HackTool - CobaltStrike Malleable Profile Patterns - Proxy
Detects cobalt strike malleable profiles patterns (URI, User-Agents, Methods).
Sigma rule (View on GitHub)
1title: HackTool - CobaltStrike Malleable Profile Patterns - Proxy
2id: f3f21ce1-cdef-4bfc-8328-ed2e826f5fac
3related:
4 - id: 953b895e-5cc9-454b-b183-7f3db555452e
5 type: obsolete
6 - id: 41b42a36-f62c-4c34-bd40-8cb804a34ad8
7 type: obsolete
8 - id: 37325383-740a-403d-b1a2-b2b4ab7992e7
9 type: obsolete
10 - id: c9b33401-cc6a-4cf6-83bb-57ddcb2407fc
11 type: obsolete
12status: test
13description: Detects cobalt strike malleable profiles patterns (URI, User-Agents, Methods).
14references:
15 - https://github.com/rsmudge/Malleable-C2-Profiles/blob/26323784672913923d20c5a638c6ca79459e8529/normal/amazon.profile
16 - https://www.hybrid-analysis.com/sample/ee5eca8648e45e2fea9dac0d920ef1a1792d8690c41ee7f20343de1927cc88b9?environmentId=100
17 - https://github.com/rsmudge/Malleable-C2-Profiles/blob/26323784672913923d20c5a638c6ca79459e8529/normal/ocsp.profile
18 - https://github.com/yeyintminthuhtut/Malleable-C2-Profiles-Collection/
19 - https://github.com/rsmudge/Malleable-C2-Profiles/blob/26323784672913923d20c5a638c6ca79459e8529/normal/onedrive_getonly.profile
20author: Markus Neis, Florian Roth (Nextron Systems)
21date: 2024-02-15
22tags:
23 - attack.defense-evasion
24 - attack.command-and-control
25 - attack.t1071.001
26logsource:
27 category: proxy
28detection:
29 selection_amazon_1:
30 c-useragent: 'Mozilla/5.0 (Windows NT 6.1; WOW64; Trident/7.0; rv:11.0) like Gecko'
31 cs-method: 'GET'
32 c-uri: '/s/ref=nb_sb_noss_1/167-3294888-0262949/field-keywords=books'
33 cs-host: 'www.amazon.com'
34 cs-cookie|endswith: '=csm-hit=s-24KU11BB82RZSYGJ3BDK|1419899012996'
35 selection_amazon_2:
36 c-useragent: 'Mozilla/5.0 (Windows NT 6.1; WOW64; Trident/7.0; rv:11.0) like Gecko'
37 cs-method: 'POST'
38 c-uri: '/N4215/adj/amzn.us.sr.aps'
39 cs-host: 'www.amazon.com'
40 selection_generic_1:
41 c-useragent:
42 - 'Mozilla/4.0 (compatible; MSIE 6.0;Windows NT 5.1)'
43 - 'Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; WOW64; Trident/4.0; SLCC2; .NET CLR 3.0.30729; .NET4.0C; .NET4.0E )'
44 - 'Mozilla/5.0 (Windows; U; MSIE 7.0; Windows NT 5.2) Java/1.5.0_08'
45 selection_generic_2:
46 c-useragent|endswith: '; MANM; MANM)'
47 selection_oscp:
48 c-uri|contains: '/oscp/'
49 cs-host: 'ocsp.verisign.com'
50 selection_onedrive:
51 cs-method: 'GET'
52 c-uri|endswith: '\?manifest=wac'
53 cs-host: 'onedrive.live.com'
54 filter_main_onedrive:
55 c-uri|startswith: 'http'
56 c-uri|contains: '://onedrive.live.com/'
57 condition: 1 of selection_* and not 1 of filter_main_*
58falsepositives:
59 - Unknown
60level: high
References
Related rules
- Bitsadmin to Uncommon IP Server Address
- Bitsadmin to Uncommon TLD
- ComRAT Network Communication
- HTTP Request With Empty User Agent
- HackTool - Empire UserAgent URI Combo