[5] In 1935, Bodnăraș returned illegally to Romania to carry out special missions entrusted by the Main Intelligence Directorate (GRU) - Soviet foreign military-intelligence agency.

He paid 8,000 lei to the security commissioner who issued the documents, to convince him to go over the detail of the Soviet citizenship, which - according to the law - led to the placement in the camp.

The rest of the money he used to organize - for two years - a lime, cement, and tile business, based in Galați, which allowed him to trip freely through the country, although he was supervised by the Intelligence Service.

There, the maneuvers for the annihilation of the RCP's secretariat led by Ștefan Foriș, were drafted; also, the alliance plans were made to create a national front and the decision on Dej's escape was adopted.

[7] In 1944, Bodnăraș (together with Iosif Rangheț and Constantin Pîrvulescu) was a key participant in the political elimination and physical isolation of Ștefan Foriș, the General Secretary of the Party.

He organized underground paramilitary units[9] and coordinated the weakening of a segment of the Moldavian front called "Poarta Iașiului" against the Soviet offensive of August 1944.

[11] His enormous influence was due to permanent direct contact with the Soviet secret services (he was reporting on each of the Romanian Communist Party leaders, as revealed later on in the case of Ana Pauker).

In November, together with Gheorghiu-Dej, he headed up the Romanian delegation visiting Hungary, which held discussions with János Kádár about the support of the suppression of the Hungarian revolution.

[9][19] According to Khrushchev's memoirs, Bodnăraș proposed the withdrawal of the troops at a time which was not in consideration of by the Soviet leaders, while they were expected to stay until the end of the Cold War.

[21] Bodnăraș transferred his loyalty to Ceaușescu,[22] receiving in exchange the position of vice president of the State Council, and he remained a member of the Communist élite until his death.