HTB - Napper
by peRd1 - Saturday November 11, 2023 at 07:18 PM
#1
Let's go guys and let's do this.

PORT    STATE SERVICE  VERSION
80/tcp  open  http    Microsoft IIS httpd 10.0
|_http-title: Did not follow redirect to https://app.napper.htb
|_http-server-header: Microsoft-IIS/10.0
443/tcp open  ssl/http Microsoft IIS httpd 10.0
|_http-server-header: Microsoft-IIS/10.0
| ssl-cert: Subject: commonName=app.napper.htb/organizationName=MLopsHub/stateOrProvinceName=California/countryName=US
| Subject Alternative Name: DNS:app.napper.htb
| http-methods:
|  Supported Methods: OPTIONS TRACE GET HEAD POST
|_  Potentially risky methods: TRACE
|_http-generator: Hugo 0.112.3
|_http-title: Research Blog | Home
Service Info: OS: Windows; CPE: cpe:/o:microsoft:windows
7680/tcp open  pando-pub? syn-ack ttl 127
Service Info: OS: Windows; CPE: cpe:/o:microsoft:windows
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#2
The cert is issued by
L=San Fransisco,C=US,CN=ca.napper.htb
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#3
/ews/MsExgHealthCheckd/
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#4
you can also find `internal.napper.htb`
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#5
POST /ews/MsExgHealthCheckd/ HTTP/2

Host: napper.htb

User-Agent: curl/8.3.0

Accept: */*

Content-Length: 2350

Content-Type: application/x-www-form-ulrencoded



sdafwe3rwe23=test

you get a code 200
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#6
Yes that seems to be the way, creating the payload towards that. Naplistener malware.
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#7
(Nov 11, 2023, 08:13 PM)Akless Wrote: POST /ews/MsExgHealthCheckd/ HTTP/2

Host: napper.htb

User-Agent: curl/8.3.0

Accept: */*

Content-Length: 2350

Content-Type: application/x-www-form-ulrencoded



sdafwe3rwe23=test

you get a code 200

NAPLISTENER????
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#8
(Nov 11, 2023, 08:17 PM)peRd1 Wrote: Yes that seems to be the way, creating the payload towards that. Naplistener malware.

have you managed to do it?
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#9
(Nov 11, 2023, 08:17 PM)peRd1 Wrote: Yes that seems to be the way, creating the payload towards that. Naplistener malware.

sorry, I hadn't seen this post
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#10
...trying all kinds of payloads, but struggling to get it going. ... http is okay on them, so yeah.
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