SigmaHQ/rules/proxy/proxy_cobalt_amazon.yml
2020-10-15 23:19:39 -03:00

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YAML

title: CobaltStrike Malleable Amazon Browsing Traffic Profile
id: 953b895e-5cc9-454b-b183-7f3db555452e
status: experimental
description: Detects Malleable Amazon Profile
author: Markus Neis
date: 2019/11/12
modified: 2020/09/02
references:
- https://github.com/rsmudge/Malleable-C2-Profiles/blob/master/normal/amazon.profile
- https://www.hybrid-analysis.com/sample/ee5eca8648e45e2fea9dac0d920ef1a1792d8690c41ee7f20343de1927cc88b9?environmentId=100
logsource:
category: proxy
detection:
selection1:
c-useragent: "Mozilla/5.0 (Windows NT 6.1; WOW64; Trident/7.0; rv:11.0) like Gecko"
cs-method: 'GET'
c-uri: '/s/ref=nb_sb_noss_1/167-3294888-0262949/field-keywords=books'
cs-host: 'www.amazon.com'
cs-cookie|endswith: '=csm-hit=s-24KU11BB82RZSYGJ3BDK|1419899012996'
selection2:
c-useragent: "Mozilla/5.0 (Windows NT 6.1; WOW64; Trident/7.0; rv:11.0) like Gecko"
cs-method: 'POST'
c-uri: '/N4215/adj/amzn.us.sr.aps'
cs-host: 'www.amazon.com'
condition: selection1 or selection2
falsepositives:
- Unknown
level: high
tags:
- attack.defense_evasion
- attack.command_and_control
- attack.t1071.001
- attack.t1043 # an old one