""ET CURRENT_EVENTS Suspicious BITS EXE DL From Dotted Quad""
SID: 2022858
Revision: 4
Class Type: misc-activity
Metadata: created_at 2016_06_03, updated_at 2019_09_19
Reference:
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: $HTTP_PORTS
Flow: to_server,established
Contents:
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Value: "User-Agent|3a 20|Microsoft BITS/"
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Value: ".exe"
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Value: !".gvt1.com/"
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Value: !"download.windowsupdate.com"
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Value: !"download.adobe.com"
Within:
PCRE: "/Host\x3a\x20\d{1,3}.\d{1,3}.\d{1,3}.\d{1,3}(?:\x3a\d{1,5})?\r\n/H"
Special Options:
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http_header
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http_uri
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nocase
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http_uri
-
http_header
-
http_header