3;)

Added 2009-02-12 18:21:15 UTC

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alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET TROJAN Downloader User-Agent Detected (ld)"; flow:established,to_server; content:"User-Agent\: ld|0d 0a|"; classtype:trojan-activity; reference:url,doc.emergingthreats.net/2006394; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/VIRUS/TROJAN_Downloader_General; sid:2006394; rev:3;)

Added 2009-02-12 18:21:15 UTC

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alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET TROJAN Downloader User-Agent Detected (ld)"; flow:established,to_server; content:"User-Agent\: ld|0d 0a|"; classtype:trojan-activity; sid:2006394; rev:2;)

Added 2008-01-31 10:12:23 UTC

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alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET TROJAN Downloader User-Agent Detected (ld)"; flow:established,to_server; content:"User-Agent\: ld|0d 0a|"; classtype:trojan-activity; sid:2006394; rev:2;)

Added 2008-01-31 10:12:23 UTC

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alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"BLEEDING-EDGE TROJAN Downloader User-Agent Detected (ld)"; flow:established,to_server; content:"User-Agent\: ld|0d 0a|"; classtype:trojan-activity; sid:2006394; rev:1;)

Added 2007-07-14 01:45:42 UTC

From the sandnet analysis

-- ShirkDog? - 31 Jul 2007

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